./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:50:43,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:50:43,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:50:43,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:50:43,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:50:43,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:50:43,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:50:43,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:50:43,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:50:43,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:50:43,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:50:43,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:50:43,958 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:50:43,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:50:43,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:50:43,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:50:43,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:50:43,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:50:43,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:50:43,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:50:43,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:50:43,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:50:43,964 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:50:43,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:50:43,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:50:43,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:50:43,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:50:43,966 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:50:43,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:50:43,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:50:43,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:50:43,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:50:43,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:50:43,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:50:43,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:50:43,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:50:43,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:50:43,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:50:43,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:50:43,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:50:43,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:50:43,970 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970aeb05466fab8a4f1842e5a4212ccc8109141703ea02aad9a394d03dd3473a [2024-11-09 06:50:44,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:50:44,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:50:44,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:50:44,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:50:44,255 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:50:44,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2024-11-09 06:50:45,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:50:46,009 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:50:46,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_09-ptrmunge_rc.i [2024-11-09 06:50:46,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7591021b/b1fc935063694a8dbfc2966b162720cf/FLAG7c439400b [2024-11-09 06:50:46,055 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7591021b/b1fc935063694a8dbfc2966b162720cf [2024-11-09 06:50:46,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:50:46,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:50:46,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:46,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:50:46,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:50:46,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f743d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46, skipping insertion in model container [2024-11-09 06:50:46,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:50:46,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:46,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:50:46,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:50:46,735 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:50:46,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46 WrapperNode [2024-11-09 06:50:46,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:50:46,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:46,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:50:46,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:50:46,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,790 INFO L138 Inliner]: procedures = 263, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-11-09 06:50:46,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:50:46,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:50:46,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:50:46,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:50:46,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,802 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:50:46,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:50:46,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:50:46,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:50:46,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (1/1) ... [2024-11-09 06:50:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:50:46,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:50:46,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:50:46,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:50:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-09 06:50:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:50:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:50:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-09 06:50:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:50:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-09 06:50:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-09 06:50:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:50:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:50:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:50:46,912 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:50:47,073 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:50:47,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:50:47,309 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:50:47,311 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:50:47,344 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:50:47,345 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:50:47,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:47 BoogieIcfgContainer [2024-11-09 06:50:47,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:50:47,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:50:47,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:50:47,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:50:47,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:50:46" (1/3) ... [2024-11-09 06:50:47,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11efd569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:47, skipping insertion in model container [2024-11-09 06:50:47,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:50:46" (2/3) ... [2024-11-09 06:50:47,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11efd569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:50:47, skipping insertion in model container [2024-11-09 06:50:47,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:47" (3/3) ... [2024-11-09 06:50:47,353 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_09-ptrmunge_rc.i [2024-11-09 06:50:47,369 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:50:47,369 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-09 06:50:47,369 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:50:47,447 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 06:50:47,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 191 flow [2024-11-09 06:50:47,522 INFO L124 PetriNetUnfolderBase]: 0/91 cut-off events. [2024-11-09 06:50:47,522 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:50:47,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-09 06:50:47,525 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 92 transitions, 191 flow [2024-11-09 06:50:47,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 86 transitions, 175 flow [2024-11-09 06:50:47,534 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:50:47,540 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=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;@42823403, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:50:47,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-09 06:50:47,551 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:50:47,551 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2024-11-09 06:50:47,551 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:50:47,551 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:47,552 INFO L204 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] [2024-11-09 06:50:47,552 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)] === [2024-11-09 06:50:47,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:47,556 INFO L85 PathProgramCache]: Analyzing trace with hash 422323157, now seen corresponding path program 1 times [2024-11-09 06:50:47,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:47,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580739607] [2024-11-09 06:50:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:47,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:48,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:48,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580739607] [2024-11-09 06:50:48,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580739607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:48,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:48,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:50:48,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201819072] [2024-11-09 06:50:48,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:48,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:50:48,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:50:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:50:48,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 92 [2024-11-09 06:50:48,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 86 transitions, 175 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2024-11-09 06:50:48,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:48,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 92 [2024-11-09 06:50:48,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:48,838 INFO L124 PetriNetUnfolderBase]: 114/469 cut-off events. [2024-11-09 06:50:48,839 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 06:50:48,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 469 events. 114/469 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2475 event pairs, 61 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 697. Up to 207 conditions per place. [2024-11-09 06:50:48,847 INFO L140 encePairwiseOnDemand]: 81/92 looper letters, 30 selfloop transitions, 22 changer transitions 0/115 dead transitions. [2024-11-09 06:50:48,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 115 transitions, 337 flow [2024-11-09 06:50:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:50:48,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:50:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 461 transitions. [2024-11-09 06:50:48,864 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351449275362319 [2024-11-09 06:50:48,867 INFO L175 Difference]: Start difference. First operand has 90 places, 86 transitions, 175 flow. Second operand 6 states and 461 transitions. [2024-11-09 06:50:48,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 115 transitions, 337 flow [2024-11-09 06:50:48,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 115 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:50:48,878 INFO L231 Difference]: Finished difference. Result has 99 places, 107 transitions, 324 flow [2024-11-09 06:50:48,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=99, PETRI_TRANSITIONS=107} [2024-11-09 06:50:48,886 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, 9 predicate places. [2024-11-09 06:50:48,886 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 107 transitions, 324 flow [2024-11-09 06:50:48,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2024-11-09 06:50:48,887 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:48,887 INFO L204 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] [2024-11-09 06:50:48,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:50:48,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:48,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:48,890 INFO L85 PathProgramCache]: Analyzing trace with hash -724085016, now seen corresponding path program 1 times [2024-11-09 06:50:48,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:48,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550564286] [2024-11-09 06:50:48,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:48,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:49,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:49,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:49,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550564286] [2024-11-09 06:50:49,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550564286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:49,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:49,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:50:49,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403135810] [2024-11-09 06:50:49,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:49,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:50:49,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:49,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:50:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:50:49,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 92 [2024-11-09 06:50:49,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 107 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2024-11-09 06:50:49,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:49,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 92 [2024-11-09 06:50:49,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:49,573 INFO L124 PetriNetUnfolderBase]: 152/586 cut-off events. [2024-11-09 06:50:49,573 INFO L125 PetriNetUnfolderBase]: For 136/155 co-relation queries the response was YES. [2024-11-09 06:50:49,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 586 events. 152/586 cut-off events. For 136/155 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3327 event pairs, 61 based on Foata normal form. 5/562 useless extension candidates. Maximal degree in co-relation 1067. Up to 264 conditions per place. [2024-11-09 06:50:49,583 INFO L140 encePairwiseOnDemand]: 81/92 looper letters, 43 selfloop transitions, 26 changer transitions 0/136 dead transitions. [2024-11-09 06:50:49,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 136 transitions, 538 flow [2024-11-09 06:50:49,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:50:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:50:49,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 461 transitions. [2024-11-09 06:50:49,591 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351449275362319 [2024-11-09 06:50:49,591 INFO L175 Difference]: Start difference. First operand has 99 places, 107 transitions, 324 flow. Second operand 6 states and 461 transitions. [2024-11-09 06:50:49,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 136 transitions, 538 flow [2024-11-09 06:50:49,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 136 transitions, 538 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:50:49,599 INFO L231 Difference]: Finished difference. Result has 109 places, 128 transitions, 508 flow [2024-11-09 06:50:49,600 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=508, PETRI_PLACES=109, PETRI_TRANSITIONS=128} [2024-11-09 06:50:49,601 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, 19 predicate places. [2024-11-09 06:50:49,601 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 128 transitions, 508 flow [2024-11-09 06:50:49,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.5) internal successors, (417), 6 states have internal predecessors, (417), 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) [2024-11-09 06:50:49,602 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:49,602 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:49,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:50:49,603 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-09 06:50:49,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:49,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1034322853, now seen corresponding path program 1 times [2024-11-09 06:50:49,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:49,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115676546] [2024-11-09 06:50:49,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:49,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:49,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:49,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115676546] [2024-11-09 06:50:49,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115676546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:49,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:49,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:50:49,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800123843] [2024-11-09 06:50:49,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:49,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:50:49,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:49,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:50:49,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:50:50,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 92 [2024-11-09 06:50:50,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 128 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 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) [2024-11-09 06:50:50,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:50,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 92 [2024-11-09 06:50:50,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:50,327 INFO L124 PetriNetUnfolderBase]: 292/941 cut-off events. [2024-11-09 06:50:50,328 INFO L125 PetriNetUnfolderBase]: For 577/597 co-relation queries the response was YES. [2024-11-09 06:50:50,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2303 conditions, 941 events. 292/941 cut-off events. For 577/597 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5754 event pairs, 101 based on Foata normal form. 7/907 useless extension candidates. Maximal degree in co-relation 2261. Up to 528 conditions per place. [2024-11-09 06:50:50,338 INFO L140 encePairwiseOnDemand]: 77/92 looper letters, 68 selfloop transitions, 53 changer transitions 4/183 dead transitions. [2024-11-09 06:50:50,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 183 transitions, 1002 flow [2024-11-09 06:50:50,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:50:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:50:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 447 transitions. [2024-11-09 06:50:50,340 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097826086956522 [2024-11-09 06:50:50,341 INFO L175 Difference]: Start difference. First operand has 109 places, 128 transitions, 508 flow. Second operand 6 states and 447 transitions. [2024-11-09 06:50:50,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 183 transitions, 1002 flow [2024-11-09 06:50:50,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 183 transitions, 1002 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 06:50:50,352 INFO L231 Difference]: Finished difference. Result has 119 places, 175 transitions, 990 flow [2024-11-09 06:50:50,353 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=990, PETRI_PLACES=119, PETRI_TRANSITIONS=175} [2024-11-09 06:50:50,354 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, 29 predicate places. [2024-11-09 06:50:50,354 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 175 transitions, 990 flow [2024-11-09 06:50:50,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 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) [2024-11-09 06:50:50,355 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:50,355 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:50,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:50:50,356 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)] === [2024-11-09 06:50:50,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1958275567, now seen corresponding path program 1 times [2024-11-09 06:50:50,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:50,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345768762] [2024-11-09 06:50:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:50,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:50:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:50:50,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:50:50,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345768762] [2024-11-09 06:50:50,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345768762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:50:50,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:50:50,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:50:50,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54024879] [2024-11-09 06:50:50,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:50:50,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:50:50,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:50:50,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:50:50,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:50:50,761 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 92 [2024-11-09 06:50:50,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 175 transitions, 990 flow. Second operand has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 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) [2024-11-09 06:50:50,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:50:50,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 92 [2024-11-09 06:50:50,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:50:51,076 INFO L124 PetriNetUnfolderBase]: 396/1206 cut-off events. [2024-11-09 06:50:51,077 INFO L125 PetriNetUnfolderBase]: For 1600/1647 co-relation queries the response was YES. [2024-11-09 06:50:51,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3578 conditions, 1206 events. 396/1206 cut-off events. For 1600/1647 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7720 event pairs, 107 based on Foata normal form. 4/1180 useless extension candidates. Maximal degree in co-relation 3531. Up to 673 conditions per place. [2024-11-09 06:50:51,085 INFO L140 encePairwiseOnDemand]: 77/92 looper letters, 105 selfloop transitions, 61 changer transitions 10/236 dead transitions. [2024-11-09 06:50:51,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 236 transitions, 1688 flow [2024-11-09 06:50:51,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:50:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 06:50:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 447 transitions. [2024-11-09 06:50:51,087 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8097826086956522 [2024-11-09 06:50:51,088 INFO L175 Difference]: Start difference. First operand has 119 places, 175 transitions, 990 flow. Second operand 6 states and 447 transitions. [2024-11-09 06:50:51,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 236 transitions, 1688 flow [2024-11-09 06:50:51,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 236 transitions, 1624 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-11-09 06:50:51,104 INFO L231 Difference]: Finished difference. Result has 129 places, 222 transitions, 1512 flow [2024-11-09 06:50:51,104 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=92, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1512, PETRI_PLACES=129, PETRI_TRANSITIONS=222} [2024-11-09 06:50:51,105 INFO L277 CegarLoopForPetriNet]: 90 programPoint places, 39 predicate places. [2024-11-09 06:50:51,105 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 222 transitions, 1512 flow [2024-11-09 06:50:51,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.5) internal successors, (387), 6 states have internal predecessors, (387), 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) [2024-11-09 06:50:51,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:50:51,105 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:50:51,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:50:51,106 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)] === [2024-11-09 06:50:51,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:50:51,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1890000416, now seen corresponding path program 1 times [2024-11-09 06:50:51,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:50:51,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722300342] [2024-11-09 06:50:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:50:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:50:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:50:51,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 06:50:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 06:50:51,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 06:50:51,178 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 06:50:51,179 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-11-09 06:50:51,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-11-09 06:50:51,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-11-09 06:50:51,184 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-11-09 06:50:51,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-11-09 06:50:51,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-11-09 06:50:51,185 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-11-09 06:50:51,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:50:51,185 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 06:50:51,259 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:50:51,260 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:50:51,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:50:51 BasicIcfg [2024-11-09 06:50:51,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:50:51,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:50:51,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:50:51,271 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:50:51,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:50:47" (3/4) ... [2024-11-09 06:50:51,272 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 06:50:51,332 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 06:50:51,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:50:51,333 INFO L158 Benchmark]: Toolchain (without parser) took 5273.73ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 98.2MB in the beginning and 158.0MB in the end (delta: -59.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:51,333 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:51,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.03ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 114.5MB in the end (delta: -16.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-11-09 06:50:51,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.60ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 111.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:50:51,335 INFO L158 Benchmark]: Boogie Preprocessor took 28.16ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 110.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:51,335 INFO L158 Benchmark]: RCFGBuilder took 525.50ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 92.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 06:50:51,335 INFO L158 Benchmark]: TraceAbstraction took 3923.09ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 91.5MB in the beginning and 166.4MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:50:51,336 INFO L158 Benchmark]: Witness Printer took 61.76ms. Allocated memory is still 216.0MB. Free memory was 166.4MB in the beginning and 158.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 06:50:51,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.03ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 114.5MB in the end (delta: -16.5MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.60ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 111.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.16ms. Allocated memory is still 167.8MB. Free memory was 111.7MB in the beginning and 110.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.50ms. Allocated memory is still 167.8MB. Free memory was 110.2MB in the beginning and 92.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3923.09ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 91.5MB in the beginning and 166.4MB in the end (delta: -74.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.76ms. Allocated memory is still 216.0MB. Free memory was 166.4MB in the beginning and 158.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 int myglobal1; VAL [myglobal1={1:0}] [L918] 0 int myglobal2; VAL [myglobal1={1:0}, myglobal2=0] [L919] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, myglobal1={1:0}, myglobal2=0] [L920] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0] [L931] 0 pthread_t id; VAL [mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0] [L932] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [id=-1, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0] [L933] CALL 0 munge(&mutex2,&myglobal1) [L927] CALL 1 munge(&mutex1, &myglobal1) [L923] EXPR 1 \read(*v) VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}] [L923] EXPR 1 *v+1 VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}] [L923] EXPR 0 \read(*v) VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 1 *v=*v+1 VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] [L923] 0 *v+1 VAL [\old(m)={2:0}, \old(m)={3:0}, \old(v)={1:0}, \old(v)={1:0}, m={2:0}, m={3:0}, mutex1={2:0}, mutex2={3:0}, myglobal1={1:0}, myglobal2=0, v={1:0}, v={1:0}] Now there is a data race (on the heap) between C: *v=*v+1 [923] and C: *v+1 [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 125 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: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 157 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 818 IncrementalHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 5 mSDtfsCounter, 818 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1512occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-09 06:50:51,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE