/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-struct.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:08:35,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:08:35,617 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 01:08:35,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:08:35,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:08:35,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:08:35,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:08:35,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:08:35,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:08:35,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:08:35,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:08:35,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:08:35,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:08:35,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:08:35,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:08:35,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:08:35,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:08:35,654 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:08:35,654 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 01:08:35,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:08:35,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:08:35,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:08:35,967 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:08:35,968 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:08:35,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-race-challenges/per-thread-struct.i [2025-03-15 01:08:37,311 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcbdc04a/48fb1c8974e0478d9fea3702b680c156/FLAG2febe2bac [2025-03-15 01:08:37,573 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:08:37,573 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-race-challenges/per-thread-struct.i [2025-03-15 01:08:37,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcbdc04a/48fb1c8974e0478d9fea3702b680c156/FLAG2febe2bac [2025-03-15 01:08:37,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbcbdc04a/48fb1c8974e0478d9fea3702b680c156 [2025-03-15 01:08:37,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:08:37,614 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:08:37,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:08:37,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:08:37,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:08:37,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:08:37" (1/1) ... [2025-03-15 01:08:37,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eaf2f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:37, skipping insertion in model container [2025-03-15 01:08:37,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:08:37" (1/1) ... [2025-03-15 01:08:37,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:08:37,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:08:37,962 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:08:38,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:08:38,077 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:08:38,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38 WrapperNode [2025-03-15 01:08:38,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:08:38,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:08:38,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:08:38,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:08:38,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,114 INFO L138 Inliner]: procedures = 261, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2025-03-15 01:08:38,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:08:38,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:08:38,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:08:38,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:08:38,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,133 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:08:38,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:08:38,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:08:38,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:08:38,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (1/1) ... [2025-03-15 01:08:38,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:08:38,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:08:38,168 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 01:08:38,171 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 01:08:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-15 01:08:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:08:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:08:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:08:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-03-15 01:08:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-03-15 01:08:38,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:08:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:08:38,190 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 01:08:38,299 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:08:38,300 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:08:38,458 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:08:38,458 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:08:38,466 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:08:38,466 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:08:38,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:08:38 BoogieIcfgContainer [2025-03-15 01:08:38,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:08:38,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:08:38,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:08:38,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:08:38,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:08:37" (1/3) ... [2025-03-15 01:08:38,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc5dbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:08:38, skipping insertion in model container [2025-03-15 01:08:38,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:08:38" (2/3) ... [2025-03-15 01:08:38,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc5dbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:08:38, skipping insertion in model container [2025-03-15 01:08:38,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:08:38" (3/3) ... [2025-03-15 01:08:38,474 INFO L128 eAbstractionObserver]: Analyzing ICFG per-thread-struct.i [2025-03-15 01:08:38,485 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:08:38,486 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-struct.i that has 2 procedures, 81 locations, 1 initial locations, 2 loop locations, and 3 error locations. [2025-03-15 01:08:38,487 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:08:38,547 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:08:38,584 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:08:38,593 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;@79d1161c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:08:38,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-15 01:08:38,616 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:08:38,619 INFO L124 PetriNetUnfolderBase]: 1/46 cut-off events. [2025-03-15 01:08:38,620 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:08:38,620 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:38,621 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] [2025-03-15 01:08:38,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:08:38,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:38,626 INFO L85 PathProgramCache]: Analyzing trace with hash 746594191, now seen corresponding path program 1 times [2025-03-15 01:08:38,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:38,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956264294] [2025-03-15 01:08:38,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:38,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:38,909 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 01:08:38,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:38,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956264294] [2025-03-15 01:08:38,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956264294] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:38,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:38,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:38,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249436513] [2025-03-15 01:08:38,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:38,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:08:38,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:38,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:08:38,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:08:38,939 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 83 [2025-03-15 01:08:38,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 83 transitions, 173 flow. Second operand has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 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 01:08:38,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:38,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 83 [2025-03-15 01:08:38,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:39,065 INFO L124 PetriNetUnfolderBase]: 1/120 cut-off events. [2025-03-15 01:08:39,066 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 01:08:39,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 120 events. 1/120 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 159 event pairs, 0 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 31. Up to 43 conditions per place. [2025-03-15 01:08:39,070 INFO L140 encePairwiseOnDemand]: 74/83 looper letters, 39 selfloop transitions, 2 changer transitions 7/96 dead transitions. [2025-03-15 01:08:39,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 96 transitions, 293 flow [2025-03-15 01:08:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 343 transitions. [2025-03-15 01:08:39,080 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6887550200803213 [2025-03-15 01:08:39,083 INFO L298 CegarLoopForPetriNet]: 84 programPoint places, 5 predicate places. [2025-03-15 01:08:39,083 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 96 transitions, 293 flow [2025-03-15 01:08:39,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 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 01:08:39,083 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:39,084 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 01:08:39,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:08:39,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:08:39,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1940129804, now seen corresponding path program 1 times [2025-03-15 01:08:39,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:39,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168980954] [2025-03-15 01:08:39,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:39,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:39,503 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 01:08:39,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:39,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168980954] [2025-03-15 01:08:39,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168980954] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:39,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:39,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:39,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014915388] [2025-03-15 01:08:39,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:39,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:08:39,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:39,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:08:39,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:08:39,508 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 83 [2025-03-15 01:08:39,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 96 transitions, 293 flow. Second operand has 6 states, 6 states have (on average 49.833333333333336) internal successors, (299), 6 states have internal predecessors, (299), 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 01:08:39,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:39,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 83 [2025-03-15 01:08:39,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:39,779 INFO L124 PetriNetUnfolderBase]: 157/548 cut-off events. [2025-03-15 01:08:39,780 INFO L125 PetriNetUnfolderBase]: For 77/83 co-relation queries the response was YES. [2025-03-15 01:08:39,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 548 events. 157/548 cut-off events. For 77/83 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2864 event pairs, 101 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 1006. Up to 322 conditions per place. [2025-03-15 01:08:39,795 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 44 selfloop transitions, 26 changer transitions 7/124 dead transitions. [2025-03-15 01:08:39,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 124 transitions, 501 flow [2025-03-15 01:08:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 352 transitions. [2025-03-15 01:08:39,798 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7068273092369478 [2025-03-15 01:08:39,798 INFO L298 CegarLoopForPetriNet]: 84 programPoint places, 10 predicate places. [2025-03-15 01:08:39,799 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 124 transitions, 501 flow [2025-03-15 01:08:39,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.833333333333336) internal successors, (299), 6 states have internal predecessors, (299), 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 01:08:39,799 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:39,799 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] [2025-03-15 01:08:39,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:08:39,799 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:08:39,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:39,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1437024072, now seen corresponding path program 1 times [2025-03-15 01:08:39,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:39,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993836844] [2025-03-15 01:08:39,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:39,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:40,117 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 01:08:40,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:40,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993836844] [2025-03-15 01:08:40,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993836844] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:40,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:40,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:40,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531019891] [2025-03-15 01:08:40,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:40,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:08:40,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:40,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:08:40,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:08:40,120 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 83 [2025-03-15 01:08:40,120 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 124 transitions, 501 flow. Second operand has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 01:08:40,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:40,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 83 [2025-03-15 01:08:40,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:40,376 INFO L124 PetriNetUnfolderBase]: 261/793 cut-off events. [2025-03-15 01:08:40,376 INFO L125 PetriNetUnfolderBase]: For 202/229 co-relation queries the response was YES. [2025-03-15 01:08:40,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 793 events. 261/793 cut-off events. For 202/229 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4531 event pairs, 103 based on Foata normal form. 0/713 useless extension candidates. Maximal degree in co-relation 2027. Up to 428 conditions per place. [2025-03-15 01:08:40,384 INFO L140 encePairwiseOnDemand]: 68/83 looper letters, 67 selfloop transitions, 52 changer transitions 12/185 dead transitions. [2025-03-15 01:08:40,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 185 transitions, 1085 flow [2025-03-15 01:08:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 421 transitions. [2025-03-15 01:08:40,387 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8453815261044176 [2025-03-15 01:08:40,387 INFO L298 CegarLoopForPetriNet]: 84 programPoint places, 15 predicate places. [2025-03-15 01:08:40,387 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 185 transitions, 1085 flow [2025-03-15 01:08:40,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 01:08:40,388 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:40,388 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] [2025-03-15 01:08:40,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:08:40,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:08:40,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:40,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1379525028, now seen corresponding path program 1 times [2025-03-15 01:08:40,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:40,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610968526] [2025-03-15 01:08:40,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:40,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:40,659 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 01:08:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:40,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610968526] [2025-03-15 01:08:40,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610968526] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:40,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:40,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:40,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659138397] [2025-03-15 01:08:40,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:40,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:08:40,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:40,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:08:40,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:08:40,662 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 83 [2025-03-15 01:08:40,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 185 transitions, 1085 flow. Second operand has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 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 01:08:40,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:40,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 83 [2025-03-15 01:08:40,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:40,908 INFO L124 PetriNetUnfolderBase]: 307/918 cut-off events. [2025-03-15 01:08:40,908 INFO L125 PetriNetUnfolderBase]: For 523/589 co-relation queries the response was YES. [2025-03-15 01:08:40,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3102 conditions, 918 events. 307/918 cut-off events. For 523/589 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5537 event pairs, 114 based on Foata normal form. 0/841 useless extension candidates. Maximal degree in co-relation 2905. Up to 504 conditions per place. [2025-03-15 01:08:40,913 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 114 selfloop transitions, 25 changer transitions 38/224 dead transitions. [2025-03-15 01:08:40,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 224 transitions, 1674 flow [2025-03-15 01:08:40,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 364 transitions. [2025-03-15 01:08:40,915 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7309236947791165 [2025-03-15 01:08:40,916 INFO L298 CegarLoopForPetriNet]: 84 programPoint places, 20 predicate places. [2025-03-15 01:08:40,916 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 224 transitions, 1674 flow [2025-03-15 01:08:40,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.833333333333336) internal successors, (317), 6 states have internal predecessors, (317), 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 01:08:40,916 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:40,916 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2025-03-15 01:08:40,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:08:40,916 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:08:40,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:40,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1552078779, now seen corresponding path program 1 times [2025-03-15 01:08:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:40,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875307166] [2025-03-15 01:08:40,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:40,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 01:08:40,939 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-15 01:08:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 01:08:40,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-15 01:08:40,972 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-15 01:08:40,973 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2025-03-15 01:08:40,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2025-03-15 01:08:40,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2025-03-15 01:08:40,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2025-03-15 01:08:40,975 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2025-03-15 01:08:40,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:08:40,975 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:08:40,976 WARN L336 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-15 01:08:40,977 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-15 01:08:40,994 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:08:40,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:08:41,000 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;@79d1161c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:08:41,000 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-15 01:08:41,003 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:08:41,003 INFO L124 PetriNetUnfolderBase]: 1/46 cut-off events. [2025-03-15 01:08:41,003 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:08:41,004 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:41,004 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] [2025-03-15 01:08:41,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:41,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:41,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1385153039, now seen corresponding path program 1 times [2025-03-15 01:08:41,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:41,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741799848] [2025-03-15 01:08:41,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:41,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:41,053 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 01:08:41,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:41,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741799848] [2025-03-15 01:08:41,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741799848] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:41,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:41,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:41,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374385739] [2025-03-15 01:08:41,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:41,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:08:41,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:41,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:08:41,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:08:41,055 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 102 [2025-03-15 01:08:41,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 102 transitions, 220 flow. Second operand has 5 states, 5 states have (on average 69.0) internal successors, (345), 5 states have internal predecessors, (345), 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 01:08:41,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:41,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 102 [2025-03-15 01:08:41,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:41,148 INFO L124 PetriNetUnfolderBase]: 3/203 cut-off events. [2025-03-15 01:08:41,148 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-15 01:08:41,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 203 events. 3/203 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 426 event pairs, 0 based on Foata normal form. 1/187 useless extension candidates. Maximal degree in co-relation 180. Up to 86 conditions per place. [2025-03-15 01:08:41,149 INFO L140 encePairwiseOnDemand]: 93/102 looper letters, 43 selfloop transitions, 2 changer transitions 7/117 dead transitions. [2025-03-15 01:08:41,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 117 transitions, 352 flow [2025-03-15 01:08:41,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 449 transitions. [2025-03-15 01:08:41,151 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7336601307189542 [2025-03-15 01:08:41,152 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 5 predicate places. [2025-03-15 01:08:41,152 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 117 transitions, 352 flow [2025-03-15 01:08:41,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.0) internal successors, (345), 5 states have internal predecessors, (345), 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 01:08:41,152 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:41,152 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 01:08:41,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:08:41,152 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:41,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:41,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1043541734, now seen corresponding path program 1 times [2025-03-15 01:08:41,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:41,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102589277] [2025-03-15 01:08:41,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:41,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:41,337 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 01:08:41,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:41,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102589277] [2025-03-15 01:08:41,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102589277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:41,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:41,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:41,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822984788] [2025-03-15 01:08:41,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:41,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:08:41,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:41,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:08:41,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:08:41,340 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 102 [2025-03-15 01:08:41,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 117 transitions, 352 flow. Second operand has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 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 01:08:41,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:41,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 102 [2025-03-15 01:08:41,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:41,976 INFO L124 PetriNetUnfolderBase]: 2586/5749 cut-off events. [2025-03-15 01:08:41,976 INFO L125 PetriNetUnfolderBase]: For 970/1081 co-relation queries the response was YES. [2025-03-15 01:08:41,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11677 conditions, 5749 events. 2586/5749 cut-off events. For 970/1081 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 44463 event pairs, 1818 based on Foata normal form. 0/4996 useless extension candidates. Maximal degree in co-relation 1843. Up to 3804 conditions per place. [2025-03-15 01:08:42,010 INFO L140 encePairwiseOnDemand]: 87/102 looper letters, 63 selfloop transitions, 42 changer transitions 7/170 dead transitions. [2025-03-15 01:08:42,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 170 transitions, 687 flow [2025-03-15 01:08:42,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 451 transitions. [2025-03-15 01:08:42,012 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7369281045751634 [2025-03-15 01:08:42,013 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 10 predicate places. [2025-03-15 01:08:42,013 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 170 transitions, 687 flow [2025-03-15 01:08:42,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.833333333333336) internal successors, (365), 6 states have internal predecessors, (365), 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 01:08:42,013 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:42,013 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] [2025-03-15 01:08:42,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:08:42,013 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:42,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:42,014 INFO L85 PathProgramCache]: Analyzing trace with hash -711522499, now seen corresponding path program 1 times [2025-03-15 01:08:42,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:42,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911655908] [2025-03-15 01:08:42,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:42,222 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 01:08:42,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:42,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911655908] [2025-03-15 01:08:42,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911655908] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:42,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:42,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:42,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066945972] [2025-03-15 01:08:42,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:42,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:08:42,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:42,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:08:42,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:08:42,227 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 102 [2025-03-15 01:08:42,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 170 transitions, 687 flow. Second operand has 6 states, 6 states have (on average 70.33333333333333) internal successors, (422), 6 states have internal predecessors, (422), 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 01:08:42,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:42,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 102 [2025-03-15 01:08:42,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:43,559 INFO L124 PetriNetUnfolderBase]: 6033/12440 cut-off events. [2025-03-15 01:08:43,560 INFO L125 PetriNetUnfolderBase]: For 3009/3499 co-relation queries the response was YES. [2025-03-15 01:08:43,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32944 conditions, 12440 events. 6033/12440 cut-off events. For 3009/3499 co-relation queries the response was YES. Maximal size of possible extension queue 494. Compared 105087 event pairs, 2516 based on Foata normal form. 7/11151 useless extension candidates. Maximal degree in co-relation 11438. Up to 7700 conditions per place. [2025-03-15 01:08:43,646 INFO L140 encePairwiseOnDemand]: 83/102 looper letters, 134 selfloop transitions, 96 changer transitions 7/309 dead transitions. [2025-03-15 01:08:43,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 309 transitions, 1881 flow [2025-03-15 01:08:43,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:43,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 527 transitions. [2025-03-15 01:08:43,648 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8611111111111112 [2025-03-15 01:08:43,649 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 15 predicate places. [2025-03-15 01:08:43,649 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 309 transitions, 1881 flow [2025-03-15 01:08:43,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 70.33333333333333) internal successors, (422), 6 states have internal predecessors, (422), 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 01:08:43,649 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:43,649 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] [2025-03-15 01:08:43,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:08:43,650 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:43,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1967722287, now seen corresponding path program 1 times [2025-03-15 01:08:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:43,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330162151] [2025-03-15 01:08:43,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:43,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:43,884 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 01:08:43,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:43,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330162151] [2025-03-15 01:08:43,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330162151] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:43,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:43,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:08:43,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27995978] [2025-03-15 01:08:43,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:43,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:08:43,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:43,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:08:43,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:08:43,886 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 102 [2025-03-15 01:08:43,887 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 309 transitions, 1881 flow. Second operand has 6 states, 6 states have (on average 63.833333333333336) internal successors, (383), 6 states have internal predecessors, (383), 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 01:08:43,887 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:43,887 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 102 [2025-03-15 01:08:43,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:45,507 INFO L124 PetriNetUnfolderBase]: 7738/15507 cut-off events. [2025-03-15 01:08:45,507 INFO L125 PetriNetUnfolderBase]: For 6691/9540 co-relation queries the response was YES. [2025-03-15 01:08:45,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51282 conditions, 15507 events. 7738/15507 cut-off events. For 6691/9540 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 131409 event pairs, 2751 based on Foata normal form. 86/14020 useless extension candidates. Maximal degree in co-relation 19170. Up to 9580 conditions per place. [2025-03-15 01:08:45,649 INFO L140 encePairwiseOnDemand]: 87/102 looper letters, 264 selfloop transitions, 80 changer transitions 10/419 dead transitions. [2025-03-15 01:08:45,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 419 transitions, 3285 flow [2025-03-15 01:08:45,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:08:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:08:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 463 transitions. [2025-03-15 01:08:45,651 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7565359477124183 [2025-03-15 01:08:45,652 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 20 predicate places. [2025-03-15 01:08:45,652 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 419 transitions, 3285 flow [2025-03-15 01:08:45,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.833333333333336) internal successors, (383), 6 states have internal predecessors, (383), 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 01:08:45,652 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:45,652 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 01:08:45,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:08:45,652 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:45,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:45,653 INFO L85 PathProgramCache]: Analyzing trace with hash 960096679, now seen corresponding path program 1 times [2025-03-15 01:08:45,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:45,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325222679] [2025-03-15 01:08:45,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:45,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:46,094 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 01:08:46,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:46,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325222679] [2025-03-15 01:08:46,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325222679] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:46,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:46,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:08:46,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515266480] [2025-03-15 01:08:46,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:46,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:08:46,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:46,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:08:46,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:08:46,097 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 102 [2025-03-15 01:08:46,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 419 transitions, 3285 flow. Second operand has 14 states, 14 states have (on average 54.92857142857143) internal successors, (769), 14 states have internal predecessors, (769), 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 01:08:46,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:46,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 102 [2025-03-15 01:08:46,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:50,461 INFO L124 PetriNetUnfolderBase]: 11800/23720 cut-off events. [2025-03-15 01:08:50,462 INFO L125 PetriNetUnfolderBase]: For 25919/26957 co-relation queries the response was YES. [2025-03-15 01:08:50,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92731 conditions, 23720 events. 11800/23720 cut-off events. For 25919/26957 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 213821 event pairs, 1124 based on Foata normal form. 88/21731 useless extension candidates. Maximal degree in co-relation 83557. Up to 13284 conditions per place. [2025-03-15 01:08:50,644 INFO L140 encePairwiseOnDemand]: 78/102 looper letters, 1156 selfloop transitions, 628 changer transitions 66/1908 dead transitions. [2025-03-15 01:08:50,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 1908 transitions, 18869 flow [2025-03-15 01:08:50,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-03-15 01:08:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2025-03-15 01:08:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 4228 transitions. [2025-03-15 01:08:50,656 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6377073906485671 [2025-03-15 01:08:50,657 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 84 predicate places. [2025-03-15 01:08:50,657 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 1908 transitions, 18869 flow [2025-03-15 01:08:50,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 54.92857142857143) internal successors, (769), 14 states have internal predecessors, (769), 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 01:08:50,660 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:50,660 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 01:08:50,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:08:50,660 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:50,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:50,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1891060014, now seen corresponding path program 1 times [2025-03-15 01:08:50,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:50,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576429297] [2025-03-15 01:08:50,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:08:50,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:08:51,064 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 01:08:51,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:51,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576429297] [2025-03-15 01:08:51,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576429297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:51,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:51,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:08:51,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855473447] [2025-03-15 01:08:51,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:51,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:08:51,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:51,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:08:51,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:08:51,066 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:08:51,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 1908 transitions, 18869 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:08:51,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:51,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:08:51,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:56,364 INFO L124 PetriNetUnfolderBase]: 12911/26170 cut-off events. [2025-03-15 01:08:56,364 INFO L125 PetriNetUnfolderBase]: For 33391/35448 co-relation queries the response was YES. [2025-03-15 01:08:56,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120950 conditions, 26170 events. 12911/26170 cut-off events. For 33391/35448 co-relation queries the response was YES. Maximal size of possible extension queue 807. Compared 239619 event pairs, 1678 based on Foata normal form. 268/24287 useless extension candidates. Maximal degree in co-relation 108921. Up to 14448 conditions per place. [2025-03-15 01:08:56,548 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 1699 selfloop transitions, 483 changer transitions 98/2364 dead transitions. [2025-03-15 01:08:56,548 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 2364 transitions, 27676 flow [2025-03-15 01:08:56,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 01:08:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 01:08:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 2285 transitions. [2025-03-15 01:08:56,552 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6222766884531591 [2025-03-15 01:08:56,553 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 119 predicate places. [2025-03-15 01:08:56,553 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 2364 transitions, 27676 flow [2025-03-15 01:08:56,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:08:56,553 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:56,553 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 01:08:56,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 01:08:56,553 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:56,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:56,555 INFO L85 PathProgramCache]: Analyzing trace with hash -842147306, now seen corresponding path program 2 times [2025-03-15 01:08:56,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:56,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863860264] [2025-03-15 01:08:56,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:08:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:56,570 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:08:56,570 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:56,892 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 01:08:56,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:56,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863860264] [2025-03-15 01:08:56,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863860264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:56,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:56,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:08:56,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170022774] [2025-03-15 01:08:56,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:56,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:08:56,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:56,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:08:56,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:08:56,894 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:08:56,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 2364 transitions, 27676 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:08:56,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:56,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:08:56,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:03,225 INFO L124 PetriNetUnfolderBase]: 14048/28347 cut-off events. [2025-03-15 01:09:03,226 INFO L125 PetriNetUnfolderBase]: For 49892/53874 co-relation queries the response was YES. [2025-03-15 01:09:03,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154193 conditions, 28347 events. 14048/28347 cut-off events. For 49892/53874 co-relation queries the response was YES. Maximal size of possible extension queue 898. Compared 262010 event pairs, 781 based on Foata normal form. 555/26626 useless extension candidates. Maximal degree in co-relation 137237. Up to 16029 conditions per place. [2025-03-15 01:09:03,421 INFO L140 encePairwiseOnDemand]: 78/102 looper letters, 1962 selfloop transitions, 649 changer transitions 244/2939 dead transitions. [2025-03-15 01:09:03,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 2939 transitions, 40079 flow [2025-03-15 01:09:03,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-03-15 01:09:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2025-03-15 01:09:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 2693 transitions. [2025-03-15 01:09:03,428 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6000445632798574 [2025-03-15 01:09:03,430 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 162 predicate places. [2025-03-15 01:09:03,430 INFO L471 AbstractCegarLoop]: Abstraction has has 266 places, 2939 transitions, 40079 flow [2025-03-15 01:09:03,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:03,430 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:03,430 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 01:09:03,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 01:09:03,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:03,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:03,431 INFO L85 PathProgramCache]: Analyzing trace with hash -376350558, now seen corresponding path program 3 times [2025-03-15 01:09:03,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:03,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765386961] [2025-03-15 01:09:03,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:09:03,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:03,444 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:09:03,449 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:03,747 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 01:09:03,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:03,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765386961] [2025-03-15 01:09:03,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765386961] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:03,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:03,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:03,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114527515] [2025-03-15 01:09:03,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:03,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:03,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:03,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:03,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:03,748 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:09:03,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 2939 transitions, 40079 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:03,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:03,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:09:03,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:12,074 INFO L124 PetriNetUnfolderBase]: 14744/30187 cut-off events. [2025-03-15 01:09:12,074 INFO L125 PetriNetUnfolderBase]: For 70880/75353 co-relation queries the response was YES. [2025-03-15 01:09:12,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187065 conditions, 30187 events. 14744/30187 cut-off events. For 70880/75353 co-relation queries the response was YES. Maximal size of possible extension queue 941. Compared 283723 event pairs, 750 based on Foata normal form. 523/28336 useless extension candidates. Maximal degree in co-relation 165350. Up to 17073 conditions per place. [2025-03-15 01:09:12,279 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 2170 selfloop transitions, 775 changer transitions 382/3411 dead transitions. [2025-03-15 01:09:12,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 3411 transitions, 52893 flow [2025-03-15 01:09:12,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-15 01:09:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2025-03-15 01:09:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 1809 transitions. [2025-03-15 01:09:12,283 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6334033613445378 [2025-03-15 01:09:12,284 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 189 predicate places. [2025-03-15 01:09:12,284 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 3411 transitions, 52893 flow [2025-03-15 01:09:12,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:12,285 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:12,285 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 01:09:12,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 01:09:12,285 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:12,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1783943888, now seen corresponding path program 4 times [2025-03-15 01:09:12,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:12,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039230763] [2025-03-15 01:09:12,286 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:09:12,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:12,303 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:09:12,303 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:12,558 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 01:09:12,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:12,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039230763] [2025-03-15 01:09:12,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039230763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:12,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:12,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:12,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767411144] [2025-03-15 01:09:12,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:12,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:12,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:12,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:12,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:12,559 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:09:12,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 3411 transitions, 52893 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:12,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:12,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:09:12,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:24,014 INFO L124 PetriNetUnfolderBase]: 16523/33631 cut-off events. [2025-03-15 01:09:24,015 INFO L125 PetriNetUnfolderBase]: For 94636/103117 co-relation queries the response was YES. [2025-03-15 01:09:24,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236554 conditions, 33631 events. 16523/33631 cut-off events. For 94636/103117 co-relation queries the response was YES. Maximal size of possible extension queue 1066. Compared 318411 event pairs, 1344 based on Foata normal form. 763/31673 useless extension candidates. Maximal degree in co-relation 208100. Up to 19525 conditions per place. [2025-03-15 01:09:24,295 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 2504 selfloop transitions, 1069 changer transitions 511/4168 dead transitions. [2025-03-15 01:09:24,295 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 4168 transitions, 73058 flow [2025-03-15 01:09:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 01:09:24,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 01:09:24,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2403 transitions. [2025-03-15 01:09:24,301 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6199690402476781 [2025-03-15 01:09:24,301 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 226 predicate places. [2025-03-15 01:09:24,301 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 4168 transitions, 73058 flow [2025-03-15 01:09:24,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:24,302 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:24,302 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 01:09:24,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-15 01:09:24,302 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:24,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2143875002, now seen corresponding path program 5 times [2025-03-15 01:09:24,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:24,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957196772] [2025-03-15 01:09:24,303 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:09:24,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:24,316 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:09:24,316 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:24,568 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 01:09:24,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:24,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957196772] [2025-03-15 01:09:24,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957196772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:24,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:24,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:24,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755888920] [2025-03-15 01:09:24,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:24,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:24,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:24,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:24,569 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:09:24,570 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 4168 transitions, 73058 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:24,570 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:24,570 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:09:24,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:38,630 INFO L124 PetriNetUnfolderBase]: 17676/36123 cut-off events. [2025-03-15 01:09:38,630 INFO L125 PetriNetUnfolderBase]: For 123091/131389 co-relation queries the response was YES. [2025-03-15 01:09:38,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282817 conditions, 36123 events. 17676/36123 cut-off events. For 123091/131389 co-relation queries the response was YES. Maximal size of possible extension queue 1152. Compared 346700 event pairs, 1382 based on Foata normal form. 710/33971 useless extension candidates. Maximal degree in co-relation 244867. Up to 21188 conditions per place. [2025-03-15 01:09:38,953 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 2729 selfloop transitions, 1342 changer transitions 641/4796 dead transitions. [2025-03-15 01:09:38,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 4796 transitions, 93681 flow [2025-03-15 01:09:38,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 01:09:38,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 01:09:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2396 transitions. [2025-03-15 01:09:38,958 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6181630546955624 [2025-03-15 01:09:38,958 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 263 predicate places. [2025-03-15 01:09:38,958 INFO L471 AbstractCegarLoop]: Abstraction has has 367 places, 4796 transitions, 93681 flow [2025-03-15 01:09:38,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:38,958 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:38,959 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 01:09:38,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-15 01:09:38,959 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:38,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:38,959 INFO L85 PathProgramCache]: Analyzing trace with hash -653814966, now seen corresponding path program 6 times [2025-03-15 01:09:38,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:38,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208893947] [2025-03-15 01:09:38,959 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:09:38,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:38,971 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:09:38,971 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:39,230 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 01:09:39,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:39,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208893947] [2025-03-15 01:09:39,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208893947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:39,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:39,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:39,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158784536] [2025-03-15 01:09:39,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:39,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:39,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:39,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:39,232 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:09:39,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 4796 transitions, 93681 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:39,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:39,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:09:39,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:57,010 INFO L124 PetriNetUnfolderBase]: 17803/36913 cut-off events. [2025-03-15 01:09:57,010 INFO L125 PetriNetUnfolderBase]: For 169445/178333 co-relation queries the response was YES. [2025-03-15 01:09:57,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315423 conditions, 36913 events. 17803/36913 cut-off events. For 169445/178333 co-relation queries the response was YES. Maximal size of possible extension queue 1159. Compared 359580 event pairs, 823 based on Foata normal form. 940/35146 useless extension candidates. Maximal degree in co-relation 275787. Up to 21493 conditions per place. [2025-03-15 01:09:57,334 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 3086 selfloop transitions, 1199 changer transitions 768/5137 dead transitions. [2025-03-15 01:09:57,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 5137 transitions, 110416 flow [2025-03-15 01:09:57,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 01:09:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 01:09:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2406 transitions. [2025-03-15 01:09:57,337 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6207430340557275 [2025-03-15 01:09:57,337 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 300 predicate places. [2025-03-15 01:09:57,338 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 5137 transitions, 110416 flow [2025-03-15 01:09:57,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:57,338 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:57,338 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 01:09:57,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 01:09:57,338 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:57,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:57,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1977899414, now seen corresponding path program 7 times [2025-03-15 01:09:57,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:57,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191919336] [2025-03-15 01:09:57,339 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:09:57,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:09:57,625 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 01:09:57,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:57,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191919336] [2025-03-15 01:09:57,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191919336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:57,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:57,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:57,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559157255] [2025-03-15 01:09:57,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:57,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:57,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:57,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:57,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:57,627 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:09:57,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 5137 transitions, 110416 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:09:57,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:57,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:09:57,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:16,581 INFO L124 PetriNetUnfolderBase]: 18879/39192 cut-off events. [2025-03-15 01:10:16,581 INFO L125 PetriNetUnfolderBase]: For 208785/222089 co-relation queries the response was YES. [2025-03-15 01:10:16,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366762 conditions, 39192 events. 18879/39192 cut-off events. For 208785/222089 co-relation queries the response was YES. Maximal size of possible extension queue 1220. Compared 385008 event pairs, 1438 based on Foata normal form. 690/36940 useless extension candidates. Maximal degree in co-relation 316320. Up to 22919 conditions per place. [2025-03-15 01:10:16,923 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 3333 selfloop transitions, 1311 changer transitions 924/5652 dead transitions. [2025-03-15 01:10:16,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 5652 transitions, 132566 flow [2025-03-15 01:10:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-15 01:10:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-03-15 01:10:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 1894 transitions. [2025-03-15 01:10:16,925 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6189542483660131 [2025-03-15 01:10:16,925 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 329 predicate places. [2025-03-15 01:10:16,925 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 5652 transitions, 132566 flow [2025-03-15 01:10:16,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:10:16,926 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:16,926 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 01:10:16,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-15 01:10:16,926 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:10:16,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:16,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1854283900, now seen corresponding path program 8 times [2025-03-15 01:10:16,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:16,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180519674] [2025-03-15 01:10:16,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:10:16,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:16,940 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:10:16,940 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:10:17,282 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 01:10:17,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:17,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180519674] [2025-03-15 01:10:17,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180519674] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:17,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:17,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:10:17,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88369121] [2025-03-15 01:10:17,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:17,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:10:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:17,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:10:17,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:10:17,284 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:10:17,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 5652 transitions, 132566 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:10:17,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:17,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:10:17,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:42,029 INFO L124 PetriNetUnfolderBase]: 19963/41898 cut-off events. [2025-03-15 01:10:42,030 INFO L125 PetriNetUnfolderBase]: For 262745/278743 co-relation queries the response was YES. [2025-03-15 01:10:42,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422118 conditions, 41898 events. 19963/41898 cut-off events. For 262745/278743 co-relation queries the response was YES. Maximal size of possible extension queue 1297. Compared 418515 event pairs, 1808 based on Foata normal form. 1180/40073 useless extension candidates. Maximal degree in co-relation 367046. Up to 24494 conditions per place. [2025-03-15 01:10:42,437 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 3500 selfloop transitions, 1614 changer transitions 1083/6281 dead transitions. [2025-03-15 01:10:42,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 6281 transitions, 159822 flow [2025-03-15 01:10:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 01:10:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 01:10:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2039 transitions. [2025-03-15 01:10:42,440 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6246936274509803 [2025-03-15 01:10:42,441 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 360 predicate places. [2025-03-15 01:10:42,441 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 6281 transitions, 159822 flow [2025-03-15 01:10:42,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:10:42,441 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:42,441 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 01:10:42,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-15 01:10:42,441 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:10:42,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:42,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1286423420, now seen corresponding path program 9 times [2025-03-15 01:10:42,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:42,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093247492] [2025-03-15 01:10:42,442 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:10:42,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:42,456 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:10:42,456 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:10:42,742 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 01:10:42,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:42,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093247492] [2025-03-15 01:10:42,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093247492] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:42,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:42,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:10:42,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856548349] [2025-03-15 01:10:42,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:42,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:10:42,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:42,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:10:42,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:10:42,743 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:10:42,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 6281 transitions, 159822 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:10:42,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:42,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:10:42,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:11:12,015 INFO L124 PetriNetUnfolderBase]: 20620/43707 cut-off events. [2025-03-15 01:11:12,016 INFO L125 PetriNetUnfolderBase]: For 358713/372862 co-relation queries the response was YES. [2025-03-15 01:11:12,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 475078 conditions, 43707 events. 20620/43707 cut-off events. For 358713/372862 co-relation queries the response was YES. Maximal size of possible extension queue 1351. Compared 443493 event pairs, 913 based on Foata normal form. 880/41467 useless extension candidates. Maximal degree in co-relation 412326. Up to 25511 conditions per place. [2025-03-15 01:11:12,554 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 3768 selfloop transitions, 1635 changer transitions 1236/6723 dead transitions. [2025-03-15 01:11:12,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 6723 transitions, 184342 flow [2025-03-15 01:11:12,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-15 01:11:12,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-03-15 01:11:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 1911 transitions. [2025-03-15 01:11:12,556 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6245098039215686 [2025-03-15 01:11:12,557 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 389 predicate places. [2025-03-15 01:11:12,557 INFO L471 AbstractCegarLoop]: Abstraction has has 493 places, 6723 transitions, 184342 flow [2025-03-15 01:11:12,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:11:12,557 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:11:12,557 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 01:11:12,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-15 01:11:12,557 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:11:12,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:11:12,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1813948638, now seen corresponding path program 10 times [2025-03-15 01:11:12,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:11:12,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094166245] [2025-03-15 01:11:12,558 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:11:12,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:11:12,578 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:11:12,578 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:11:13,028 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 01:11:13,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:11:13,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094166245] [2025-03-15 01:11:13,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094166245] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:11:13,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:11:13,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:11:13,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801921112] [2025-03-15 01:11:13,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:11:13,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:11:13,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:11:13,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:11:13,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:11:13,031 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:11:13,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 6723 transitions, 184342 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:11:13,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:11:13,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:11:13,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:11:51,029 INFO L124 PetriNetUnfolderBase]: 22205/46830 cut-off events. [2025-03-15 01:11:51,030 INFO L125 PetriNetUnfolderBase]: For 425943/447527 co-relation queries the response was YES. [2025-03-15 01:11:51,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548717 conditions, 46830 events. 22205/46830 cut-off events. For 425943/447527 co-relation queries the response was YES. Maximal size of possible extension queue 1476. Compared 478430 event pairs, 1466 based on Foata normal form. 1022/44403 useless extension candidates. Maximal degree in co-relation 475527. Up to 27732 conditions per place. [2025-03-15 01:11:51,526 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 3857 selfloop transitions, 2063 changer transitions 1347/7351 dead transitions. [2025-03-15 01:11:51,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 7351 transitions, 216447 flow [2025-03-15 01:11:51,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 01:11:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 01:11:51,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2036 transitions. [2025-03-15 01:11:51,528 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6237745098039216 [2025-03-15 01:11:51,529 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 420 predicate places. [2025-03-15 01:11:51,529 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 7351 transitions, 216447 flow [2025-03-15 01:11:51,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:11:51,529 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:11:51,529 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 01:11:51,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-15 01:11:51,529 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:11:51,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:11:51,530 INFO L85 PathProgramCache]: Analyzing trace with hash 251220270, now seen corresponding path program 11 times [2025-03-15 01:11:51,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:11:51,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924571257] [2025-03-15 01:11:51,530 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:11:51,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:11:51,545 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:11:51,545 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:11:51,785 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 01:11:51,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:11:51,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924571257] [2025-03-15 01:11:51,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924571257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:11:51,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:11:51,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:11:51,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325646700] [2025-03-15 01:11:51,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:11:51,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:11:51,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:11:51,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:11:51,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:11:51,787 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:11:51,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 7351 transitions, 216447 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:11:51,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:11:51,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:11:51,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:12:31,875 INFO L124 PetriNetUnfolderBase]: 22536/47753 cut-off events. [2025-03-15 01:12:31,875 INFO L125 PetriNetUnfolderBase]: For 506236/529997 co-relation queries the response was YES. [2025-03-15 01:12:31,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593667 conditions, 47753 events. 22536/47753 cut-off events. For 506236/529997 co-relation queries the response was YES. Maximal size of possible extension queue 1495. Compared 490250 event pairs, 1935 based on Foata normal form. 1917/46284 useless extension candidates. Maximal degree in co-relation 275727. Up to 28231 conditions per place. [2025-03-15 01:12:32,590 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 4217 selfloop transitions, 1946 changer transitions 1455/7702 dead transitions. [2025-03-15 01:12:32,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 555 places, 7702 transitions, 242013 flow [2025-03-15 01:12:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 01:12:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 01:12:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2032 transitions. [2025-03-15 01:12:32,592 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6225490196078431 [2025-03-15 01:12:32,593 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 451 predicate places. [2025-03-15 01:12:32,593 INFO L471 AbstractCegarLoop]: Abstraction has has 555 places, 7702 transitions, 242013 flow [2025-03-15 01:12:32,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:12:32,593 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:12:32,593 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 01:12:32,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-15 01:12:32,593 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:12:32,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:12:32,594 INFO L85 PathProgramCache]: Analyzing trace with hash -563244100, now seen corresponding path program 12 times [2025-03-15 01:12:32,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:12:32,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440606026] [2025-03-15 01:12:32,594 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:12:32,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:12:32,604 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:12:32,604 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:12:32,819 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 01:12:32,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:12:32,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440606026] [2025-03-15 01:12:32,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440606026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:12:32,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:12:32,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:12:32,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332197924] [2025-03-15 01:12:32,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:12:32,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:12:32,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:12:32,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:12:32,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:12:32,821 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:12:32,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 555 places, 7702 transitions, 242013 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:12:32,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:12:32,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:12:32,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:13:21,605 INFO L124 PetriNetUnfolderBase]: 24273/51331 cut-off events. [2025-03-15 01:13:21,605 INFO L125 PetriNetUnfolderBase]: For 641488/664760 co-relation queries the response was YES. [2025-03-15 01:13:21,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 679156 conditions, 51331 events. 24273/51331 cut-off events. For 641488/664760 co-relation queries the response was YES. Maximal size of possible extension queue 1649. Compared 532400 event pairs, 1327 based on Foata normal form. 1802/49519 useless extension candidates. Maximal degree in co-relation 583594. Up to 30641 conditions per place. [2025-03-15 01:13:22,199 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 4191 selfloop transitions, 2609 changer transitions 1581/8465 dead transitions. [2025-03-15 01:13:22,199 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 8465 transitions, 283200 flow [2025-03-15 01:13:22,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 01:13:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 01:13:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2029 transitions. [2025-03-15 01:13:22,202 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6216299019607843 [2025-03-15 01:13:22,202 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 482 predicate places. [2025-03-15 01:13:22,202 INFO L471 AbstractCegarLoop]: Abstraction has has 586 places, 8465 transitions, 283200 flow [2025-03-15 01:13:22,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:13:22,202 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:13:22,203 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 01:13:22,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-15 01:13:22,203 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:13:22,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:13:22,203 INFO L85 PathProgramCache]: Analyzing trace with hash -86433424, now seen corresponding path program 13 times [2025-03-15 01:13:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:13:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535251240] [2025-03-15 01:13:22,203 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:13:22,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:13:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:13:22,426 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 01:13:22,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:13:22,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535251240] [2025-03-15 01:13:22,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535251240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:13:22,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:13:22,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:13:22,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462344567] [2025-03-15 01:13:22,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:13:22,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:13:22,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:13:22,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:13:22,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:13:22,428 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:13:22,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 8465 transitions, 283200 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:13:22,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:13:22,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:13:22,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:14:31,258 INFO L124 PetriNetUnfolderBase]: 25063/53102 cut-off events. [2025-03-15 01:14:31,259 INFO L125 PetriNetUnfolderBase]: For 731391/764409 co-relation queries the response was YES. [2025-03-15 01:14:31,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 745635 conditions, 53102 events. 25063/53102 cut-off events. For 731391/764409 co-relation queries the response was YES. Maximal size of possible extension queue 1717. Compared 554991 event pairs, 1955 based on Foata normal form. 1991/51379 useless extension candidates. Maximal degree in co-relation 645652. Up to 31827 conditions per place. [2025-03-15 01:14:31,893 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 4935 selfloop transitions, 2286 changer transitions 1702/9007 dead transitions. [2025-03-15 01:14:31,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 9007 transitions, 319308 flow [2025-03-15 01:14:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 01:14:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 01:14:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2031 transitions. [2025-03-15 01:14:31,895 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6222426470588235 [2025-03-15 01:14:31,895 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 513 predicate places. [2025-03-15 01:14:31,895 INFO L471 AbstractCegarLoop]: Abstraction has has 617 places, 9007 transitions, 319308 flow [2025-03-15 01:14:31,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:14:31,896 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:14:31,896 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 01:14:31,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-15 01:14:31,896 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:14:31,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:14:31,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1885729284, now seen corresponding path program 14 times [2025-03-15 01:14:31,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:14:31,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235760820] [2025-03-15 01:14:31,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:14:31,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:14:31,906 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:14:31,907 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:14:32,138 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 01:14:32,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:14:32,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235760820] [2025-03-15 01:14:32,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235760820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:14:32,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:14:32,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:14:32,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126553844] [2025-03-15 01:14:32,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:14:32,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:14:32,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:14:32,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:14:32,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:14:32,140 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 102 [2025-03-15 01:14:32,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 9007 transitions, 319308 flow. Second operand has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:14:32,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:14:32,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 102 [2025-03-15 01:14:32,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:15:38,183 INFO L124 PetriNetUnfolderBase]: 25195/53910 cut-off events. [2025-03-15 01:15:38,184 INFO L125 PetriNetUnfolderBase]: For 897709/918425 co-relation queries the response was YES. [2025-03-15 01:15:38,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 797346 conditions, 53910 events. 25195/53910 cut-off events. For 897709/918425 co-relation queries the response was YES. Maximal size of possible extension queue 1733. Compared 568683 event pairs, 968 based on Foata normal form. 1153/51426 useless extension candidates. Maximal degree in co-relation 683243. Up to 32125 conditions per place. [2025-03-15 01:15:38,820 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 5151 selfloop transitions, 2300 changer transitions 1823/9358 dead transitions. [2025-03-15 01:15:38,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 648 places, 9358 transitions, 350292 flow [2025-03-15 01:15:38,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 01:15:38,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 01:15:38,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2015 transitions. [2025-03-15 01:15:38,823 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6173406862745098 [2025-03-15 01:15:38,823 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 544 predicate places. [2025-03-15 01:15:38,823 INFO L471 AbstractCegarLoop]: Abstraction has has 648 places, 9358 transitions, 350292 flow [2025-03-15 01:15:38,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 51.0) internal successors, (714), 14 states have internal predecessors, (714), 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 01:15:38,823 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:15:38,824 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 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] [2025-03-15 01:15:38,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-15 01:15:38,824 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:15:38,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:15:38,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2007452947, now seen corresponding path program 1 times [2025-03-15 01:15:38,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:15:38,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661221004] [2025-03-15 01:15:38,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:15:38,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:15:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:15:39,068 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 01:15:39,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:15:39,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661221004] [2025-03-15 01:15:39,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661221004] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:15:39,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:15:39,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:15:39,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601899811] [2025-03-15 01:15:39,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:15:39,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:15:39,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:15:39,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:15:39,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:15:39,069 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 102 [2025-03-15 01:15:39,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 648 places, 9358 transitions, 350292 flow. Second operand has 14 states, 14 states have (on average 49.642857142857146) internal successors, (695), 14 states have internal predecessors, (695), 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 01:15:39,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:15:39,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 102 [2025-03-15 01:15:39,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:16:53,316 INFO L124 PetriNetUnfolderBase]: 26586/56710 cut-off events. [2025-03-15 01:16:53,316 INFO L125 PetriNetUnfolderBase]: For 955573/1011278 co-relation queries the response was YES. [2025-03-15 01:16:53,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875172 conditions, 56710 events. 26586/56710 cut-off events. For 955573/1011278 co-relation queries the response was YES. Maximal size of possible extension queue 1803. Compared 600080 event pairs, 2169 based on Foata normal form. 1546/54456 useless extension candidates. Maximal degree in co-relation 757403. Up to 33536 conditions per place. [2025-03-15 01:16:54,070 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 6832 selfloop transitions, 960 changer transitions 1845/9949 dead transitions. [2025-03-15 01:16:54,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 9949 transitions, 390375 flow [2025-03-15 01:16:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-15 01:16:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2025-03-15 01:16:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 2785 transitions. [2025-03-15 01:16:54,073 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5935635123614663 [2025-03-15 01:16:54,073 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 589 predicate places. [2025-03-15 01:16:54,073 INFO L471 AbstractCegarLoop]: Abstraction has has 693 places, 9949 transitions, 390375 flow [2025-03-15 01:16:54,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.642857142857146) internal successors, (695), 14 states have internal predecessors, (695), 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 01:16:54,073 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:16:54,074 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 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] [2025-03-15 01:16:54,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-15 01:16:54,074 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:16:54,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:16:54,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1669726001, now seen corresponding path program 2 times [2025-03-15 01:16:54,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:16:54,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513628189] [2025-03-15 01:16:54,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:16:54,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:16:54,083 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:16:54,084 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:16:54,263 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 01:16:54,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:16:54,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513628189] [2025-03-15 01:16:54,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513628189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:16:54,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:16:54,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:16:54,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907590158] [2025-03-15 01:16:54,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:16:54,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:16:54,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:16:54,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:16:54,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:16:54,265 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 102 [2025-03-15 01:16:54,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 9949 transitions, 390375 flow. Second operand has 14 states, 14 states have (on average 49.642857142857146) internal successors, (695), 14 states have internal predecessors, (695), 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 01:16:54,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:16:54,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 102 [2025-03-15 01:16:54,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:18:16,450 INFO L124 PetriNetUnfolderBase]: 27773/58948 cut-off events. [2025-03-15 01:18:16,450 INFO L125 PetriNetUnfolderBase]: For 1076184/1121451 co-relation queries the response was YES. [2025-03-15 01:18:16,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 955702 conditions, 58948 events. 27773/58948 cut-off events. For 1076184/1121451 co-relation queries the response was YES. Maximal size of possible extension queue 1904. Compared 624840 event pairs, 2177 based on Foata normal form. 1337/56359 useless extension candidates. Maximal degree in co-relation 830994. Up to 34886 conditions per place. [2025-03-15 01:18:17,193 INFO L140 encePairwiseOnDemand]: 78/102 looper letters, 7318 selfloop transitions, 1180 changer transitions 1845/10655 dead transitions. [2025-03-15 01:18:17,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 10655 transitions, 438047 flow [2025-03-15 01:18:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-03-15 01:18:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2025-03-15 01:18:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 3134 transitions. [2025-03-15 01:18:17,196 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5689905591866377 [2025-03-15 01:18:17,196 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 642 predicate places. [2025-03-15 01:18:17,196 INFO L471 AbstractCegarLoop]: Abstraction has has 746 places, 10655 transitions, 438047 flow [2025-03-15 01:18:17,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.642857142857146) internal successors, (695), 14 states have internal predecessors, (695), 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 01:18:17,196 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:18:17,197 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 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] [2025-03-15 01:18:17,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-15 01:18:17,197 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:18:17,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:18:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash 934468525, now seen corresponding path program 3 times [2025-03-15 01:18:17,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:18:17,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772396075] [2025-03-15 01:18:17,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:18:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:18:17,206 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:18:17,206 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:18:17,409 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 01:18:17,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:18:17,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772396075] [2025-03-15 01:18:17,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772396075] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:18:17,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:18:17,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:18:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654497946] [2025-03-15 01:18:17,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:18:17,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:18:17,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:18:17,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:18:17,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:18:17,411 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 102 [2025-03-15 01:18:17,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 746 places, 10655 transitions, 438047 flow. Second operand has 14 states, 14 states have (on average 49.642857142857146) internal successors, (695), 14 states have internal predecessors, (695), 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 01:18:17,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:18:17,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 102 [2025-03-15 01:18:17,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:20:01,567 INFO L124 PetriNetUnfolderBase]: 28830/61562 cut-off events. [2025-03-15 01:20:01,567 INFO L125 PetriNetUnfolderBase]: For 1200532/1261833 co-relation queries the response was YES. [2025-03-15 01:20:01,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040574 conditions, 61562 events. 28830/61562 cut-off events. For 1200532/1261833 co-relation queries the response was YES. Maximal size of possible extension queue 2005. Compared 659424 event pairs, 2199 based on Foata normal form. 2130/59623 useless extension candidates. Maximal degree in co-relation 890042. Up to 36175 conditions per place. [2025-03-15 01:20:02,376 INFO L140 encePairwiseOnDemand]: 73/102 looper letters, 7745 selfloop transitions, 1381 changer transitions 1855/11293 dead transitions. [2025-03-15 01:20:02,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 11293 transitions, 486120 flow [2025-03-15 01:20:02,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-03-15 01:20:02,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2025-03-15 01:20:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 2957 transitions. [2025-03-15 01:20:02,378 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5916366546618648 [2025-03-15 01:20:02,379 INFO L298 CegarLoopForPetriNet]: 104 programPoint places, 690 predicate places. [2025-03-15 01:20:02,379 INFO L471 AbstractCegarLoop]: Abstraction has has 794 places, 11293 transitions, 486120 flow [2025-03-15 01:20:02,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.642857142857146) internal successors, (695), 14 states have internal predecessors, (695), 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 01:20:02,379 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:20:02,379 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 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] [2025-03-15 01:20:02,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-15 01:20:02,379 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:20:02,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:20:02,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2129142189, now seen corresponding path program 4 times [2025-03-15 01:20:02,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:20:02,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165122308] [2025-03-15 01:20:02,380 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:20:02,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:20:02,391 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:20:02,392 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:20:02,878 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 01:20:02,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:20:02,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165122308] [2025-03-15 01:20:02,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165122308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:20:02,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:20:02,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-03-15 01:20:02,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063661138] [2025-03-15 01:20:02,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:20:02,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-15 01:20:02,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:20:02,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-15 01:20:02,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2025-03-15 01:20:02,879 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 102 [2025-03-15 01:20:02,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 11293 transitions, 486120 flow. Second operand has 17 states, 17 states have (on average 48.23529411764706) internal successors, (820), 17 states have internal predecessors, (820), 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 01:20:02,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:20:02,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 102 [2025-03-15 01:20:02,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 01:22:11,243 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 01:22:11,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:22:11,462 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-03-15 01:22:11,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-15 01:22:11,462 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 46/102 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 1545118 conditions, 85964 events (42951/85963 cut-off events. For 1884943/2056156 co-relation queries the response was YES. Maximal size of possible extension queue 3331. Compared 967025 event pairs, 3847 based on Foata normal form. 2575/84759 useless extension candidates. Maximal degree in co-relation 543246. Up to 52544 conditions per place.). [2025-03-15 01:22:11,462 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2025-03-15 01:22:11,462 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2025-03-15 01:22:11,462 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-03-15 01:22:11,462 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-03-15 01:22:11,462 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-03-15 01:22:11,462 INFO L422 BasicCegarLoop]: Path program histogram: [14, 4, 1, 1, 1, 1, 1] [2025-03-15 01:22:11,466 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2025-03-15 01:22:11,466 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:22:11,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:22:11 BasicIcfg [2025-03-15 01:22:11,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:22:11,471 INFO L158 Benchmark]: Toolchain (without parser) took 813857.01ms. Allocated memory was 71.3MB in the beginning and 2.8GB in the end (delta: 2.8GB). Free memory was 43.0MB in the beginning and 793.4MB in the end (delta: -750.4MB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2025-03-15 01:22:11,472 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:22:11,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 463.05ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 29.5MB. Max. memory is 8.0GB. [2025-03-15 01:22:11,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 38.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:22:11,472 INFO L158 Benchmark]: Boogie Preprocessor took 23.03ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 37.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:22:11,472 INFO L158 Benchmark]: RCFGBuilder took 328.65ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 23.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:22:11,473 INFO L158 Benchmark]: TraceAbstraction took 813002.40ms. Allocated memory was 71.3MB in the beginning and 2.8GB in the end (delta: 2.8GB). Free memory was 22.7MB in the beginning and 793.4MB in the end (delta: -770.7MB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2025-03-15 01:22:11,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 463.05ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 40.8MB in the end (delta: 2.1MB). Peak memory consumption was 29.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 38.4MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.03ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 37.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 328.65ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 23.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 813002.40ms. Allocated memory was 71.3MB in the beginning and 2.8GB in the end (delta: 2.8GB). Free memory was 22.7MB in the beginning and 793.4MB in the end (delta: -770.7MB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 46/102 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 1545118 conditions, 85964 events (42951/85963 cut-off events. For 1884943/2056156 co-relation queries the response was YES. Maximal size of possible extension queue 3331. Compared 967025 event pairs, 3847 based on Foata normal form. 2575/84759 useless extension candidates. Maximal degree in co-relation 543246. Up to 52544 conditions per place.). - TimeoutResultAtElement [Line: 1037]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 46/102 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 1545118 conditions, 85964 events (42951/85963 cut-off events. For 1884943/2056156 co-relation queries the response was YES. Maximal size of possible extension queue 3331. Compared 967025 event pairs, 3847 based on Foata normal form. 2575/84759 useless extension candidates. Maximal degree in co-relation 543246. Up to 52544 conditions per place.). - TimeoutResultAtElement [Line: 1034]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 46/102 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 1545118 conditions, 85964 events (42951/85963 cut-off events. For 1884943/2056156 co-relation queries the response was YES. Maximal size of possible extension queue 3331. Compared 967025 event pairs, 3847 based on Foata normal form. 2575/84759 useless extension candidates. Maximal degree in co-relation 543246. Up to 52544 conditions per place.). - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (17states, 46/102 universal loopers) in iteration 23,while PetriNetUnfolder was constructing finite prefix that currently has 1545118 conditions, 85964 events (42951/85963 cut-off events. For 1884943/2056156 co-relation queries the response was YES. Maximal size of possible extension queue 3331. Compared 967025 event pairs, 3847 based on Foata normal form. 2575/84759 useless extension candidates. Maximal degree in co-relation 543246. Up to 52544 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 100 locations, 5 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: 2.4s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 542 IncrementalHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 89 mSDtfsCounter, 542 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1674occurred in iteration=4, InterpolantAutomatonStates: 24, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 147 ConstructedInterpolants, 0 QuantifiedInterpolants, 470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 118 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: 810.5s, OverallIterations: 23, TraceHistogramMax: 2, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 803.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8899 SdHoareTripleChecker+Valid, 16.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8899 mSDsluCounter, 7719 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6196 mSDsCounter, 1339 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29931 IncrementalHoareTripleChecker+Invalid, 31270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1339 mSolverCounterUnsat, 1523 mSDtfsCounter, 29931 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 900 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 856 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11151 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486120occurred in iteration=22, InterpolantAutomatonStates: 712, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1204 ConstructedInterpolants, 0 QuantifiedInterpolants, 10853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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