--- /dev/null
+#include <stdio.h>
+#include <threads.h>
+#include <stdatomic.h>
+
+#include <spec_lib.h>
+#include <stdlib.h>
+#include <cdsannotate.h>
+#include <specannotation.h>
+#include <model_memory.h>
+#include "common.h"
+
+#include "librace.h"
+
+#define RW_LOCK_BIAS 0x00100000
+#define WRITE_LOCK_CMP RW_LOCK_BIAS
+
+typedef union {
+ atomic_int lock;
+} rwlock_t;
+
+
+
+
+
+
+
+/* All other user-defined structs */
+static bool writer_lock_acquired;
+static int reader_lock_cnt;
+/* All other user-defined functions */
+/* Definition of interface info struct: Write_Trylock */
+typedef struct Write_Trylock_info {
+int __RET__;
+rwlock_t * rw;
+} Write_Trylock_info;
+/* End of info struct definition: Write_Trylock */
+
+/* ID function of interface: Write_Trylock */
+inline static call_id_t Write_Trylock_id(void *info, thread_id_t __TID__) {
+ Write_Trylock_info* theInfo = (Write_Trylock_info*)info;
+ int __RET__ = theInfo->__RET__;
+ rwlock_t * rw = theInfo->rw;
+
+ call_id_t __ID__ = 0;
+ return __ID__;
+}
+/* End of ID function: Write_Trylock */
+
+/* Check action function of interface: Write_Trylock */
+inline static bool Write_Trylock_check_action(void *info, call_id_t __ID__, thread_id_t __TID__) {
+ bool check_passed;
+ Write_Trylock_info* theInfo = (Write_Trylock_info*)info;
+ int __RET__ = theInfo->__RET__;
+ rwlock_t * rw = theInfo->rw;
+
+ if ( __RET__ == 1 ) writer_lock_acquired = true ;
+ return true;
+}
+/* End of check action function: Write_Trylock */
+
+/* Definition of interface info struct: Read_Trylock */
+typedef struct Read_Trylock_info {
+int __RET__;
+rwlock_t * rw;
+} Read_Trylock_info;
+/* End of info struct definition: Read_Trylock */
+
+/* ID function of interface: Read_Trylock */
+inline static call_id_t Read_Trylock_id(void *info, thread_id_t __TID__) {
+ Read_Trylock_info* theInfo = (Read_Trylock_info*)info;
+ int __RET__ = theInfo->__RET__;
+ rwlock_t * rw = theInfo->rw;
+
+ call_id_t __ID__ = 0;
+ return __ID__;
+}
+/* End of ID function: Read_Trylock */
+
+/* Check action function of interface: Read_Trylock */
+inline static bool Read_Trylock_check_action(void *info, call_id_t __ID__, thread_id_t __TID__) {
+ bool check_passed;
+ Read_Trylock_info* theInfo = (Read_Trylock_info*)info;
+ int __RET__ = theInfo->__RET__;
+ rwlock_t * rw = theInfo->rw;
+
+ if ( __RET__ ) reader_lock_cnt ++ ;
+ check_passed = __RET__ == ! writer_lock_acquired || ! __RET__;
+ if (!check_passed)
+ return false;
+ return true;
+}
+/* End of check action function: Read_Trylock */
+
+/* Definition of interface info struct: Write_Lock */
+typedef struct Write_Lock_info {
+rwlock_t * rw;
+} Write_Lock_info;
+/* End of info struct definition: Write_Lock */
+
+/* ID function of interface: Write_Lock */
+inline static call_id_t Write_Lock_id(void *info, thread_id_t __TID__) {
+ Write_Lock_info* theInfo = (Write_Lock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ call_id_t __ID__ = 0;
+ return __ID__;
+}
+/* End of ID function: Write_Lock */
+
+/* Check action function of interface: Write_Lock */
+inline static bool Write_Lock_check_action(void *info, call_id_t __ID__, thread_id_t __TID__) {
+ bool check_passed;
+ Write_Lock_info* theInfo = (Write_Lock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ check_passed = ! writer_lock_acquired && reader_lock_cnt == 0;
+ if (!check_passed)
+ return false;
+ writer_lock_acquired = true ;
+ return true;
+}
+/* End of check action function: Write_Lock */
+
+/* Definition of interface info struct: Write_Unlock */
+typedef struct Write_Unlock_info {
+rwlock_t * rw;
+} Write_Unlock_info;
+/* End of info struct definition: Write_Unlock */
+
+/* ID function of interface: Write_Unlock */
+inline static call_id_t Write_Unlock_id(void *info, thread_id_t __TID__) {
+ Write_Unlock_info* theInfo = (Write_Unlock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ call_id_t __ID__ = 0;
+ return __ID__;
+}
+/* End of ID function: Write_Unlock */
+
+/* Check action function of interface: Write_Unlock */
+inline static bool Write_Unlock_check_action(void *info, call_id_t __ID__, thread_id_t __TID__) {
+ bool check_passed;
+ Write_Unlock_info* theInfo = (Write_Unlock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ check_passed = reader_lock_cnt == 0 && writer_lock_acquired;
+ if (!check_passed)
+ return false;
+ writer_lock_acquired = false ;
+ return true;
+}
+/* End of check action function: Write_Unlock */
+
+/* Definition of interface info struct: Read_Unlock */
+typedef struct Read_Unlock_info {
+rwlock_t * rw;
+} Read_Unlock_info;
+/* End of info struct definition: Read_Unlock */
+
+/* ID function of interface: Read_Unlock */
+inline static call_id_t Read_Unlock_id(void *info, thread_id_t __TID__) {
+ Read_Unlock_info* theInfo = (Read_Unlock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ call_id_t __ID__ = 0;
+ return __ID__;
+}
+/* End of ID function: Read_Unlock */
+
+/* Check action function of interface: Read_Unlock */
+inline static bool Read_Unlock_check_action(void *info, call_id_t __ID__, thread_id_t __TID__) {
+ bool check_passed;
+ Read_Unlock_info* theInfo = (Read_Unlock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ check_passed = reader_lock_cnt > 0 && ! writer_lock_acquired;
+ if (!check_passed)
+ return false;
+ reader_lock_cnt -- ;
+ return true;
+}
+/* End of check action function: Read_Unlock */
+
+/* Definition of interface info struct: Read_Lock */
+typedef struct Read_Lock_info {
+rwlock_t * rw;
+} Read_Lock_info;
+/* End of info struct definition: Read_Lock */
+
+/* ID function of interface: Read_Lock */
+inline static call_id_t Read_Lock_id(void *info, thread_id_t __TID__) {
+ Read_Lock_info* theInfo = (Read_Lock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ call_id_t __ID__ = 0;
+ return __ID__;
+}
+/* End of ID function: Read_Lock */
+
+/* Check action function of interface: Read_Lock */
+inline static bool Read_Lock_check_action(void *info, call_id_t __ID__, thread_id_t __TID__) {
+ bool check_passed;
+ Read_Lock_info* theInfo = (Read_Lock_info*)info;
+ rwlock_t * rw = theInfo->rw;
+
+ check_passed = ! writer_lock_acquired;
+ if (!check_passed)
+ return false;
+ reader_lock_cnt ++ ;
+ return true;
+}
+/* End of check action function: Read_Lock */
+
+#define INTERFACE_SIZE 6
+static void** func_ptr_table;
+static hb_rule** hb_rule_table;
+static commutativity_rule** commutativity_rule_table;
+inline static bool CommutativityCondition0(void *info1, void *info2) {
+ Read_Lock_info *_info1 = (Read_Lock_info*) info1;
+ Read_Lock_info *_info2 = (Read_Lock_info*) info2;
+ return true;
+}
+inline static bool CommutativityCondition1(void *info1, void *info2) {
+ Read_Lock_info *_info1 = (Read_Lock_info*) info1;
+ Read_Unlock_info *_info2 = (Read_Unlock_info*) info2;
+ return true;
+}
+inline static bool CommutativityCondition2(void *info1, void *info2) {
+ Read_Lock_info *_info1 = (Read_Lock_info*) info1;
+ Read_Trylock_info *_info2 = (Read_Trylock_info*) info2;
+ return true;
+}
+inline static bool CommutativityCondition3(void *info1, void *info2) {
+ Read_Lock_info *_info1 = (Read_Lock_info*) info1;
+ Write_Trylock_info *_info2 = (Write_Trylock_info*) info2;
+ return ! _info2-> __RET__;
+}
+inline static bool CommutativityCondition4(void *info1, void *info2) {
+ Read_Unlock_info *_info1 = (Read_Unlock_info*) info1;
+ Read_Unlock_info *_info2 = (Read_Unlock_info*) info2;
+ return true;
+}
+inline static bool CommutativityCondition5(void *info1, void *info2) {
+ Read_Unlock_info *_info1 = (Read_Unlock_info*) info1;
+ Read_Trylock_info *_info2 = (Read_Trylock_info*) info2;
+ return true;
+}
+inline static bool CommutativityCondition6(void *info1, void *info2) {
+ Read_Unlock_info *_info1 = (Read_Unlock_info*) info1;
+ Write_Trylock_info *_info2 = (Write_Trylock_info*) info2;
+ return ! _info2-> __RET__;
+}
+inline static bool CommutativityCondition7(void *info1, void *info2) {
+ Read_Trylock_info *_info1 = (Read_Trylock_info*) info1;
+ Read_Trylock_info *_info2 = (Read_Trylock_info*) info2;
+ return true;
+}
+inline static bool CommutativityCondition8(void *info1, void *info2) {
+ Read_Trylock_info *_info1 = (Read_Trylock_info*) info1;
+ Write_Trylock_info *_info2 = (Write_Trylock_info*) info2;
+ return ! _info1-> __RET__ || ! _info2-> __RET__;
+}
+inline static bool CommutativityCondition9(void *info1, void *info2) {
+ Read_Trylock_info *_info1 = (Read_Trylock_info*) info1;
+ Write_Lock_info *_info2 = (Write_Lock_info*) info2;
+ return ! _info1-> __RET__;
+}
+inline static bool CommutativityCondition10(void *info1, void *info2) {
+ Read_Trylock_info *_info1 = (Read_Trylock_info*) info1;
+ Write_Unlock_info *_info2 = (Write_Unlock_info*) info2;
+ return ! _info1-> __RET__;
+}
+inline static bool CommutativityCondition11(void *info1, void *info2) {
+ Write_Trylock_info *_info1 = (Write_Trylock_info*) info1;
+ Write_Trylock_info *_info2 = (Write_Trylock_info*) info2;
+ return ! _info1-> __RET__ || ! _info2-> __RET__;
+}
+inline static bool CommutativityCondition12(void *info1, void *info2) {
+ Write_Trylock_info *_info1 = (Write_Trylock_info*) info1;
+ Write_Unlock_info *_info2 = (Write_Unlock_info*) info2;
+ return ! _info1-> __RET__;
+}
+inline static bool CommutativityCondition13(void *info1, void *info2) {
+ Write_Trylock_info *_info1 = (Write_Trylock_info*) info1;
+ Write_Lock_info *_info2 = (Write_Lock_info*) info2;
+ return ! _info1-> __RET__;
+}
+
+/* Initialization of sequential varialbes */
+static void __SPEC_INIT__() {
+ writer_lock_acquired = false ;
+ reader_lock_cnt = 0 ;
+}
+
+/* Cleanup routine of sequential variables */
+static bool __SPEC_CLEANUP__() {
+ return true;
+}
+
+/* Define function for sequential code initialization */
+inline static void __sequential_init() {
+ /* Init func_ptr_table */
+ func_ptr_table = (void**) malloc(sizeof(void*) * 6 * 2);
+ func_ptr_table[2 * 3] = (void*) &Write_Trylock_id;
+ func_ptr_table[2 * 3 + 1] = (void*) &Write_Trylock_check_action;
+ func_ptr_table[2 * 2] = (void*) &Read_Trylock_id;
+ func_ptr_table[2 * 2 + 1] = (void*) &Read_Trylock_check_action;
+ func_ptr_table[2 * 1] = (void*) &Write_Lock_id;
+ func_ptr_table[2 * 1 + 1] = (void*) &Write_Lock_check_action;
+ func_ptr_table[2 * 5] = (void*) &Write_Unlock_id;
+ func_ptr_table[2 * 5 + 1] = (void*) &Write_Unlock_check_action;
+ func_ptr_table[2 * 4] = (void*) &Read_Unlock_id;
+ func_ptr_table[2 * 4 + 1] = (void*) &Read_Unlock_check_action;
+ func_ptr_table[2 * 0] = (void*) &Read_Lock_id;
+ func_ptr_table[2 * 0 + 1] = (void*) &Read_Lock_check_action;
+ /* Read_Unlock(true) -> Write_Lock(true) */
+ struct hb_rule *hbConditionInit0 = (struct hb_rule*) malloc(sizeof(struct hb_rule));
+ hbConditionInit0->interface_num_before = 4; // Read_Unlock
+ hbConditionInit0->hb_condition_num_before = 0; //
+ hbConditionInit0->interface_num_after = 1; // Write_Lock
+ hbConditionInit0->hb_condition_num_after = 0; //
+ /* Read_Unlock(true) -> Write_Trylock(HB_Write_Trylock_Succ) */
+ struct hb_rule *hbConditionInit1 = (struct hb_rule*) malloc(sizeof(struct hb_rule));
+ hbConditionInit1->interface_num_before = 4; // Read_Unlock
+ hbConditionInit1->hb_condition_num_before = 0; //
+ hbConditionInit1->interface_num_after = 3; // Write_Trylock
+ hbConditionInit1->hb_condition_num_after = 1; // HB_Write_Trylock_Succ
+ /* Write_Unlock(true) -> Write_Lock(true) */
+ struct hb_rule *hbConditionInit2 = (struct hb_rule*) malloc(sizeof(struct hb_rule));
+ hbConditionInit2->interface_num_before = 5; // Write_Unlock
+ hbConditionInit2->hb_condition_num_before = 0; //
+ hbConditionInit2->interface_num_after = 1; // Write_Lock
+ hbConditionInit2->hb_condition_num_after = 0; //
+ /* Write_Unlock(true) -> Write_Trylock(HB_Write_Trylock_Succ) */
+ struct hb_rule *hbConditionInit3 = (struct hb_rule*) malloc(sizeof(struct hb_rule));
+ hbConditionInit3->interface_num_before = 5; // Write_Unlock
+ hbConditionInit3->hb_condition_num_before = 0; //
+ hbConditionInit3->interface_num_after = 3; // Write_Trylock
+ hbConditionInit3->hb_condition_num_after = 1; // HB_Write_Trylock_Succ
+ /* Write_Unlock(true) -> Read_Lock(true) */
+ struct hb_rule *hbConditionInit4 = (struct hb_rule*) malloc(sizeof(struct hb_rule));
+ hbConditionInit4->interface_num_before = 5; // Write_Unlock
+ hbConditionInit4->hb_condition_num_before = 0; //
+ hbConditionInit4->interface_num_after = 0; // Read_Lock
+ hbConditionInit4->hb_condition_num_after = 0; //
+ /* Write_Unlock(true) -> Read_Trylock(HB_Read_Trylock_Succ) */
+ struct hb_rule *hbConditionInit5 = (struct hb_rule*) malloc(sizeof(struct hb_rule));
+ hbConditionInit5->interface_num_before = 5; // Write_Unlock
+ hbConditionInit5->hb_condition_num_before = 0; //
+ hbConditionInit5->interface_num_after = 2; // Read_Trylock
+ hbConditionInit5->hb_condition_num_after = 2; // HB_Read_Trylock_Succ
+ /* Init hb_rule_table */
+ hb_rule_table = (hb_rule**) malloc(sizeof(hb_rule*) * 6);
+ #define HB_RULE_TABLE_SIZE 6
+ hb_rule_table[0] = hbConditionInit0;
+ hb_rule_table[1] = hbConditionInit1;
+ hb_rule_table[2] = hbConditionInit2;
+ hb_rule_table[3] = hbConditionInit3;
+ hb_rule_table[4] = hbConditionInit4;
+ hb_rule_table[5] = hbConditionInit5;
+ /* Init commutativity_rule_table */
+ commutativity_rule_table = (commutativity_rule**) malloc(sizeof(commutativity_rule*) * 14);
+ commutativity_rule* rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 0;
+ rule->interface_num_after = 0;
+ rule->rule = "true";
+ rule->condition = CommutativityCondition0;
+ commutativity_rule_table[0] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 0;
+ rule->interface_num_after = 4;
+ rule->rule = "true";
+ rule->condition = CommutativityCondition1;
+ commutativity_rule_table[1] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 0;
+ rule->interface_num_after = 2;
+ rule->rule = "true";
+ rule->condition = CommutativityCondition2;
+ commutativity_rule_table[2] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 0;
+ rule->interface_num_after = 3;
+ rule->rule = "! _Method2 . __RET__";
+ rule->condition = CommutativityCondition3;
+ commutativity_rule_table[3] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 4;
+ rule->interface_num_after = 4;
+ rule->rule = "true";
+ rule->condition = CommutativityCondition4;
+ commutativity_rule_table[4] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 4;
+ rule->interface_num_after = 2;
+ rule->rule = "true";
+ rule->condition = CommutativityCondition5;
+ commutativity_rule_table[5] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 4;
+ rule->interface_num_after = 3;
+ rule->rule = "! _Method2 . __RET__";
+ rule->condition = CommutativityCondition6;
+ commutativity_rule_table[6] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 2;
+ rule->interface_num_after = 2;
+ rule->rule = "true";
+ rule->condition = CommutativityCondition7;
+ commutativity_rule_table[7] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 2;
+ rule->interface_num_after = 3;
+ rule->rule = "! _Method1 . __RET__ || ! _Method2 . __RET__";
+ rule->condition = CommutativityCondition8;
+ commutativity_rule_table[8] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 2;
+ rule->interface_num_after = 1;
+ rule->rule = "! _Method1 . __RET__";
+ rule->condition = CommutativityCondition9;
+ commutativity_rule_table[9] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 2;
+ rule->interface_num_after = 5;
+ rule->rule = "! _Method1 . __RET__";
+ rule->condition = CommutativityCondition10;
+ commutativity_rule_table[10] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 3;
+ rule->interface_num_after = 3;
+ rule->rule = "! _Method1 . __RET__ || ! _Method2 . __RET__";
+ rule->condition = CommutativityCondition11;
+ commutativity_rule_table[11] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 3;
+ rule->interface_num_after = 5;
+ rule->rule = "! _Method1 . __RET__";
+ rule->condition = CommutativityCondition12;
+ commutativity_rule_table[12] = rule;
+ rule = (commutativity_rule*) malloc (sizeof(commutativity_rule));
+ rule->interface_num_before = 3;
+ rule->interface_num_after = 1;
+ rule->rule = "! _Method1 . __RET__";
+ rule->condition = CommutativityCondition13;
+ commutativity_rule_table[13] = rule;
+ /* Pass init info, including function table info & HB rules & Commutativity Rules */
+ struct anno_init *anno_init = (struct anno_init*) malloc(sizeof(struct anno_init));
+ anno_init->init_func = (void_func_t) __SPEC_INIT__;
+ anno_init->cleanup_func = (cleanup_func_t) __SPEC_CLEANUP__;
+ anno_init->func_table = func_ptr_table;
+ anno_init->func_table_size = INTERFACE_SIZE;
+ anno_init->hb_rule_table = hb_rule_table;
+ anno_init->hb_rule_table_size = HB_RULE_TABLE_SIZE;
+ anno_init->commutativity_rule_table = commutativity_rule_table;
+ anno_init->commutativity_rule_table_size = 14;
+ struct spec_annotation *init = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ init->type = INIT;
+ init->annotation = anno_init;
+ cdsannotate(SPEC_ANALYSIS, init);
+
+}
+
+/* End of Global construct generation in class */
+
+
+static inline int read_can_lock(rwlock_t *lock)
+{
+ return atomic_load_explicit(&lock->lock, memory_order_relaxed) > 0;
+}
+
+static inline int write_can_lock(rwlock_t *lock)
+{
+ return atomic_load_explicit(&lock->lock, memory_order_relaxed) == RW_LOCK_BIAS;
+}
+
+
+void __wrapper__read_lock(rwlock_t * rw);
+
+void read_lock(rwlock_t * rw) {
+ /* Interface begins */
+ struct anno_interface_begin *interface_begin = (struct anno_interface_begin*) malloc(sizeof(struct anno_interface_begin));
+ interface_begin->interface_num = 0; // Read_Lock
+ interface_begin->interface_name = "Read_Lock";
+ struct spec_annotation *annotation_interface_begin = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_interface_begin->type = INTERFACE_BEGIN;
+ annotation_interface_begin->annotation = interface_begin;
+ cdsannotate(SPEC_ANALYSIS, annotation_interface_begin);
+ __wrapper__read_lock(rw);
+ struct anno_hb_condition *hb_condition = (struct anno_hb_condition*) malloc(sizeof(struct anno_hb_condition));
+ hb_condition->interface_num = 0; // Read_Lock
+ hb_condition->hb_condition_num = 0;
+ struct spec_annotation *annotation_hb_condition = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_hb_condition->type = HB_CONDITION;
+ annotation_hb_condition->annotation = hb_condition;
+ cdsannotate(SPEC_ANALYSIS, annotation_hb_condition);
+
+ Read_Lock_info* info = (Read_Lock_info*) malloc(sizeof(Read_Lock_info));
+ info->rw = rw;
+ struct anno_interface_end *interface_end = (struct anno_interface_end*) malloc(sizeof(struct anno_interface_end));
+ interface_end->interface_num = 0; // Read_Lock
+ interface_end->info = info;
+ struct spec_annotation *annoation_interface_end = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annoation_interface_end->type = INTERFACE_END;
+ annoation_interface_end->annotation = interface_end;
+ cdsannotate(SPEC_ANALYSIS, annoation_interface_end);
+}
+
+void __wrapper__read_lock(rwlock_t * rw)
+{
+
+
+ int priorvalue = atomic_fetch_sub_explicit(&rw->lock, 1, memory_order_acquire);
+ /* Automatically generated code for commit point define check: Read_Lock_Success_1 */
+
+ if (priorvalue > 0) {
+ struct anno_cp_define_check *cp_define_check = (struct anno_cp_define_check*) malloc(sizeof(struct anno_cp_define_check));
+ cp_define_check->label_num = 0;
+ cp_define_check->label_name = "Read_Lock_Success_1";
+ cp_define_check->interface_num = 0;
+ struct spec_annotation *annotation_cp_define_check = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define_check->type = CP_DEFINE_CHECK;
+ annotation_cp_define_check->annotation = cp_define_check;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define_check);
+ }
+
+ while (priorvalue <= 0) {
+ atomic_fetch_add_explicit(&rw->lock, 1, memory_order_relaxed);
+ while (atomic_load_explicit(&rw->lock, memory_order_relaxed) <= 0) {
+ thrd_yield();
+ }
+
+ priorvalue = atomic_fetch_sub_explicit(&rw->lock, 1, memory_order_acquire);
+ /* Automatically generated code for commit point define check: Read_Lock_Success_2 */
+
+ if (priorvalue > 0) {
+ struct anno_cp_define_check *cp_define_check = (struct anno_cp_define_check*) malloc(sizeof(struct anno_cp_define_check));
+ cp_define_check->label_num = 1;
+ cp_define_check->label_name = "Read_Lock_Success_2";
+ cp_define_check->interface_num = 0;
+ struct spec_annotation *annotation_cp_define_check = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define_check->type = CP_DEFINE_CHECK;
+ annotation_cp_define_check->annotation = cp_define_check;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define_check);
+ }
+
+ }
+}
+
+
+void __wrapper__write_lock(rwlock_t * rw);
+
+void write_lock(rwlock_t * rw) {
+ /* Interface begins */
+ struct anno_interface_begin *interface_begin = (struct anno_interface_begin*) malloc(sizeof(struct anno_interface_begin));
+ interface_begin->interface_num = 1; // Write_Lock
+ interface_begin->interface_name = "Write_Lock";
+ struct spec_annotation *annotation_interface_begin = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_interface_begin->type = INTERFACE_BEGIN;
+ annotation_interface_begin->annotation = interface_begin;
+ cdsannotate(SPEC_ANALYSIS, annotation_interface_begin);
+ __wrapper__write_lock(rw);
+ struct anno_hb_condition *hb_condition = (struct anno_hb_condition*) malloc(sizeof(struct anno_hb_condition));
+ hb_condition->interface_num = 1; // Write_Lock
+ hb_condition->hb_condition_num = 0;
+ struct spec_annotation *annotation_hb_condition = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_hb_condition->type = HB_CONDITION;
+ annotation_hb_condition->annotation = hb_condition;
+ cdsannotate(SPEC_ANALYSIS, annotation_hb_condition);
+
+ Write_Lock_info* info = (Write_Lock_info*) malloc(sizeof(Write_Lock_info));
+ info->rw = rw;
+ struct anno_interface_end *interface_end = (struct anno_interface_end*) malloc(sizeof(struct anno_interface_end));
+ interface_end->interface_num = 1; // Write_Lock
+ interface_end->info = info;
+ struct spec_annotation *annoation_interface_end = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annoation_interface_end->type = INTERFACE_END;
+ annoation_interface_end->annotation = interface_end;
+ cdsannotate(SPEC_ANALYSIS, annoation_interface_end);
+}
+
+void __wrapper__write_lock(rwlock_t * rw)
+{
+
+ int priorvalue = atomic_fetch_sub_explicit(&rw->lock, RW_LOCK_BIAS, memory_order_acquire);
+ /* Automatically generated code for commit point define check: Write_Lock_Success_1 */
+
+ if (priorvalue == RW_LOCK_BIAS) {
+ struct anno_cp_define_check *cp_define_check = (struct anno_cp_define_check*) malloc(sizeof(struct anno_cp_define_check));
+ cp_define_check->label_num = 2;
+ cp_define_check->label_name = "Write_Lock_Success_1";
+ cp_define_check->interface_num = 1;
+ struct spec_annotation *annotation_cp_define_check = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define_check->type = CP_DEFINE_CHECK;
+ annotation_cp_define_check->annotation = cp_define_check;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define_check);
+ }
+
+ while (priorvalue != RW_LOCK_BIAS) {
+ atomic_fetch_add_explicit(&rw->lock, RW_LOCK_BIAS, memory_order_relaxed);
+ while (atomic_load_explicit(&rw->lock, memory_order_relaxed) != RW_LOCK_BIAS) {
+ thrd_yield();
+ }
+
+ priorvalue = atomic_fetch_sub_explicit(&rw->lock, RW_LOCK_BIAS, memory_order_acquire);
+ /* Automatically generated code for commit point define check: Write_Lock_Success_2 */
+
+ if (priorvalue == RW_LOCK_BIAS) {
+ struct anno_cp_define_check *cp_define_check = (struct anno_cp_define_check*) malloc(sizeof(struct anno_cp_define_check));
+ cp_define_check->label_num = 3;
+ cp_define_check->label_name = "Write_Lock_Success_2";
+ cp_define_check->interface_num = 1;
+ struct spec_annotation *annotation_cp_define_check = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define_check->type = CP_DEFINE_CHECK;
+ annotation_cp_define_check->annotation = cp_define_check;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define_check);
+ }
+
+ }
+}
+
+int __wrapper__read_trylock(rwlock_t * rw);
+
+int read_trylock(rwlock_t * rw) {
+ /* Interface begins */
+ struct anno_interface_begin *interface_begin = (struct anno_interface_begin*) malloc(sizeof(struct anno_interface_begin));
+ interface_begin->interface_num = 2; // Read_Trylock
+ interface_begin->interface_name = "Read_Trylock";
+ struct spec_annotation *annotation_interface_begin = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_interface_begin->type = INTERFACE_BEGIN;
+ annotation_interface_begin->annotation = interface_begin;
+ cdsannotate(SPEC_ANALYSIS, annotation_interface_begin);
+ int __RET__ = __wrapper__read_trylock(rw);
+ if (__RET__ == 1) {
+ struct anno_hb_condition *hb_condition = (struct anno_hb_condition*) malloc(sizeof(struct anno_hb_condition));
+ hb_condition->interface_num = 2; // Read_Trylock
+ hb_condition->hb_condition_num = 2;
+ struct spec_annotation *annotation_hb_condition = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_hb_condition->type = HB_CONDITION;
+ annotation_hb_condition->annotation = hb_condition;
+ cdsannotate(SPEC_ANALYSIS, annotation_hb_condition);
+ }
+
+ Read_Trylock_info* info = (Read_Trylock_info*) malloc(sizeof(Read_Trylock_info));
+ info->__RET__ = __RET__;
+ info->rw = rw;
+ struct anno_interface_end *interface_end = (struct anno_interface_end*) malloc(sizeof(struct anno_interface_end));
+ interface_end->interface_num = 2; // Read_Trylock
+ interface_end->info = info;
+ struct spec_annotation *annoation_interface_end = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annoation_interface_end->type = INTERFACE_END;
+ annoation_interface_end->annotation = interface_end;
+ cdsannotate(SPEC_ANALYSIS, annoation_interface_end);
+ return __RET__;
+}
+
+int __wrapper__read_trylock(rwlock_t * rw)
+{
+
+ int priorvalue = atomic_fetch_sub_explicit(&rw->lock, 1, memory_order_acquire);
+ /* Automatically generated code for potential commit point: Potential_Read_Trylock_Point */
+
+ if (true) {
+ struct anno_potential_cp_define *potential_cp_define = (struct anno_potential_cp_define*) malloc(sizeof(struct anno_potential_cp_define));
+ potential_cp_define->label_num = 4;
+ potential_cp_define->label_name = "Potential_Read_Trylock_Point";
+ struct spec_annotation *annotation_potential_cp_define = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_potential_cp_define->type = POTENTIAL_CP_DEFINE;
+ annotation_potential_cp_define->annotation = potential_cp_define;
+ cdsannotate(SPEC_ANALYSIS, annotation_potential_cp_define);
+ }
+
+ if (priorvalue > 0) {
+ /* Automatically generated code for commit point define: Read_Trylock_Succ_Point */
+
+ if (true) {
+ struct anno_cp_define *cp_define = (struct anno_cp_define*) malloc(sizeof(struct anno_cp_define));
+ cp_define->label_num = 5;
+ cp_define->label_name = "Read_Trylock_Succ_Point";
+ cp_define->potential_cp_label_num = 4;
+ cp_define->potential_label_name = "Potential_Read_Trylock_Point";
+ cp_define->interface_num = 2;
+ struct spec_annotation *annotation_cp_define = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define->type = CP_DEFINE;
+ annotation_cp_define->annotation = cp_define;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define);
+ }
+
+ return 1;
+ }
+ /* Automatically generated code for commit point define: Read_Trylock_Fail_Point */
+
+ if (true) {
+ struct anno_cp_define *cp_define = (struct anno_cp_define*) malloc(sizeof(struct anno_cp_define));
+ cp_define->label_num = 6;
+ cp_define->label_name = "Read_Trylock_Fail_Point";
+ cp_define->potential_cp_label_num = 4;
+ cp_define->potential_label_name = "Potential_Read_Trylock_Point";
+ cp_define->interface_num = 2;
+ struct spec_annotation *annotation_cp_define = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define->type = CP_DEFINE;
+ annotation_cp_define->annotation = cp_define;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define);
+ }
+
+ atomic_fetch_add_explicit(&rw->lock, 1, memory_order_relaxed);
+ return 0;
+}
+
+int __wrapper__write_trylock(rwlock_t * rw);
+
+int write_trylock(rwlock_t * rw) {
+ /* Interface begins */
+ struct anno_interface_begin *interface_begin = (struct anno_interface_begin*) malloc(sizeof(struct anno_interface_begin));
+ interface_begin->interface_num = 3; // Write_Trylock
+ interface_begin->interface_name = "Write_Trylock";
+ struct spec_annotation *annotation_interface_begin = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_interface_begin->type = INTERFACE_BEGIN;
+ annotation_interface_begin->annotation = interface_begin;
+ cdsannotate(SPEC_ANALYSIS, annotation_interface_begin);
+ int __RET__ = __wrapper__write_trylock(rw);
+ if (__RET__ == 1) {
+ struct anno_hb_condition *hb_condition = (struct anno_hb_condition*) malloc(sizeof(struct anno_hb_condition));
+ hb_condition->interface_num = 3; // Write_Trylock
+ hb_condition->hb_condition_num = 1;
+ struct spec_annotation *annotation_hb_condition = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_hb_condition->type = HB_CONDITION;
+ annotation_hb_condition->annotation = hb_condition;
+ cdsannotate(SPEC_ANALYSIS, annotation_hb_condition);
+ }
+
+ Write_Trylock_info* info = (Write_Trylock_info*) malloc(sizeof(Write_Trylock_info));
+ info->__RET__ = __RET__;
+ info->rw = rw;
+ struct anno_interface_end *interface_end = (struct anno_interface_end*) malloc(sizeof(struct anno_interface_end));
+ interface_end->interface_num = 3; // Write_Trylock
+ interface_end->info = info;
+ struct spec_annotation *annoation_interface_end = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annoation_interface_end->type = INTERFACE_END;
+ annoation_interface_end->annotation = interface_end;
+ cdsannotate(SPEC_ANALYSIS, annoation_interface_end);
+ return __RET__;
+}
+
+int __wrapper__write_trylock(rwlock_t * rw)
+{
+
+ int priorvalue = atomic_fetch_sub_explicit(&rw->lock, RW_LOCK_BIAS, memory_order_acquire);
+ /* Automatically generated code for potential commit point: Potential_Write_Trylock_Point */
+
+ if (true) {
+ struct anno_potential_cp_define *potential_cp_define = (struct anno_potential_cp_define*) malloc(sizeof(struct anno_potential_cp_define));
+ potential_cp_define->label_num = 7;
+ potential_cp_define->label_name = "Potential_Write_Trylock_Point";
+ struct spec_annotation *annotation_potential_cp_define = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_potential_cp_define->type = POTENTIAL_CP_DEFINE;
+ annotation_potential_cp_define->annotation = potential_cp_define;
+ cdsannotate(SPEC_ANALYSIS, annotation_potential_cp_define);
+ }
+
+ if (priorvalue == RW_LOCK_BIAS) {
+ /* Automatically generated code for commit point define: Write_Trylock_Succ_Point */
+
+ if (true) {
+ struct anno_cp_define *cp_define = (struct anno_cp_define*) malloc(sizeof(struct anno_cp_define));
+ cp_define->label_num = 8;
+ cp_define->label_name = "Write_Trylock_Succ_Point";
+ cp_define->potential_cp_label_num = 7;
+ cp_define->potential_label_name = "Potential_Write_Trylock_Point";
+ cp_define->interface_num = 3;
+ struct spec_annotation *annotation_cp_define = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define->type = CP_DEFINE;
+ annotation_cp_define->annotation = cp_define;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define);
+ }
+
+ return 1;
+ }
+ /* Automatically generated code for commit point define: Write_Trylock_Fail_Point */
+
+ if (true) {
+ struct anno_cp_define *cp_define = (struct anno_cp_define*) malloc(sizeof(struct anno_cp_define));
+ cp_define->label_num = 9;
+ cp_define->label_name = "Write_Trylock_Fail_Point";
+ cp_define->potential_cp_label_num = 7;
+ cp_define->potential_label_name = "Potential_Write_Trylock_Point";
+ cp_define->interface_num = 3;
+ struct spec_annotation *annotation_cp_define = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define->type = CP_DEFINE;
+ annotation_cp_define->annotation = cp_define;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define);
+ }
+
+ atomic_fetch_add_explicit(&rw->lock, RW_LOCK_BIAS, memory_order_relaxed);
+ return 0;
+}
+
+void __wrapper__read_unlock(rwlock_t * rw);
+
+void read_unlock(rwlock_t * rw) {
+ /* Interface begins */
+ struct anno_interface_begin *interface_begin = (struct anno_interface_begin*) malloc(sizeof(struct anno_interface_begin));
+ interface_begin->interface_num = 4; // Read_Unlock
+ interface_begin->interface_name = "Read_Unlock";
+ struct spec_annotation *annotation_interface_begin = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_interface_begin->type = INTERFACE_BEGIN;
+ annotation_interface_begin->annotation = interface_begin;
+ cdsannotate(SPEC_ANALYSIS, annotation_interface_begin);
+ __wrapper__read_unlock(rw);
+ struct anno_hb_condition *hb_condition = (struct anno_hb_condition*) malloc(sizeof(struct anno_hb_condition));
+ hb_condition->interface_num = 4; // Read_Unlock
+ hb_condition->hb_condition_num = 0;
+ struct spec_annotation *annotation_hb_condition = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_hb_condition->type = HB_CONDITION;
+ annotation_hb_condition->annotation = hb_condition;
+ cdsannotate(SPEC_ANALYSIS, annotation_hb_condition);
+
+ Read_Unlock_info* info = (Read_Unlock_info*) malloc(sizeof(Read_Unlock_info));
+ info->rw = rw;
+ struct anno_interface_end *interface_end = (struct anno_interface_end*) malloc(sizeof(struct anno_interface_end));
+ interface_end->interface_num = 4; // Read_Unlock
+ interface_end->info = info;
+ struct spec_annotation *annoation_interface_end = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annoation_interface_end->type = INTERFACE_END;
+ annoation_interface_end->annotation = interface_end;
+ cdsannotate(SPEC_ANALYSIS, annoation_interface_end);
+}
+
+void __wrapper__read_unlock(rwlock_t * rw)
+{
+
+ atomic_fetch_add_explicit(&rw->lock, 1, memory_order_release);
+ /* Automatically generated code for commit point define check: Read_Unlock_Point */
+
+ if (true) {
+ struct anno_cp_define_check *cp_define_check = (struct anno_cp_define_check*) malloc(sizeof(struct anno_cp_define_check));
+ cp_define_check->label_num = 10;
+ cp_define_check->label_name = "Read_Unlock_Point";
+ cp_define_check->interface_num = 4;
+ struct spec_annotation *annotation_cp_define_check = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define_check->type = CP_DEFINE_CHECK;
+ annotation_cp_define_check->annotation = cp_define_check;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define_check);
+ }
+
+}
+
+void __wrapper__write_unlock(rwlock_t * rw);
+
+void write_unlock(rwlock_t * rw) {
+ /* Interface begins */
+ struct anno_interface_begin *interface_begin = (struct anno_interface_begin*) malloc(sizeof(struct anno_interface_begin));
+ interface_begin->interface_num = 5; // Write_Unlock
+ interface_begin->interface_name = "Write_Unlock";
+ struct spec_annotation *annotation_interface_begin = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_interface_begin->type = INTERFACE_BEGIN;
+ annotation_interface_begin->annotation = interface_begin;
+ cdsannotate(SPEC_ANALYSIS, annotation_interface_begin);
+ __wrapper__write_unlock(rw);
+ struct anno_hb_condition *hb_condition = (struct anno_hb_condition*) malloc(sizeof(struct anno_hb_condition));
+ hb_condition->interface_num = 5; // Write_Unlock
+ hb_condition->hb_condition_num = 0;
+ struct spec_annotation *annotation_hb_condition = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_hb_condition->type = HB_CONDITION;
+ annotation_hb_condition->annotation = hb_condition;
+ cdsannotate(SPEC_ANALYSIS, annotation_hb_condition);
+
+ Write_Unlock_info* info = (Write_Unlock_info*) malloc(sizeof(Write_Unlock_info));
+ info->rw = rw;
+ struct anno_interface_end *interface_end = (struct anno_interface_end*) malloc(sizeof(struct anno_interface_end));
+ interface_end->interface_num = 5; // Write_Unlock
+ interface_end->info = info;
+ struct spec_annotation *annoation_interface_end = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annoation_interface_end->type = INTERFACE_END;
+ annoation_interface_end->annotation = interface_end;
+ cdsannotate(SPEC_ANALYSIS, annoation_interface_end);
+}
+
+void __wrapper__write_unlock(rwlock_t * rw)
+{
+
+ atomic_fetch_add_explicit(&rw->lock, RW_LOCK_BIAS, memory_order_release);
+ /* Automatically generated code for commit point define check: Write_Unlock_Point */
+
+ if (true) {
+ struct anno_cp_define_check *cp_define_check = (struct anno_cp_define_check*) malloc(sizeof(struct anno_cp_define_check));
+ cp_define_check->label_num = 11;
+ cp_define_check->label_name = "Write_Unlock_Point";
+ cp_define_check->interface_num = 5;
+ struct spec_annotation *annotation_cp_define_check = (struct spec_annotation*) malloc(sizeof(struct spec_annotation));
+ annotation_cp_define_check->type = CP_DEFINE_CHECK;
+ annotation_cp_define_check->annotation = cp_define_check;
+ cdsannotate(SPEC_ANALYSIS, annotation_cp_define_check);
+ }
+
+
+
+}
+
+rwlock_t mylock;
+int shareddata;
+
+static void a(void *obj)
+{
+ read_lock(&mylock);
+ read_unlock(&mylock);
+
+ write_lock(&mylock);
+ shareddata = 47;
+ write_unlock(&mylock);
+}
+
+static void b(void *obj)
+{
+ if (read_trylock(&mylock) == 1) {
+ read_unlock(&mylock);
+ }
+
+ if (write_trylock(&mylock) == 1) {
+ write_unlock(&mylock);
+ }
+}
+
+int user_main(int argc, char **argv)
+{
+ __sequential_init();
+
+ thrd_t t1, t2;
+ atomic_init(&mylock.lock, RW_LOCK_BIAS);
+
+ thrd_create(&t1, (thrd_start_t)&a, NULL);
+ thrd_create(&t2, (thrd_start_t)&b, NULL);
+
+ thrd_join(t1);
+ thrd_join(t2);
+
+ return 0;
+}
+