/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-ext/25_stack_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:06:13,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:06:13,169 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 00:06:13,186 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:06:13,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:06:13,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:06:13,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:06:13,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:06:13,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:06:13,188 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:06:13,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:06:13,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:06:13,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:06:13,189 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 00:06:13,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:06:13,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:06:13,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:06:13,529 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:06:13,529 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:06:13,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack_longest-1.i [2025-03-15 00:06:14,801 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3174e7c2/f26f333e64cd4e06938d0f2dd4eb758a/FLAGe7f5d579f [2025-03-15 00:06:15,045 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:06:15,045 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack_longest-1.i [2025-03-15 00:06:15,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3174e7c2/f26f333e64cd4e06938d0f2dd4eb758a/FLAGe7f5d579f [2025-03-15 00:06:15,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3174e7c2/f26f333e64cd4e06938d0f2dd4eb758a [2025-03-15 00:06:15,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:06:15,084 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:06:15,086 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:06:15,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:06:15,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:06:15,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1ebc9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15, skipping insertion in model container [2025-03-15 00:06:15,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,122 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:06:15,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:06:15,518 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:06:15,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:06:15,633 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:06:15,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15 WrapperNode [2025-03-15 00:06:15,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:06:15,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:06:15,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:06:15,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:06:15,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,713 INFO L138 Inliner]: procedures = 171, calls = 36, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 2086 [2025-03-15 00:06:15,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:06:15,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:06:15,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:06:15,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:06:15,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,783 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:06:15,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:06:15,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:06:15,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:06:15,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (1/1) ... [2025-03-15 00:06:15,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:06:15,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:06:15,852 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 00:06:15,855 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 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-03-15 00:06:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:06:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:06:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:06:15,883 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 00:06:15,994 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:06:15,995 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:06:17,420 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:06:17,420 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:06:17,535 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:06:17,535 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-15 00:06:17,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:06:17 BoogieIcfgContainer [2025-03-15 00:06:17,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:06:17,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:06:17,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:06:17,552 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:06:17,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:06:15" (1/3) ... [2025-03-15 00:06:17,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb59256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:06:17, skipping insertion in model container [2025-03-15 00:06:17,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:06:15" (2/3) ... [2025-03-15 00:06:17,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb59256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:06:17, skipping insertion in model container [2025-03-15 00:06:17,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:06:17" (3/3) ... [2025-03-15 00:06:17,556 INFO L128 eAbstractionObserver]: Analyzing ICFG 25_stack_longest-1.i [2025-03-15 00:06:17,566 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:06:17,569 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 25_stack_longest-1.i that has 2 procedures, 2069 locations, 1 initial locations, 2 loop locations, and 12 error locations. [2025-03-15 00:06:17,569 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:06:17,658 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:06:17,702 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:06:17,710 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;@70f8970e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:06:17,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-03-15 00:06:18,399 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:06:18,401 INFO L124 PetriNetUnfolderBase]: 0/1966 cut-off events. [2025-03-15 00:06:18,403 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:06:18,403 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:06:18,406 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:06:18,407 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2025-03-15 00:06:18,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:06:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1215297639, now seen corresponding path program 1 times [2025-03-15 00:06:18,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:06:18,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251154555] [2025-03-15 00:06:18,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:06:18,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:06:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:06:21,453 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 00:06:21,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:06:21,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251154555] [2025-03-15 00:06:21,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251154555] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:06:21,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:06:21,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:06:21,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248573625] [2025-03-15 00:06:21,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:06:21,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:06:21,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:06:21,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:06:21,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:06:21,509 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 2054 out of 2074 [2025-03-15 00:06:21,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2072 places, 2074 transitions, 4152 flow. Second operand has 3 states, 3 states have (on average 2055.3333333333335) internal successors, (6166), 3 states have internal predecessors, (6166), 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 00:06:21,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:06:21,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2054 of 2074 [2025-03-15 00:06:21,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:06:22,124 INFO L124 PetriNetUnfolderBase]: 6/2158 cut-off events. [2025-03-15 00:06:22,125 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:06:22,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 2158 events. 6/2158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 447 event pairs, 0 based on Foata normal form. 23/2158 useless extension candidates. Maximal degree in co-relation 228. Up to 14 conditions per place. [2025-03-15 00:06:22,135 INFO L140 encePairwiseOnDemand]: 2067/2074 looper letters, 21 selfloop transitions, 2 changer transitions 0/2073 dead transitions. [2025-03-15 00:06:22,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2066 places, 2073 transitions, 4196 flow [2025-03-15 00:06:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:06:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:06:22,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6194 transitions. [2025-03-15 00:06:22,160 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9954998392799743 [2025-03-15 00:06:22,165 INFO L298 CegarLoopForPetriNet]: 2072 programPoint places, -6 predicate places. [2025-03-15 00:06:22,165 INFO L471 AbstractCegarLoop]: Abstraction has has 2066 places, 2073 transitions, 4196 flow [2025-03-15 00:06:22,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2055.3333333333335) internal successors, (6166), 3 states have internal predecessors, (6166), 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 00:06:22,168 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:06:22,170 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:22,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:06:22,170 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2025-03-15 00:06:22,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:06:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1395206841, now seen corresponding path program 1 times [2025-03-15 00:06:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:06:22,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059510547] [2025-03-15 00:06:22,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:06:22,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:06:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 00:06:24,012 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-15 00:06:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 00:06:26,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-15 00:06:26,239 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-15 00:06:26,241 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2025-03-15 00:06:26,242 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2025-03-15 00:06:26,243 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2025-03-15 00:06:26,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:06:26,244 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-15 00:06:26,246 WARN L336 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-15 00:06:26,246 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-15 00:06:26,324 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:06:26,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:06:26,346 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;@70f8970e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:06:26,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2025-03-15 00:06:27,066 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:06:27,067 INFO L124 PetriNetUnfolderBase]: 0/1965 cut-off events. [2025-03-15 00:06:27,067 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:06:27,067 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:06:27,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:06:27,068 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2025-03-15 00:06:27,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:06:27,073 INFO L85 PathProgramCache]: Analyzing trace with hash 5137625, now seen corresponding path program 1 times [2025-03-15 00:06:27,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:06:27,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51649551] [2025-03-15 00:06:27,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:06:27,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:06:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:06:29,131 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 00:06:29,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:06:29,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51649551] [2025-03-15 00:06:29,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51649551] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:06:29,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:06:29,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:06:29,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55065777] [2025-03-15 00:06:29,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:06:29,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:06:29,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:06:29,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:06:29,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:06:29,143 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 2152 out of 2191 [2025-03-15 00:06:29,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2186 places, 2191 transitions, 4392 flow. Second operand has 3 states, 3 states have (on average 2153.3333333333335) internal successors, (6460), 3 states have internal predecessors, (6460), 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 00:06:29,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:06:29,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2152 of 2191 [2025-03-15 00:06:29,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:06:31,196 INFO L124 PetriNetUnfolderBase]: 547/6331 cut-off events. [2025-03-15 00:06:31,197 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2025-03-15 00:06:31,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7288 conditions, 6331 events. 547/6331 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 41729 event pairs, 147 based on Foata normal form. 493/6278 useless extension candidates. Maximal degree in co-relation 4997. Up to 471 conditions per place. [2025-03-15 00:06:31,251 INFO L140 encePairwiseOnDemand]: 2176/2191 looper letters, 55 selfloop transitions, 6 changer transitions 0/2208 dead transitions. [2025-03-15 00:06:31,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2178 places, 2208 transitions, 4553 flow [2025-03-15 00:06:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:06:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:06:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6533 transitions. [2025-03-15 00:06:31,263 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.993914498706831 [2025-03-15 00:06:31,264 INFO L298 CegarLoopForPetriNet]: 2186 programPoint places, -8 predicate places. [2025-03-15 00:06:31,265 INFO L471 AbstractCegarLoop]: Abstraction has has 2178 places, 2208 transitions, 4553 flow [2025-03-15 00:06:31,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2153.3333333333335) internal successors, (6460), 3 states have internal predecessors, (6460), 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 00:06:31,271 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:06:31,272 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:06:31,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:06:31,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2025-03-15 00:06:31,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:06:31,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1355321045, now seen corresponding path program 1 times [2025-03-15 00:06:31,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:06:31,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467893881] [2025-03-15 00:06:31,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:06:31,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:06:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 00:06:32,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-15 00:06:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 00:06:34,095 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-15 00:06:34,095 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-15 00:06:34,095 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2025-03-15 00:06:34,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2025-03-15 00:06:34,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2025-03-15 00:06:34,097 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2025-03-15 00:06:34,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:06:34,097 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-15 00:06:34,098 WARN L336 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-15 00:06:34,098 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-03-15 00:06:34,168 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:06:34,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:06:34,184 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;@70f8970e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:06:34,184 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2025-03-15 00:06:34,533 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:06:34,533 INFO L124 PetriNetUnfolderBase]: 0/1966 cut-off events. [2025-03-15 00:06:34,533 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:06:34,533 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:06:34,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:06:34,535 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2025-03-15 00:06:34,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:06:34,539 INFO L85 PathProgramCache]: Analyzing trace with hash 28415461, now seen corresponding path program 1 times [2025-03-15 00:06:34,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:06:34,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707315385] [2025-03-15 00:06:34,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:06:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:06:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:06:36,274 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 00:06:36,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:06:36,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707315385] [2025-03-15 00:06:36,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707315385] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:06:36,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:06:36,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:06:36,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361843089] [2025-03-15 00:06:36,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:06:36,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:06:36,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:06:36,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:06:36,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:06:36,282 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 2250 out of 2308 [2025-03-15 00:06:36,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2300 places, 2308 transitions, 4634 flow. Second operand has 3 states, 3 states have (on average 2251.3333333333335) internal successors, (6754), 3 states have internal predecessors, (6754), 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 00:06:36,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:06:36,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2250 of 2308 [2025-03-15 00:06:36,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:07:05,412 INFO L124 PetriNetUnfolderBase]: 17390/85270 cut-off events. [2025-03-15 00:07:05,412 INFO L125 PetriNetUnfolderBase]: For 2419/2419 co-relation queries the response was YES. [2025-03-15 00:07:06,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110501 conditions, 85270 events. 17390/85270 cut-off events. For 2419/2419 co-relation queries the response was YES. Maximal size of possible extension queue 1496. Compared 1270627 event pairs, 5259 based on Foata normal form. 9614/84222 useless extension candidates. Maximal degree in co-relation 100862. Up to 12258 conditions per place. [2025-03-15 00:07:06,533 INFO L140 encePairwiseOnDemand]: 2286/2308 looper letters, 83 selfloop transitions, 9 changer transitions 0/2336 dead transitions. [2025-03-15 00:07:06,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2289 places, 2336 transitions, 4886 flow [2025-03-15 00:07:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:07:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:07:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6865 transitions. [2025-03-15 00:07:06,544 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9914789139225881 [2025-03-15 00:07:06,545 INFO L298 CegarLoopForPetriNet]: 2300 programPoint places, -11 predicate places. [2025-03-15 00:07:06,546 INFO L471 AbstractCegarLoop]: Abstraction has has 2289 places, 2336 transitions, 4886 flow [2025-03-15 00:07:06,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2251.3333333333335) internal successors, (6754), 3 states have internal predecessors, (6754), 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 00:07:06,549 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:07:06,550 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:07:06,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:07:06,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2025-03-15 00:07:06,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:07:06,553 INFO L85 PathProgramCache]: Analyzing trace with hash -826692272, now seen corresponding path program 1 times [2025-03-15 00:07:06,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:07:06,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17676724] [2025-03-15 00:07:06,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:07:06,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:07:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:07:07,482 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 00:07:07,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:07:07,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17676724] [2025-03-15 00:07:07,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17676724] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:07:07,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:07:07,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:07:07,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141945377] [2025-03-15 00:07:07,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:07:07,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:07:07,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:07:07,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:07:07,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:07:07,489 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 2246 out of 2308 [2025-03-15 00:07:07,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2289 places, 2336 transitions, 4886 flow. Second operand has 3 states, 3 states have (on average 2248.0) internal successors, (6744), 3 states have internal predecessors, (6744), 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 00:07:07,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:07:07,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2246 of 2308 [2025-03-15 00:07:07,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:07:11,632 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8919] L757-->L757-3: Formula: (and (= |v_thr1Thread1of3ForFork0_#t~ret19#1_1| 0) (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread1of3ForFork0_#t~ret19#1=|v_thr1Thread1of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread1of3ForFork0_#t~ret19#1][1973], [2306#true, 323#L753true, 986#L766-4true, thr1Thread1of3ForFork0InUse, 1779#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2305#(= |#race~state~0| 0), 1187#L757-3true]) [2025-03-15 00:07:11,632 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:11,632 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:11,632 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:11,635 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:11,638 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8919] L757-->L757-3: Formula: (and (= |v_thr1Thread1of3ForFork0_#t~ret19#1_1| 0) (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread1of3ForFork0_#t~ret19#1=|v_thr1Thread1of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread1of3ForFork0_#t~ret19#1][1973], [2306#true, 1733#L706-4true, 323#L753true, 986#L766-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2305#(= |#race~state~0| 0), 1187#L757-3true]) [2025-03-15 00:07:11,638 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:11,638 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:11,638 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:11,638 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:12,611 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8919] L757-->L757-3: Formula: (and (= |v_thr1Thread1of3ForFork0_#t~ret19#1_1| 0) (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread1of3ForFork0_#t~ret19#1=|v_thr1Thread1of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread1of3ForFork0_#t~ret19#1][1973], [1282#L751-1true, 2306#true, 986#L766-4true, thr1Thread1of3ForFork0InUse, 1779#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 1187#L757-3true, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:12,611 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,611 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,611 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,611 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,613 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8919] L757-->L757-3: Formula: (and (= |v_thr1Thread1of3ForFork0_#t~ret19#1_1| 0) (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread1of3ForFork0_#t~ret19#1=|v_thr1Thread1of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread1of3ForFork0_#t~ret19#1][1973], [1282#L751-1true, 2306#true, 1733#L706-4true, 986#L766-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2305#(= |#race~state~0| 0), 1187#L757-3true]) [2025-03-15 00:07:12,613 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,613 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,613 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,613 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,854 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2011], [2306#true, 1114#L757-3true, 986#L766-4true, 1007#L751-1true, 1660#L706-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:12,854 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,854 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,854 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,855 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,856 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2011], [2306#true, 1114#L757-3true, 986#L766-4true, 1007#L751-1true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 1464#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:12,856 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,856 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,856 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,856 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,865 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8803] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][2058], [2306#true, 986#L766-4true, 1007#L751-1true, thr1Thread1of3ForFork0InUse, 1779#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2090#L757-3true, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:12,865 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,865 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,865 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,865 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,866 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8803] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][2058], [1733#L706-4true, 2306#true, 986#L766-4true, 1007#L751-1true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2090#L757-3true, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:12,867 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:12,867 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,867 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:12,867 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:13,066 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2059], [323#L753true, 1114#L757-3true, 986#L766-4true, 190#L706-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2308#(= |#race~top~0| |thr1Thread1of3ForFork0_EBStack_init_#t~nondet5#1|), 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:13,067 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2059], [336#L706-3true, 1114#L757-3true, 323#L753true, 986#L766-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2308#(= |#race~top~0| |thr1Thread1of3ForFork0_EBStack_init_#t~nondet5#1|), 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:13,067 INFO L294 olderBase$Statistics]: this new event has 2000 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L297 olderBase$Statistics]: existing Event has 2000 ancestors and is cut-off event [2025-03-15 00:07:13,067 INFO L297 olderBase$Statistics]: existing Event has 1989 ancestors and is cut-off event [2025-03-15 00:07:13,325 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8803] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][2058], [2306#true, 986#L766-4true, thr1Thread1of3ForFork0InUse, 1779#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 358#L753true, 2090#L757-3true, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:13,326 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,326 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,326 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,326 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,327 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2011], [2306#true, 1114#L757-3true, 986#L766-4true, 1660#L706-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 358#L753true, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:13,327 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,327 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,327 INFO L297 olderBase$Statistics]: existing Event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,327 INFO L297 olderBase$Statistics]: existing Event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,328 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2011], [2306#true, 1114#L757-3true, 986#L766-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 1464#thr1Err1ASSERT_VIOLATIONDATA_RACEtrue, 358#L753true, 2305#(= |#race~state~0| 0)]) [2025-03-15 00:07:13,328 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,328 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,328 INFO L297 olderBase$Statistics]: existing Event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,329 INFO L297 olderBase$Statistics]: existing Event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,330 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8803] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][2058], [1733#L706-4true, 2306#true, 986#L766-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2090#L757-3true, 2305#(= |#race~state~0| 0), 358#L753true]) [2025-03-15 00:07:13,330 INFO L294 olderBase$Statistics]: this new event has 2001 ancestors and is cut-off event [2025-03-15 00:07:13,330 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,330 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:13,330 INFO L297 olderBase$Statistics]: existing Event has 1990 ancestors and is cut-off event [2025-03-15 00:07:23,983 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2168], [2303#true, 1114#L757-3true, 986#L766-4true, 585#L694-3true, 190#L706-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2308#(= |#race~top~0| |thr1Thread1of3ForFork0_EBStack_init_#t~nondet5#1|)]) [2025-03-15 00:07:23,984 INFO L294 olderBase$Statistics]: this new event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,984 INFO L297 olderBase$Statistics]: existing Event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,984 INFO L297 olderBase$Statistics]: existing Event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,984 INFO L297 olderBase$Statistics]: existing Event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,995 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([8803] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][2213], [2303#true, 986#L766-4true, 190#L706-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2308#(= |#race~top~0| |thr1Thread1of3ForFork0_EBStack_init_#t~nondet5#1|), 2090#L757-3true, 1418#L694-3true]) [2025-03-15 00:07:23,996 INFO L294 olderBase$Statistics]: this new event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,996 INFO L297 olderBase$Statistics]: existing Event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,996 INFO L297 olderBase$Statistics]: existing Event has 2022 ancestors and is cut-off event [2025-03-15 00:07:23,996 INFO L297 olderBase$Statistics]: existing Event has 2022 ancestors and is cut-off event [2025-03-15 00:07:28,122 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([9035] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][2168], [2303#true, 1114#L757-3true, 986#L766-4true, 2144#L696-3true, 190#L706-4true, thr1Thread1of3ForFork0InUse, thr1Thread2of3ForFork0InUse, thr1Thread3of3ForFork0InUse, 2308#(= |#race~top~0| |thr1Thread1of3ForFork0_EBStack_init_#t~nondet5#1|)]) [2025-03-15 00:07:28,123 INFO L294 olderBase$Statistics]: this new event has 2027 ancestors and is cut-off event [2025-03-15 00:07:28,123 INFO L297 olderBase$Statistics]: existing Event has 2027 ancestors and is cut-off event [2025-03-15 00:07:28,123 INFO L297 olderBase$Statistics]: existing Event has 2027 ancestors and is cut-off event [2025-03-15 00:07:28,123 INFO L297 olderBase$Statistics]: existing Event has 2027 ancestors and is cut-off event