/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/goblint-regression/04-mutex_02-simple_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:24:48,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:24:48,678 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 00:24:48,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:24:48,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:24:48,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:24:48,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:24:48,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:24:48,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:24:48,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:24:48,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:24:48,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:24:48,702 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 00:24:48,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:24:48,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:24:48,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:24:48,953 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:24:48,953 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:24:48,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_02-simple_nr.i [2025-03-15 00:24:50,134 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36a97eb7/1dad3a43345f420da8fd305427f3bc67/FLAGd6a729156 [2025-03-15 00:24:50,359 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:24:50,360 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_02-simple_nr.i [2025-03-15 00:24:50,379 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36a97eb7/1dad3a43345f420da8fd305427f3bc67/FLAGd6a729156 [2025-03-15 00:24:50,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b36a97eb7/1dad3a43345f420da8fd305427f3bc67 [2025-03-15 00:24:50,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:24:50,399 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:24:50,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:24:50,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:24:50,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:24:50,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,404 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 12:24:50, skipping insertion in model container [2025-03-15 00:24:50,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:24:50,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:24:50,709 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:24:50,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:24:50,802 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:24:50,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50 WrapperNode [2025-03-15 00:24:50,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:24:50,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:24:50,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:24:50,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:24:50,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,842 INFO L138 Inliner]: procedures = 262, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2025-03-15 00:24:50,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:24:50,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:24:50,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:24:50,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:24:50,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:24:50,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:24:50,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:24:50,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:24:50,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (1/1) ... [2025-03-15 00:24:50,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:24:50,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:24:50,899 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 00:24:50,905 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 00:24:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:24:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:24:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:24:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:24:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:24:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:24:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:24:50,919 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 00:24:51,010 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:24:51,012 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:24:51,120 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:24:51,121 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:24:51,134 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:24:51,134 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:24:51,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:24:51 BoogieIcfgContainer [2025-03-15 00:24:51,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:24:51,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:24:51,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:24:51,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:24:51,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:24:50" (1/3) ... [2025-03-15 00:24:51,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395ba4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:24:51, skipping insertion in model container [2025-03-15 00:24:51,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:24:50" (2/3) ... [2025-03-15 00:24:51,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395ba4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:24:51, skipping insertion in model container [2025-03-15 00:24:51,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:24:51" (3/3) ... [2025-03-15 00:24:51,142 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_02-simple_nr.i [2025-03-15 00:24:51,151 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:24:51,152 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_02-simple_nr.i that has 2 procedures, 112 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 00:24:51,153 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:24:51,215 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 00:24:51,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:24:51,252 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;@5affd3d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:24:51,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 00:24:51,295 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:24:51,295 INFO L124 PetriNetUnfolderBase]: 0/82 cut-off events. [2025-03-15 00:24:51,299 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:24:51,299 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:24:51,300 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] [2025-03-15 00:24:51,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 00:24:51,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:24:51,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1360144985, now seen corresponding path program 1 times [2025-03-15 00:24:51,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:24:51,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522416623] [2025-03-15 00:24:51,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:24:51,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:24:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:24:51,584 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 00:24:51,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:24:51,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522416623] [2025-03-15 00:24:51,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522416623] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:24:51,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:24:51,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:24:51,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705555880] [2025-03-15 00:24:51,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:24:51,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:24:51,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:24:51,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:24:51,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:24:51,625 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 111 [2025-03-15 00:24:51,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 111 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 00:24:51,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:24:51,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 111 [2025-03-15 00:24:51,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:24:51,738 INFO L124 PetriNetUnfolderBase]: 67/304 cut-off events. [2025-03-15 00:24:51,738 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 00:24:51,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 466 conditions, 304 events. 67/304 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1106 event pairs, 33 based on Foata normal form. 0/272 useless extension candidates. Maximal degree in co-relation 379. Up to 101 conditions per place. [2025-03-15 00:24:51,744 INFO L140 encePairwiseOnDemand]: 103/111 looper letters, 25 selfloop transitions, 6 changer transitions 5/124 dead transitions. [2025-03-15 00:24:51,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 124 transitions, 318 flow [2025-03-15 00:24:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:24:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:24:51,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2025-03-15 00:24:51,753 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.93993993993994 [2025-03-15 00:24:51,756 INFO L298 CegarLoopForPetriNet]: 115 programPoint places, 1 predicate places. [2025-03-15 00:24:51,756 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 124 transitions, 318 flow [2025-03-15 00:24:51,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 00:24:51,757 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:24:51,757 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] [2025-03-15 00:24:51,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:24:51,757 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 00:24:51,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:24:51,758 INFO L85 PathProgramCache]: Analyzing trace with hash 867001002, now seen corresponding path program 1 times [2025-03-15 00:24:51,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:24:51,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275875271] [2025-03-15 00:24:51,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:24:51,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:24:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:24:51,855 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 00:24:51,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:24:51,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275875271] [2025-03-15 00:24:51,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275875271] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:24:51,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:24:51,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:24:51,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278171351] [2025-03-15 00:24:51,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:24:51,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:24:51,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:24:51,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:24:51,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:24:51,858 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 111 [2025-03-15 00:24:51,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 124 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 00:24:51,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:24:51,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 111 [2025-03-15 00:24:51,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:24:51,956 INFO L124 PetriNetUnfolderBase]: 91/362 cut-off events. [2025-03-15 00:24:51,956 INFO L125 PetriNetUnfolderBase]: For 47/59 co-relation queries the response was YES. [2025-03-15 00:24:51,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 362 events. 91/362 cut-off events. For 47/59 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1425 event pairs, 31 based on Foata normal form. 2/331 useless extension candidates. Maximal degree in co-relation 668. Up to 169 conditions per place. [2025-03-15 00:24:51,958 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 34 selfloop transitions, 8 changer transitions 9/137 dead transitions. [2025-03-15 00:24:51,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 137 transitions, 462 flow [2025-03-15 00:24:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:24:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:24:51,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2025-03-15 00:24:51,962 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9129129129129129 [2025-03-15 00:24:51,962 INFO L298 CegarLoopForPetriNet]: 115 programPoint places, 3 predicate places. [2025-03-15 00:24:51,962 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 137 transitions, 462 flow [2025-03-15 00:24:51,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 00:24:51,963 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:24:51,963 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] [2025-03-15 00:24:51,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:24:51,963 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 00:24:51,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:24:51,966 INFO L85 PathProgramCache]: Analyzing trace with hash -199137204, now seen corresponding path program 1 times [2025-03-15 00:24:51,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:24:51,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276926187] [2025-03-15 00:24:51,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:24:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:24:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:24:52,049 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 00:24:52,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:24:52,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276926187] [2025-03-15 00:24:52,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276926187] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:24:52,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:24:52,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:24:52,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392078766] [2025-03-15 00:24:52,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:24:52,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:24:52,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:24:52,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:24:52,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:24:52,052 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 111 [2025-03-15 00:24:52,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 137 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 00:24:52,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:24:52,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 111 [2025-03-15 00:24:52,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:24:52,149 INFO L124 PetriNetUnfolderBase]: 113/409 cut-off events. [2025-03-15 00:24:52,149 INFO L125 PetriNetUnfolderBase]: For 142/151 co-relation queries the response was YES. [2025-03-15 00:24:52,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1077 conditions, 409 events. 113/409 cut-off events. For 142/151 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1670 event pairs, 29 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 982. Up to 183 conditions per place. [2025-03-15 00:24:52,152 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 33 selfloop transitions, 7 changer transitions 27/152 dead transitions. [2025-03-15 00:24:52,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 152 transitions, 674 flow [2025-03-15 00:24:52,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:24:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:24:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 300 transitions. [2025-03-15 00:24:52,154 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9009009009009009 [2025-03-15 00:24:52,154 INFO L298 CegarLoopForPetriNet]: 115 programPoint places, 5 predicate places. [2025-03-15 00:24:52,154 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 152 transitions, 674 flow [2025-03-15 00:24:52,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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 00:24:52,155 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:24:52,155 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] [2025-03-15 00:24:52,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:24:52,155 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 00:24:52,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:24:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash 542985208, now seen corresponding path program 1 times [2025-03-15 00:24:52,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:24:52,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624440128] [2025-03-15 00:24:52,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:24:52,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:24:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:24:52,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 00:24:52,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:24:52,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624440128] [2025-03-15 00:24:52,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624440128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:24:52,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:24:52,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:24:52,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135430222] [2025-03-15 00:24:52,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:24:52,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:24:52,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:24:52,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:24:52,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:24:52,339 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 111 [2025-03-15 00:24:52,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 152 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 00:24:52,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:24:52,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 111 [2025-03-15 00:24:52,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:24:52,368 INFO L124 PetriNetUnfolderBase]: 1/129 cut-off events. [2025-03-15 00:24:52,368 INFO L125 PetriNetUnfolderBase]: For 103/109 co-relation queries the response was YES. [2025-03-15 00:24:52,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 129 events. 1/129 cut-off events. For 103/109 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 1 based on Foata normal form. 14/143 useless extension candidates. Maximal degree in co-relation 138. Up to 29 conditions per place. [2025-03-15 00:24:52,368 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 0 selfloop transitions, 0 changer transitions 106/106 dead transitions. [2025-03-15 00:24:52,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 106 transitions, 338 flow [2025-03-15 00:24:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:24:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:24:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2025-03-15 00:24:52,370 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.933933933933934 [2025-03-15 00:24:52,371 INFO L298 CegarLoopForPetriNet]: 115 programPoint places, 3 predicate places. [2025-03-15 00:24:52,371 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 106 transitions, 338 flow [2025-03-15 00:24:52,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 00:24:52,379 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_02-simple_nr.i_petrified1_AllErrorsAtOnce [2025-03-15 00:24:52,405 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-03-15 00:24:52,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-03-15 00:24:52,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 00:24:52,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-03-15 00:24:52,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-03-15 00:24:52,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-03-15 00:24:52,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-03-15 00:24:52,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:24:52,406 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 00:24:52,411 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:24:52,411 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:24:52,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:24:52 BasicIcfg [2025-03-15 00:24:52,417 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:24:52,417 INFO L158 Benchmark]: Toolchain (without parser) took 2018.96ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 52.9MB in the end (delta: -9.9MB). Peak memory consumption was 43.2MB. Max. memory is 8.0GB. [2025-03-15 00:24:52,418 INFO L158 Benchmark]: CDTParser took 1.15ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:24:52,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.33ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 40.3MB in the end (delta: 2.5MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. [2025-03-15 00:24:52,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.18ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:24:52,419 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 71.3MB. Free memory was 38.0MB in the beginning and 36.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:24:52,419 INFO L158 Benchmark]: RCFGBuilder took 269.30ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 22.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:24:52,419 INFO L158 Benchmark]: TraceAbstraction took 1280.22ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 21.9MB in the beginning and 52.9MB in the end (delta: -31.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2025-03-15 00:24:52,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 403.33ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 40.3MB in the end (delta: 2.5MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.18ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 71.3MB. Free memory was 38.0MB in the beginning and 36.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 269.30ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 22.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1280.22ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 21.9MB in the beginning and 52.9MB in the end (delta: -31.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: 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 3 procedures, 130 locations, 7 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: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 48 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=674occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 0.4s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 348 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:24:52,440 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...