//Find any backwards edges that complete cycles and force them to be mustNeg
DFSClearContradictions(solver, graph, table, &finishNodes, computeTransitiveClosure);
table->resetAndDeleteVals();
//Find any backwards edges that complete cycles and force them to be mustNeg
DFSClearContradictions(solver, graph, table, &finishNodes, computeTransitiveClosure);
table->resetAndDeleteVals();