/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_07-ps_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:25:00,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:25:00,523 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 00:25:00,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:25:00,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:25:00,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:25:00,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:25:00,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:25:00,552 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:25:00,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:25:00,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:25:00,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:25:00,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:25:00,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:25:00,554 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 00:25:00,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:25:00,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:25:00,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:25:00,846 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:25:00,846 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:25:00,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_07-ps_nr.i [2025-03-15 00:25:02,006 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6f6edbb/3ac6dd57bed144558f435bc45e0c6745/FLAGdf946cbec [2025-03-15 00:25:02,277 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:25:02,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_07-ps_nr.i [2025-03-15 00:25:02,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6f6edbb/3ac6dd57bed144558f435bc45e0c6745/FLAGdf946cbec [2025-03-15 00:25:02,599 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d6f6edbb/3ac6dd57bed144558f435bc45e0c6745 [2025-03-15 00:25:02,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:25:02,603 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:25:02,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:25:02,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:25:02,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:25:02,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:02,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02, skipping insertion in model container [2025-03-15 00:25:02,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:02,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:25:02,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:25:02,909 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:25:02,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:25:02,991 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:25:02,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02 WrapperNode [2025-03-15 00:25:02,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:25:02,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:25:02,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:25:02,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:25:02,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,020 INFO L138 Inliner]: procedures = 266, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2025-03-15 00:25:03,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:25:03,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:25:03,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:25:03,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:25:03,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,030 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:25:03,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:25:03,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:25:03,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:25:03,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (1/1) ... [2025-03-15 00:25:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:25:03,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:25:03,075 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 00:25:03,081 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 00:25:03,099 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:25:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:25:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:25:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:25:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:25:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:25:03,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:25:03,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:25:03,101 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 00:25:03,180 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:25:03,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:25:03,278 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:25:03,278 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:25:03,295 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:25:03,295 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:25:03,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:25:03 BoogieIcfgContainer [2025-03-15 00:25:03,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:25:03,297 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:25:03,297 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:25:03,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:25:03,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:25:02" (1/3) ... [2025-03-15 00:25:03,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba49393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:25:03, skipping insertion in model container [2025-03-15 00:25:03,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:02" (2/3) ... [2025-03-15 00:25:03,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba49393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:25:03, skipping insertion in model container [2025-03-15 00:25:03,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:25:03" (3/3) ... [2025-03-15 00:25:03,302 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_07-ps_nr.i [2025-03-15 00:25:03,313 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:25:03,314 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_07-ps_nr.i that has 2 procedures, 67 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 00:25:03,314 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:25:03,351 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:25:03,399 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:25:03,411 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;@69966836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:25:03,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 00:25:03,441 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:25:03,441 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2025-03-15 00:25:03,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:25:03,443 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:03,443 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] [2025-03-15 00:25:03,444 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 00:25:03,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:03,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1811652650, now seen corresponding path program 1 times [2025-03-15 00:25:03,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:03,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239600815] [2025-03-15 00:25:03,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:03,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:03,611 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 00:25:03,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:03,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239600815] [2025-03-15 00:25:03,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239600815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:03,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:03,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:25:03,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709228783] [2025-03-15 00:25:03,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:03,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:03,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:03,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:03,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:03,641 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 69 [2025-03-15 00:25:03,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 69 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 00:25:03,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:03,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 69 [2025-03-15 00:25:03,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:03,777 INFO L124 PetriNetUnfolderBase]: 90/337 cut-off events. [2025-03-15 00:25:03,777 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:25:03,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506 conditions, 337 events. 90/337 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1721 event pairs, 19 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 479. Up to 104 conditions per place. [2025-03-15 00:25:03,786 INFO L140 encePairwiseOnDemand]: 61/69 looper letters, 25 selfloop transitions, 6 changer transitions 0/82 dead transitions. [2025-03-15 00:25:03,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 82 transitions, 229 flow [2025-03-15 00:25:03,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:03,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2025-03-15 00:25:03,795 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9130434782608695 [2025-03-15 00:25:03,799 INFO L298 CegarLoopForPetriNet]: 70 programPoint places, 1 predicate places. [2025-03-15 00:25:03,800 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 82 transitions, 229 flow [2025-03-15 00:25:03,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 00:25:03,800 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:03,800 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:25:03,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:25:03,801 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 00:25:03,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:03,801 INFO L85 PathProgramCache]: Analyzing trace with hash 863098019, now seen corresponding path program 1 times [2025-03-15 00:25:03,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:03,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713331717] [2025-03-15 00:25:03,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:03,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:03,870 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 00:25:03,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:03,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713331717] [2025-03-15 00:25:03,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713331717] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:03,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:03,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:25:03,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215670805] [2025-03-15 00:25:03,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:03,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:03,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:03,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:03,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:03,873 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 69 [2025-03-15 00:25:03,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 82 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 00:25:03,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:03,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 69 [2025-03-15 00:25:03,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:03,999 INFO L124 PetriNetUnfolderBase]: 117/413 cut-off events. [2025-03-15 00:25:04,000 INFO L125 PetriNetUnfolderBase]: For 67/152 co-relation queries the response was YES. [2025-03-15 00:25:04,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 830 conditions, 413 events. 117/413 cut-off events. For 67/152 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2178 event pairs, 24 based on Foata normal form. 3/357 useless extension candidates. Maximal degree in co-relation 801. Up to 177 conditions per place. [2025-03-15 00:25:04,002 INFO L140 encePairwiseOnDemand]: 63/69 looper letters, 34 selfloop transitions, 8 changer transitions 5/95 dead transitions. [2025-03-15 00:25:04,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 95 transitions, 371 flow [2025-03-15 00:25:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:04,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:04,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2025-03-15 00:25:04,006 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8695652173913043 [2025-03-15 00:25:04,006 INFO L298 CegarLoopForPetriNet]: 70 programPoint places, 3 predicate places. [2025-03-15 00:25:04,007 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 95 transitions, 371 flow [2025-03-15 00:25:04,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 00:25:04,007 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:04,007 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] [2025-03-15 00:25:04,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:25:04,007 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 00:25:04,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:04,008 INFO L85 PathProgramCache]: Analyzing trace with hash 826216541, now seen corresponding path program 1 times [2025-03-15 00:25:04,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:04,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164721496] [2025-03-15 00:25:04,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:04,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:04,081 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 00:25:04,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:04,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164721496] [2025-03-15 00:25:04,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164721496] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:04,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:04,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:25:04,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203847010] [2025-03-15 00:25:04,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:04,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:04,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:04,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:04,083 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2025-03-15 00:25:04,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 95 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 00:25:04,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:04,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2025-03-15 00:25:04,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:04,159 INFO L124 PetriNetUnfolderBase]: 124/490 cut-off events. [2025-03-15 00:25:04,159 INFO L125 PetriNetUnfolderBase]: For 124/175 co-relation queries the response was YES. [2025-03-15 00:25:04,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 490 events. 124/490 cut-off events. For 124/175 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2750 event pairs, 39 based on Foata normal form. 3/437 useless extension candidates. Maximal degree in co-relation 1023. Up to 192 conditions per place. [2025-03-15 00:25:04,164 INFO L140 encePairwiseOnDemand]: 63/69 looper letters, 15 selfloop transitions, 3 changer transitions 9/100 dead transitions. [2025-03-15 00:25:04,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 100 transitions, 439 flow [2025-03-15 00:25:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:04,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:04,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2025-03-15 00:25:04,167 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8985507246376812 [2025-03-15 00:25:04,168 INFO L298 CegarLoopForPetriNet]: 70 programPoint places, 5 predicate places. [2025-03-15 00:25:04,168 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 100 transitions, 439 flow [2025-03-15 00:25:04,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 00:25:04,168 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:04,168 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 00:25:04,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:25:04,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 00:25:04,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:04,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1735513866, now seen corresponding path program 1 times [2025-03-15 00:25:04,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:04,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283681704] [2025-03-15 00:25:04,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:04,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:04,227 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 00:25:04,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:04,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283681704] [2025-03-15 00:25:04,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283681704] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:04,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:04,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:25:04,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37809958] [2025-03-15 00:25:04,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:04,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:04,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:04,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:04,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:04,230 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 69 [2025-03-15 00:25:04,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 100 transitions, 439 flow. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 00:25:04,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:04,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 69 [2025-03-15 00:25:04,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:04,318 INFO L124 PetriNetUnfolderBase]: 167/600 cut-off events. [2025-03-15 00:25:04,319 INFO L125 PetriNetUnfolderBase]: For 424/539 co-relation queries the response was YES. [2025-03-15 00:25:04,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1564 conditions, 600 events. 167/600 cut-off events. For 424/539 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3517 event pairs, 35 based on Foata normal form. 4/534 useless extension candidates. Maximal degree in co-relation 1528. Up to 213 conditions per place. [2025-03-15 00:25:04,322 INFO L140 encePairwiseOnDemand]: 63/69 looper letters, 33 selfloop transitions, 8 changer transitions 34/121 dead transitions. [2025-03-15 00:25:04,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 121 transitions, 715 flow [2025-03-15 00:25:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:04,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 179 transitions. [2025-03-15 00:25:04,324 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8647342995169082 [2025-03-15 00:25:04,324 INFO L298 CegarLoopForPetriNet]: 70 programPoint places, 7 predicate places. [2025-03-15 00:25:04,324 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 121 transitions, 715 flow [2025-03-15 00:25:04,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 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 00:25:04,324 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:04,324 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] [2025-03-15 00:25:04,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:25:04,325 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 00:25:04,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:04,325 INFO L85 PathProgramCache]: Analyzing trace with hash 93084996, now seen corresponding path program 1 times [2025-03-15 00:25:04,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:04,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523448498] [2025-03-15 00:25:04,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:04,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:04,424 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 00:25:04,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:04,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523448498] [2025-03-15 00:25:04,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523448498] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:04,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:04,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:25:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419191113] [2025-03-15 00:25:04,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:04,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:04,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:04,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:04,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:04,426 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 69 [2025-03-15 00:25:04,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 121 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 00:25:04,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:04,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 69 [2025-03-15 00:25:04,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:04,455 INFO L124 PetriNetUnfolderBase]: 24/196 cut-off events. [2025-03-15 00:25:04,456 INFO L125 PetriNetUnfolderBase]: For 336/372 co-relation queries the response was YES. [2025-03-15 00:25:04,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 196 events. 24/196 cut-off events. For 336/372 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 694 event pairs, 8 based on Foata normal form. 19/201 useless extension candidates. Maximal degree in co-relation 407. Up to 59 conditions per place. [2025-03-15 00:25:04,456 INFO L140 encePairwiseOnDemand]: 65/69 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2025-03-15 00:25:04,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 73 transitions, 339 flow [2025-03-15 00:25:04,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:04,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:04,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 187 transitions. [2025-03-15 00:25:04,458 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9033816425120773 [2025-03-15 00:25:04,459 INFO L298 CegarLoopForPetriNet]: 70 programPoint places, 5 predicate places. [2025-03-15 00:25:04,459 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 73 transitions, 339 flow [2025-03-15 00:25:04,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 00:25:04,465 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_07-ps_nr.i_petrified1_AllErrorsAtOnce [2025-03-15 00:25:04,485 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-03-15 00:25:04,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-03-15 00:25:04,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 00:25:04,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-03-15 00:25:04,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-03-15 00:25:04,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-03-15 00:25:04,486 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-03-15 00:25:04,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:25:04,487 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 00:25:04,504 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:25:04,505 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:25:04,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:25:04 BasicIcfg [2025-03-15 00:25:04,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:25:04,508 INFO L158 Benchmark]: Toolchain (without parser) took 1906.43ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.1MB in the beginning and 57.8MB in the end (delta: -14.6MB). Peak memory consumption was 42.7MB. Max. memory is 8.0GB. [2025-03-15 00:25:04,509 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:25:04,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.18ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 40.8MB in the end (delta: 2.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-03-15 00:25:04,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.19ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 38.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:25:04,509 INFO L158 Benchmark]: Boogie Preprocessor took 17.14ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:25:04,509 INFO L158 Benchmark]: RCFGBuilder took 257.48ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 25.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:25:04,512 INFO L158 Benchmark]: TraceAbstraction took 1210.72ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 24.2MB in the beginning and 57.8MB in the end (delta: -33.6MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. [2025-03-15 00:25:04,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 387.18ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 40.8MB in the end (delta: 2.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.19ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 38.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.14ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 257.48ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 25.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1210.72ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 24.2MB in the beginning and 57.8MB in the end (delta: -33.6MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 945]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 945]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 87 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 54 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=715occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 171 NumberOfCodeBlocks, 171 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 00:25:04,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...