/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/weaver/chl-sre-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:58:35,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:58:35,816 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 00:58:35,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:58:35,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:58:35,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:58:35,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:58:35,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:58:35,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:58:35,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:58:35,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:58:35,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:58:35,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:58:35,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:58:35,869 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 00:58:36,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:58:36,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:58:36,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:58:36,155 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:58:36,155 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:58:36,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2025-03-15 00:58:37,425 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff765e64/493e8487ed234a8c8f295908828a386f/FLAG0c4094747 [2025-03-15 00:58:37,642 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:58:37,642 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2025-03-15 00:58:37,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff765e64/493e8487ed234a8c8f295908828a386f/FLAG0c4094747 [2025-03-15 00:58:38,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ff765e64/493e8487ed234a8c8f295908828a386f [2025-03-15 00:58:38,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:58:38,017 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:58:38,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:58:38,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:58:38,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:58:38,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6efaab67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38, skipping insertion in model container [2025-03-15 00:58:38,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:58:38,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:58:38,175 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:58:38,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:58:38,198 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:58:38,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38 WrapperNode [2025-03-15 00:58:38,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:58:38,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:58:38,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:58:38,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:58:38,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,221 INFO L138 Inliner]: procedures = 20, calls = 12, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 85 [2025-03-15 00:58:38,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:58:38,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:58:38,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:58:38,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:58:38,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,233 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,239 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:58:38,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:58:38,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:58:38,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:58:38,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (1/1) ... [2025-03-15 00:58:38,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:58:38,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:58:38,278 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 00:58:38,285 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 00:58:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:58:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 00:58:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 00:58:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 00:58:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 00:58:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:58:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:58:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:58:38,301 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 00:58:38,365 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:58:38,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:58:38,581 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:58:38,581 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:58:38,591 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:58:38,591 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:58:38,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:58:38 BoogieIcfgContainer [2025-03-15 00:58:38,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:58:38,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:58:38,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:58:38,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:58:38,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:58:38" (1/3) ... [2025-03-15 00:58:38,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22839608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:58:38, skipping insertion in model container [2025-03-15 00:58:38,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:58:38" (2/3) ... [2025-03-15 00:58:38,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22839608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:58:38, skipping insertion in model container [2025-03-15 00:58:38,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:58:38" (3/3) ... [2025-03-15 00:58:38,600 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2025-03-15 00:58:38,614 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:58:38,615 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-sre-symm.wvr.c that has 3 procedures, 152 locations, 1 initial locations, 0 loop locations, and 16 error locations. [2025-03-15 00:58:38,615 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:58:38,676 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 00:58:38,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:58:38,723 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;@6f33ec79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:58:38,723 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2025-03-15 00:58:38,742 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:58:38,743 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2025-03-15 00:58:38,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:58:38,745 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:38,745 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] [2025-03-15 00:58:38,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:38,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1547282207, now seen corresponding path program 1 times [2025-03-15 00:58:38,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:38,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229737450] [2025-03-15 00:58:38,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:38,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:38,897 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 00:58:38,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:38,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229737450] [2025-03-15 00:58:38,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229737450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:38,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:38,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:38,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356030534] [2025-03-15 00:58:38,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:38,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:38,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:38,927 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:38,927 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:38,930 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 159 [2025-03-15 00:58:38,934 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 159 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 00:58:38,934 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:38,935 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 159 [2025-03-15 00:58:38,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,096 INFO L124 PetriNetUnfolderBase]: 38/290 cut-off events. [2025-03-15 00:58:39,096 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES. [2025-03-15 00:58:39,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 290 events. 38/290 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 877 event pairs, 27 based on Foata normal form. 4/229 useless extension candidates. Maximal degree in co-relation 233. Up to 71 conditions per place. [2025-03-15 00:58:39,105 INFO L140 encePairwiseOnDemand]: 152/159 looper letters, 16 selfloop transitions, 2 changer transitions 14/146 dead transitions. [2025-03-15 00:58:39,107 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 146 transitions, 340 flow [2025-03-15 00:58:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2025-03-15 00:58:39,121 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8972746331236897 [2025-03-15 00:58:39,126 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -8 predicate places. [2025-03-15 00:58:39,126 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 146 transitions, 340 flow [2025-03-15 00:58:39,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 00:58:39,126 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,126 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 00:58:39,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:58:39,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2144134985, now seen corresponding path program 1 times [2025-03-15 00:58:39,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117809656] [2025-03-15 00:58:39,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:39,181 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 00:58:39,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:39,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117809656] [2025-03-15 00:58:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117809656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:39,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:39,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:39,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778813213] [2025-03-15 00:58:39,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:39,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:39,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:39,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:39,184 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 159 [2025-03-15 00:58:39,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 00:58:39,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:39,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 159 [2025-03-15 00:58:39,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,274 INFO L124 PetriNetUnfolderBase]: 74/356 cut-off events. [2025-03-15 00:58:39,274 INFO L125 PetriNetUnfolderBase]: For 118/121 co-relation queries the response was YES. [2025-03-15 00:58:39,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 356 events. 74/356 cut-off events. For 118/121 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1333 event pairs, 60 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 382. Up to 89 conditions per place. [2025-03-15 00:58:39,281 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 16 selfloop transitions, 2 changer transitions 14/145 dead transitions. [2025-03-15 00:58:39,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 145 transitions, 374 flow [2025-03-15 00:58:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions. [2025-03-15 00:58:39,287 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2025-03-15 00:58:39,287 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -7 predicate places. [2025-03-15 00:58:39,287 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 374 flow [2025-03-15 00:58:39,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 00:58:39,288 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,288 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] [2025-03-15 00:58:39,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:58:39,288 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1914111960, now seen corresponding path program 1 times [2025-03-15 00:58:39,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501220743] [2025-03-15 00:58:39,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:39,346 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 00:58:39,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:39,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501220743] [2025-03-15 00:58:39,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501220743] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:39,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:39,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:39,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951271808] [2025-03-15 00:58:39,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:39,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:39,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:39,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:39,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:39,348 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 159 [2025-03-15 00:58:39,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 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 00:58:39,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:39,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 159 [2025-03-15 00:58:39,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,412 INFO L124 PetriNetUnfolderBase]: 60/320 cut-off events. [2025-03-15 00:58:39,412 INFO L125 PetriNetUnfolderBase]: For 196/220 co-relation queries the response was YES. [2025-03-15 00:58:39,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 320 events. 60/320 cut-off events. For 196/220 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1087 event pairs, 42 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 364. Up to 89 conditions per place. [2025-03-15 00:58:39,417 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 13 selfloop transitions, 2 changer transitions 14/145 dead transitions. [2025-03-15 00:58:39,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 409 flow [2025-03-15 00:58:39,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2025-03-15 00:58:39,422 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9119496855345912 [2025-03-15 00:58:39,423 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -8 predicate places. [2025-03-15 00:58:39,423 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 145 transitions, 409 flow [2025-03-15 00:58:39,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 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 00:58:39,423 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,423 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:58:39,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:58:39,424 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1215578614, now seen corresponding path program 1 times [2025-03-15 00:58:39,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264208608] [2025-03-15 00:58:39,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:39,468 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 00:58:39,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:39,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264208608] [2025-03-15 00:58:39,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264208608] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:39,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:39,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:39,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387353169] [2025-03-15 00:58:39,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:39,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:39,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:39,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:39,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:39,470 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 159 [2025-03-15 00:58:39,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 145 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 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 00:58:39,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:39,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 159 [2025-03-15 00:58:39,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,542 INFO L124 PetriNetUnfolderBase]: 42/321 cut-off events. [2025-03-15 00:58:39,542 INFO L125 PetriNetUnfolderBase]: For 239/305 co-relation queries the response was YES. [2025-03-15 00:58:39,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 321 events. 42/321 cut-off events. For 239/305 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1157 event pairs, 17 based on Foata normal form. 1/282 useless extension candidates. Maximal degree in co-relation 385. Up to 64 conditions per place. [2025-03-15 00:58:39,547 INFO L140 encePairwiseOnDemand]: 154/159 looper letters, 14 selfloop transitions, 2 changer transitions 14/145 dead transitions. [2025-03-15 00:58:39,547 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 448 flow [2025-03-15 00:58:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2025-03-15 00:58:39,550 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9119496855345912 [2025-03-15 00:58:39,553 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -9 predicate places. [2025-03-15 00:58:39,553 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 145 transitions, 448 flow [2025-03-15 00:58:39,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 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 00:58:39,553 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,553 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] [2025-03-15 00:58:39,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:58:39,554 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1023740721, now seen corresponding path program 1 times [2025-03-15 00:58:39,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411876600] [2025-03-15 00:58:39,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:39,626 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 00:58:39,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:39,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411876600] [2025-03-15 00:58:39,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411876600] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:39,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:39,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:39,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435944852] [2025-03-15 00:58:39,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:39,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:39,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:39,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:39,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:39,628 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 159 [2025-03-15 00:58:39,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 145 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 00:58:39,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:39,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 159 [2025-03-15 00:58:39,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,702 INFO L124 PetriNetUnfolderBase]: 46/323 cut-off events. [2025-03-15 00:58:39,702 INFO L125 PetriNetUnfolderBase]: For 442/507 co-relation queries the response was YES. [2025-03-15 00:58:39,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 323 events. 46/323 cut-off events. For 442/507 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1190 event pairs, 17 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 430. Up to 68 conditions per place. [2025-03-15 00:58:39,705 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 18 selfloop transitions, 2 changer transitions 14/145 dead transitions. [2025-03-15 00:58:39,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 145 transitions, 499 flow [2025-03-15 00:58:39,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2025-03-15 00:58:39,707 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9014675052410901 [2025-03-15 00:58:39,708 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -8 predicate places. [2025-03-15 00:58:39,708 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 145 transitions, 499 flow [2025-03-15 00:58:39,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 00:58:39,708 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,709 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] [2025-03-15 00:58:39,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:58:39,709 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1368511151, now seen corresponding path program 1 times [2025-03-15 00:58:39,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605734527] [2025-03-15 00:58:39,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:39,763 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 00:58:39,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:39,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605734527] [2025-03-15 00:58:39,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605734527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:39,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:39,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:39,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310143610] [2025-03-15 00:58:39,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:39,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:39,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:39,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:39,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:39,765 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 159 [2025-03-15 00:58:39,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 145 transitions, 499 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 00:58:39,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:39,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 159 [2025-03-15 00:58:39,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,846 INFO L124 PetriNetUnfolderBase]: 50/314 cut-off events. [2025-03-15 00:58:39,847 INFO L125 PetriNetUnfolderBase]: For 820/909 co-relation queries the response was YES. [2025-03-15 00:58:39,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 721 conditions, 314 events. 50/314 cut-off events. For 820/909 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1181 event pairs, 18 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 453. Up to 72 conditions per place. [2025-03-15 00:58:39,848 INFO L140 encePairwiseOnDemand]: 156/159 looper letters, 18 selfloop transitions, 2 changer transitions 14/145 dead transitions. [2025-03-15 00:58:39,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 145 transitions, 554 flow [2025-03-15 00:58:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2025-03-15 00:58:39,850 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9014675052410901 [2025-03-15 00:58:39,851 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -7 predicate places. [2025-03-15 00:58:39,851 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 554 flow [2025-03-15 00:58:39,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 00:58:39,851 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,851 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:58:39,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 00:58:39,851 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,852 INFO L85 PathProgramCache]: Analyzing trace with hash -504340857, now seen corresponding path program 1 times [2025-03-15 00:58:39,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919838655] [2025-03-15 00:58:39,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:39,900 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 00:58:39,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:39,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919838655] [2025-03-15 00:58:39,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919838655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:39,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:39,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:39,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369536182] [2025-03-15 00:58:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:39,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:39,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:39,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:39,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:39,908 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 159 [2025-03-15 00:58:39,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 554 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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 00:58:39,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:39,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 159 [2025-03-15 00:58:39,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:39,952 INFO L124 PetriNetUnfolderBase]: 51/326 cut-off events. [2025-03-15 00:58:39,953 INFO L125 PetriNetUnfolderBase]: For 969/1064 co-relation queries the response was YES. [2025-03-15 00:58:39,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 326 events. 51/326 cut-off events. For 969/1064 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1265 event pairs, 23 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 489. Up to 72 conditions per place. [2025-03-15 00:58:39,955 INFO L140 encePairwiseOnDemand]: 155/159 looper letters, 15 selfloop transitions, 1 changer transitions 14/142 dead transitions. [2025-03-15 00:58:39,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 142 transitions, 574 flow [2025-03-15 00:58:39,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 432 transitions. [2025-03-15 00:58:39,956 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9056603773584906 [2025-03-15 00:58:39,957 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -8 predicate places. [2025-03-15 00:58:39,957 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 142 transitions, 574 flow [2025-03-15 00:58:39,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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 00:58:39,958 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:58:39,958 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, 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 00:58:39,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 00:58:39,958 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-03-15 00:58:39,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:58:39,958 INFO L85 PathProgramCache]: Analyzing trace with hash 383221808, now seen corresponding path program 1 times [2025-03-15 00:58:39,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:58:39,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057595336] [2025-03-15 00:58:39,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:58:39,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:58:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:58:40,019 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 00:58:40,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:58:40,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057595336] [2025-03-15 00:58:40,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057595336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:58:40,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:58:40,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:58:40,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070618074] [2025-03-15 00:58:40,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:58:40,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:58:40,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:58:40,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:58:40,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:58:40,021 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 159 [2025-03-15 00:58:40,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 142 transitions, 574 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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 00:58:40,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:58:40,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 159 [2025-03-15 00:58:40,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:58:40,068 INFO L124 PetriNetUnfolderBase]: 51/350 cut-off events. [2025-03-15 00:58:40,068 INFO L125 PetriNetUnfolderBase]: For 1335/1436 co-relation queries the response was YES. [2025-03-15 00:58:40,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 350 events. 51/350 cut-off events. For 1335/1436 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1294 event pairs, 19 based on Foata normal form. 0/320 useless extension candidates. Maximal degree in co-relation 502. Up to 72 conditions per place. [2025-03-15 00:58:40,070 INFO L140 encePairwiseOnDemand]: 153/159 looper letters, 0 selfloop transitions, 0 changer transitions 141/141 dead transitions. [2025-03-15 00:58:40,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 141 transitions, 606 flow [2025-03-15 00:58:40,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:58:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:58:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2025-03-15 00:58:40,071 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.909853249475891 [2025-03-15 00:58:40,074 INFO L298 CegarLoopForPetriNet]: 158 programPoint places, -9 predicate places. [2025-03-15 00:58:40,074 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 141 transitions, 606 flow [2025-03-15 00:58:40,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 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 00:58:40,079 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-sre-symm.wvr.c_petrified1_AllErrorsAtOnce [2025-03-15 00:58:40,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2025-03-15 00:58:40,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2025-03-15 00:58:40,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2025-03-15 00:58:40,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2025-03-15 00:58:40,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 00:58:40,107 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:58:40,112 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:58:40,112 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:58:40,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:58:40 BasicIcfg [2025-03-15 00:58:40,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:58:40,117 INFO L158 Benchmark]: Toolchain (without parser) took 2100.20ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.7MB in the beginning and 41.9MB in the end (delta: 757.3kB). Peak memory consumption was 51.0MB. Max. memory is 8.0GB. [2025-03-15 00:58:40,117 INFO L158 Benchmark]: CDTParser took 1.13ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:58:40,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.69ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 31.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:58:40,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.22ms. Allocated memory is still 71.3MB. Free memory was 31.3MB in the beginning and 29.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:58:40,120 INFO L158 Benchmark]: Boogie Preprocessor took 24.71ms. Allocated memory is still 71.3MB. Free memory was 29.8MB in the beginning and 28.9MB in the end (delta: 923.1kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:58:40,120 INFO L158 Benchmark]: RCFGBuilder took 344.21ms. Allocated memory is still 71.3MB. Free memory was 28.9MB in the beginning and 41.0MB in the end (delta: -12.1MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. [2025-03-15 00:58:40,121 INFO L158 Benchmark]: TraceAbstraction took 1522.53ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.8MB in the beginning and 41.9MB in the end (delta: -2.1MB). Peak memory consumption was 48.4MB. Max. memory is 8.0GB. [2025-03-15 00:58:40,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13ms. Allocated memory is still 71.3MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 182.69ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 31.3MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.22ms. Allocated memory is still 71.3MB. Free memory was 31.3MB in the beginning and 29.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 24.71ms. Allocated memory is still 71.3MB. Free memory was 29.8MB in the beginning and 28.9MB in the end (delta: 923.1kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 344.21ms. Allocated memory is still 71.3MB. Free memory was 28.9MB in the beginning and 41.0MB in the end (delta: -12.1MB). Peak memory consumption was 15.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1522.53ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.8MB in the beginning and 41.9MB in the end (delta: -2.1MB). Peak memory consumption was 48.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 200 locations, 26 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: 1.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 76 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=606occurred in iteration=8, 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, 0.3s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 368 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:58:40,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...