/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:06:39,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:06:40,051 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 [2023-11-30 02:06:40,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:06:40,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:06:40,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:06:40,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:06:40,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:06:40,082 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:06:40,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:06:40,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:06:40,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:06:40,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:06:40,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:06:40,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:06:40,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:06:40,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:06:40,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:06:40,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:06:40,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:06:40,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:06:40,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:06:40,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:06:40,089 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:06:40,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:06:40,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:06:40,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:06:40,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:06:40,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:06:40,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:06:40,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:06:40,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:06:40,091 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:06:40,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:06:40,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:06:40,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:06:40,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:06:40,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:06:40,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:06:40,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2023-11-30 02:06:41,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:06:41,599 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:06:41,600 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_neg.i [2023-11-30 02:06:41,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fecc387cf/2a5c48645280475b81f49fe7133999b7/FLAG829a7f430 [2023-11-30 02:06:41,617 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fecc387cf/2a5c48645280475b81f49fe7133999b7 [2023-11-30 02:06:41,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:06:41,619 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:06:41,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:06:41,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:06:41,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:06:41,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777b6024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41, skipping insertion in model container [2023-11-30 02:06:41,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:06:41,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:06:41,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:06:41,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:06:41,939 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:06:41,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41 WrapperNode [2023-11-30 02:06:41,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:06:41,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:06:41,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:06:41,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:06:41,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,974 INFO L138 Inliner]: procedures = 164, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2023-11-30 02:06:41,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:06:41,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:06:41,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:06:41,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:06:41,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:41,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:42,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:42,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:06:42,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:06:42,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:06:42,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:06:42,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (1/1) ... [2023-11-30 02:06:42,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:06:42,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:06:42,027 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) [2023-11-30 02:06:42,029 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 [2023-11-30 02:06:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-30 02:06:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:06:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:06:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:06:42,050 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 02:06:42,185 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:06:42,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:06:42,337 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:06:42,351 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:06:42,351 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 02:06:42,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:06:42 BoogieIcfgContainer [2023-11-30 02:06:42,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:06:42,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:06:42,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:06:42,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:06:42,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:06:41" (1/3) ... [2023-11-30 02:06:42,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4ea6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:06:42, skipping insertion in model container [2023-11-30 02:06:42,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:06:41" (2/3) ... [2023-11-30 02:06:42,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59c4ea6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:06:42, skipping insertion in model container [2023-11-30 02:06:42,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:06:42" (3/3) ... [2023-11-30 02:06:42,358 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_neg.i [2023-11-30 02:06:42,370 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:06:42,370 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 02:06:42,370 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:06:42,412 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 02:06:42,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 86 transitions, 179 flow [2023-11-30 02:06:42,498 INFO L124 PetriNetUnfolderBase]: 3/85 cut-off events. [2023-11-30 02:06:42,498 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:06:42,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 85 events. 3/85 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2023-11-30 02:06:42,502 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 86 transitions, 179 flow [2023-11-30 02:06:42,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 77 transitions, 157 flow [2023-11-30 02:06:42,510 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:06:42,515 INFO L362 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2faa3337, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:06:42,515 INFO L363 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-30 02:06:42,538 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:06:42,538 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2023-11-30 02:06:42,538 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:06:42,538 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:06:42,539 INFO L232 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] [2023-11-30 02:06:42,539 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 02:06:42,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:06:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1794120383, now seen corresponding path program 1 times [2023-11-30 02:06:42,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:06:42,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044982063] [2023-11-30 02:06:42,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:06:42,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:06:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:06:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:06:42,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:06:42,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044982063] [2023-11-30 02:06:42,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044982063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:06:42,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:06:42,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:06:42,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610147628] [2023-11-30 02:06:42,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:06:42,706 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:06:42,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:06:42,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:06:42,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:06:42,726 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 86 [2023-11-30 02:06:42,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2023-11-30 02:06:42,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:06:42,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 86 [2023-11-30 02:06:42,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:06:42,786 INFO L124 PetriNetUnfolderBase]: 23/174 cut-off events. [2023-11-30 02:06:42,786 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:06:42,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 174 events. 23/174 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 590 event pairs, 16 based on Foata normal form. 6/164 useless extension candidates. Maximal degree in co-relation 207. Up to 44 conditions per place. [2023-11-30 02:06:42,788 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 13 selfloop transitions, 2 changer transitions 0/73 dead transitions. [2023-11-30 02:06:42,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 73 transitions, 179 flow [2023-11-30 02:06:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:06:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:06:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2023-11-30 02:06:42,802 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8604651162790697 [2023-11-30 02:06:42,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 222 transitions. [2023-11-30 02:06:42,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 222 transitions. [2023-11-30 02:06:42,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:06:42,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 222 transitions. [2023-11-30 02:06:42,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2023-11-30 02:06:42,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2023-11-30 02:06:42,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2023-11-30 02:06:42,813 INFO L307 CegarLoopForPetriNet]: 78 programPoint places, -2 predicate places. [2023-11-30 02:06:42,813 INFO L500 AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 179 flow [2023-11-30 02:06:42,814 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2023-11-30 02:06:42,814 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:06:42,814 INFO L232 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] [2023-11-30 02:06:42,814 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:06:42,814 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 02:06:42,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:06:42,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1866854976, now seen corresponding path program 1 times [2023-11-30 02:06:42,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:06:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601091816] [2023-11-30 02:06:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:06:42,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:06:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:06:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:06:42,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:06:42,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601091816] [2023-11-30 02:06:42,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601091816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:06:42,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:06:42,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:06:42,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829507322] [2023-11-30 02:06:42,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:06:42,871 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:06:42,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:06:42,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:06:42,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:06:42,873 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 86 [2023-11-30 02:06:42,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-11-30 02:06:42,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:06:42,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 86 [2023-11-30 02:06:42,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:06:42,927 INFO L124 PetriNetUnfolderBase]: 24/174 cut-off events. [2023-11-30 02:06:42,927 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2023-11-30 02:06:42,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 174 events. 24/174 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 584 event pairs, 13 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 263. Up to 50 conditions per place. [2023-11-30 02:06:42,930 INFO L140 encePairwiseOnDemand]: 83/86 looper letters, 16 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2023-11-30 02:06:42,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 74 transitions, 219 flow [2023-11-30 02:06:42,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:06:42,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:06:42,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 215 transitions. [2023-11-30 02:06:42,934 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2023-11-30 02:06:42,934 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 215 transitions. [2023-11-30 02:06:42,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 215 transitions. [2023-11-30 02:06:42,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:06:42,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 215 transitions. [2023-11-30 02:06:42,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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) [2023-11-30 02:06:42,939 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2023-11-30 02:06:42,939 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2023-11-30 02:06:42,939 INFO L307 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2023-11-30 02:06:42,939 INFO L500 AbstractCegarLoop]: Abstraction has has 77 places, 74 transitions, 219 flow [2023-11-30 02:06:42,940 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2023-11-30 02:06:42,940 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:06:42,940 INFO L232 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] [2023-11-30 02:06:42,940 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:06:42,940 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 02:06:42,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:06:42,941 INFO L85 PathProgramCache]: Analyzing trace with hash -513885846, now seen corresponding path program 1 times [2023-11-30 02:06:42,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:06:42,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788654604] [2023-11-30 02:06:42,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:06:42,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:06:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:06:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:06:43,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:06:43,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788654604] [2023-11-30 02:06:43,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788654604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:06:43,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:06:43,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:06:43,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167135263] [2023-11-30 02:06:43,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:06:43,388 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:06:43,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:06:43,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:06:43,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:06:43,390 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 86 [2023-11-30 02:06:43,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 219 flow. Second operand has 6 states, 6 states have (on average 66.0) internal successors, (396), 6 states have internal predecessors, (396), 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) [2023-11-30 02:06:43,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:06:43,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 86 [2023-11-30 02:06:43,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:06:43,463 INFO L124 PetriNetUnfolderBase]: 36/188 cut-off events. [2023-11-30 02:06:43,464 INFO L125 PetriNetUnfolderBase]: For 102/146 co-relation queries the response was YES. [2023-11-30 02:06:43,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 406 conditions, 188 events. 36/188 cut-off events. For 102/146 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 694 event pairs, 15 based on Foata normal form. 0/178 useless extension candidates. Maximal degree in co-relation 372. Up to 62 conditions per place. [2023-11-30 02:06:43,468 INFO L140 encePairwiseOnDemand]: 81/86 looper letters, 17 selfloop transitions, 4 changer transitions 10/81 dead transitions. [2023-11-30 02:06:43,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 81 transitions, 317 flow [2023-11-30 02:06:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:06:43,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:06:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 407 transitions. [2023-11-30 02:06:43,474 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7887596899224806 [2023-11-30 02:06:43,474 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 407 transitions. [2023-11-30 02:06:43,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 407 transitions. [2023-11-30 02:06:43,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:06:43,474 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 407 transitions. [2023-11-30 02:06:43,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 67.83333333333333) internal successors, (407), 6 states have internal predecessors, (407), 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) [2023-11-30 02:06:43,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 86.0) internal successors, (602), 7 states have internal predecessors, (602), 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) [2023-11-30 02:06:43,476 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 86.0) internal successors, (602), 7 states have internal predecessors, (602), 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) [2023-11-30 02:06:43,477 INFO L307 CegarLoopForPetriNet]: 78 programPoint places, 3 predicate places. [2023-11-30 02:06:43,477 INFO L500 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 317 flow [2023-11-30 02:06:43,478 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 66.0) internal successors, (396), 6 states have internal predecessors, (396), 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) [2023-11-30 02:06:43,478 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:06:43,478 INFO L232 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] [2023-11-30 02:06:43,478 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:06:43,478 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-30 02:06:43,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:06:43,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1218567101, now seen corresponding path program 1 times [2023-11-30 02:06:43,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:06:43,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612677266] [2023-11-30 02:06:43,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:06:43,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:06:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:06:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 02:06:43,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:06:43,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612677266] [2023-11-30 02:06:43,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612677266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:06:43,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:06:43,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:06:43,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440875094] [2023-11-30 02:06:43,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:06:43,523 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:06:43,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:06:43,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:06:43,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:06:43,526 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 86 [2023-11-30 02:06:43,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 317 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-30 02:06:43,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:06:43,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 86 [2023-11-30 02:06:43,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:06:43,565 INFO L124 PetriNetUnfolderBase]: 38/190 cut-off events. [2023-11-30 02:06:43,566 INFO L125 PetriNetUnfolderBase]: For 174/180 co-relation queries the response was YES. [2023-11-30 02:06:43,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 190 events. 38/190 cut-off events. For 174/180 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 655 event pairs, 11 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 443. Up to 61 conditions per place. [2023-11-30 02:06:43,566 INFO L140 encePairwiseOnDemand]: 83/86 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2023-11-30 02:06:43,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 82 transitions, 381 flow [2023-11-30 02:06:43,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:06:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:06:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 214 transitions. [2023-11-30 02:06:43,568 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2023-11-30 02:06:43,568 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 214 transitions. [2023-11-30 02:06:43,568 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 214 transitions. [2023-11-30 02:06:43,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:06:43,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 214 transitions. [2023-11-30 02:06:43,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 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) [2023-11-30 02:06:43,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2023-11-30 02:06:43,570 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 86.0) internal successors, (344), 4 states have internal predecessors, (344), 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) [2023-11-30 02:06:43,571 INFO L307 CegarLoopForPetriNet]: 78 programPoint places, 4 predicate places. [2023-11-30 02:06:43,571 INFO L500 AbstractCegarLoop]: Abstraction has has 82 places, 82 transitions, 381 flow [2023-11-30 02:06:43,571 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-30 02:06:43,576 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_18-first-reads_unknown_2_neg.i_BEv2_AllErrorsAtOnce [2023-11-30 02:06:43,606 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-30 02:06:43,606 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-30 02:06:43,606 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-30 02:06:43,606 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-11-30 02:06:43,607 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-30 02:06:43,607 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-30 02:06:43,607 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-30 02:06:43,607 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-30 02:06:43,607 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:06:43,607 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-30 02:06:43,612 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:06:43,612 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:06:43,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:06:43 BasicIcfg [2023-11-30 02:06:43,622 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:06:43,622 INFO L158 Benchmark]: Toolchain (without parser) took 2002.61ms. Allocated memory is still 593.5MB. Free memory was 548.8MB in the beginning and 524.8MB in the end (delta: 24.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.0GB. [2023-11-30 02:06:43,623 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 356.5MB. Free memory was 307.3MB in the beginning and 307.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:06:43,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.76ms. Allocated memory is still 593.5MB. Free memory was 548.4MB in the beginning and 529.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 02:06:43,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.79ms. Allocated memory is still 593.5MB. Free memory was 529.1MB in the beginning and 527.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:06:43,624 INFO L158 Benchmark]: Boogie Preprocessor took 26.78ms. Allocated memory is still 593.5MB. Free memory was 527.0MB in the beginning and 525.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:06:43,627 INFO L158 Benchmark]: RCFGBuilder took 350.78ms. Allocated memory is still 593.5MB. Free memory was 525.4MB in the beginning and 510.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-11-30 02:06:43,627 INFO L158 Benchmark]: TraceAbstraction took 1267.47ms. Allocated memory is still 593.5MB. Free memory was 509.9MB in the beginning and 524.8MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:06:43,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 356.5MB. Free memory was 307.3MB in the beginning and 307.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 319.76ms. Allocated memory is still 593.5MB. Free memory was 548.4MB in the beginning and 529.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 33.79ms. Allocated memory is still 593.5MB. Free memory was 529.1MB in the beginning and 527.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.78ms. Allocated memory is still 593.5MB. Free memory was 527.0MB in the beginning and 525.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 350.78ms. Allocated memory is still 593.5MB. Free memory was 525.4MB in the beginning and 510.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1267.47ms. Allocated memory is still 593.5MB. Free memory was 509.9MB in the beginning and 524.8MB in the end (delta: -14.9MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 126 locations, 8 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: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:06:43,641 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...