/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread-race-challenges/per-thread-array-init.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:06:19,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:06:19,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:06:19,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:06:19,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:06:19,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:06:19,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:06:19,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:06:19,788 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:06:19,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:06:19,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:06:19,789 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:06:19,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:06:19,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:06:19,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:06:19,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:06:19,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:06:19,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:06:19,807 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:06:19,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:06:19,807 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:06:19,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:06:19,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:06:19,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 01:06:20,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:06:20,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:06:20,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:06:20,072 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:06:20,073 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:06:20,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-race-challenges/per-thread-array-init.i [2025-03-15 01:06:21,280 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0db1a5404/b91c7fa71bd544adaee4f89a611be145/FLAG638fb4120 [2025-03-15 01:06:21,553 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:06:21,553 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-race-challenges/per-thread-array-init.i [2025-03-15 01:06:21,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0db1a5404/b91c7fa71bd544adaee4f89a611be145/FLAG638fb4120 [2025-03-15 01:06:21,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0db1a5404/b91c7fa71bd544adaee4f89a611be145 [2025-03-15 01:06:21,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:06:21,593 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:06:21,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:06:21,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:06:21,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:06:21,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:21,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b198fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21, skipping insertion in model container [2025-03-15 01:06:21,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:21,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:06:21,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:06:21,892 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:06:21,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:06:21,986 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:06:21,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21 WrapperNode [2025-03-15 01:06:21,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:06:21,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:06:21,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:06:21,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:06:21,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,015 INFO L138 Inliner]: procedures = 261, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2025-03-15 01:06:22,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:06:22,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:06:22,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:06:22,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:06:22,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,044 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:06:22,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:06:22,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:06:22,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:06:22,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (1/1) ... [2025-03-15 01:06:22,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:06:22,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:06:22,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:06:22,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:06:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-15 01:06:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:06:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:06:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:06:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-03-15 01:06:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-03-15 01:06:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:06:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:06:22,096 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:06:22,183 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:06:22,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:06:22,359 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:06:22,359 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:06:22,368 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:06:22,368 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:06:22,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:06:22 BoogieIcfgContainer [2025-03-15 01:06:22,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:06:22,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:06:22,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:06:22,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:06:22,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:06:21" (1/3) ... [2025-03-15 01:06:22,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae7eb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:06:22, skipping insertion in model container [2025-03-15 01:06:22,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:21" (2/3) ... [2025-03-15 01:06:22,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae7eb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:06:22, skipping insertion in model container [2025-03-15 01:06:22,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:06:22" (3/3) ... [2025-03-15 01:06:22,375 INFO L128 eAbstractionObserver]: Analyzing ICFG per-thread-array-init.i [2025-03-15 01:06:22,388 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:06:22,390 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-init.i that has 2 procedures, 86 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-03-15 01:06:22,390 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:06:22,466 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:06:22,499 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:06:22,509 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6524cadc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:06:22,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-15 01:06:22,538 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:06:22,538 INFO L124 PetriNetUnfolderBase]: 1/41 cut-off events. [2025-03-15 01:06:22,541 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:06:22,541 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:22,541 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:22,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:22,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:22,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1909169921, now seen corresponding path program 1 times [2025-03-15 01:06:22,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:22,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614259312] [2025-03-15 01:06:22,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:23,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:23,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:23,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614259312] [2025-03-15 01:06:23,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614259312] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:23,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:23,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:23,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009454261] [2025-03-15 01:06:23,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:23,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:23,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:23,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:23,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:23,219 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 88 [2025-03-15 01:06:23,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 88 transitions, 183 flow. Second operand has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:23,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:23,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 88 [2025-03-15 01:06:23,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:23,632 INFO L124 PetriNetUnfolderBase]: 199/666 cut-off events. [2025-03-15 01:06:23,632 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-15 01:06:23,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1139 conditions, 666 events. 199/666 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3593 event pairs, 140 based on Foata normal form. 1/588 useless extension candidates. Maximal degree in co-relation 1033. Up to 412 conditions per place. [2025-03-15 01:06:23,644 INFO L140 encePairwiseOnDemand]: 76/88 looper letters, 47 selfloop transitions, 22 changer transitions 1/116 dead transitions. [2025-03-15 01:06:23,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 116 transitions, 377 flow [2025-03-15 01:06:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:23,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 353 transitions. [2025-03-15 01:06:23,656 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6685606060606061 [2025-03-15 01:06:23,659 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 5 predicate places. [2025-03-15 01:06:23,659 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 116 transitions, 377 flow [2025-03-15 01:06:23,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:23,659 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:23,659 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:23,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:06:23,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:23,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:23,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2079786684, now seen corresponding path program 1 times [2025-03-15 01:06:23,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:23,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334472338] [2025-03-15 01:06:23,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:23,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:23,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:23,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334472338] [2025-03-15 01:06:23,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334472338] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:23,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:23,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:23,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45957495] [2025-03-15 01:06:23,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:23,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:06:23,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:23,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:06:23,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:06:23,741 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 88 [2025-03-15 01:06:23,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 116 transitions, 377 flow. Second operand has 5 states, 5 states have (on average 49.2) internal successors, (246), 5 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:23,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:23,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 88 [2025-03-15 01:06:23,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:23,904 INFO L124 PetriNetUnfolderBase]: 199/649 cut-off events. [2025-03-15 01:06:23,905 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2025-03-15 01:06:23,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1406 conditions, 649 events. 199/649 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3357 event pairs, 140 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 1245. Up to 414 conditions per place. [2025-03-15 01:06:23,910 INFO L140 encePairwiseOnDemand]: 80/88 looper letters, 57 selfloop transitions, 2 changer transitions 7/136 dead transitions. [2025-03-15 01:06:23,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 136 transitions, 581 flow [2025-03-15 01:06:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:23,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 338 transitions. [2025-03-15 01:06:23,914 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6401515151515151 [2025-03-15 01:06:23,915 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 10 predicate places. [2025-03-15 01:06:23,915 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 136 transitions, 581 flow [2025-03-15 01:06:23,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 49.2) internal successors, (246), 5 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:23,915 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:23,915 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:23,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:06:23,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:23,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:23,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1058499262, now seen corresponding path program 1 times [2025-03-15 01:06:23,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:23,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344212242] [2025-03-15 01:06:23,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:23,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:24,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:24,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344212242] [2025-03-15 01:06:24,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344212242] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:24,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:24,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:24,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560186173] [2025-03-15 01:06:24,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:24,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:24,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:24,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:24,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:24,193 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 88 [2025-03-15 01:06:24,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 136 transitions, 581 flow. Second operand has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:24,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:24,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 88 [2025-03-15 01:06:24,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:24,461 INFO L124 PetriNetUnfolderBase]: 241/749 cut-off events. [2025-03-15 01:06:24,461 INFO L125 PetriNetUnfolderBase]: For 186/188 co-relation queries the response was YES. [2025-03-15 01:06:24,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2139 conditions, 749 events. 241/749 cut-off events. For 186/188 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3931 event pairs, 127 based on Foata normal form. 0/667 useless extension candidates. Maximal degree in co-relation 1948. Up to 484 conditions per place. [2025-03-15 01:06:24,468 INFO L140 encePairwiseOnDemand]: 77/88 looper letters, 85 selfloop transitions, 26 changer transitions 7/164 dead transitions. [2025-03-15 01:06:24,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 164 transitions, 925 flow [2025-03-15 01:06:24,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 347 transitions. [2025-03-15 01:06:24,472 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6571969696969697 [2025-03-15 01:06:24,473 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 15 predicate places. [2025-03-15 01:06:24,473 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 164 transitions, 925 flow [2025-03-15 01:06:24,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:24,473 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:24,473 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:24,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:06:24,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:24,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:24,483 INFO L85 PathProgramCache]: Analyzing trace with hash 378827499, now seen corresponding path program 1 times [2025-03-15 01:06:24,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:24,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799261088] [2025-03-15 01:06:24,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:24,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:24,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:24,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799261088] [2025-03-15 01:06:24,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799261088] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:24,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:24,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:24,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067483659] [2025-03-15 01:06:24,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:24,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:24,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:24,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:24,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:24,839 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 88 [2025-03-15 01:06:24,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 164 transitions, 925 flow. Second operand has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:24,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:24,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 88 [2025-03-15 01:06:24,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:25,265 INFO L124 PetriNetUnfolderBase]: 309/1010 cut-off events. [2025-03-15 01:06:25,266 INFO L125 PetriNetUnfolderBase]: For 444/470 co-relation queries the response was YES. [2025-03-15 01:06:25,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3355 conditions, 1010 events. 309/1010 cut-off events. For 444/470 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 6056 event pairs, 99 based on Foata normal form. 0/933 useless extension candidates. Maximal degree in co-relation 3138. Up to 602 conditions per place. [2025-03-15 01:06:25,275 INFO L140 encePairwiseOnDemand]: 74/88 looper letters, 121 selfloop transitions, 65 changer transitions 13/256 dead transitions. [2025-03-15 01:06:25,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 256 transitions, 2009 flow [2025-03-15 01:06:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 459 transitions. [2025-03-15 01:06:25,277 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8693181818181818 [2025-03-15 01:06:25,278 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 20 predicate places. [2025-03-15 01:06:25,278 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 256 transitions, 2009 flow [2025-03-15 01:06:25,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:25,279 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:25,279 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:25,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:06:25,279 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:25,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:25,280 INFO L85 PathProgramCache]: Analyzing trace with hash -965253396, now seen corresponding path program 1 times [2025-03-15 01:06:25,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:25,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033798186] [2025-03-15 01:06:25,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:25,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:25,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:25,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033798186] [2025-03-15 01:06:25,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033798186] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:25,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:25,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:25,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697888903] [2025-03-15 01:06:25,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:25,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:25,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:25,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:25,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:25,597 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 88 [2025-03-15 01:06:25,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 256 transitions, 2009 flow. Second operand has 6 states, 6 states have (on average 52.666666666666664) internal successors, (316), 6 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:25,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:25,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 88 [2025-03-15 01:06:25,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:25,833 INFO L124 PetriNetUnfolderBase]: 322/990 cut-off events. [2025-03-15 01:06:25,833 INFO L125 PetriNetUnfolderBase]: For 836/872 co-relation queries the response was YES. [2025-03-15 01:06:25,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3992 conditions, 990 events. 322/990 cut-off events. For 836/872 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 5705 event pairs, 117 based on Foata normal form. 0/922 useless extension candidates. Maximal degree in co-relation 3746. Up to 608 conditions per place. [2025-03-15 01:06:25,841 INFO L140 encePairwiseOnDemand]: 82/88 looper letters, 157 selfloop transitions, 0 changer transitions 70/271 dead transitions. [2025-03-15 01:06:25,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 271 transitions, 2551 flow [2025-03-15 01:06:25,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 352 transitions. [2025-03-15 01:06:25,843 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2025-03-15 01:06:25,843 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 24 predicate places. [2025-03-15 01:06:25,843 INFO L471 AbstractCegarLoop]: Abstraction has has 113 places, 271 transitions, 2551 flow [2025-03-15 01:06:25,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.666666666666664) internal successors, (316), 6 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:25,844 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:25,844 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:25,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:06:25,844 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:25,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:25,845 INFO L85 PathProgramCache]: Analyzing trace with hash 826830063, now seen corresponding path program 1 times [2025-03-15 01:06:25,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:25,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375673441] [2025-03-15 01:06:25,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:25,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:26,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:26,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375673441] [2025-03-15 01:06:26,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375673441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:26,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:26,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:26,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694354021] [2025-03-15 01:06:26,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:26,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:26,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:26,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:26,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:26,638 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:26,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 271 transitions, 2551 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:26,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:26,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:26,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:27,470 INFO L124 PetriNetUnfolderBase]: 445/1333 cut-off events. [2025-03-15 01:06:27,470 INFO L125 PetriNetUnfolderBase]: For 1531/1549 co-relation queries the response was YES. [2025-03-15 01:06:27,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6003 conditions, 1333 events. 445/1333 cut-off events. For 1531/1549 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 8146 event pairs, 21 based on Foata normal form. 0/1254 useless extension candidates. Maximal degree in co-relation 5726. Up to 769 conditions per place. [2025-03-15 01:06:27,481 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 189 selfloop transitions, 74 changer transitions 90/386 dead transitions. [2025-03-15 01:06:27,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 386 transitions, 4297 flow [2025-03-15 01:06:27,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:06:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:06:27,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1096 transitions. [2025-03-15 01:06:27,485 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5930735930735931 [2025-03-15 01:06:27,486 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 44 predicate places. [2025-03-15 01:06:27,486 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 386 transitions, 4297 flow [2025-03-15 01:06:27,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:27,487 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:27,487 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:27,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:06:27,487 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:27,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:27,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1815720573, now seen corresponding path program 2 times [2025-03-15 01:06:27,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:27,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483893585] [2025-03-15 01:06:27,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:06:27,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:27,510 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:27,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:28,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:28,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:28,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483893585] [2025-03-15 01:06:28,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483893585] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:28,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:28,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:28,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431565725] [2025-03-15 01:06:28,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:28,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:28,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:28,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:28,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:28,201 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:28,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 386 transitions, 4297 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:28,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:28,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:28,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:28,882 INFO L124 PetriNetUnfolderBase]: 486/1492 cut-off events. [2025-03-15 01:06:28,883 INFO L125 PetriNetUnfolderBase]: For 2409/2445 co-relation queries the response was YES. [2025-03-15 01:06:28,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7560 conditions, 1492 events. 486/1492 cut-off events. For 2409/2445 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9663 event pairs, 21 based on Foata normal form. 10/1418 useless extension candidates. Maximal degree in co-relation 7253. Up to 844 conditions per place. [2025-03-15 01:06:28,892 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 222 selfloop transitions, 91 changer transitions 118/464 dead transitions. [2025-03-15 01:06:28,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 464 transitions, 5941 flow [2025-03-15 01:06:28,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:06:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:06:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1036 transitions. [2025-03-15 01:06:28,896 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5886363636363636 [2025-03-15 01:06:28,896 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 63 predicate places. [2025-03-15 01:06:28,896 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 464 transitions, 5941 flow [2025-03-15 01:06:28,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:28,898 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:28,898 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:28,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:06:28,898 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:28,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:28,900 INFO L85 PathProgramCache]: Analyzing trace with hash 476626961, now seen corresponding path program 3 times [2025-03-15 01:06:28,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:28,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812038732] [2025-03-15 01:06:28,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:06:28,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:28,919 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:06:28,919 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:29,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:29,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812038732] [2025-03-15 01:06:29,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812038732] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:29,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:29,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:29,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758730834] [2025-03-15 01:06:29,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:29,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:29,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:29,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:29,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:29,645 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:29,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 464 transitions, 5941 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:29,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:29,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:29,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:30,593 INFO L124 PetriNetUnfolderBase]: 528/1579 cut-off events. [2025-03-15 01:06:30,594 INFO L125 PetriNetUnfolderBase]: For 3635/3679 co-relation queries the response was YES. [2025-03-15 01:06:30,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9190 conditions, 1579 events. 528/1579 cut-off events. For 3635/3679 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10231 event pairs, 19 based on Foata normal form. 11/1502 useless extension candidates. Maximal degree in co-relation 8853. Up to 914 conditions per place. [2025-03-15 01:06:30,604 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 241 selfloop transitions, 117 changer transitions 135/526 dead transitions. [2025-03-15 01:06:30,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 526 transitions, 7641 flow [2025-03-15 01:06:30,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-15 01:06:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-15 01:06:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1179 transitions. [2025-03-15 01:06:30,607 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5825098814229249 [2025-03-15 01:06:30,608 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 85 predicate places. [2025-03-15 01:06:30,608 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 526 transitions, 7641 flow [2025-03-15 01:06:30,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:30,608 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:30,608 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:30,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:06:30,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:30,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:30,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1820359101, now seen corresponding path program 4 times [2025-03-15 01:06:30,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:30,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464416713] [2025-03-15 01:06:30,609 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:06:30,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:30,628 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:06:30,628 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:31,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:31,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464416713] [2025-03-15 01:06:31,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464416713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:31,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:31,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:31,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347622036] [2025-03-15 01:06:31,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:31,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:31,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:31,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:31,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:31,107 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:31,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 526 transitions, 7641 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:31,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:31,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:31,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:31,926 INFO L124 PetriNetUnfolderBase]: 556/1696 cut-off events. [2025-03-15 01:06:31,926 INFO L125 PetriNetUnfolderBase]: For 4887/4950 co-relation queries the response was YES. [2025-03-15 01:06:31,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10828 conditions, 1696 events. 556/1696 cut-off events. For 4887/4950 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 11529 event pairs, 23 based on Foata normal form. 10/1614 useless extension candidates. Maximal degree in co-relation 10461. Up to 966 conditions per place. [2025-03-15 01:06:31,937 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 260 selfloop transitions, 140 changer transitions 152/585 dead transitions. [2025-03-15 01:06:31,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 585 transitions, 9535 flow [2025-03-15 01:06:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-15 01:06:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-03-15 01:06:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 1224 transitions. [2025-03-15 01:06:31,940 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5795454545454546 [2025-03-15 01:06:31,940 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 108 predicate places. [2025-03-15 01:06:31,940 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 585 transitions, 9535 flow [2025-03-15 01:06:31,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:31,941 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:31,941 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:31,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:06:31,941 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:31,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:31,942 INFO L85 PathProgramCache]: Analyzing trace with hash -487352013, now seen corresponding path program 5 times [2025-03-15 01:06:31,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:31,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142472810] [2025-03-15 01:06:31,942 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:06:31,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:31,962 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:31,962 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:32,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:32,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142472810] [2025-03-15 01:06:32,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142472810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:32,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:32,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:32,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592857707] [2025-03-15 01:06:32,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:32,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:32,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:32,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:32,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:32,488 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:32,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 585 transitions, 9535 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:32,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:32,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:32,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:33,242 INFO L124 PetriNetUnfolderBase]: 633/1875 cut-off events. [2025-03-15 01:06:33,243 INFO L125 PetriNetUnfolderBase]: For 7633/7758 co-relation queries the response was YES. [2025-03-15 01:06:33,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13445 conditions, 1875 events. 633/1875 cut-off events. For 7633/7758 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 13090 event pairs, 20 based on Foata normal form. 18/1791 useless extension candidates. Maximal degree in co-relation 13048. Up to 1105 conditions per place. [2025-03-15 01:06:33,257 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 313 selfloop transitions, 128 changer transitions 209/683 dead transitions. [2025-03-15 01:06:33,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 683 transitions, 12497 flow [2025-03-15 01:06:33,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-15 01:06:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-15 01:06:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 744 transitions. [2025-03-15 01:06:33,259 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6038961038961039 [2025-03-15 01:06:33,260 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 121 predicate places. [2025-03-15 01:06:33,260 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 683 transitions, 12497 flow [2025-03-15 01:06:33,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:33,260 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:33,260 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:33,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:06:33,260 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:33,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:33,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2054560847, now seen corresponding path program 6 times [2025-03-15 01:06:33,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:33,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910250409] [2025-03-15 01:06:33,261 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:06:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:33,277 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:06:33,277 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:33,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:33,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910250409] [2025-03-15 01:06:33,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910250409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:33,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:33,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:33,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831065811] [2025-03-15 01:06:33,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:33,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:33,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:33,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:33,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:33,696 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:33,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 683 transitions, 12497 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:33,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:33,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:33,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:34,567 INFO L124 PetriNetUnfolderBase]: 674/1946 cut-off events. [2025-03-15 01:06:34,567 INFO L125 PetriNetUnfolderBase]: For 10165/10263 co-relation queries the response was YES. [2025-03-15 01:06:34,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15631 conditions, 1946 events. 674/1946 cut-off events. For 10165/10263 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 13531 event pairs, 24 based on Foata normal form. 8/1845 useless extension candidates. Maximal degree in co-relation 15204. Up to 1185 conditions per place. [2025-03-15 01:06:34,587 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 334 selfloop transitions, 147 changer transitions 231/745 dead transitions. [2025-03-15 01:06:34,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 745 transitions, 15067 flow [2025-03-15 01:06:34,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:06:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:06:34,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 890 transitions. [2025-03-15 01:06:34,591 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5949197860962567 [2025-03-15 01:06:34,591 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 137 predicate places. [2025-03-15 01:06:34,591 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 745 transitions, 15067 flow [2025-03-15 01:06:34,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:34,592 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:34,592 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:34,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 01:06:34,592 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:34,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:34,594 INFO L85 PathProgramCache]: Analyzing trace with hash 4686485, now seen corresponding path program 7 times [2025-03-15 01:06:34,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:34,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035654248] [2025-03-15 01:06:34,594 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:06:34,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:35,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:35,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035654248] [2025-03-15 01:06:35,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035654248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:35,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:35,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159042563] [2025-03-15 01:06:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:35,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:35,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:35,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:35,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:35,105 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:35,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 745 transitions, 15067 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:35,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:35,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:35,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:36,206 INFO L124 PetriNetUnfolderBase]: 731/2154 cut-off events. [2025-03-15 01:06:36,207 INFO L125 PetriNetUnfolderBase]: For 12495/12601 co-relation queries the response was YES. [2025-03-15 01:06:36,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18439 conditions, 2154 events. 731/2154 cut-off events. For 12495/12601 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 15779 event pairs, 43 based on Foata normal form. 8/2043 useless extension candidates. Maximal degree in co-relation 17982. Up to 1294 conditions per place. [2025-03-15 01:06:36,222 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 350 selfloop transitions, 182 changer transitions 254/819 dead transitions. [2025-03-15 01:06:36,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 819 transitions, 18191 flow [2025-03-15 01:06:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:06:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:06:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 948 transitions. [2025-03-15 01:06:36,224 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5984848484848485 [2025-03-15 01:06:36,224 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 154 predicate places. [2025-03-15 01:06:36,224 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 819 transitions, 18191 flow [2025-03-15 01:06:36,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:36,225 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:36,225 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:36,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 01:06:36,225 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:36,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 351021107, now seen corresponding path program 8 times [2025-03-15 01:06:36,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:36,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001662297] [2025-03-15 01:06:36,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:06:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:36,239 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:36,239 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:36,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:36,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:36,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001662297] [2025-03-15 01:06:36,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001662297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:36,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:36,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:36,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506266797] [2025-03-15 01:06:36,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:36,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:36,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:36,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:36,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:36,657 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:36,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 819 transitions, 18191 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:36,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:36,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:36,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:37,565 INFO L124 PetriNetUnfolderBase]: 784/2233 cut-off events. [2025-03-15 01:06:37,565 INFO L125 PetriNetUnfolderBase]: For 17161/17275 co-relation queries the response was YES. [2025-03-15 01:06:37,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21154 conditions, 2233 events. 784/2233 cut-off events. For 17161/17275 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 16199 event pairs, 44 based on Foata normal form. 8/2116 useless extension candidates. Maximal degree in co-relation 20667. Up to 1389 conditions per place. [2025-03-15 01:06:37,581 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 372 selfloop transitions, 178 changer transitions 296/879 dead transitions. [2025-03-15 01:06:37,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 879 transitions, 21265 flow [2025-03-15 01:06:37,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:06:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:06:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 936 transitions. [2025-03-15 01:06:37,587 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5909090909090909 [2025-03-15 01:06:37,588 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 171 predicate places. [2025-03-15 01:06:37,588 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 879 transitions, 21265 flow [2025-03-15 01:06:37,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:37,588 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:37,588 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:37,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 01:06:37,588 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:37,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:37,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1390668021, now seen corresponding path program 9 times [2025-03-15 01:06:37,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:37,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748335491] [2025-03-15 01:06:37,589 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:06:37,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:37,601 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:06:37,602 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:38,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:38,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748335491] [2025-03-15 01:06:38,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748335491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:38,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:38,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:38,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977104838] [2025-03-15 01:06:38,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:38,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:38,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:38,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:38,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:38,036 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:38,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 879 transitions, 21265 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:38,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:38,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:38,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:39,080 INFO L124 PetriNetUnfolderBase]: 796/2269 cut-off events. [2025-03-15 01:06:39,081 INFO L125 PetriNetUnfolderBase]: For 21735/21857 co-relation queries the response was YES. [2025-03-15 01:06:39,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23113 conditions, 2269 events. 796/2269 cut-off events. For 21735/21857 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 16602 event pairs, 26 based on Foata normal form. 8/2152 useless extension candidates. Maximal degree in co-relation 22596. Up to 1415 conditions per place. [2025-03-15 01:06:39,093 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 378 selfloop transitions, 183 changer transitions 314/908 dead transitions. [2025-03-15 01:06:39,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 908 transitions, 23719 flow [2025-03-15 01:06:39,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:06:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:06:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1035 transitions. [2025-03-15 01:06:39,095 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5880681818181818 [2025-03-15 01:06:39,095 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 190 predicate places. [2025-03-15 01:06:39,095 INFO L471 AbstractCegarLoop]: Abstraction has has 279 places, 908 transitions, 23719 flow [2025-03-15 01:06:39,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:39,095 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:39,096 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:39,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-15 01:06:39,096 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:39,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:39,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2114455335, now seen corresponding path program 10 times [2025-03-15 01:06:39,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:39,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595678965] [2025-03-15 01:06:39,096 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:06:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:39,106 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:06:39,106 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:39,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:39,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:39,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595678965] [2025-03-15 01:06:39,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595678965] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:39,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:39,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:39,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530299735] [2025-03-15 01:06:39,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:39,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:39,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:39,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:39,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:39,473 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:39,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 908 transitions, 23719 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:39,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:39,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:39,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:40,423 INFO L124 PetriNetUnfolderBase]: 841/2494 cut-off events. [2025-03-15 01:06:40,423 INFO L125 PetriNetUnfolderBase]: For 24636/24766 co-relation queries the response was YES. [2025-03-15 01:06:40,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26116 conditions, 2494 events. 841/2494 cut-off events. For 24636/24766 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 19369 event pairs, 53 based on Foata normal form. 8/2371 useless extension candidates. Maximal degree in co-relation 25569. Up to 1499 conditions per place. [2025-03-15 01:06:40,443 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 373 selfloop transitions, 227 changer transitions 336/969 dead transitions. [2025-03-15 01:06:40,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 969 transitions, 27245 flow [2025-03-15 01:06:40,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:06:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:06:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1003 transitions. [2025-03-15 01:06:40,445 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5998803827751196 [2025-03-15 01:06:40,446 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 208 predicate places. [2025-03-15 01:06:40,446 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 969 transitions, 27245 flow [2025-03-15 01:06:40,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:40,446 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:40,446 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:40,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-15 01:06:40,446 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:40,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:40,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1684544177, now seen corresponding path program 11 times [2025-03-15 01:06:40,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:40,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347723420] [2025-03-15 01:06:40,447 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:06:40,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:40,459 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:40,460 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:40,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:40,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347723420] [2025-03-15 01:06:40,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347723420] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:40,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:40,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:40,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293498606] [2025-03-15 01:06:40,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:40,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:40,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:40,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:40,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:40,826 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:40,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 969 transitions, 27245 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:40,826 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:40,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:40,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:41,707 INFO L124 PetriNetUnfolderBase]: 904/2651 cut-off events. [2025-03-15 01:06:41,707 INFO L125 PetriNetUnfolderBase]: For 31151/31243 co-relation queries the response was YES. [2025-03-15 01:06:41,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29643 conditions, 2651 events. 904/2651 cut-off events. For 31151/31243 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 20860 event pairs, 86 based on Foata normal form. 6/2522 useless extension candidates. Maximal degree in co-relation 29066. Up to 1611 conditions per place. [2025-03-15 01:06:41,723 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 413 selfloop transitions, 208 changer transitions 394/1048 dead transitions. [2025-03-15 01:06:41,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 1048 transitions, 31579 flow [2025-03-15 01:06:41,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:06:41,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:06:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1084 transitions. [2025-03-15 01:06:41,724 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5865800865800865 [2025-03-15 01:06:41,725 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 228 predicate places. [2025-03-15 01:06:41,725 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 1048 transitions, 31579 flow [2025-03-15 01:06:41,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:41,725 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:41,725 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:41,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 01:06:41,725 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:41,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:41,726 INFO L85 PathProgramCache]: Analyzing trace with hash 640412751, now seen corresponding path program 1 times [2025-03-15 01:06:41,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:41,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210201469] [2025-03-15 01:06:41,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:41,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:42,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:42,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210201469] [2025-03-15 01:06:42,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210201469] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:42,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:42,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:42,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887682984] [2025-03-15 01:06:42,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:42,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:42,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:42,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:42,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:42,159 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:06:42,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 1048 transitions, 31579 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:42,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:42,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:06:42,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:43,330 INFO L124 PetriNetUnfolderBase]: 1137/3261 cut-off events. [2025-03-15 01:06:43,330 INFO L125 PetriNetUnfolderBase]: For 41530/41704 co-relation queries the response was YES. [2025-03-15 01:06:43,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40054 conditions, 3261 events. 1137/3261 cut-off events. For 41530/41704 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 26152 event pairs, 76 based on Foata normal form. 6/3078 useless extension candidates. Maximal degree in co-relation 39433. Up to 2015 conditions per place. [2025-03-15 01:06:43,352 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 573 selfloop transitions, 240 changer transitions 399/1242 dead transitions. [2025-03-15 01:06:43,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 1242 transitions, 40123 flow [2025-03-15 01:06:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:06:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:06:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 801 transitions. [2025-03-15 01:06:43,354 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6068181818181818 [2025-03-15 01:06:43,354 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 242 predicate places. [2025-03-15 01:06:43,354 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 1242 transitions, 40123 flow [2025-03-15 01:06:43,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:43,354 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:43,355 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:43,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-15 01:06:43,355 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:43,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2072040543, now seen corresponding path program 12 times [2025-03-15 01:06:43,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:43,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269985593] [2025-03-15 01:06:43,355 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:06:43,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:43,373 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:06:43,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:43,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:43,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269985593] [2025-03-15 01:06:43,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269985593] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:43,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:43,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:43,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286645879] [2025-03-15 01:06:43,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:43,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:43,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:43,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:43,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:43,878 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:43,878 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 1242 transitions, 40123 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:43,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:43,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:43,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:45,506 INFO L124 PetriNetUnfolderBase]: 1204/3446 cut-off events. [2025-03-15 01:06:45,507 INFO L125 PetriNetUnfolderBase]: For 50239/50433 co-relation queries the response was YES. [2025-03-15 01:06:45,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44471 conditions, 3446 events. 1204/3446 cut-off events. For 50239/50433 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 28089 event pairs, 67 based on Foata normal form. 8/3259 useless extension candidates. Maximal degree in co-relation 43820. Up to 2127 conditions per place. [2025-03-15 01:06:45,531 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 551 selfloop transitions, 301 changer transitions 433/1324 dead transitions. [2025-03-15 01:06:45,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1324 transitions, 45411 flow [2025-03-15 01:06:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:06:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:06:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1115 transitions. [2025-03-15 01:06:45,533 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6335227272727273 [2025-03-15 01:06:45,534 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 261 predicate places. [2025-03-15 01:06:45,534 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 1324 transitions, 45411 flow [2025-03-15 01:06:45,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:45,534 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:45,534 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:45,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-15 01:06:45,534 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:45,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1001026785, now seen corresponding path program 13 times [2025-03-15 01:06:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:45,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051982428] [2025-03-15 01:06:45,535 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:06:45,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:45,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:45,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051982428] [2025-03-15 01:06:45,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051982428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:45,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:45,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:45,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607997068] [2025-03-15 01:06:45,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:45,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:45,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:45,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:45,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:45,925 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:45,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 1324 transitions, 45411 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:45,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:45,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:45,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:47,334 INFO L124 PetriNetUnfolderBase]: 1241/3581 cut-off events. [2025-03-15 01:06:47,334 INFO L125 PetriNetUnfolderBase]: For 58132/58336 co-relation queries the response was YES. [2025-03-15 01:06:47,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48263 conditions, 3581 events. 1241/3581 cut-off events. For 58132/58336 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 29767 event pairs, 100 based on Foata normal form. 10/3391 useless extension candidates. Maximal degree in co-relation 47582. Up to 2195 conditions per place. [2025-03-15 01:06:47,361 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 620 selfloop transitions, 261 changer transitions 453/1373 dead transitions. [2025-03-15 01:06:47,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 1373 transitions, 49777 flow [2025-03-15 01:06:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:06:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:06:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1135 transitions. [2025-03-15 01:06:47,363 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5862603305785123 [2025-03-15 01:06:47,363 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 282 predicate places. [2025-03-15 01:06:47,363 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 1373 transitions, 49777 flow [2025-03-15 01:06:47,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:47,364 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:47,364 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:47,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-15 01:06:47,364 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:47,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:47,364 INFO L85 PathProgramCache]: Analyzing trace with hash -384954751, now seen corresponding path program 14 times [2025-03-15 01:06:47,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:47,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566732323] [2025-03-15 01:06:47,364 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:06:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:47,374 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:47,374 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:47,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:47,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:47,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566732323] [2025-03-15 01:06:47,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566732323] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:47,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:47,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:47,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977925764] [2025-03-15 01:06:47,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:47,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:47,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:47,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:47,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:47,732 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:47,732 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 1373 transitions, 49777 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:47,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:47,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:47,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:49,211 INFO L124 PetriNetUnfolderBase]: 1300/3675 cut-off events. [2025-03-15 01:06:49,212 INFO L125 PetriNetUnfolderBase]: For 68400/68616 co-relation queries the response was YES. [2025-03-15 01:06:49,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52869 conditions, 3675 events. 1300/3675 cut-off events. For 68400/68616 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 30313 event pairs, 79 based on Foata normal form. 10/3478 useless extension candidates. Maximal degree in co-relation 52158. Up to 2300 conditions per place. [2025-03-15 01:06:49,244 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 638 selfloop transitions, 282 changer transitions 487/1446 dead transitions. [2025-03-15 01:06:49,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 1446 transitions, 55293 flow [2025-03-15 01:06:49,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:06:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:06:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1146 transitions. [2025-03-15 01:06:49,245 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5919421487603306 [2025-03-15 01:06:49,246 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 303 predicate places. [2025-03-15 01:06:49,246 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 1446 transitions, 55293 flow [2025-03-15 01:06:49,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:49,246 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:49,246 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:49,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-15 01:06:49,247 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:49,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash -89257589, now seen corresponding path program 15 times [2025-03-15 01:06:49,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:49,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539295720] [2025-03-15 01:06:49,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:06:49,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:49,259 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:06:49,259 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:49,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:49,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539295720] [2025-03-15 01:06:49,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539295720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:49,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:49,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:49,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958981509] [2025-03-15 01:06:49,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:49,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:49,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:49,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:49,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:49,670 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:49,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 1446 transitions, 55293 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:49,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:49,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:49,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:51,238 INFO L124 PetriNetUnfolderBase]: 1325/3779 cut-off events. [2025-03-15 01:06:51,238 INFO L125 PetriNetUnfolderBase]: For 79922/80100 co-relation queries the response was YES. [2025-03-15 01:06:51,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56508 conditions, 3779 events. 1325/3779 cut-off events. For 79922/80100 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 31702 event pairs, 98 based on Foata normal form. 10/3582 useless extension candidates. Maximal degree in co-relation 55767. Up to 2348 conditions per place. [2025-03-15 01:06:51,267 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 648 selfloop transitions, 295 changer transitions 521/1503 dead transitions. [2025-03-15 01:06:51,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 1503 transitions, 60447 flow [2025-03-15 01:06:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:06:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:06:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1155 transitions. [2025-03-15 01:06:51,269 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5965909090909091 [2025-03-15 01:06:51,269 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 324 predicate places. [2025-03-15 01:06:51,269 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 1503 transitions, 60447 flow [2025-03-15 01:06:51,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:51,269 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:51,269 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:51,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-15 01:06:51,270 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:51,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1864383623, now seen corresponding path program 16 times [2025-03-15 01:06:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:51,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094222204] [2025-03-15 01:06:51,270 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:06:51,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:51,279 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:06:51,279 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:51,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:51,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:51,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094222204] [2025-03-15 01:06:51,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094222204] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:51,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:51,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:51,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977933669] [2025-03-15 01:06:51,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:51,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:51,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:51,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:51,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:51,595 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:06:51,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 1503 transitions, 60447 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:51,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:51,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:06:51,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:54,049 INFO L124 PetriNetUnfolderBase]: 1836/5303 cut-off events. [2025-03-15 01:06:54,050 INFO L125 PetriNetUnfolderBase]: For 104504/104764 co-relation queries the response was YES. [2025-03-15 01:06:54,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83221 conditions, 5303 events. 1836/5303 cut-off events. For 104504/104764 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 47906 event pairs, 144 based on Foata normal form. 7/4991 useless extension candidates. Maximal degree in co-relation 82427. Up to 3228 conditions per place. [2025-03-15 01:06:54,088 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 918 selfloop transitions, 399 changer transitions 564/1920 dead transitions. [2025-03-15 01:06:54,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 1920 transitions, 81901 flow [2025-03-15 01:06:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-15 01:06:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-15 01:06:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1297 transitions. [2025-03-15 01:06:54,090 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6408102766798419 [2025-03-15 01:06:54,090 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 346 predicate places. [2025-03-15 01:06:54,090 INFO L471 AbstractCegarLoop]: Abstraction has has 435 places, 1920 transitions, 81901 flow [2025-03-15 01:06:54,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:54,091 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:54,091 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:54,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-15 01:06:54,091 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:54,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:54,091 INFO L85 PathProgramCache]: Analyzing trace with hash 341570865, now seen corresponding path program 2 times [2025-03-15 01:06:54,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:54,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275340096] [2025-03-15 01:06:54,091 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:06:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:54,105 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:54,106 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:54,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:54,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275340096] [2025-03-15 01:06:54,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275340096] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:54,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:54,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:54,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284426580] [2025-03-15 01:06:54,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:54,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:54,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:54,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:54,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:54,441 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:06:54,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 1920 transitions, 81901 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:54,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:54,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:06:54,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:57,255 INFO L124 PetriNetUnfolderBase]: 1843/5285 cut-off events. [2025-03-15 01:06:57,255 INFO L125 PetriNetUnfolderBase]: For 114289/114580 co-relation queries the response was YES. [2025-03-15 01:06:57,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87294 conditions, 5285 events. 1843/5285 cut-off events. For 114289/114580 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 47352 event pairs, 112 based on Foata normal form. 4/4971 useless extension candidates. Maximal degree in co-relation 86466. Up to 3238 conditions per place. [2025-03-15 01:06:57,312 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 952 selfloop transitions, 399 changer transitions 564/1945 dead transitions. [2025-03-15 01:06:57,312 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 1945 transitions, 86527 flow [2025-03-15 01:06:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:06:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:06:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 811 transitions. [2025-03-15 01:06:57,314 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6143939393939394 [2025-03-15 01:06:57,314 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 360 predicate places. [2025-03-15 01:06:57,314 INFO L471 AbstractCegarLoop]: Abstraction has has 449 places, 1945 transitions, 86527 flow [2025-03-15 01:06:57,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:57,314 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:57,314 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:57,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-15 01:06:57,314 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:06:57,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:57,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1807428239, now seen corresponding path program 3 times [2025-03-15 01:06:57,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:57,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115598422] [2025-03-15 01:06:57,315 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:06:57,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:57,326 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:06:57,327 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:06:57,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:57,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115598422] [2025-03-15 01:06:57,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115598422] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:57,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:57,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:06:57,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586037470] [2025-03-15 01:06:57,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:57,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:06:57,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:57,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:06:57,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:06:57,681 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:06:57,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 1945 transitions, 86527 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:06:57,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:57,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:06:57,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:00,512 INFO L124 PetriNetUnfolderBase]: 1858/5367 cut-off events. [2025-03-15 01:07:00,513 INFO L125 PetriNetUnfolderBase]: For 120517/120836 co-relation queries the response was YES. [2025-03-15 01:07:00,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91941 conditions, 5367 events. 1858/5367 cut-off events. For 120517/120836 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 48626 event pairs, 155 based on Foata normal form. 6/5054 useless extension candidates. Maximal degree in co-relation 91083. Up to 3262 conditions per place. [2025-03-15 01:07:00,557 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1156 selfloop transitions, 233 changer transitions 564/1983 dead transitions. [2025-03-15 01:07:00,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 1983 transitions, 91987 flow [2025-03-15 01:07:00,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:07:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:07:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 929 transitions. [2025-03-15 01:07:00,559 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6209893048128342 [2025-03-15 01:07:00,559 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 376 predicate places. [2025-03-15 01:07:00,559 INFO L471 AbstractCegarLoop]: Abstraction has has 465 places, 1983 transitions, 91987 flow [2025-03-15 01:07:00,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:00,560 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:00,560 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:00,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-15 01:07:00,560 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:00,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:00,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1423914487, now seen corresponding path program 17 times [2025-03-15 01:07:00,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:00,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449261153] [2025-03-15 01:07:00,560 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:07:00,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:00,572 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:07:00,572 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:00,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:00,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449261153] [2025-03-15 01:07:00,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449261153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:00,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:00,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:00,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023155841] [2025-03-15 01:07:00,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:00,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:00,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:00,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:00,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:00,985 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:07:00,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 1983 transitions, 91987 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:00,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:00,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:07:00,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:04,398 INFO L124 PetriNetUnfolderBase]: 1925/5385 cut-off events. [2025-03-15 01:07:04,399 INFO L125 PetriNetUnfolderBase]: For 140426/140814 co-relation queries the response was YES. [2025-03-15 01:07:04,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98437 conditions, 5385 events. 1925/5385 cut-off events. For 140426/140814 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 47783 event pairs, 96 based on Foata normal form. 7/5066 useless extension candidates. Maximal degree in co-relation 97547. Up to 3375 conditions per place. [2025-03-15 01:07:04,468 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1023 selfloop transitions, 408 changer transitions 600/2079 dead transitions. [2025-03-15 01:07:04,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 2079 transitions, 100597 flow [2025-03-15 01:07:04,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-15 01:07:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-15 01:07:04,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 1365 transitions. [2025-03-15 01:07:04,470 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6204545454545455 [2025-03-15 01:07:04,470 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 400 predicate places. [2025-03-15 01:07:04,470 INFO L471 AbstractCegarLoop]: Abstraction has has 489 places, 2079 transitions, 100597 flow [2025-03-15 01:07:04,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:04,470 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:04,471 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:04,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-15 01:07:04,471 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:04,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:04,471 INFO L85 PathProgramCache]: Analyzing trace with hash 414481935, now seen corresponding path program 4 times [2025-03-15 01:07:04,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:04,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542531881] [2025-03-15 01:07:04,471 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:07:04,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:04,482 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:07:04,482 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:04,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:04,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:04,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542531881] [2025-03-15 01:07:04,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542531881] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:04,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:04,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:04,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597428997] [2025-03-15 01:07:04,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:04,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:04,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:04,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:04,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:04,881 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:07:04,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 2079 transitions, 100597 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:04,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:04,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:07:04,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:07,997 INFO L124 PetriNetUnfolderBase]: 1937/5474 cut-off events. [2025-03-15 01:07:07,997 INFO L125 PetriNetUnfolderBase]: For 152211/152632 co-relation queries the response was YES. [2025-03-15 01:07:08,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103048 conditions, 5474 events. 1937/5474 cut-off events. For 152211/152632 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 49054 event pairs, 100 based on Foata normal form. 4/5153 useless extension candidates. Maximal degree in co-relation 102126. Up to 3392 conditions per place. [2025-03-15 01:07:08,066 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1022 selfloop transitions, 446 changer transitions 600/2098 dead transitions. [2025-03-15 01:07:08,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 504 places, 2098 transitions, 105561 flow [2025-03-15 01:07:08,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:07:08,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:07:08,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 858 transitions. [2025-03-15 01:07:08,072 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.609375 [2025-03-15 01:07:08,072 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 415 predicate places. [2025-03-15 01:07:08,072 INFO L471 AbstractCegarLoop]: Abstraction has has 504 places, 2098 transitions, 105561 flow [2025-03-15 01:07:08,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:08,072 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:08,073 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:08,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-15 01:07:08,073 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:08,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:08,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1850223887, now seen corresponding path program 5 times [2025-03-15 01:07:08,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:08,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832668595] [2025-03-15 01:07:08,073 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:07:08,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:08,087 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:07:08,087 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:08,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:08,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:08,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832668595] [2025-03-15 01:07:08,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832668595] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:08,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:08,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:08,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137533298] [2025-03-15 01:07:08,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:08,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:08,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:08,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:08,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:08,464 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:07:08,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 2098 transitions, 105561 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:08,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:08,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:07:08,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:11,679 INFO L124 PetriNetUnfolderBase]: 1935/5474 cut-off events. [2025-03-15 01:07:11,680 INFO L125 PetriNetUnfolderBase]: For 163520/163977 co-relation queries the response was YES. [2025-03-15 01:07:11,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106989 conditions, 5474 events. 1935/5474 cut-off events. For 163520/163977 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 49113 event pairs, 144 based on Foata normal form. 4/5155 useless extension candidates. Maximal degree in co-relation 106035. Up to 3388 conditions per place. [2025-03-15 01:07:11,749 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1226 selfloop transitions, 254 changer transitions 600/2110 dead transitions. [2025-03-15 01:07:11,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 520 places, 2110 transitions, 110195 flow [2025-03-15 01:07:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:07:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:07:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 908 transitions. [2025-03-15 01:07:11,751 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.606951871657754 [2025-03-15 01:07:11,751 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 431 predicate places. [2025-03-15 01:07:11,751 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 2110 transitions, 110195 flow [2025-03-15 01:07:11,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:11,751 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:11,751 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:11,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-15 01:07:11,752 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:11,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash 155307279, now seen corresponding path program 6 times [2025-03-15 01:07:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:11,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962679589] [2025-03-15 01:07:11,752 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:07:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:11,761 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:07:11,761 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:12,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962679589] [2025-03-15 01:07:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962679589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:12,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:12,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:12,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845995752] [2025-03-15 01:07:12,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:12,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:12,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:12,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:12,116 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:07:12,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 520 places, 2110 transitions, 110195 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:12,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:12,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:07:12,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:15,451 INFO L124 PetriNetUnfolderBase]: 1951/5536 cut-off events. [2025-03-15 01:07:15,451 INFO L125 PetriNetUnfolderBase]: For 172793/173336 co-relation queries the response was YES. [2025-03-15 01:07:15,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111857 conditions, 5536 events. 1951/5536 cut-off events. For 172793/173336 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 49957 event pairs, 156 based on Foata normal form. 4/5216 useless extension candidates. Maximal degree in co-relation 110871. Up to 3411 conditions per place. [2025-03-15 01:07:15,611 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1129 selfloop transitions, 384 changer transitions 600/2143 dead transitions. [2025-03-15 01:07:15,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 535 places, 2143 transitions, 116089 flow [2025-03-15 01:07:15,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:07:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:07:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 854 transitions. [2025-03-15 01:07:15,613 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6065340909090909 [2025-03-15 01:07:15,613 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 446 predicate places. [2025-03-15 01:07:15,613 INFO L471 AbstractCegarLoop]: Abstraction has has 535 places, 2143 transitions, 116089 flow [2025-03-15 01:07:15,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:15,613 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:15,613 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:15,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-15 01:07:15,613 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1844657559, now seen corresponding path program 18 times [2025-03-15 01:07:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:15,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419156146] [2025-03-15 01:07:15,614 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:07:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:15,622 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:07:15,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:15,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:15,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419156146] [2025-03-15 01:07:15,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419156146] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:15,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:15,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:15,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448613624] [2025-03-15 01:07:15,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:15,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:15,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:15,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:15,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:15,922 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:07:15,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 535 places, 2143 transitions, 116089 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:15,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:15,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:07:15,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:19,761 INFO L124 PetriNetUnfolderBase]: 2010/5701 cut-off events. [2025-03-15 01:07:19,761 INFO L125 PetriNetUnfolderBase]: For 193140/193606 co-relation queries the response was YES. [2025-03-15 01:07:19,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 118930 conditions, 5701 events. 2010/5701 cut-off events. For 193140/193606 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 51857 event pairs, 148 based on Foata normal form. 7/5378 useless extension candidates. Maximal degree in co-relation 117914. Up to 3515 conditions per place. [2025-03-15 01:07:19,825 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1151 selfloop transitions, 384 changer transitions 636/2226 dead transitions. [2025-03-15 01:07:19,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 2226 transitions, 125003 flow [2025-03-15 01:07:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-15 01:07:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-15 01:07:19,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 1299 transitions. [2025-03-15 01:07:19,827 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5904545454545455 [2025-03-15 01:07:19,827 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 470 predicate places. [2025-03-15 01:07:19,827 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 2226 transitions, 125003 flow [2025-03-15 01:07:19,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:19,827 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:19,827 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:19,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-15 01:07:19,827 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:19,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:19,828 INFO L85 PathProgramCache]: Analyzing trace with hash -2084129375, now seen corresponding path program 19 times [2025-03-15 01:07:19,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:19,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538784696] [2025-03-15 01:07:19,828 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:07:19,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:07:20,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:20,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:20,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538784696] [2025-03-15 01:07:20,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538784696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:20,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:20,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:20,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012097904] [2025-03-15 01:07:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:20,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:20,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:20,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:20,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:20,195 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:07:20,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 2226 transitions, 125003 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:20,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:20,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:07:20,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:24,100 INFO L124 PetriNetUnfolderBase]: 2047/5776 cut-off events. [2025-03-15 01:07:24,100 INFO L125 PetriNetUnfolderBase]: For 213798/214283 co-relation queries the response was YES. [2025-03-15 01:07:24,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125038 conditions, 5776 events. 2047/5776 cut-off events. For 213798/214283 co-relation queries the response was YES. Maximal size of possible extension queue 290. Compared 52553 event pairs, 133 based on Foata normal form. 7/5448 useless extension candidates. Maximal degree in co-relation 123992. Up to 3583 conditions per place. [2025-03-15 01:07:24,165 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1176 selfloop transitions, 388 changer transitions 656/2275 dead transitions. [2025-03-15 01:07:24,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 2275 transitions, 132219 flow [2025-03-15 01:07:24,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-15 01:07:24,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-15 01:07:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 1278 transitions. [2025-03-15 01:07:24,167 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5809090909090909 [2025-03-15 01:07:24,167 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 494 predicate places. [2025-03-15 01:07:24,167 INFO L471 AbstractCegarLoop]: Abstraction has has 583 places, 2275 transitions, 132219 flow [2025-03-15 01:07:24,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:24,167 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:24,168 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:24,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-15 01:07:24,168 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:24,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:24,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1959741105, now seen corresponding path program 7 times [2025-03-15 01:07:24,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:24,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059038219] [2025-03-15 01:07:24,168 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:07:24,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:07:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:24,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:24,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059038219] [2025-03-15 01:07:24,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059038219] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:24,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:24,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:24,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688188036] [2025-03-15 01:07:24,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:24,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:24,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:24,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:24,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:24,494 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:07:24,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 583 places, 2275 transitions, 132219 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:24,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:24,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:07:24,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:28,441 INFO L124 PetriNetUnfolderBase]: 2050/5759 cut-off events. [2025-03-15 01:07:28,441 INFO L125 PetriNetUnfolderBase]: For 229697/230221 co-relation queries the response was YES. [2025-03-15 01:07:28,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129348 conditions, 5759 events. 2050/5759 cut-off events. For 229697/230221 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 52143 event pairs, 131 based on Foata normal form. 4/5431 useless extension candidates. Maximal degree in co-relation 128270. Up to 3584 conditions per place. [2025-03-15 01:07:28,529 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1105 selfloop transitions, 493 changer transitions 656/2284 dead transitions. [2025-03-15 01:07:28,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 598 places, 2284 transitions, 137135 flow [2025-03-15 01:07:28,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:07:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:07:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 856 transitions. [2025-03-15 01:07:28,530 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6079545454545454 [2025-03-15 01:07:28,531 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 509 predicate places. [2025-03-15 01:07:28,531 INFO L471 AbstractCegarLoop]: Abstraction has has 598 places, 2284 transitions, 137135 flow [2025-03-15 01:07:28,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:28,531 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:28,531 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:28,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-15 01:07:28,531 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:28,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:28,532 INFO L85 PathProgramCache]: Analyzing trace with hash 824856385, now seen corresponding path program 20 times [2025-03-15 01:07:28,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:28,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288876599] [2025-03-15 01:07:28,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:07:28,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:28,541 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:07:28,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:28,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:28,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288876599] [2025-03-15 01:07:28,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288876599] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:28,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:28,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:28,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178631826] [2025-03-15 01:07:28,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:28,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:28,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:28,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:28,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:28,877 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:07:28,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 2284 transitions, 137135 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:28,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:28,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:07:28,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:33,107 INFO L124 PetriNetUnfolderBase]: 2075/5832 cut-off events. [2025-03-15 01:07:33,107 INFO L125 PetriNetUnfolderBase]: For 252404/252951 co-relation queries the response was YES. [2025-03-15 01:07:33,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134958 conditions, 5832 events. 2075/5832 cut-off events. For 252404/252951 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 53055 event pairs, 98 based on Foata normal form. 7/5505 useless extension candidates. Maximal degree in co-relation 133850. Up to 3631 conditions per place. [2025-03-15 01:07:33,179 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1187 selfloop transitions, 399 changer transitions 688/2331 dead transitions. [2025-03-15 01:07:33,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 622 places, 2331 transitions, 144547 flow [2025-03-15 01:07:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-15 01:07:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-15 01:07:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 1289 transitions. [2025-03-15 01:07:33,180 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5859090909090909 [2025-03-15 01:07:33,181 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 533 predicate places. [2025-03-15 01:07:33,181 INFO L471 AbstractCegarLoop]: Abstraction has has 622 places, 2331 transitions, 144547 flow [2025-03-15 01:07:33,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:33,181 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:33,181 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:33,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-15 01:07:33,181 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:33,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:33,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1538500125, now seen corresponding path program 21 times [2025-03-15 01:07:33,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:33,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196976652] [2025-03-15 01:07:33,182 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:07:33,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:33,191 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:07:33,191 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:33,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:33,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196976652] [2025-03-15 01:07:33,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196976652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:33,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:33,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:33,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807009185] [2025-03-15 01:07:33,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:33,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:33,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:33,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:33,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:33,525 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:07:33,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 2331 transitions, 144547 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:33,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:33,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:07:33,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:39,427 INFO L124 PetriNetUnfolderBase]: 2599/7355 cut-off events. [2025-03-15 01:07:39,427 INFO L125 PetriNetUnfolderBase]: For 307839/308532 co-relation queries the response was YES. [2025-03-15 01:07:39,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175933 conditions, 7355 events. 2599/7355 cut-off events. For 307839/308532 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 70250 event pairs, 135 based on Foata normal form. 4/6913 useless extension candidates. Maximal degree in co-relation 174772. Up to 4527 conditions per place. [2025-03-15 01:07:39,518 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1458 selfloop transitions, 520 changer transitions 732/2767 dead transitions. [2025-03-15 01:07:39,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 2767 transitions, 177975 flow [2025-03-15 01:07:39,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-15 01:07:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2025-03-15 01:07:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 1545 transitions. [2025-03-15 01:07:39,520 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6270292207792207 [2025-03-15 01:07:39,521 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 560 predicate places. [2025-03-15 01:07:39,521 INFO L471 AbstractCegarLoop]: Abstraction has has 649 places, 2767 transitions, 177975 flow [2025-03-15 01:07:39,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:39,521 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:39,521 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:39,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-15 01:07:39,521 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:39,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:39,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1005743143, now seen corresponding path program 22 times [2025-03-15 01:07:39,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:39,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564895238] [2025-03-15 01:07:39,522 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:07:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:39,531 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:07:39,531 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:39,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:39,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564895238] [2025-03-15 01:07:39,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564895238] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:39,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:39,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871849735] [2025-03-15 01:07:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:39,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:39,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:39,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:39,834 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:07:39,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 649 places, 2767 transitions, 177975 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:39,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:39,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:07:39,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:46,675 INFO L124 PetriNetUnfolderBase]: 2623/7339 cut-off events. [2025-03-15 01:07:46,675 INFO L125 PetriNetUnfolderBase]: For 341071/341888 co-relation queries the response was YES. [2025-03-15 01:07:46,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182379 conditions, 7339 events. 2623/7339 cut-off events. For 341071/341888 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 69467 event pairs, 123 based on Foata normal form. 4/6897 useless extension candidates. Maximal degree in co-relation 181188. Up to 4567 conditions per place. [2025-03-15 01:07:46,772 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1502 selfloop transitions, 522 changer transitions 777/2858 dead transitions. [2025-03-15 01:07:46,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 672 places, 2858 transitions, 189541 flow [2025-03-15 01:07:46,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-15 01:07:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-03-15 01:07:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 1322 transitions. [2025-03-15 01:07:46,773 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6259469696969697 [2025-03-15 01:07:46,773 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 583 predicate places. [2025-03-15 01:07:46,773 INFO L471 AbstractCegarLoop]: Abstraction has has 672 places, 2858 transitions, 189541 flow [2025-03-15 01:07:46,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:46,774 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:46,774 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:46,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-15 01:07:46,774 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:46,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:46,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1206490905, now seen corresponding path program 8 times [2025-03-15 01:07:46,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:46,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664211094] [2025-03-15 01:07:46,775 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:07:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:46,788 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:07:46,788 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:47,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:47,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664211094] [2025-03-15 01:07:47,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664211094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:47,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:47,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:47,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485696816] [2025-03-15 01:07:47,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:47,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:47,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:47,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:47,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:47,366 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:07:47,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 672 places, 2858 transitions, 189541 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:47,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:47,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:07:47,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:54,384 INFO L124 PetriNetUnfolderBase]: 2632/7382 cut-off events. [2025-03-15 01:07:54,384 INFO L125 PetriNetUnfolderBase]: For 356141/356949 co-relation queries the response was YES. [2025-03-15 01:07:54,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188399 conditions, 7382 events. 2632/7382 cut-off events. For 356141/356949 co-relation queries the response was YES. Maximal size of possible extension queue 347. Compared 70141 event pairs, 131 based on Foata normal form. 1/6937 useless extension candidates. Maximal degree in co-relation 187176. Up to 4575 conditions per place. [2025-03-15 01:07:54,653 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1431 selfloop transitions, 658 changer transitions 777/2896 dead transitions. [2025-03-15 01:07:54,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 685 places, 2896 transitions, 197503 flow [2025-03-15 01:07:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-15 01:07:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-15 01:07:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 744 transitions. [2025-03-15 01:07:54,655 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6038961038961039 [2025-03-15 01:07:54,655 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 596 predicate places. [2025-03-15 01:07:54,655 INFO L471 AbstractCegarLoop]: Abstraction has has 685 places, 2896 transitions, 197503 flow [2025-03-15 01:07:54,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:54,655 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:54,656 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:07:54,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-15 01:07:54,656 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:07:54,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:54,656 INFO L85 PathProgramCache]: Analyzing trace with hash -363696625, now seen corresponding path program 9 times [2025-03-15 01:07:54,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:54,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168838270] [2025-03-15 01:07:54,656 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:07:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:54,665 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:07:54,665 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:07:55,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:55,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168838270] [2025-03-15 01:07:55,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168838270] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:55,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:55,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:07:55,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146190036] [2025-03-15 01:07:55,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:55,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:07:55,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:55,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:07:55,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:07:55,026 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:07:55,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 685 places, 2896 transitions, 197503 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:07:55,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:55,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:07:55,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:03,076 INFO L124 PetriNetUnfolderBase]: 2647/7402 cut-off events. [2025-03-15 01:08:03,077 INFO L125 PetriNetUnfolderBase]: For 373592/374467 co-relation queries the response was YES. [2025-03-15 01:08:03,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194988 conditions, 7402 events. 2647/7402 cut-off events. For 373592/374467 co-relation queries the response was YES. Maximal size of possible extension queue 346. Compared 70244 event pairs, 124 based on Foata normal form. 3/6959 useless extension candidates. Maximal degree in co-relation 193734. Up to 4600 conditions per place. [2025-03-15 01:08:03,176 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1780 selfloop transitions, 342 changer transitions 777/2929 dead transitions. [2025-03-15 01:08:03,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 2929 transitions, 205275 flow [2025-03-15 01:08:03,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:08:03,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:08:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 963 transitions. [2025-03-15 01:08:03,178 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6079545454545454 [2025-03-15 01:08:03,179 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 613 predicate places. [2025-03-15 01:08:03,179 INFO L471 AbstractCegarLoop]: Abstraction has has 702 places, 2929 transitions, 205275 flow [2025-03-15 01:08:03,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:03,179 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:03,179 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:08:03,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-15 01:08:03,180 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:08:03,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:03,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2119152001, now seen corresponding path program 23 times [2025-03-15 01:08:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:03,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052719594] [2025-03-15 01:08:03,181 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:08:03,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:03,193 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:08:03,194 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:08:03,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:03,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052719594] [2025-03-15 01:08:03,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052719594] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:03,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:03,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:08:03,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930760034] [2025-03-15 01:08:03,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:03,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:08:03,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:03,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:08:03,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:08:03,509 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:08:03,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 2929 transitions, 205275 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:03,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:03,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:08:03,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:11,842 INFO L124 PetriNetUnfolderBase]: 2714/7500 cut-off events. [2025-03-15 01:08:11,842 INFO L125 PetriNetUnfolderBase]: For 410931/411934 co-relation queries the response was YES. [2025-03-15 01:08:11,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204507 conditions, 7500 events. 2714/7500 cut-off events. For 410931/411934 co-relation queries the response was YES. Maximal size of possible extension queue 341. Compared 70827 event pairs, 104 based on Foata normal form. 4/7051 useless extension candidates. Maximal degree in co-relation 203224. Up to 4712 conditions per place. [2025-03-15 01:08:11,965 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1616 selfloop transitions, 530 changer transitions 813/3025 dead transitions. [2025-03-15 01:08:11,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 727 places, 3025 transitions, 218045 flow [2025-03-15 01:08:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-15 01:08:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-15 01:08:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1410 transitions. [2025-03-15 01:08:11,967 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6162587412587412 [2025-03-15 01:08:11,967 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 638 predicate places. [2025-03-15 01:08:11,967 INFO L471 AbstractCegarLoop]: Abstraction has has 727 places, 3025 transitions, 218045 flow [2025-03-15 01:08:11,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:11,968 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:11,968 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:08:11,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-15 01:08:11,968 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:08:11,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:11,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1665882855, now seen corresponding path program 10 times [2025-03-15 01:08:11,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:11,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569230239] [2025-03-15 01:08:11,969 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:08:11,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:11,978 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:08:11,978 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:08:12,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:12,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569230239] [2025-03-15 01:08:12,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569230239] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:12,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:12,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:08:12,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504674754] [2025-03-15 01:08:12,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:12,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:08:12,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:12,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:08:12,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:08:12,530 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:08:12,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 727 places, 3025 transitions, 218045 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:12,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:12,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:08:12,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:21,902 INFO L124 PetriNetUnfolderBase]: 2729/7664 cut-off events. [2025-03-15 01:08:21,902 INFO L125 PetriNetUnfolderBase]: For 433715/434778 co-relation queries the response was YES. [2025-03-15 01:08:21,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211452 conditions, 7664 events. 2729/7664 cut-off events. For 433715/434778 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 73608 event pairs, 113 based on Foata normal form. 1/7213 useless extension candidates. Maximal degree in co-relation 210135. Up to 4740 conditions per place. [2025-03-15 01:08:22,027 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1870 selfloop transitions, 344 changer transitions 813/3057 dead transitions. [2025-03-15 01:08:22,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 745 places, 3057 transitions, 226119 flow [2025-03-15 01:08:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:08:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:08:22,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1037 transitions. [2025-03-15 01:08:22,029 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6202153110047847 [2025-03-15 01:08:22,029 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 656 predicate places. [2025-03-15 01:08:22,029 INFO L471 AbstractCegarLoop]: Abstraction has has 745 places, 3057 transitions, 226119 flow [2025-03-15 01:08:22,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:22,029 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:22,030 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:08:22,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-15 01:08:22,030 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:08:22,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 871019121, now seen corresponding path program 11 times [2025-03-15 01:08:22,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:22,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390421530] [2025-03-15 01:08:22,030 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:08:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:22,040 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:08:22,041 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:22,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:08:22,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:22,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390421530] [2025-03-15 01:08:22,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390421530] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:22,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:22,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:08:22,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350661272] [2025-03-15 01:08:22,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:22,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:08:22,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:22,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:08:22,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:08:22,401 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:08:22,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 745 places, 3057 transitions, 226119 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:22,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:22,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:08:22,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:31,157 INFO L124 PetriNetUnfolderBase]: 2769/7662 cut-off events. [2025-03-15 01:08:31,158 INFO L125 PetriNetUnfolderBase]: For 453775/454908 co-relation queries the response was YES. [2025-03-15 01:08:31,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219965 conditions, 7662 events. 2769/7662 cut-off events. For 453775/454908 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 72858 event pairs, 111 based on Foata normal form. 3/7211 useless extension candidates. Maximal degree in co-relation 218616. Up to 4797 conditions per place. [2025-03-15 01:08:31,268 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1907 selfloop transitions, 370 changer transitions 813/3120 dead transitions. [2025-03-15 01:08:31,268 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 761 places, 3120 transitions, 236801 flow [2025-03-15 01:08:31,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:08:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:08:31,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 913 transitions. [2025-03-15 01:08:31,269 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6102941176470589 [2025-03-15 01:08:31,270 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 672 predicate places. [2025-03-15 01:08:31,270 INFO L471 AbstractCegarLoop]: Abstraction has has 761 places, 3120 transitions, 236801 flow [2025-03-15 01:08:31,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:31,270 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:31,270 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:08:31,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-15 01:08:31,270 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:08:31,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:31,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1265954373, now seen corresponding path program 12 times [2025-03-15 01:08:31,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:31,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192593972] [2025-03-15 01:08:31,271 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:08:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:31,279 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:08:31,280 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:08:31,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:31,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192593972] [2025-03-15 01:08:31,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192593972] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:31,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:31,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:08:31,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039012690] [2025-03-15 01:08:31,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:31,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:08:31,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:31,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:08:31,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:08:31,758 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:08:31,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 761 places, 3120 transitions, 236801 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:31,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:31,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:08:31,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:42,355 INFO L124 PetriNetUnfolderBase]: 2781/7724 cut-off events. [2025-03-15 01:08:42,356 INFO L125 PetriNetUnfolderBase]: For 478248/479451 co-relation queries the response was YES. [2025-03-15 01:08:42,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226613 conditions, 7724 events. 2781/7724 cut-off events. For 478248/479451 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 73807 event pairs, 108 based on Foata normal form. 1/7271 useless extension candidates. Maximal degree in co-relation 225232. Up to 4815 conditions per place. [2025-03-15 01:08:42,462 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1922 selfloop transitions, 376 changer transitions 813/3141 dead transitions. [2025-03-15 01:08:42,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 3141 transitions, 244531 flow [2025-03-15 01:08:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:08:42,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:08:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 911 transitions. [2025-03-15 01:08:42,464 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.608957219251337 [2025-03-15 01:08:42,464 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 688 predicate places. [2025-03-15 01:08:42,465 INFO L471 AbstractCegarLoop]: Abstraction has has 777 places, 3141 transitions, 244531 flow [2025-03-15 01:08:42,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:42,465 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:42,465 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:08:42,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-15 01:08:42,465 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:08:42,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:42,466 INFO L85 PathProgramCache]: Analyzing trace with hash 228744921, now seen corresponding path program 13 times [2025-03-15 01:08:42,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:42,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120631176] [2025-03-15 01:08:42,466 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:08:42,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:08:42,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:42,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120631176] [2025-03-15 01:08:42,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120631176] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:42,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:42,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:08:42,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557040816] [2025-03-15 01:08:42,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:42,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:08:42,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:42,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:08:42,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:08:42,804 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:08:42,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 3141 transitions, 244531 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:42,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:42,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:08:42,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:53,631 INFO L124 PetriNetUnfolderBase]: 2779/7724 cut-off events. [2025-03-15 01:08:53,631 INFO L125 PetriNetUnfolderBase]: For 499723/500996 co-relation queries the response was YES. [2025-03-15 01:08:53,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232251 conditions, 7724 events. 2779/7724 cut-off events. For 499723/500996 co-relation queries the response was YES. Maximal size of possible extension queue 367. Compared 73834 event pairs, 109 based on Foata normal form. 1/7273 useless extension candidates. Maximal degree in co-relation 230838. Up to 4818 conditions per place. [2025-03-15 01:08:53,740 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1935 selfloop transitions, 375 changer transitions 813/3153 dead transitions. [2025-03-15 01:08:53,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 3153 transitions, 251551 flow [2025-03-15 01:08:53,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:08:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:08:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 953 transitions. [2025-03-15 01:08:53,741 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6016414141414141 [2025-03-15 01:08:53,742 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 705 predicate places. [2025-03-15 01:08:53,742 INFO L471 AbstractCegarLoop]: Abstraction has has 794 places, 3153 transitions, 251551 flow [2025-03-15 01:08:53,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:53,742 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:53,742 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:08:53,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-15 01:08:53,742 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:08:53,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:53,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1279908101, now seen corresponding path program 14 times [2025-03-15 01:08:53,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:53,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665075671] [2025-03-15 01:08:53,743 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:08:53,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:53,751 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:08:53,751 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:08:54,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:54,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665075671] [2025-03-15 01:08:54,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665075671] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:54,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:54,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:08:54,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100557851] [2025-03-15 01:08:54,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:54,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:08:54,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:54,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:08:54,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:08:54,078 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:08:54,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 3153 transitions, 251551 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:08:54,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:54,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:08:54,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:05,455 INFO L124 PetriNetUnfolderBase]: 2786/7766 cut-off events. [2025-03-15 01:09:05,456 INFO L125 PetriNetUnfolderBase]: For 512257/513231 co-relation queries the response was YES. [2025-03-15 01:09:05,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238554 conditions, 7766 events. 2786/7766 cut-off events. For 512257/513231 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 74639 event pairs, 110 based on Foata normal form. 0/7314 useless extension candidates. Maximal degree in co-relation 237111. Up to 4828 conditions per place. [2025-03-15 01:09:05,599 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1908 selfloop transitions, 413 changer transitions 813/3164 dead transitions. [2025-03-15 01:09:05,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 3164 transitions, 258575 flow [2025-03-15 01:09:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:09:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:09:05,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 919 transitions. [2025-03-15 01:09:05,600 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6143048128342246 [2025-03-15 01:09:05,605 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 721 predicate places. [2025-03-15 01:09:05,605 INFO L471 AbstractCegarLoop]: Abstraction has has 810 places, 3164 transitions, 258575 flow [2025-03-15 01:09:05,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:05,605 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:05,605 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:09:05,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-15 01:09:05,605 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:09:05,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:05,606 INFO L85 PathProgramCache]: Analyzing trace with hash -674240049, now seen corresponding path program 15 times [2025-03-15 01:09:05,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:05,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934624990] [2025-03-15 01:09:05,606 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:09:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:05,616 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:09:05,616 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:09:05,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:05,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934624990] [2025-03-15 01:09:05,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934624990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:05,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:05,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:09:05,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696151319] [2025-03-15 01:09:05,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:05,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:09:05,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:05,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:09:05,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:09:05,960 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:09:05,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 3164 transitions, 258575 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:05,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:05,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:09:05,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:17,639 INFO L124 PetriNetUnfolderBase]: 2789/7767 cut-off events. [2025-03-15 01:09:17,640 INFO L125 PetriNetUnfolderBase]: For 544515/545927 co-relation queries the response was YES. [2025-03-15 01:09:17,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 244485 conditions, 7767 events. 2789/7767 cut-off events. For 544515/545927 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 74410 event pairs, 126 based on Foata normal form. 1/7318 useless extension candidates. Maximal degree in co-relation 243006. Up to 4833 conditions per place. [2025-03-15 01:09:17,767 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1940 selfloop transitions, 388 changer transitions 813/3171 dead transitions. [2025-03-15 01:09:17,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 826 places, 3171 transitions, 265297 flow [2025-03-15 01:09:17,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:09:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:09:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 914 transitions. [2025-03-15 01:09:17,769 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6109625668449198 [2025-03-15 01:09:17,770 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 737 predicate places. [2025-03-15 01:09:17,770 INFO L471 AbstractCegarLoop]: Abstraction has has 826 places, 3171 transitions, 265297 flow [2025-03-15 01:09:17,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:17,771 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:17,771 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:09:17,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-03-15 01:09:17,771 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:09:17,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:17,772 INFO L85 PathProgramCache]: Analyzing trace with hash -500925419, now seen corresponding path program 24 times [2025-03-15 01:09:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:17,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610695774] [2025-03-15 01:09:17,772 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:09:17,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:17,782 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:09:17,782 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:09:18,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:18,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610695774] [2025-03-15 01:09:18,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610695774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:18,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:18,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:09:18,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815867389] [2025-03-15 01:09:18,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:18,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:09:18,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:18,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:09:18,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:09:18,121 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:09:18,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 826 places, 3171 transitions, 265297 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:18,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:18,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:09:18,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:29,997 INFO L124 PetriNetUnfolderBase]: 2848/7927 cut-off events. [2025-03-15 01:09:29,997 INFO L125 PetriNetUnfolderBase]: For 594514/595914 co-relation queries the response was YES. [2025-03-15 01:09:30,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254836 conditions, 7927 events. 2848/7927 cut-off events. For 594514/595914 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 76366 event pairs, 116 based on Foata normal form. 4/7475 useless extension candidates. Maximal degree in co-relation 253327. Up to 4925 conditions per place. [2025-03-15 01:09:30,163 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1813 selfloop transitions, 507 changer transitions 849/3254 dead transitions. [2025-03-15 01:09:30,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 851 places, 3254 transitions, 278697 flow [2025-03-15 01:09:30,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-15 01:09:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-15 01:09:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1344 transitions. [2025-03-15 01:09:30,165 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5874125874125874 [2025-03-15 01:09:30,165 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 762 predicate places. [2025-03-15 01:09:30,165 INFO L471 AbstractCegarLoop]: Abstraction has has 851 places, 3254 transitions, 278697 flow [2025-03-15 01:09:30,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:30,166 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:30,166 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:09:30,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-15 01:09:30,166 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:09:30,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:30,167 INFO L85 PathProgramCache]: Analyzing trace with hash 589358955, now seen corresponding path program 25 times [2025-03-15 01:09:30,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:30,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226583969] [2025-03-15 01:09:30,167 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:09:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:09:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:09:30,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:30,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226583969] [2025-03-15 01:09:30,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226583969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:30,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:30,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:09:30,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83829799] [2025-03-15 01:09:30,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:30,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:09:30,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:30,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:09:30,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:09:30,543 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:09:30,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 851 places, 3254 transitions, 278697 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:30,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:30,543 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:09:30,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:44,344 INFO L124 PetriNetUnfolderBase]: 2885/8004 cut-off events. [2025-03-15 01:09:44,344 INFO L125 PetriNetUnfolderBase]: For 618385/619783 co-relation queries the response was YES. [2025-03-15 01:09:44,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263660 conditions, 8004 events. 2885/8004 cut-off events. For 618385/619783 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 77252 event pairs, 112 based on Foata normal form. 4/7545 useless extension candidates. Maximal degree in co-relation 262125. Up to 4989 conditions per place. [2025-03-15 01:09:44,506 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1836 selfloop transitions, 513 changer transitions 869/3303 dead transitions. [2025-03-15 01:09:44,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 876 places, 3303 transitions, 289379 flow [2025-03-15 01:09:44,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-15 01:09:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-15 01:09:44,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1323 transitions. [2025-03-15 01:09:44,507 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5782342657342657 [2025-03-15 01:09:44,508 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 787 predicate places. [2025-03-15 01:09:44,508 INFO L471 AbstractCegarLoop]: Abstraction has has 876 places, 3303 transitions, 289379 flow [2025-03-15 01:09:44,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:44,508 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:44,509 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:09:44,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-15 01:09:44,509 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:09:44,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:44,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1019243069, now seen corresponding path program 26 times [2025-03-15 01:09:44,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:44,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366946617] [2025-03-15 01:09:44,510 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:09:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:44,522 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:09:44,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:09:45,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:45,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366946617] [2025-03-15 01:09:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366946617] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:45,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:45,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:09:45,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782315069] [2025-03-15 01:09:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:45,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:09:45,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:45,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:09:45,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:09:45,016 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:09:45,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 876 places, 3303 transitions, 289379 flow. Second operand has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:45,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:45,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:09:45,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:58,665 INFO L124 PetriNetUnfolderBase]: 2910/8101 cut-off events. [2025-03-15 01:09:58,665 INFO L125 PetriNetUnfolderBase]: For 677990/679072 co-relation queries the response was YES. [2025-03-15 01:09:58,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271595 conditions, 8101 events. 2910/8101 cut-off events. For 677990/679072 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 78544 event pairs, 111 based on Foata normal form. 0/7640 useless extension candidates. Maximal degree in co-relation 270028. Up to 5040 conditions per place. [2025-03-15 01:09:58,799 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 1841 selfloop transitions, 523 changer transitions 901/3350 dead transitions. [2025-03-15 01:09:58,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 901 places, 3350 transitions, 300089 flow [2025-03-15 01:09:58,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-15 01:09:58,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2025-03-15 01:09:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 1334 transitions. [2025-03-15 01:09:58,801 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.583041958041958 [2025-03-15 01:09:58,801 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 812 predicate places. [2025-03-15 01:09:58,801 INFO L471 AbstractCegarLoop]: Abstraction has has 901 places, 3350 transitions, 300089 flow [2025-03-15 01:09:58,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.38461538461539) internal successors, (616), 13 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:58,802 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:58,802 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:09:58,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-03-15 01:09:58,802 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:09:58,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:58,802 INFO L85 PathProgramCache]: Analyzing trace with hash 848428309, now seen corresponding path program 16 times [2025-03-15 01:09:58,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:58,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653151569] [2025-03-15 01:09:58,802 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:09:58,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:58,811 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:09:58,811 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:59,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:09:59,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:59,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653151569] [2025-03-15 01:09:59,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653151569] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:59,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:59,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:09:59,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015771770] [2025-03-15 01:09:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:59,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:09:59,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:59,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:09:59,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:09:59,121 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:09:59,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 901 places, 3350 transitions, 300089 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:09:59,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:59,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:09:59,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:14,254 INFO L124 PetriNetUnfolderBase]: 2942/8166 cut-off events. [2025-03-15 01:10:14,255 INFO L125 PetriNetUnfolderBase]: For 695792/697314 co-relation queries the response was YES. [2025-03-15 01:10:14,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280380 conditions, 8166 events. 2942/8166 cut-off events. For 695792/697314 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 79288 event pairs, 103 based on Foata normal form. 1/7701 useless extension candidates. Maximal degree in co-relation 278783. Up to 5081 conditions per place. [2025-03-15 01:10:14,389 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1674 selfloop transitions, 796 changer transitions 901/3401 dead transitions. [2025-03-15 01:10:14,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 916 places, 3401 transitions, 311169 flow [2025-03-15 01:10:14,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:10:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:10:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 834 transitions. [2025-03-15 01:10:14,391 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5923295454545454 [2025-03-15 01:10:14,391 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 827 predicate places. [2025-03-15 01:10:14,391 INFO L471 AbstractCegarLoop]: Abstraction has has 916 places, 3401 transitions, 311169 flow [2025-03-15 01:10:14,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:14,392 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:14,392 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:10:14,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-03-15 01:10:14,392 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:10:14,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:14,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1206997031, now seen corresponding path program 17 times [2025-03-15 01:10:14,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:14,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905386580] [2025-03-15 01:10:14,393 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:10:14,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:14,406 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:10:14,406 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:10:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:10:14,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:14,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905386580] [2025-03-15 01:10:14,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905386580] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:14,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:14,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:10:14,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116619755] [2025-03-15 01:10:14,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:14,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:10:14,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:14,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:10:14,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:10:14,764 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:10:14,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 916 places, 3401 transitions, 311169 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:14,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:14,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:10:14,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:28,001 INFO L124 PetriNetUnfolderBase]: 2954/8108 cut-off events. [2025-03-15 01:10:28,001 INFO L125 PetriNetUnfolderBase]: For 725281/726872 co-relation queries the response was YES. [2025-03-15 01:10:28,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287416 conditions, 8108 events. 2954/8108 cut-off events. For 725281/726872 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 77938 event pairs, 98 based on Foata normal form. 1/7643 useless extension candidates. Maximal degree in co-relation 285788. Up to 5096 conditions per place. [2025-03-15 01:10:28,141 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2011 selfloop transitions, 478 changer transitions 901/3420 dead transitions. [2025-03-15 01:10:28,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 3420 transitions, 319577 flow [2025-03-15 01:10:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:10:28,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:10:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 965 transitions. [2025-03-15 01:10:28,143 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6092171717171717 [2025-03-15 01:10:28,143 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 844 predicate places. [2025-03-15 01:10:28,143 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 3420 transitions, 319577 flow [2025-03-15 01:10:28,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:28,143 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:28,143 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:10:28,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-03-15 01:10:28,143 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:10:28,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:28,144 INFO L85 PathProgramCache]: Analyzing trace with hash 338262139, now seen corresponding path program 18 times [2025-03-15 01:10:28,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:28,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984724248] [2025-03-15 01:10:28,144 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:10:28,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:28,152 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:10:28,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:10:28,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:10:28,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:28,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984724248] [2025-03-15 01:10:28,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984724248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:28,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:28,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:10:28,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332051847] [2025-03-15 01:10:28,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:28,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:10:28,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:28,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:10:28,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:10:28,736 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:10:28,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 3420 transitions, 319577 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:28,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:28,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:10:28,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:43,415 INFO L124 PetriNetUnfolderBase]: 2970/8250 cut-off events. [2025-03-15 01:10:43,415 INFO L125 PetriNetUnfolderBase]: For 753604/755280 co-relation queries the response was YES. [2025-03-15 01:10:43,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295089 conditions, 8250 events. 2970/8250 cut-off events. For 753604/755280 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 80340 event pairs, 120 based on Foata normal form. 1/7785 useless extension candidates. Maximal degree in co-relation 293424. Up to 5122 conditions per place. [2025-03-15 01:10:43,561 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2024 selfloop transitions, 491 changer transitions 901/3446 dead transitions. [2025-03-15 01:10:43,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 950 places, 3446 transitions, 328747 flow [2025-03-15 01:10:43,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:10:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:10:43,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 963 transitions. [2025-03-15 01:10:43,563 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6079545454545454 [2025-03-15 01:10:43,563 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 861 predicate places. [2025-03-15 01:10:43,563 INFO L471 AbstractCegarLoop]: Abstraction has has 950 places, 3446 transitions, 328747 flow [2025-03-15 01:10:43,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:43,564 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:43,564 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:10:43,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2025-03-15 01:10:43,564 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:10:43,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:43,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1466171687, now seen corresponding path program 19 times [2025-03-15 01:10:43,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:43,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715708713] [2025-03-15 01:10:43,565 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:10:43,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:10:43,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:10:43,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:43,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715708713] [2025-03-15 01:10:43,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715708713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:43,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:43,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:10:43,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519125520] [2025-03-15 01:10:43,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:43,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:10:43,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:43,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:10:43,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:10:43,879 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:10:43,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 950 places, 3446 transitions, 328747 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:43,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:43,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:10:43,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:59,273 INFO L124 PetriNetUnfolderBase]: 2973/8229 cut-off events. [2025-03-15 01:10:59,274 INFO L125 PetriNetUnfolderBase]: For 778666/780393 co-relation queries the response was YES. [2025-03-15 01:10:59,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301379 conditions, 8229 events. 2973/8229 cut-off events. For 778666/780393 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 79993 event pairs, 102 based on Foata normal form. 1/7766 useless extension candidates. Maximal degree in co-relation 299688. Up to 5119 conditions per place. [2025-03-15 01:10:59,416 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2059 selfloop transitions, 472 changer transitions 901/3462 dead transitions. [2025-03-15 01:10:59,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 967 places, 3462 transitions, 337027 flow [2025-03-15 01:10:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:10:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:10:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 961 transitions. [2025-03-15 01:10:59,418 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6066919191919192 [2025-03-15 01:10:59,418 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 878 predicate places. [2025-03-15 01:10:59,418 INFO L471 AbstractCegarLoop]: Abstraction has has 967 places, 3462 transitions, 337027 flow [2025-03-15 01:10:59,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:59,418 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:59,419 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:10:59,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2025-03-15 01:10:59,419 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:10:59,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:59,419 INFO L85 PathProgramCache]: Analyzing trace with hash -6605407, now seen corresponding path program 20 times [2025-03-15 01:10:59,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:59,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807345145] [2025-03-15 01:10:59,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:10:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:59,429 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:10:59,429 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:10:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:10:59,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:59,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807345145] [2025-03-15 01:10:59,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807345145] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:59,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:59,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:10:59,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202886865] [2025-03-15 01:10:59,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:59,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:10:59,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:59,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:10:59,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:10:59,746 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:10:59,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 967 places, 3462 transitions, 337027 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:10:59,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:59,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:10:59,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:11:15,050 INFO L124 PetriNetUnfolderBase]: 2986/8222 cut-off events. [2025-03-15 01:11:15,050 INFO L125 PetriNetUnfolderBase]: For 820110/821914 co-relation queries the response was YES. [2025-03-15 01:11:15,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308549 conditions, 8222 events. 2986/8222 cut-off events. For 820110/821914 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 79493 event pairs, 106 based on Foata normal form. 1/7760 useless extension candidates. Maximal degree in co-relation 306822. Up to 5133 conditions per place. [2025-03-15 01:11:15,205 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1860 selfloop transitions, 694 changer transitions 901/3485 dead transitions. [2025-03-15 01:11:15,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 981 places, 3485 transitions, 345713 flow [2025-03-15 01:11:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:11:15,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:11:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 786 transitions. [2025-03-15 01:11:15,206 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5954545454545455 [2025-03-15 01:11:15,206 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 892 predicate places. [2025-03-15 01:11:15,207 INFO L471 AbstractCegarLoop]: Abstraction has has 981 places, 3485 transitions, 345713 flow [2025-03-15 01:11:15,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:11:15,207 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:11:15,207 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:11:15,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2025-03-15 01:11:15,207 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:11:15,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:11:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1611564833, now seen corresponding path program 21 times [2025-03-15 01:11:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:11:15,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783963721] [2025-03-15 01:11:15,208 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:11:15,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:11:15,219 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:11:15,219 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:11:15,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:11:15,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:11:15,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783963721] [2025-03-15 01:11:15,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783963721] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:11:15,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:11:15,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:11:15,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77376698] [2025-03-15 01:11:15,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:11:15,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:11:15,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:11:15,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:11:15,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:11:15,549 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:11:15,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 981 places, 3485 transitions, 345713 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:11:15,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:11:15,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:11:15,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:11:31,651 INFO L124 PetriNetUnfolderBase]: 3011/8291 cut-off events. [2025-03-15 01:11:31,651 INFO L125 PetriNetUnfolderBase]: For 855944/857834 co-relation queries the response was YES. [2025-03-15 01:11:31,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317227 conditions, 8291 events. 3011/8291 cut-off events. For 855944/857834 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 80328 event pairs, 107 based on Foata normal form. 1/7828 useless extension candidates. Maximal degree in co-relation 315469. Up to 5172 conditions per place. [2025-03-15 01:11:31,801 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1877 selfloop transitions, 716 changer transitions 901/3524 dead transitions. [2025-03-15 01:11:31,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 3524 transitions, 356465 flow [2025-03-15 01:11:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:11:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:11:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 837 transitions. [2025-03-15 01:11:31,802 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5944602272727273 [2025-03-15 01:11:31,803 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 907 predicate places. [2025-03-15 01:11:31,803 INFO L471 AbstractCegarLoop]: Abstraction has has 996 places, 3524 transitions, 356465 flow [2025-03-15 01:11:31,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:11:31,803 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:11:31,803 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:11:31,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2025-03-15 01:11:31,803 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:11:31,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:11:31,804 INFO L85 PathProgramCache]: Analyzing trace with hash -192868993, now seen corresponding path program 22 times [2025-03-15 01:11:31,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:11:31,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28265089] [2025-03-15 01:11:31,804 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:11:31,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:11:31,813 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:11:31,813 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:11:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:11:32,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:11:32,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28265089] [2025-03-15 01:11:32,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28265089] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:11:32,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:11:32,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:11:32,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648800152] [2025-03-15 01:11:32,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:11:32,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:11:32,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:11:32,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:11:32,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:11:32,155 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:11:32,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 996 places, 3524 transitions, 356465 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:11:32,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:11:32,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:11:32,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:11:49,410 INFO L124 PetriNetUnfolderBase]: 3012/8340 cut-off events. [2025-03-15 01:11:49,411 INFO L125 PetriNetUnfolderBase]: For 881582/883542 co-relation queries the response was YES. [2025-03-15 01:11:49,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323543 conditions, 8340 events. 3012/8340 cut-off events. For 881582/883542 co-relation queries the response was YES. Maximal size of possible extension queue 429. Compared 81288 event pairs, 112 based on Foata normal form. 1/7878 useless extension candidates. Maximal degree in co-relation 321752. Up to 5171 conditions per place. [2025-03-15 01:11:49,567 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1874 selfloop transitions, 733 changer transitions 901/3538 dead transitions. [2025-03-15 01:11:49,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1011 places, 3538 transitions, 364791 flow [2025-03-15 01:11:49,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:11:49,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:11:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 832 transitions. [2025-03-15 01:11:49,568 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5909090909090909 [2025-03-15 01:11:49,568 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 922 predicate places. [2025-03-15 01:11:49,569 INFO L471 AbstractCegarLoop]: Abstraction has has 1011 places, 3538 transitions, 364791 flow [2025-03-15 01:11:49,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:11:49,569 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:11:49,569 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:11:49,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-03-15 01:11:49,569 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:11:49,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:11:49,570 INFO L85 PathProgramCache]: Analyzing trace with hash 66305663, now seen corresponding path program 23 times [2025-03-15 01:11:49,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:11:49,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656118718] [2025-03-15 01:11:49,570 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:11:49,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:11:49,579 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:11:49,579 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:11:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:11:50,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:11:50,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656118718] [2025-03-15 01:11:50,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656118718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:11:50,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:11:50,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:11:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801597519] [2025-03-15 01:11:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:11:50,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:11:50,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:11:50,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:11:50,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:11:50,049 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:11:50,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1011 places, 3538 transitions, 364791 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:11:50,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:11:50,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:11:50,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:12:06,468 INFO L124 PetriNetUnfolderBase]: 3015/8313 cut-off events. [2025-03-15 01:12:06,469 INFO L125 PetriNetUnfolderBase]: For 897525/898919 co-relation queries the response was YES. [2025-03-15 01:12:06,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329935 conditions, 8313 events. 3015/8313 cut-off events. For 897525/898919 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 80846 event pairs, 100 based on Foata normal form. 0/7852 useless extension candidates. Maximal degree in co-relation 328116. Up to 5168 conditions per place. [2025-03-15 01:12:06,659 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1893 selfloop transitions, 722 changer transitions 901/3546 dead transitions. [2025-03-15 01:12:06,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1026 places, 3546 transitions, 372453 flow [2025-03-15 01:12:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:12:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:12:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 833 transitions. [2025-03-15 01:12:06,660 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5916193181818182 [2025-03-15 01:12:06,660 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 937 predicate places. [2025-03-15 01:12:06,660 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 3546 transitions, 372453 flow [2025-03-15 01:12:06,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:06,661 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:12:06,661 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:12:06,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-03-15 01:12:06,661 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:12:06,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:12:06,661 INFO L85 PathProgramCache]: Analyzing trace with hash -696830861, now seen corresponding path program 24 times [2025-03-15 01:12:06,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:12:06,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078017506] [2025-03-15 01:12:06,661 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:12:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:12:06,670 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:12:06,670 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:12:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:12:07,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:12:07,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078017506] [2025-03-15 01:12:07,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078017506] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:12:07,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:12:07,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:12:07,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613278947] [2025-03-15 01:12:07,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:12:07,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:12:07,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:12:07,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:12:07,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:12:07,270 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:12:07,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 3546 transitions, 372453 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:07,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:12:07,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:12:07,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:12:23,223 INFO L124 PetriNetUnfolderBase]: 3029/8391 cut-off events. [2025-03-15 01:12:23,224 INFO L125 PetriNetUnfolderBase]: For 946310/948407 co-relation queries the response was YES. [2025-03-15 01:12:23,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337636 conditions, 8391 events. 3029/8391 cut-off events. For 946310/948407 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 81915 event pairs, 105 based on Foata normal form. 1/7931 useless extension candidates. Maximal degree in co-relation 335783. Up to 5188 conditions per place. [2025-03-15 01:12:23,388 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1774 selfloop transitions, 865 changer transitions 901/3570 dead transitions. [2025-03-15 01:12:23,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1041 places, 3570 transitions, 381901 flow [2025-03-15 01:12:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:12:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:12:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 836 transitions. [2025-03-15 01:12:23,391 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.59375 [2025-03-15 01:12:23,391 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 952 predicate places. [2025-03-15 01:12:23,391 INFO L471 AbstractCegarLoop]: Abstraction has has 1041 places, 3570 transitions, 381901 flow [2025-03-15 01:12:23,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:23,392 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:12:23,392 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:12:23,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2025-03-15 01:12:23,392 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:12:23,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:12:23,393 INFO L85 PathProgramCache]: Analyzing trace with hash 954548235, now seen corresponding path program 25 times [2025-03-15 01:12:23,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:12:23,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108489736] [2025-03-15 01:12:23,393 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:12:23,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:12:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:12:23,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:12:23,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:12:23,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108489736] [2025-03-15 01:12:23,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108489736] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:12:23,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:12:23,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:12:23,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722809667] [2025-03-15 01:12:23,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:12:23,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:12:23,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:12:23,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:12:23,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:12:23,817 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:12:23,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1041 places, 3570 transitions, 381901 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:23,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:12:23,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:12:23,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:12:40,598 INFO L124 PetriNetUnfolderBase]: 3042/8420 cut-off events. [2025-03-15 01:12:40,598 INFO L125 PetriNetUnfolderBase]: For 977289/979453 co-relation queries the response was YES. [2025-03-15 01:12:40,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345082 conditions, 8420 events. 3042/8420 cut-off events. For 977289/979453 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 82229 event pairs, 114 based on Foata normal form. 1/7960 useless extension candidates. Maximal degree in co-relation 343195. Up to 5200 conditions per place. [2025-03-15 01:12:40,774 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1767 selfloop transitions, 894 changer transitions 901/3592 dead transitions. [2025-03-15 01:12:40,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1055 places, 3592 transitions, 390979 flow [2025-03-15 01:12:40,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:12:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:12:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 792 transitions. [2025-03-15 01:12:40,776 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6 [2025-03-15 01:12:40,776 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 966 predicate places. [2025-03-15 01:12:40,776 INFO L471 AbstractCegarLoop]: Abstraction has has 1055 places, 3592 transitions, 390979 flow [2025-03-15 01:12:40,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:40,782 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:12:40,783 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:12:40,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2025-03-15 01:12:40,783 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:12:40,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:12:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1027459305, now seen corresponding path program 26 times [2025-03-15 01:12:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:12:40,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951932213] [2025-03-15 01:12:40,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:12:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:12:40,798 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:12:40,798 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:12:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:12:41,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:12:41,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951932213] [2025-03-15 01:12:41,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951932213] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:12:41,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:12:41,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:12:41,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149983828] [2025-03-15 01:12:41,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:12:41,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:12:41,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:12:41,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:12:41,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:12:41,251 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:12:41,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1055 places, 3592 transitions, 390979 flow. Second operand has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:41,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:12:41,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:12:41,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:12:58,484 INFO L124 PetriNetUnfolderBase]: 3043/8427 cut-off events. [2025-03-15 01:12:58,484 INFO L125 PetriNetUnfolderBase]: For 1018572/1020821 co-relation queries the response was YES. [2025-03-15 01:12:58,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351427 conditions, 8427 events. 3043/8427 cut-off events. For 1018572/1020821 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 82330 event pairs, 116 based on Foata normal form. 1/7970 useless extension candidates. Maximal degree in co-relation 349508. Up to 5201 conditions per place. [2025-03-15 01:12:58,675 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1767 selfloop transitions, 899 changer transitions 901/3597 dead transitions. [2025-03-15 01:12:58,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1070 places, 3597 transitions, 398519 flow [2025-03-15 01:12:58,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-15 01:12:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-03-15 01:12:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 835 transitions. [2025-03-15 01:12:58,677 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5930397727272727 [2025-03-15 01:12:58,677 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 981 predicate places. [2025-03-15 01:12:58,677 INFO L471 AbstractCegarLoop]: Abstraction has has 1070 places, 3597 transitions, 398519 flow [2025-03-15 01:12:58,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.61538461538461) internal successors, (593), 13 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:58,678 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:12:58,678 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:12:58,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2025-03-15 01:12:58,678 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:12:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:12:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2071955953, now seen corresponding path program 27 times [2025-03-15 01:12:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:12:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502422467] [2025-03-15 01:12:58,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:12:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:12:58,688 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:12:58,689 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:12:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:12:59,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:12:59,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502422467] [2025-03-15 01:12:59,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502422467] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:12:59,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:12:59,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:12:59,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100193308] [2025-03-15 01:12:59,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:12:59,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:12:59,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:12:59,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:12:59,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:12:59,188 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:12:59,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1070 places, 3597 transitions, 398519 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:12:59,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:12:59,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:12:59,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:13:16,804 INFO L124 PetriNetUnfolderBase]: 3044/8387 cut-off events. [2025-03-15 01:13:16,804 INFO L125 PetriNetUnfolderBase]: For 1052835/1055470 co-relation queries the response was YES. [2025-03-15 01:13:16,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357546 conditions, 8387 events. 3044/8387 cut-off events. For 1052835/1055470 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 81537 event pairs, 122 based on Foata normal form. 10/7937 useless extension candidates. Maximal degree in co-relation 355595. Up to 5205 conditions per place. [2025-03-15 01:13:17,001 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2184 selfloop transitions, 391 changer transitions 901/3600 dead transitions. [2025-03-15 01:13:17,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1083 places, 3600 transitions, 405783 flow [2025-03-15 01:13:17,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-15 01:13:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-03-15 01:13:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 745 transitions. [2025-03-15 01:13:17,002 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6047077922077922 [2025-03-15 01:13:17,002 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 994 predicate places. [2025-03-15 01:13:17,002 INFO L471 AbstractCegarLoop]: Abstraction has has 1083 places, 3600 transitions, 405783 flow [2025-03-15 01:13:17,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:13:17,003 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:13:17,003 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:13:17,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2025-03-15 01:13:17,003 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:13:17,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:13:17,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1397560023, now seen corresponding path program 28 times [2025-03-15 01:13:17,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:13:17,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124259657] [2025-03-15 01:13:17,003 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:13:17,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:13:17,019 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:13:17,019 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:13:17,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:13:17,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:13:17,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124259657] [2025-03-15 01:13:17,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124259657] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:13:17,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:13:17,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:13:17,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113513504] [2025-03-15 01:13:17,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:13:17,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:13:17,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:13:17,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:13:17,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:13:17,390 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:13:17,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1083 places, 3600 transitions, 405783 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:13:17,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:13:17,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:13:17,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:13:36,882 INFO L124 PetriNetUnfolderBase]: 3066/8496 cut-off events. [2025-03-15 01:13:36,882 INFO L125 PetriNetUnfolderBase]: For 1102126/1104018 co-relation queries the response was YES. [2025-03-15 01:13:36,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366260 conditions, 8496 events. 3066/8496 cut-off events. For 1102126/1104018 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 83263 event pairs, 113 based on Foata normal form. 10/8043 useless extension candidates. Maximal degree in co-relation 364282. Up to 5252 conditions per place. [2025-03-15 01:13:37,058 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2191 selfloop transitions, 399 changer transitions 917/3631 dead transitions. [2025-03-15 01:13:37,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1099 places, 3631 transitions, 416353 flow [2025-03-15 01:13:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:13:37,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:13:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 886 transitions. [2025-03-15 01:13:37,060 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5922459893048129 [2025-03-15 01:13:37,060 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1010 predicate places. [2025-03-15 01:13:37,060 INFO L471 AbstractCegarLoop]: Abstraction has has 1099 places, 3631 transitions, 416353 flow [2025-03-15 01:13:37,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:13:37,061 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:13:37,061 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:13:37,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2025-03-15 01:13:37,061 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:13:37,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:13:37,062 INFO L85 PathProgramCache]: Analyzing trace with hash -733124011, now seen corresponding path program 29 times [2025-03-15 01:13:37,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:13:37,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215231275] [2025-03-15 01:13:37,062 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:13:37,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:13:37,072 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:13:37,072 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:13:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:13:37,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:13:37,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215231275] [2025-03-15 01:13:37,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215231275] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:13:37,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:13:37,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:13:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637332024] [2025-03-15 01:13:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:13:37,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:13:37,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:13:37,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:13:37,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:13:37,411 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:13:37,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1099 places, 3631 transitions, 416353 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:13:37,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:13:37,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:13:37,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:13:56,505 INFO L124 PetriNetUnfolderBase]: 3069/8511 cut-off events. [2025-03-15 01:13:56,505 INFO L125 PetriNetUnfolderBase]: For 1150470/1152405 co-relation queries the response was YES. [2025-03-15 01:13:56,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372850 conditions, 8511 events. 3069/8511 cut-off events. For 1150470/1152405 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 83402 event pairs, 114 based on Foata normal form. 10/8059 useless extension candidates. Maximal degree in co-relation 370842. Up to 5262 conditions per place. [2025-03-15 01:13:56,714 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2198 selfloop transitions, 400 changer transitions 917/3639 dead transitions. [2025-03-15 01:13:56,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1115 places, 3639 transitions, 424303 flow [2025-03-15 01:13:56,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:13:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:13:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 892 transitions. [2025-03-15 01:13:56,715 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5962566844919787 [2025-03-15 01:13:56,716 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1026 predicate places. [2025-03-15 01:13:56,716 INFO L471 AbstractCegarLoop]: Abstraction has has 1115 places, 3639 transitions, 424303 flow [2025-03-15 01:13:56,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:13:56,716 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:13:56,716 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:13:56,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2025-03-15 01:13:56,716 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:13:56,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:13:56,717 INFO L85 PathProgramCache]: Analyzing trace with hash 145280207, now seen corresponding path program 30 times [2025-03-15 01:13:56,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:13:56,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703436698] [2025-03-15 01:13:56,717 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:13:56,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:13:56,908 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:13:56,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:13:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:13:57,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:13:57,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703436698] [2025-03-15 01:13:57,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703436698] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:13:57,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:13:57,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:13:57,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611162218] [2025-03-15 01:13:57,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:13:57,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:13:57,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:13:57,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:13:57,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:13:57,321 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:13:57,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1115 places, 3639 transitions, 424303 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:13:57,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:13:57,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:13:57,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:14:16,460 INFO L124 PetriNetUnfolderBase]: 3079/8551 cut-off events. [2025-03-15 01:14:16,461 INFO L125 PetriNetUnfolderBase]: For 1198588/1200574 co-relation queries the response was YES. [2025-03-15 01:14:16,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 380332 conditions, 8551 events. 3079/8551 cut-off events. For 1198588/1200574 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 83971 event pairs, 116 based on Foata normal form. 10/8097 useless extension candidates. Maximal degree in co-relation 378293. Up to 5286 conditions per place. [2025-03-15 01:14:16,646 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2188 selfloop transitions, 432 changer transitions 917/3661 dead transitions. [2025-03-15 01:14:16,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1132 places, 3661 transitions, 434007 flow [2025-03-15 01:14:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:14:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:14:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 951 transitions. [2025-03-15 01:14:16,648 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6003787878787878 [2025-03-15 01:14:16,648 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1043 predicate places. [2025-03-15 01:14:16,648 INFO L471 AbstractCegarLoop]: Abstraction has has 1132 places, 3661 transitions, 434007 flow [2025-03-15 01:14:16,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:14:16,649 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:14:16,649 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:14:16,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2025-03-15 01:14:16,649 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:14:16,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:14:16,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1509547261, now seen corresponding path program 31 times [2025-03-15 01:14:16,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:14:16,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200993878] [2025-03-15 01:14:16,650 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:14:16,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:14:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:14:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:14:17,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:14:17,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200993878] [2025-03-15 01:14:17,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200993878] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:14:17,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:14:17,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:14:17,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386337148] [2025-03-15 01:14:17,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:14:17,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:14:17,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:14:17,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:14:17,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:14:17,052 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:14:17,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1132 places, 3661 transitions, 434007 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:14:17,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:14:17,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:14:17,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:14:33,229 INFO L124 PetriNetUnfolderBase]: 3077/8544 cut-off events. [2025-03-15 01:14:33,229 INFO L125 PetriNetUnfolderBase]: For 1240175/1242192 co-relation queries the response was YES. [2025-03-15 01:14:33,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386463 conditions, 8544 events. 3077/8544 cut-off events. For 1240175/1242192 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 83860 event pairs, 123 based on Foata normal form. 10/8092 useless extension candidates. Maximal degree in co-relation 384392. Up to 5288 conditions per place. [2025-03-15 01:14:33,426 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2197 selfloop transitions, 429 changer transitions 917/3667 dead transitions. [2025-03-15 01:14:33,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1151 places, 3667 transitions, 441807 flow [2025-03-15 01:14:33,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:14:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:14:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1037 transitions. [2025-03-15 01:14:33,427 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5892045454545455 [2025-03-15 01:14:33,427 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1062 predicate places. [2025-03-15 01:14:33,427 INFO L471 AbstractCegarLoop]: Abstraction has has 1151 places, 3667 transitions, 441807 flow [2025-03-15 01:14:33,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:14:33,427 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:14:33,427 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:14:33,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2025-03-15 01:14:33,428 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:14:33,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:14:33,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2076686583, now seen corresponding path program 32 times [2025-03-15 01:14:33,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:14:33,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340615168] [2025-03-15 01:14:33,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:14:33,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:14:33,437 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:14:33,437 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:14:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:14:33,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:14:33,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340615168] [2025-03-15 01:14:33,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340615168] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:14:33,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:14:33,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:14:33,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647023796] [2025-03-15 01:14:33,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:14:33,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:14:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:14:33,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:14:33,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:14:33,954 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:14:33,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1151 places, 3667 transitions, 441807 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:14:33,954 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:14:33,954 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:14:33,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:14:52,538 INFO L124 PetriNetUnfolderBase]: 3091/8567 cut-off events. [2025-03-15 01:14:52,538 INFO L125 PetriNetUnfolderBase]: For 1268054/1270076 co-relation queries the response was YES. [2025-03-15 01:14:52,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394498 conditions, 8567 events. 3091/8567 cut-off events. For 1268054/1270076 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 84138 event pairs, 116 based on Foata normal form. 10/8111 useless extension candidates. Maximal degree in co-relation 392399. Up to 5320 conditions per place. [2025-03-15 01:14:52,729 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2190 selfloop transitions, 462 changer transitions 917/3693 dead transitions. [2025-03-15 01:14:52,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1169 places, 3693 transitions, 452159 flow [2025-03-15 01:14:52,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:14:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:14:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1007 transitions. [2025-03-15 01:14:52,732 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6022727272727273 [2025-03-15 01:14:52,733 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1080 predicate places. [2025-03-15 01:14:52,735 INFO L471 AbstractCegarLoop]: Abstraction has has 1169 places, 3693 transitions, 452159 flow [2025-03-15 01:14:52,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:14:52,735 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:14:52,735 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:14:52,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2025-03-15 01:14:52,735 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:14:52,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:14:52,736 INFO L85 PathProgramCache]: Analyzing trace with hash 623355001, now seen corresponding path program 1 times [2025-03-15 01:14:52,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:14:52,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682119544] [2025-03-15 01:14:52,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:14:52,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:14:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:14:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:14:53,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:14:53,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682119544] [2025-03-15 01:14:53,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682119544] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:14:53,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:14:53,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:14:53,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980553181] [2025-03-15 01:14:53,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:14:53,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:14:53,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:14:53,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:14:53,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:14:53,037 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:14:53,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1169 places, 3693 transitions, 452159 flow. Second operand has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:14:53,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:14:53,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:14:53,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:15:09,811 INFO L124 PetriNetUnfolderBase]: 3116/8677 cut-off events. [2025-03-15 01:15:09,812 INFO L125 PetriNetUnfolderBase]: For 1298198/1300252 co-relation queries the response was YES. [2025-03-15 01:15:09,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 404110 conditions, 8677 events. 3116/8677 cut-off events. For 1298198/1300252 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 85781 event pairs, 124 based on Foata normal form. 7/8215 useless extension candidates. Maximal degree in co-relation 401979. Up to 5362 conditions per place. [2025-03-15 01:15:09,997 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 1877 selfloop transitions, 910 changer transitions 917/3734 dead transitions. [2025-03-15 01:15:09,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1189 places, 3734 transitions, 464533 flow [2025-03-15 01:15:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:15:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:15:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1094 transitions. [2025-03-15 01:15:09,999 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.591991341991342 [2025-03-15 01:15:10,007 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1100 predicate places. [2025-03-15 01:15:10,007 INFO L471 AbstractCegarLoop]: Abstraction has has 1189 places, 3734 transitions, 464533 flow [2025-03-15 01:15:10,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:15:10,007 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:15:10,007 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:15:10,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2025-03-15 01:15:10,008 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:15:10,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:15:10,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1449421271, now seen corresponding path program 33 times [2025-03-15 01:15:10,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:15:10,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930778558] [2025-03-15 01:15:10,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:15:10,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:15:10,018 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:15:10,019 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:15:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:15:10,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:15:10,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930778558] [2025-03-15 01:15:10,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930778558] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:15:10,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:15:10,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:15:10,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806386410] [2025-03-15 01:15:10,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:15:10,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:15:10,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:15:10,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:15:10,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:15:10,402 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:15:10,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1189 places, 3734 transitions, 464533 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:15:10,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:15:10,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:15:10,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:15:27,504 INFO L124 PetriNetUnfolderBase]: 3138/8724 cut-off events. [2025-03-15 01:15:27,504 INFO L125 PetriNetUnfolderBase]: For 1402173/1404311 co-relation queries the response was YES. [2025-03-15 01:15:27,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413265 conditions, 8724 events. 3138/8724 cut-off events. For 1402173/1404311 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 86091 event pairs, 120 based on Foata normal form. 10/8265 useless extension candidates. Maximal degree in co-relation 411102. Up to 5412 conditions per place. [2025-03-15 01:15:27,686 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2250 selfloop transitions, 457 changer transitions 933/3767 dead transitions. [2025-03-15 01:15:27,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1207 places, 3767 transitions, 476001 flow [2025-03-15 01:15:27,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:15:27,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:15:27,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 986 transitions. [2025-03-15 01:15:27,687 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5897129186602871 [2025-03-15 01:15:27,688 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1118 predicate places. [2025-03-15 01:15:27,688 INFO L471 AbstractCegarLoop]: Abstraction has has 1207 places, 3767 transitions, 476001 flow [2025-03-15 01:15:27,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:15:27,688 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:15:27,688 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:15:27,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2025-03-15 01:15:27,688 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:15:27,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:15:27,689 INFO L85 PathProgramCache]: Analyzing trace with hash 594823531, now seen corresponding path program 2 times [2025-03-15 01:15:27,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:15:27,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383711623] [2025-03-15 01:15:27,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:15:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:15:27,699 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:15:27,700 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:15:28,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:15:28,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:15:28,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383711623] [2025-03-15 01:15:28,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383711623] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:15:28,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:15:28,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:15:28,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511455459] [2025-03-15 01:15:28,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:15:28,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:15:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:15:28,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:15:28,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:15:28,018 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:15:28,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1207 places, 3767 transitions, 476001 flow. Second operand has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:15:28,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:15:28,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:15:28,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:15:47,279 INFO L124 PetriNetUnfolderBase]: 3136/8695 cut-off events. [2025-03-15 01:15:47,279 INFO L125 PetriNetUnfolderBase]: For 1401665/1403771 co-relation queries the response was YES. [2025-03-15 01:15:47,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419501 conditions, 8695 events. 3136/8695 cut-off events. For 1401665/1403771 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 85821 event pairs, 110 based on Foata normal form. 7/8232 useless extension candidates. Maximal degree in co-relation 417311. Up to 5402 conditions per place. [2025-03-15 01:15:47,463 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2211 selfloop transitions, 604 changer transitions 933/3778 dead transitions. [2025-03-15 01:15:47,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1221 places, 3778 transitions, 484825 flow [2025-03-15 01:15:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:15:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:15:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 803 transitions. [2025-03-15 01:15:47,464 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6083333333333333 [2025-03-15 01:15:47,465 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1132 predicate places. [2025-03-15 01:15:47,465 INFO L471 AbstractCegarLoop]: Abstraction has has 1221 places, 3778 transitions, 484825 flow [2025-03-15 01:15:47,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:15:47,465 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:15:47,465 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:15:47,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2025-03-15 01:15:47,465 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:15:47,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:15:47,465 INFO L85 PathProgramCache]: Analyzing trace with hash -129448523, now seen corresponding path program 34 times [2025-03-15 01:15:47,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:15:47,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232479567] [2025-03-15 01:15:47,466 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:15:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:15:47,474 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:15:47,474 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:15:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:15:47,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:15:47,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232479567] [2025-03-15 01:15:47,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232479567] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:15:47,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:15:47,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:15:47,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932371741] [2025-03-15 01:15:47,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:15:47,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:15:47,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:15:47,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:15:47,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:15:47,811 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:15:47,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1221 places, 3778 transitions, 484825 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:15:47,812 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:15:47,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:15:47,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:16:07,459 INFO L124 PetriNetUnfolderBase]: 3139/8730 cut-off events. [2025-03-15 01:16:07,459 INFO L125 PetriNetUnfolderBase]: For 1476875/1479067 co-relation queries the response was YES. [2025-03-15 01:16:07,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426341 conditions, 8730 events. 3139/8730 cut-off events. For 1476875/1479067 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 86290 event pairs, 117 based on Foata normal form. 10/8272 useless extension candidates. Maximal degree in co-relation 424118. Up to 5416 conditions per place. [2025-03-15 01:16:07,647 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2262 selfloop transitions, 467 changer transitions 933/3790 dead transitions. [2025-03-15 01:16:07,647 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1241 places, 3790 transitions, 493717 flow [2025-03-15 01:16:07,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:16:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:16:07,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1099 transitions. [2025-03-15 01:16:07,648 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5946969696969697 [2025-03-15 01:16:07,649 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1152 predicate places. [2025-03-15 01:16:07,649 INFO L471 AbstractCegarLoop]: Abstraction has has 1241 places, 3790 transitions, 493717 flow [2025-03-15 01:16:07,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:16:07,649 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:16:07,649 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:16:07,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2025-03-15 01:16:07,649 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:16:07,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:16:07,650 INFO L85 PathProgramCache]: Analyzing trace with hash -681262763, now seen corresponding path program 35 times [2025-03-15 01:16:07,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:16:07,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783851762] [2025-03-15 01:16:07,650 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:16:07,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:16:07,661 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:16:07,661 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:16:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:16:08,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:16:08,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783851762] [2025-03-15 01:16:08,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783851762] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:16:08,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:16:08,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:16:08,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285399630] [2025-03-15 01:16:08,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:16:08,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:16:08,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:16:08,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:16:08,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:16:08,029 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:16:08,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1241 places, 3790 transitions, 493717 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:16:08,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:16:08,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:16:08,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:16:28,187 INFO L124 PetriNetUnfolderBase]: 3137/8798 cut-off events. [2025-03-15 01:16:28,187 INFO L125 PetriNetUnfolderBase]: For 1514403/1516609 co-relation queries the response was YES. [2025-03-15 01:16:28,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432553 conditions, 8798 events. 3137/8798 cut-off events. For 1514403/1516609 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 87682 event pairs, 112 based on Foata normal form. 10/8341 useless extension candidates. Maximal degree in co-relation 430302. Up to 5414 conditions per place. [2025-03-15 01:16:28,386 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2271 selfloop transitions, 462 changer transitions 933/3794 dead transitions. [2025-03-15 01:16:28,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1261 places, 3794 transitions, 501563 flow [2025-03-15 01:16:28,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:16:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:16:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1086 transitions. [2025-03-15 01:16:28,388 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5876623376623377 [2025-03-15 01:16:28,388 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1172 predicate places. [2025-03-15 01:16:28,388 INFO L471 AbstractCegarLoop]: Abstraction has has 1261 places, 3794 transitions, 501563 flow [2025-03-15 01:16:28,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:16:28,388 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:16:28,388 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:16:28,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2025-03-15 01:16:28,389 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:16:28,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:16:28,389 INFO L85 PathProgramCache]: Analyzing trace with hash -51820145, now seen corresponding path program 36 times [2025-03-15 01:16:28,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:16:28,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842454444] [2025-03-15 01:16:28,390 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:16:28,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:16:28,401 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:16:28,401 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:16:28,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:16:28,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:16:28,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842454444] [2025-03-15 01:16:28,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842454444] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:16:28,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:16:28,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:16:28,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915308813] [2025-03-15 01:16:28,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:16:28,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:16:28,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:16:28,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:16:28,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:16:28,809 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:16:28,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1261 places, 3794 transitions, 501563 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:16:28,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:16:28,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:16:28,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:16:49,502 INFO L124 PetriNetUnfolderBase]: 3145/8753 cut-off events. [2025-03-15 01:16:49,503 INFO L125 PetriNetUnfolderBase]: For 1565137/1567374 co-relation queries the response was YES. [2025-03-15 01:16:49,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439749 conditions, 8753 events. 3145/8753 cut-off events. For 1565137/1567374 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 86648 event pairs, 119 based on Foata normal form. 12/8298 useless extension candidates. Maximal degree in co-relation 437466. Up to 5431 conditions per place. [2025-03-15 01:16:49,852 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2227 selfloop transitions, 524 changer transitions 933/3812 dead transitions. [2025-03-15 01:16:49,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1280 places, 3812 transitions, 511365 flow [2025-03-15 01:16:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:16:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:16:49,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1115 transitions. [2025-03-15 01:16:49,854 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6335227272727273 [2025-03-15 01:16:49,854 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1191 predicate places. [2025-03-15 01:16:49,854 INFO L471 AbstractCegarLoop]: Abstraction has has 1280 places, 3812 transitions, 511365 flow [2025-03-15 01:16:49,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:16:49,854 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:16:49,855 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:16:49,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2025-03-15 01:16:49,855 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:16:49,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:16:49,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1622039657, now seen corresponding path program 3 times [2025-03-15 01:16:49,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:16:49,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805327470] [2025-03-15 01:16:49,855 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:16:49,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:16:49,865 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:16:49,865 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:16:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:16:50,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:16:50,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805327470] [2025-03-15 01:16:50,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805327470] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:16:50,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:16:50,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:16:50,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582853183] [2025-03-15 01:16:50,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:16:50,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:16:50,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:16:50,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:16:50,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:16:50,272 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:16:50,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1280 places, 3812 transitions, 511365 flow. Second operand has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:16:50,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:16:50,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:16:50,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:17:08,680 INFO L124 PetriNetUnfolderBase]: 3144/8695 cut-off events. [2025-03-15 01:17:08,680 INFO L125 PetriNetUnfolderBase]: For 1615310/1617335 co-relation queries the response was YES. [2025-03-15 01:17:08,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446109 conditions, 8695 events. 3144/8695 cut-off events. For 1615310/1617335 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 85466 event pairs, 122 based on Foata normal form. 7/8237 useless extension candidates. Maximal degree in co-relation 443792. Up to 5431 conditions per place. [2025-03-15 01:17:08,869 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2227 selfloop transitions, 622 changer transitions 933/3812 dead transitions. [2025-03-15 01:17:08,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1294 places, 3812 transitions, 518893 flow [2025-03-15 01:17:08,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:17:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:17:08,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 800 transitions. [2025-03-15 01:17:08,870 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6060606060606061 [2025-03-15 01:17:08,871 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1205 predicate places. [2025-03-15 01:17:08,871 INFO L471 AbstractCegarLoop]: Abstraction has has 1294 places, 3812 transitions, 518893 flow [2025-03-15 01:17:08,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:17:08,871 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:17:08,871 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:17:08,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2025-03-15 01:17:08,871 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:17:08,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:17:08,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1100622609, now seen corresponding path program 37 times [2025-03-15 01:17:08,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:17:08,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148152750] [2025-03-15 01:17:08,872 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:17:08,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:17:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:17:09,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:17:09,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:17:09,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148152750] [2025-03-15 01:17:09,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148152750] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:17:09,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:17:09,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:17:09,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94580572] [2025-03-15 01:17:09,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:17:09,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:17:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:17:09,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:17:09,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:17:09,226 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:17:09,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1294 places, 3812 transitions, 518893 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:17:09,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:17:09,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:17:09,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:17:30,358 INFO L124 PetriNetUnfolderBase]: 3149/8769 cut-off events. [2025-03-15 01:17:30,358 INFO L125 PetriNetUnfolderBase]: For 1653782/1655626 co-relation queries the response was YES. [2025-03-15 01:17:30,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453398 conditions, 8769 events. 3149/8769 cut-off events. For 1653782/1655626 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 86901 event pairs, 109 based on Foata normal form. 10/8314 useless extension candidates. Maximal degree in co-relation 451055. Up to 5443 conditions per place. [2025-03-15 01:17:30,552 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2272 selfloop transitions, 498 changer transitions 933/3831 dead transitions. [2025-03-15 01:17:30,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1315 places, 3831 transitions, 528947 flow [2025-03-15 01:17:30,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:17:30,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:17:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1160 transitions. [2025-03-15 01:17:30,553 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5991735537190083 [2025-03-15 01:17:30,553 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1226 predicate places. [2025-03-15 01:17:30,554 INFO L471 AbstractCegarLoop]: Abstraction has has 1315 places, 3831 transitions, 528947 flow [2025-03-15 01:17:30,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:17:30,554 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:17:30,554 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:17:30,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2025-03-15 01:17:30,554 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:17:30,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:17:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1657326737, now seen corresponding path program 38 times [2025-03-15 01:17:30,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:17:30,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264492153] [2025-03-15 01:17:30,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:17:30,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:17:30,565 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:17:30,565 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:17:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:17:30,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:17:30,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264492153] [2025-03-15 01:17:30,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264492153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:17:30,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:17:30,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:17:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757463031] [2025-03-15 01:17:30,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:17:30,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:17:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:17:31,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:17:31,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:17:31,000 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:17:31,000 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1315 places, 3831 transitions, 528947 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:17:31,000 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:17:31,000 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:17:31,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:17:52,181 INFO L124 PetriNetUnfolderBase]: 3152/8814 cut-off events. [2025-03-15 01:17:52,181 INFO L125 PetriNetUnfolderBase]: For 1708789/1710663 co-relation queries the response was YES. [2025-03-15 01:17:52,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460334 conditions, 8814 events. 3152/8814 cut-off events. For 1708789/1710663 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 87688 event pairs, 114 based on Foata normal form. 10/8359 useless extension candidates. Maximal degree in co-relation 457959. Up to 5454 conditions per place. [2025-03-15 01:17:52,589 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2287 selfloop transitions, 493 changer transitions 933/3841 dead transitions. [2025-03-15 01:17:52,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1336 places, 3841 transitions, 537773 flow [2025-03-15 01:17:52,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:17:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:17:52,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1137 transitions. [2025-03-15 01:17:52,590 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5872933884297521 [2025-03-15 01:17:52,591 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1247 predicate places. [2025-03-15 01:17:52,591 INFO L471 AbstractCegarLoop]: Abstraction has has 1336 places, 3841 transitions, 537773 flow [2025-03-15 01:17:52,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:17:52,591 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:17:52,591 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:17:52,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2025-03-15 01:17:52,591 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:17:52,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:17:52,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1105512497, now seen corresponding path program 39 times [2025-03-15 01:17:52,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:17:52,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405476114] [2025-03-15 01:17:52,592 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:17:52,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:17:52,600 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:17:52,600 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:17:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:17:52,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:17:52,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405476114] [2025-03-15 01:17:52,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405476114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:17:52,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:17:52,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:17:52,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799304549] [2025-03-15 01:17:52,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:17:52,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:17:52,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:17:52,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:17:52,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:17:52,944 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:17:52,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1336 places, 3841 transitions, 537773 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:17:52,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:17:52,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:17:52,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:18:14,799 INFO L124 PetriNetUnfolderBase]: 3150/8830 cut-off events. [2025-03-15 01:18:14,799 INFO L125 PetriNetUnfolderBase]: For 1739377/1741244 co-relation queries the response was YES. [2025-03-15 01:18:14,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466532 conditions, 8830 events. 3150/8830 cut-off events. For 1739377/1741244 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 88105 event pairs, 108 based on Foata normal form. 10/8376 useless extension candidates. Maximal degree in co-relation 464130. Up to 5451 conditions per place. [2025-03-15 01:18:14,993 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2282 selfloop transitions, 504 changer transitions 933/3847 dead transitions. [2025-03-15 01:18:14,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1357 places, 3847 transitions, 546057 flow [2025-03-15 01:18:14,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:18:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:18:14,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1149 transitions. [2025-03-15 01:18:14,995 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.59349173553719 [2025-03-15 01:18:14,995 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1268 predicate places. [2025-03-15 01:18:14,995 INFO L471 AbstractCegarLoop]: Abstraction has has 1357 places, 3847 transitions, 546057 flow [2025-03-15 01:18:14,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:18:14,995 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:18:14,995 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:18:14,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2025-03-15 01:18:14,996 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:18:14,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:18:14,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1864270283, now seen corresponding path program 40 times [2025-03-15 01:18:14,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:18:14,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505971375] [2025-03-15 01:18:14,996 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:18:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:18:15,006 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:18:15,006 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:18:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:18:15,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:18:15,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505971375] [2025-03-15 01:18:15,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505971375] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:18:15,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:18:15,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:18:15,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825495755] [2025-03-15 01:18:15,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:18:15,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:18:15,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:18:15,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:18:15,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:18:15,481 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:18:15,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1357 places, 3847 transitions, 546057 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:18:15,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:18:15,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:18:15,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:18:36,916 INFO L124 PetriNetUnfolderBase]: 3148/8770 cut-off events. [2025-03-15 01:18:36,916 INFO L125 PetriNetUnfolderBase]: For 1810150/1812061 co-relation queries the response was YES. [2025-03-15 01:18:36,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 472363 conditions, 8770 events. 3148/8770 cut-off events. For 1810150/1812061 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 86976 event pairs, 113 based on Foata normal form. 9/8318 useless extension candidates. Maximal degree in co-relation 469929. Up to 5449 conditions per place. [2025-03-15 01:18:37,116 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2172 selfloop transitions, 622 changer transitions 933/3855 dead transitions. [2025-03-15 01:18:37,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1379 places, 3855 transitions, 554657 flow [2025-03-15 01:18:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-15 01:18:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-15 01:18:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 1296 transitions. [2025-03-15 01:18:37,117 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6403162055335968 [2025-03-15 01:18:37,117 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1290 predicate places. [2025-03-15 01:18:37,117 INFO L471 AbstractCegarLoop]: Abstraction has has 1379 places, 3855 transitions, 554657 flow [2025-03-15 01:18:37,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:18:37,117 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:18:37,118 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:18:37,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2025-03-15 01:18:37,118 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:18:37,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:18:37,118 INFO L85 PathProgramCache]: Analyzing trace with hash -55654997, now seen corresponding path program 4 times [2025-03-15 01:18:37,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:18:37,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994083066] [2025-03-15 01:18:37,118 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:18:37,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:18:37,127 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:18:37,128 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:18:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:18:37,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:18:37,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994083066] [2025-03-15 01:18:37,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994083066] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:18:37,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:18:37,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:18:37,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271936485] [2025-03-15 01:18:37,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:18:37,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:18:37,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:18:37,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:18:37,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:18:37,430 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:18:37,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1379 places, 3855 transitions, 554657 flow. Second operand has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:18:37,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:18:37,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:18:37,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:19:00,946 INFO L124 PetriNetUnfolderBase]: 3157/8776 cut-off events. [2025-03-15 01:19:00,947 INFO L125 PetriNetUnfolderBase]: For 1847219/1848723 co-relation queries the response was YES. [2025-03-15 01:19:00,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 480240 conditions, 8776 events. 3157/8776 cut-off events. For 1847219/1848723 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 86938 event pairs, 112 based on Foata normal form. 5/8320 useless extension candidates. Maximal degree in co-relation 477774. Up to 5466 conditions per place. [2025-03-15 01:19:01,163 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2457 selfloop transitions, 452 changer transitions 933/3872 dead transitions. [2025-03-15 01:19:01,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1395 places, 3872 transitions, 564667 flow [2025-03-15 01:19:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:19:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:19:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 931 transitions. [2025-03-15 01:19:01,164 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6223262032085561 [2025-03-15 01:19:01,165 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1306 predicate places. [2025-03-15 01:19:01,165 INFO L471 AbstractCegarLoop]: Abstraction has has 1395 places, 3872 transitions, 564667 flow [2025-03-15 01:19:01,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:19:01,165 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:19:01,165 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:19:01,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2025-03-15 01:19:01,166 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:19:01,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:19:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1202380593, now seen corresponding path program 41 times [2025-03-15 01:19:01,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:19:01,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525372945] [2025-03-15 01:19:01,167 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:19:01,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:19:01,177 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:19:01,178 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:19:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:19:01,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:19:01,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525372945] [2025-03-15 01:19:01,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525372945] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:19:01,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:19:01,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:19:01,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550350980] [2025-03-15 01:19:01,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:19:01,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:19:01,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:19:01,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:19:01,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:19:01,712 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 45 out of 88 [2025-03-15 01:19:01,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1395 places, 3872 transitions, 564667 flow. Second operand has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:19:01,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:19:01,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 45 of 88 [2025-03-15 01:19:01,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:19:24,247 INFO L124 PetriNetUnfolderBase]: 3165/8846 cut-off events. [2025-03-15 01:19:24,247 INFO L125 PetriNetUnfolderBase]: For 1904100/1906155 co-relation queries the response was YES. [2025-03-15 01:19:24,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 487715 conditions, 8846 events. 3165/8846 cut-off events. For 1904100/1906155 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 88052 event pairs, 121 based on Foata normal form. 9/8392 useless extension candidates. Maximal degree in co-relation 485218. Up to 5483 conditions per place. [2025-03-15 01:19:24,450 INFO L140 encePairwiseOnDemand]: 66/88 looper letters, 2253 selfloop transitions, 574 changer transitions 933/3890 dead transitions. [2025-03-15 01:19:24,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1419 places, 3890 transitions, 574871 flow [2025-03-15 01:19:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-03-15 01:19:24,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2025-03-15 01:19:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 1364 transitions. [2025-03-15 01:19:24,451 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.62 [2025-03-15 01:19:24,452 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1330 predicate places. [2025-03-15 01:19:24,452 INFO L471 AbstractCegarLoop]: Abstraction has has 1419 places, 3890 transitions, 574871 flow [2025-03-15 01:19:24,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 47.46153846153846) internal successors, (617), 13 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:19:24,452 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:19:24,452 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:19:24,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2025-03-15 01:19:24,452 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:19:24,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:19:24,452 INFO L85 PathProgramCache]: Analyzing trace with hash -903771979, now seen corresponding path program 5 times [2025-03-15 01:19:24,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:19:24,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190538170] [2025-03-15 01:19:24,453 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:19:24,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:19:24,461 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:19:24,461 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:19:25,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:19:25,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:19:25,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190538170] [2025-03-15 01:19:25,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190538170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:19:25,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:19:25,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:19:25,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374375130] [2025-03-15 01:19:25,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:19:25,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:19:25,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:19:25,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:19:25,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:19:25,021 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:19:25,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1419 places, 3890 transitions, 574871 flow. Second operand has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:19:25,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:19:25,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:19:25,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:19:49,045 INFO L124 PetriNetUnfolderBase]: 3164/8871 cut-off events. [2025-03-15 01:19:49,046 INFO L125 PetriNetUnfolderBase]: For 1962816/1964795 co-relation queries the response was YES. [2025-03-15 01:19:49,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494196 conditions, 8871 events. 3164/8871 cut-off events. For 1962816/1964795 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 88501 event pairs, 118 based on Foata normal form. 4/8414 useless extension candidates. Maximal degree in co-relation 491667. Up to 5482 conditions per place. [2025-03-15 01:19:49,273 INFO L140 encePairwiseOnDemand]: 69/88 looper letters, 2482 selfloop transitions, 445 changer transitions 933/3890 dead transitions. [2025-03-15 01:19:49,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1435 places, 3890 transitions, 582555 flow [2025-03-15 01:19:49,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:19:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:19:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 928 transitions. [2025-03-15 01:19:49,274 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6203208556149733 [2025-03-15 01:19:49,274 INFO L298 CegarLoopForPetriNet]: 89 programPoint places, 1346 predicate places. [2025-03-15 01:19:49,274 INFO L471 AbstractCegarLoop]: Abstraction has has 1435 places, 3890 transitions, 582555 flow [2025-03-15 01:19:49,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:19:49,275 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:19:49,275 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:19:49,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2025-03-15 01:19:49,275 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2025-03-15 01:19:49,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:19:49,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1183365051, now seen corresponding path program 6 times [2025-03-15 01:19:49,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:19:49,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535982018] [2025-03-15 01:19:49,276 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:19:49,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:19:49,289 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:19:49,289 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:19:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:19:49,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:19:49,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535982018] [2025-03-15 01:19:49,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535982018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:19:49,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:19:49,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:19:49,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355988224] [2025-03-15 01:19:49,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:19:49,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:19:49,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:19:49,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:19:49,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:19:49,700 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 88 [2025-03-15 01:19:49,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1435 places, 3890 transitions, 582555 flow. Second operand has 13 states, 13 states have (on average 45.69230769230769) internal successors, (594), 13 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:19:49,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:19:49,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 88 [2025-03-15 01:19:49,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 01:20:05,768 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 01:20:05,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:20:05,787 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-03-15 01:20:05,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2025-03-15 01:20:05,787 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 43/88 universal loopers) in iteration 78,while PetriNetUnfolder was constructing finite prefix that currently has 370324 conditions, 6324 events (2423/6323 cut-off events. For 1724430/1726211 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 63873 event pairs, 78 based on Foata normal form. 3/6309 useless extension candidates. Maximal degree in co-relation 368492. Up to 4244 conditions per place.). [2025-03-15 01:20:05,789 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2025-03-15 01:20:05,789 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2025-03-15 01:20:05,789 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2025-03-15 01:20:05,789 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-03-15 01:20:05,789 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-03-15 01:20:05,789 INFO L422 BasicCegarLoop]: Path program histogram: [41, 26, 6, 1, 1, 1, 1, 1] [2025-03-15 01:20:05,795 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:20:05,795 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:20:05,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:20:05 BasicIcfg [2025-03-15 01:20:05,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:20:05,806 INFO L158 Benchmark]: Toolchain (without parser) took 824213.12ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.2GB). Free memory was 42.4MB in the beginning and 881.1MB in the end (delta: -838.8MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2025-03-15 01:20:05,806 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 71.3MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:20:05,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.44ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 39.7MB in the end (delta: 2.5MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. [2025-03-15 01:20:05,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.98ms. Allocated memory is still 71.3MB. Free memory was 39.7MB in the beginning and 37.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:20:05,806 INFO L158 Benchmark]: Boogie Preprocessor took 30.82ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 36.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:20:05,806 INFO L158 Benchmark]: RCFGBuilder took 320.93ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 21.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:20:05,807 INFO L158 Benchmark]: TraceAbstraction took 823435.15ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.2GB). Free memory was 20.6MB in the beginning and 881.1MB in the end (delta: -860.6MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2025-03-15 01:20:05,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 71.3MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 393.44ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 39.7MB in the end (delta: 2.5MB). Peak memory consumption was 25.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.98ms. Allocated memory is still 71.3MB. Free memory was 39.7MB in the beginning and 37.7MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.82ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 36.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 320.93ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 21.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 823435.15ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.2GB). Free memory was 20.6MB in the beginning and 881.1MB in the end (delta: -860.6MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 43/88 universal loopers) in iteration 78,while PetriNetUnfolder was constructing finite prefix that currently has 370324 conditions, 6324 events (2423/6323 cut-off events. For 1724430/1726211 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 63873 event pairs, 78 based on Foata normal form. 3/6309 useless extension candidates. Maximal degree in co-relation 368492. Up to 4244 conditions per place.). - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 43/88 universal loopers) in iteration 78,while PetriNetUnfolder was constructing finite prefix that currently has 370324 conditions, 6324 events (2423/6323 cut-off events. For 1724430/1726211 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 63873 event pairs, 78 based on Foata normal form. 3/6309 useless extension candidates. Maximal degree in co-relation 368492. Up to 4244 conditions per place.). - TimeoutResultAtElement [Line: 1031]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 43/88 universal loopers) in iteration 78,while PetriNetUnfolder was constructing finite prefix that currently has 370324 conditions, 6324 events (2423/6323 cut-off events. For 1724430/1726211 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 63873 event pairs, 78 based on Foata normal form. 3/6309 useless extension candidates. Maximal degree in co-relation 368492. Up to 4244 conditions per place.). - TimeoutResultAtElement [Line: 1031]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 43/88 universal loopers) in iteration 78,while PetriNetUnfolder was constructing finite prefix that currently has 370324 conditions, 6324 events (2423/6323 cut-off events. For 1724430/1726211 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 63873 event pairs, 78 based on Foata normal form. 3/6309 useless extension candidates. Maximal degree in co-relation 368492. Up to 4244 conditions per place.). - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (13states, 43/88 universal loopers) in iteration 78,while PetriNetUnfolder was constructing finite prefix that currently has 370324 conditions, 6324 events (2423/6323 cut-off events. For 1724430/1726211 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 63873 event pairs, 78 based on Foata normal form. 3/6309 useless extension candidates. Maximal degree in co-relation 368492. Up to 4244 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 823.3s, OverallIterations: 78, TraceHistogramMax: 2, PathProgramHistogramMax: 41, EmptinessCheckTime: 0.0s, AutomataDifference: 790.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6758 SdHoareTripleChecker+Valid, 30.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6758 mSDsluCounter, 10768 SdHoareTripleChecker+Invalid, 24.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7839 mSDsCounter, 1320 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54477 IncrementalHoareTripleChecker+Invalid, 55797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1320 mSolverCounterUnsat, 2929 mSDtfsCounter, 54477 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1713 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1613 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7153 ImplicationChecksByTransitivity, 23.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582555occurred in iteration=77, InterpolantAutomatonStates: 1424, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 31.3s InterpolantComputationTime, 4458 NumberOfCodeBlocks, 4422 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 4380 ConstructedInterpolants, 0 QuantifiedInterpolants, 57496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 78 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown