./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.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 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:48:50,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:48:50,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:48:51,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:48:51,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:48:51,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:48:51,027 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:48:51,028 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:48:51,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:48:51,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:48:51,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:48:51,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:48:51,030 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:48:51,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:48:51,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:48:51,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:48:51,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:48:51,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:48:51,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:48:51,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:48:51,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:48:51,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:48:51,037 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:48:51,037 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:48:51,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:48:51,037 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:48:51,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:48:51,038 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:48:51,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:48:51,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:48:51,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:48:51,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:48:51,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:48:51,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:48:51,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:48:51,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:48:51,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:48:51,040 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:48:51,040 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:48:51,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:48:51,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:48:51,041 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2024-10-13 09:48:51,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:48:51,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:48:51,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:48:51,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:48:51,317 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:48:51,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-10-13 09:48:52,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:48:52,818 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:48:52,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2024-10-13 09:48:52,835 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024c393e3/d5f3c52b213142d1b5a0f31e24466a0f/FLAGa2149cf39 [2024-10-13 09:48:52,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/024c393e3/d5f3c52b213142d1b5a0f31e24466a0f [2024-10-13 09:48:52,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:48:52,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:48:52,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:48:52,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:48:52,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:48:52,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:48:52" (1/1) ... [2024-10-13 09:48:52,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b60537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:52, skipping insertion in model container [2024-10-13 09:48:52,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:48:52" (1/1) ... [2024-10-13 09:48:52,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:48:53,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:48:53,258 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:48:53,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:48:53,344 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:48:53,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53 WrapperNode [2024-10-13 09:48:53,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:48:53,346 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:48:53,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:48:53,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:48:53,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,397 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-10-13 09:48:53,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:48:53,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:48:53,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:48:53,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:48:53,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:48:53,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:48:53,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:48:53,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:48:53,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (1/1) ... [2024-10-13 09:48:53,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:48:53,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:48:53,475 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) [2024-10-13 09:48:53,487 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 [2024-10-13 09:48:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 09:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:48:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 09:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-13 09:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-13 09:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:48:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:48:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:48:53,540 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:48:53,695 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:48:53,697 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:48:53,882 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:48:53,883 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:48:53,909 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:48:53,911 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 09:48:53,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:48:53 BoogieIcfgContainer [2024-10-13 09:48:53,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:48:53,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:48:53,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:48:53,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:48:53,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:48:52" (1/3) ... [2024-10-13 09:48:53,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84782ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:48:53, skipping insertion in model container [2024-10-13 09:48:53,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:48:53" (2/3) ... [2024-10-13 09:48:53,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84782ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:48:53, skipping insertion in model container [2024-10-13 09:48:53,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:48:53" (3/3) ... [2024-10-13 09:48:53,919 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2024-10-13 09:48:53,935 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:48:53,935 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 09:48:53,935 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:48:53,991 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-13 09:48:54,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 173 flow [2024-10-13 09:48:54,053 INFO L124 PetriNetUnfolderBase]: 0/82 cut-off events. [2024-10-13 09:48:54,054 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:48:54,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 82 events. 0/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-10-13 09:48:54,057 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 83 transitions, 173 flow [2024-10-13 09:48:54,060 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 77 transitions, 157 flow [2024-10-13 09:48:54,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:48:54,077 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;@4352fb1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:48:54,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-13 09:48:54,090 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:48:54,092 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-10-13 09:48:54,092 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:48:54,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:48:54,093 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] [2024-10-13 09:48:54,094 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)] === [2024-10-13 09:48:54,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:48:54,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1577754861, now seen corresponding path program 1 times [2024-10-13 09:48:54,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:48:54,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863005752] [2024-10-13 09:48:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:48:54,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:48:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:48:54,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:48:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:48:54,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863005752] [2024-10-13 09:48:54,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863005752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:48:54,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:48:54,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:48:54,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156431184] [2024-10-13 09:48:54,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:48:54,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:48:54,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:48:54,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:48:54,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:48:55,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 83 [2024-10-13 09:48:55,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 77 transitions, 157 flow. Second operand has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 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) [2024-10-13 09:48:55,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:48:55,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 83 [2024-10-13 09:48:55,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:48:55,192 INFO L124 PetriNetUnfolderBase]: 102/391 cut-off events. [2024-10-13 09:48:55,193 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-13 09:48:55,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 391 events. 102/391 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1855 event pairs, 49 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 591. Up to 181 conditions per place. [2024-10-13 09:48:55,200 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 28 selfloop transitions, 22 changer transitions 0/106 dead transitions. [2024-10-13 09:48:55,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 106 transitions, 315 flow [2024-10-13 09:48:55,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:48:55,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:48:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 417 transitions. [2024-10-13 09:48:55,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373493975903614 [2024-10-13 09:48:55,217 INFO L175 Difference]: Start difference. First operand has 81 places, 77 transitions, 157 flow. Second operand 6 states and 417 transitions. [2024-10-13 09:48:55,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 106 transitions, 315 flow [2024-10-13 09:48:55,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 106 transitions, 314 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 09:48:55,226 INFO L231 Difference]: Finished difference. Result has 90 places, 98 transitions, 306 flow [2024-10-13 09:48:55,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=306, PETRI_PLACES=90, PETRI_TRANSITIONS=98} [2024-10-13 09:48:55,234 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 9 predicate places. [2024-10-13 09:48:55,235 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 98 transitions, 306 flow [2024-10-13 09:48:55,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 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) [2024-10-13 09:48:55,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:48:55,236 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] [2024-10-13 09:48:55,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:48:55,236 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)] === [2024-10-13 09:48:55,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:48:55,237 INFO L85 PathProgramCache]: Analyzing trace with hash -371349243, now seen corresponding path program 1 times [2024-10-13 09:48:55,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:48:55,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635908883] [2024-10-13 09:48:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:48:55,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:48:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:48:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:48:55,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:48:55,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635908883] [2024-10-13 09:48:55,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635908883] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:48:55,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:48:55,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:48:55,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118101200] [2024-10-13 09:48:55,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:48:55,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:48:55,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:48:55,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:48:55,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:48:55,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 83 [2024-10-13 09:48:55,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 98 transitions, 306 flow. Second operand has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 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) [2024-10-13 09:48:55,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:48:55,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 83 [2024-10-13 09:48:55,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:48:55,760 INFO L124 PetriNetUnfolderBase]: 133/474 cut-off events. [2024-10-13 09:48:55,760 INFO L125 PetriNetUnfolderBase]: For 117/128 co-relation queries the response was YES. [2024-10-13 09:48:55,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 941 conditions, 474 events. 133/474 cut-off events. For 117/128 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2504 event pairs, 40 based on Foata normal form. 1/456 useless extension candidates. Maximal degree in co-relation 901. Up to 220 conditions per place. [2024-10-13 09:48:55,766 INFO L140 encePairwiseOnDemand]: 72/83 looper letters, 41 selfloop transitions, 26 changer transitions 0/127 dead transitions. [2024-10-13 09:48:55,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 127 transitions, 516 flow [2024-10-13 09:48:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:48:55,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:48:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 417 transitions. [2024-10-13 09:48:55,769 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8373493975903614 [2024-10-13 09:48:55,769 INFO L175 Difference]: Start difference. First operand has 90 places, 98 transitions, 306 flow. Second operand 6 states and 417 transitions. [2024-10-13 09:48:55,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 127 transitions, 516 flow [2024-10-13 09:48:55,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 127 transitions, 516 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:48:55,773 INFO L231 Difference]: Finished difference. Result has 100 places, 119 transitions, 490 flow [2024-10-13 09:48:55,774 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=490, PETRI_PLACES=100, PETRI_TRANSITIONS=119} [2024-10-13 09:48:55,774 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 19 predicate places. [2024-10-13 09:48:55,774 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 119 transitions, 490 flow [2024-10-13 09:48:55,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.333333333333336) internal successors, (374), 6 states have internal predecessors, (374), 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) [2024-10-13 09:48:55,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:48:55,775 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] [2024-10-13 09:48:55,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:48:55,775 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)] === [2024-10-13 09:48:55,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:48:55,776 INFO L85 PathProgramCache]: Analyzing trace with hash 701491222, now seen corresponding path program 1 times [2024-10-13 09:48:55,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:48:55,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168598075] [2024-10-13 09:48:55,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:48:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:48:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:48:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:48:55,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:48:55,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168598075] [2024-10-13 09:48:55,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168598075] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:48:55,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:48:55,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:48:55,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123432872] [2024-10-13 09:48:55,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:48:55,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:48:55,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:48:55,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:48:55,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:48:56,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 83 [2024-10-13 09:48:56,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 119 transitions, 490 flow. Second operand has 6 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 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) [2024-10-13 09:48:56,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:48:56,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 83 [2024-10-13 09:48:56,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:48:56,274 INFO L124 PetriNetUnfolderBase]: 267/822 cut-off events. [2024-10-13 09:48:56,277 INFO L125 PetriNetUnfolderBase]: For 532/548 co-relation queries the response was YES. [2024-10-13 09:48:56,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2093 conditions, 822 events. 267/822 cut-off events. For 532/548 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4755 event pairs, 81 based on Foata normal form. 2/783 useless extension candidates. Maximal degree in co-relation 2049. Up to 476 conditions per place. [2024-10-13 09:48:56,286 INFO L140 encePairwiseOnDemand]: 68/83 looper letters, 66 selfloop transitions, 53 changer transitions 4/174 dead transitions. [2024-10-13 09:48:56,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 174 transitions, 980 flow [2024-10-13 09:48:56,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:48:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:48:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 403 transitions. [2024-10-13 09:48:56,289 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8092369477911646 [2024-10-13 09:48:56,289 INFO L175 Difference]: Start difference. First operand has 100 places, 119 transitions, 490 flow. Second operand 6 states and 403 transitions. [2024-10-13 09:48:56,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 174 transitions, 980 flow [2024-10-13 09:48:56,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 174 transitions, 980 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:48:56,300 INFO L231 Difference]: Finished difference. Result has 110 places, 166 transitions, 972 flow [2024-10-13 09:48:56,301 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=972, PETRI_PLACES=110, PETRI_TRANSITIONS=166} [2024-10-13 09:48:56,301 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 29 predicate places. [2024-10-13 09:48:56,302 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 166 transitions, 972 flow [2024-10-13 09:48:56,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 57.333333333333336) internal successors, (344), 6 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) [2024-10-13 09:48:56,302 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:48:56,302 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] [2024-10-13 09:48:56,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:48:56,303 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)] === [2024-10-13 09:48:56,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:48:56,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1940723989, now seen corresponding path program 1 times [2024-10-13 09:48:56,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:48:56,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303000977] [2024-10-13 09:48:56,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:48:56,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:48:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:48:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:48:56,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:48:56,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303000977] [2024-10-13 09:48:56,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303000977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:48:56,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:48:56,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:48:56,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206107678] [2024-10-13 09:48:56,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:48:56,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:48:56,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:48:56,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:48:56,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:48:56,634 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 83 [2024-10-13 09:48:56,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 166 transitions, 972 flow. Second operand has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 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) [2024-10-13 09:48:56,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:48:56,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 83 [2024-10-13 09:48:56,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:48:56,885 INFO L124 PetriNetUnfolderBase]: 358/1038 cut-off events. [2024-10-13 09:48:56,886 INFO L125 PetriNetUnfolderBase]: For 1427/1462 co-relation queries the response was YES. [2024-10-13 09:48:56,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3240 conditions, 1038 events. 358/1038 cut-off events. For 1427/1462 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 6346 event pairs, 77 based on Foata normal form. 3/1012 useless extension candidates. Maximal degree in co-relation 3189. Up to 593 conditions per place. [2024-10-13 09:48:56,893 INFO L140 encePairwiseOnDemand]: 68/83 looper letters, 104 selfloop transitions, 61 changer transitions 10/227 dead transitions. [2024-10-13 09:48:56,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 227 transitions, 1668 flow [2024-10-13 09:48:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:48:56,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:48:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 392 transitions. [2024-10-13 09:48:56,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7871485943775101 [2024-10-13 09:48:56,895 INFO L175 Difference]: Start difference. First operand has 110 places, 166 transitions, 972 flow. Second operand 6 states and 392 transitions. [2024-10-13 09:48:56,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 227 transitions, 1668 flow [2024-10-13 09:48:56,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 227 transitions, 1604 flow, removed 32 selfloop flow, removed 0 redundant places. [2024-10-13 09:48:56,907 INFO L231 Difference]: Finished difference. Result has 120 places, 213 transitions, 1494 flow [2024-10-13 09:48:56,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1494, PETRI_PLACES=120, PETRI_TRANSITIONS=213} [2024-10-13 09:48:56,909 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, 39 predicate places. [2024-10-13 09:48:56,909 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 213 transitions, 1494 flow [2024-10-13 09:48:56,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.5) internal successors, (333), 6 states have internal predecessors, (333), 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) [2024-10-13 09:48:56,909 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:48:56,909 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] [2024-10-13 09:48:56,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 09:48:56,910 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)] === [2024-10-13 09:48:56,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:48:56,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1311437905, now seen corresponding path program 1 times [2024-10-13 09:48:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:48:56,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124368089] [2024-10-13 09:48:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:48:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:48:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:48:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:48:56,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:48:56,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124368089] [2024-10-13 09:48:56,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124368089] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:48:56,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:48:56,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 09:48:56,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871342628] [2024-10-13 09:48:56,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:48:56,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:48:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:48:56,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:48:56,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:48:56,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 83 [2024-10-13 09:48:56,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 213 transitions, 1494 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-10-13 09:48:56,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:48:56,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 83 [2024-10-13 09:48:56,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:48:56,984 INFO L124 PetriNetUnfolderBase]: 1/110 cut-off events. [2024-10-13 09:48:56,985 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-10-13 09:48:56,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 110 events. 1/110 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 1 based on Foata normal form. 2/112 useless extension candidates. Maximal degree in co-relation 225. Up to 15 conditions per place. [2024-10-13 09:48:56,985 INFO L140 encePairwiseOnDemand]: 79/83 looper letters, 0 selfloop transitions, 0 changer transitions 73/73 dead transitions. [2024-10-13 09:48:56,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 73 transitions, 296 flow [2024-10-13 09:48:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:48:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:48:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2024-10-13 09:48:56,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9477911646586346 [2024-10-13 09:48:56,986 INFO L175 Difference]: Start difference. First operand has 120 places, 213 transitions, 1494 flow. Second operand 3 states and 236 transitions. [2024-10-13 09:48:56,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 73 transitions, 296 flow [2024-10-13 09:48:56,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 73 transitions, 160 flow, removed 28 selfloop flow, removed 40 redundant places. [2024-10-13 09:48:56,988 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2024-10-13 09:48:56,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=83, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2024-10-13 09:48:56,989 INFO L277 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2024-10-13 09:48:56,989 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2024-10-13 09:48:56,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-10-13 09:48:56,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-10-13 09:48:56,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-13 09:48:56,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-10-13 09:48:56,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-13 09:48:56,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-13 09:48:56,992 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-13 09:48:56,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-13 09:48:56,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 09:48:56,993 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 09:48:56,997 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 09:48:56,997 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 09:48:57,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:48:57 BasicIcfg [2024-10-13 09:48:57,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 09:48:57,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 09:48:57,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 09:48:57,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 09:48:57,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:48:53" (3/4) ... [2024-10-13 09:48:57,004 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 09:48:57,006 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-13 09:48:57,008 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-13 09:48:57,009 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:48:57,009 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 09:48:57,080 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 09:48:57,081 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 09:48:57,081 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 09:48:57,082 INFO L158 Benchmark]: Toolchain (without parser) took 4231.50ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 126.3MB in the beginning and 70.9MB in the end (delta: 55.4MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-10-13 09:48:57,082 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 79.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:48:57,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.54ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 96.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-13 09:48:57,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.10ms. Allocated memory is still 161.5MB. Free memory was 96.1MB in the beginning and 92.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:48:57,082 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 161.5MB. Free memory was 92.9MB in the beginning and 91.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 09:48:57,083 INFO L158 Benchmark]: RCFGBuilder took 487.14ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 119.5MB in the end (delta: -27.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 09:48:57,083 INFO L158 Benchmark]: TraceAbstraction took 3087.88ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 118.5MB in the beginning and 75.1MB in the end (delta: 43.4MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-10-13 09:48:57,083 INFO L158 Benchmark]: Witness Printer took 79.34ms. Allocated memory is still 195.0MB. Free memory was 75.1MB in the beginning and 70.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 09:48:57,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory was 79.6MB in the beginning and 79.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.54ms. Allocated memory is still 161.5MB. Free memory was 125.4MB in the beginning and 96.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.10ms. Allocated memory is still 161.5MB. Free memory was 96.1MB in the beginning and 92.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 161.5MB. Free memory was 92.9MB in the beginning and 91.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 487.14ms. Allocated memory is still 161.5MB. Free memory was 91.9MB in the beginning and 119.5MB in the end (delta: -27.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3087.88ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 118.5MB in the beginning and 75.1MB in the end (delta: 43.4MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * Witness Printer took 79.34ms. Allocated memory is still 195.0MB. Free memory was 75.1MB in the beginning and 70.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 111 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: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 333 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 179 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 989 IncrementalHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 63 mSDtfsCounter, 989 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1494occurred in iteration=4, InterpolantAutomatonStates: 27, 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, 1.2s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 577 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 09:48:57,115 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 Result: TRUE