./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/ldv-races/race-1_2-join.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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:23:30,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:23:30,522 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:23:30,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:23:30,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:23:30,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:23:30,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:23:30,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:23:30,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:23:30,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:23:30,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:23:30,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:23:30,566 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:23:30,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:23:30,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:23:30,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:23:30,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:23:30,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:23:30,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:23:30,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:23:30,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:23:30,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:23:30,569 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:23:30,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:23:30,570 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:23:30,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:23:30,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:23:30,571 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:23:30,571 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:23:30,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:23:30,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:23:30,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:23:30,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:23:30,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:23:30,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:23:30,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:23:30,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:23:30,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:23:30,574 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:23:30,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:23:30,575 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:23:30,575 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2024-11-10 14:23:30,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:23:30,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:23:30,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:23:30,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:23:30,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:23:30,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_2-join.i [2024-11-10 14:23:32,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:23:32,674 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:23:32,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_2-join.i [2024-11-10 14:23:32,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bafbae87e/992e01cd65134e23b9839d185ef45922/FLAG1571420c5 [2024-11-10 14:23:32,714 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bafbae87e/992e01cd65134e23b9839d185ef45922 [2024-11-10 14:23:32,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:23:32,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:23:32,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:23:32,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:23:32,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:23:32,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:23:32" (1/1) ... [2024-11-10 14:23:32,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f05d7a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:32, skipping insertion in model container [2024-11-10 14:23:32,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:23:32" (1/1) ... [2024-11-10 14:23:32,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:23:33,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:23:33,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:23:33,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:23:33,602 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:23:33,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33 WrapperNode [2024-11-10 14:23:33,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:23:33,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:23:33,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:23:33,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:23:33,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,663 INFO L138 Inliner]: procedures = 483, calls = 31, calls flagged for inlining = 9, calls inlined = 12, statements flattened = 123 [2024-11-10 14:23:33,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:23:33,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:23:33,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:23:33,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:23:33,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,689 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:23:33,699 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:23:33,699 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:23:33,699 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:23:33,700 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (1/1) ... [2024-11-10 14:23:33,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:23:33,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:23:33,737 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) [2024-11-10 14:23:33,739 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 [2024-11-10 14:23:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:23:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:23:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:23:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:23:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:23:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:23:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:23:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:23:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:23:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:23:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:23:33,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:23:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:23:33,780 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:23:34,035 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:23:34,041 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:23:34,282 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:23:34,282 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:23:34,333 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:23:34,334 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:23:34,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:23:34 BoogieIcfgContainer [2024-11-10 14:23:34,334 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:23:34,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:23:34,337 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:23:34,340 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:23:34,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:23:32" (1/3) ... [2024-11-10 14:23:34,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f09a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:23:34, skipping insertion in model container [2024-11-10 14:23:34,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:33" (2/3) ... [2024-11-10 14:23:34,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f09a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:23:34, skipping insertion in model container [2024-11-10 14:23:34,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:23:34" (3/3) ... [2024-11-10 14:23:34,347 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2024-11-10 14:23:34,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:23:34,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2024-11-10 14:23:34,367 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:23:34,434 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:23:34,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 141 transitions, 289 flow [2024-11-10 14:23:34,524 INFO L124 PetriNetUnfolderBase]: 7/156 cut-off events. [2024-11-10 14:23:34,525 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:23:34,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 156 events. 7/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 243 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 94. Up to 3 conditions per place. [2024-11-10 14:23:34,530 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 141 transitions, 289 flow [2024-11-10 14:23:34,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 123 transitions, 252 flow [2024-11-10 14:23:34,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:23:34,549 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;@6afa4576, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:23:34,550 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-10 14:23:34,556 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:23:34,556 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-10 14:23:34,556 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:23:34,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:34,557 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] [2024-11-10 14:23:34,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-10 14:23:34,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:34,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1295811235, now seen corresponding path program 1 times [2024-11-10 14:23:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:34,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772473395] [2024-11-10 14:23:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:23:34,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:34,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772473395] [2024-11-10 14:23:34,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772473395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:34,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:34,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:34,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219899625] [2024-11-10 14:23:34,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:34,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:34,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:34,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:34,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:35,058 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-10 14:23:35,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 123 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2024-11-10 14:23:35,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:35,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-10 14:23:35,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:35,128 INFO L124 PetriNetUnfolderBase]: 9/197 cut-off events. [2024-11-10 14:23:35,128 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:23:35,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 197 events. 9/197 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 603 event pairs, 9 based on Foata normal form. 4/182 useless extension candidates. Maximal degree in co-relation 124. Up to 36 conditions per place. [2024-11-10 14:23:35,132 INFO L140 encePairwiseOnDemand]: 131/141 looper letters, 16 selfloop transitions, 2 changer transitions 6/111 dead transitions. [2024-11-10 14:23:35,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 111 transitions, 264 flow [2024-11-10 14:23:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2024-11-10 14:23:35,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2024-11-10 14:23:35,153 INFO L175 Difference]: Start difference. First operand has 122 places, 123 transitions, 252 flow. Second operand 3 states and 356 transitions. [2024-11-10 14:23:35,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 111 transitions, 264 flow [2024-11-10 14:23:35,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 111 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:23:35,163 INFO L231 Difference]: Finished difference. Result has 114 places, 105 transitions, 216 flow [2024-11-10 14:23:35,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=114, PETRI_TRANSITIONS=105} [2024-11-10 14:23:35,172 INFO L277 CegarLoopForPetriNet]: 122 programPoint places, -8 predicate places. [2024-11-10 14:23:35,172 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 105 transitions, 216 flow [2024-11-10 14:23:35,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 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) [2024-11-10 14:23:35,173 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:35,173 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] [2024-11-10 14:23:35,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:23:35,173 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-10 14:23:35,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash -346175523, now seen corresponding path program 1 times [2024-11-10 14:23:35,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:35,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720610805] [2024-11-10 14:23:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:35,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:23:35,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:35,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720610805] [2024-11-10 14:23:35,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720610805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:35,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:35,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:35,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119108610] [2024-11-10 14:23:35,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:35,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:35,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:35,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:35,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:35,415 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-10 14:23:35,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 105 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 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) [2024-11-10 14:23:35,416 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:35,416 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-10 14:23:35,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:35,479 INFO L124 PetriNetUnfolderBase]: 6/175 cut-off events. [2024-11-10 14:23:35,479 INFO L125 PetriNetUnfolderBase]: For 3/6 co-relation queries the response was YES. [2024-11-10 14:23:35,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 175 events. 6/175 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 462 event pairs, 2 based on Foata normal form. 2/164 useless extension candidates. Maximal degree in co-relation 180. Up to 17 conditions per place. [2024-11-10 14:23:35,485 INFO L140 encePairwiseOnDemand]: 130/141 looper letters, 13 selfloop transitions, 7 changer transitions 3/108 dead transitions. [2024-11-10 14:23:35,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 108 transitions, 265 flow [2024-11-10 14:23:35,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 354 transitions. [2024-11-10 14:23:35,489 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8368794326241135 [2024-11-10 14:23:35,490 INFO L175 Difference]: Start difference. First operand has 114 places, 105 transitions, 216 flow. Second operand 3 states and 354 transitions. [2024-11-10 14:23:35,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 108 transitions, 265 flow [2024-11-10 14:23:35,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 108 transitions, 261 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:23:35,495 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 233 flow [2024-11-10 14:23:35,496 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=233, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2024-11-10 14:23:35,496 INFO L277 CegarLoopForPetriNet]: 122 programPoint places, -16 predicate places. [2024-11-10 14:23:35,497 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 233 flow [2024-11-10 14:23:35,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 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) [2024-11-10 14:23:35,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:35,498 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] [2024-11-10 14:23:35,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:23:35,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-10 14:23:35,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:35,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1962239561, now seen corresponding path program 1 times [2024-11-10 14:23:35,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:35,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017112909] [2024-11-10 14:23:35,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:35,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:23:35,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017112909] [2024-11-10 14:23:35,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017112909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:35,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:35,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:35,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345452276] [2024-11-10 14:23:35,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:35,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:35,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:35,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:35,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-10 14:23:35,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2024-11-10 14:23:35,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:35,667 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-10 14:23:35,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:35,714 INFO L124 PetriNetUnfolderBase]: 10/197 cut-off events. [2024-11-10 14:23:35,715 INFO L125 PetriNetUnfolderBase]: For 17/19 co-relation queries the response was YES. [2024-11-10 14:23:35,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 197 events. 10/197 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 656 event pairs, 8 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 23. Up to 41 conditions per place. [2024-11-10 14:23:35,717 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 18 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2024-11-10 14:23:35,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 101 transitions, 271 flow [2024-11-10 14:23:35,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 348 transitions. [2024-11-10 14:23:35,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2024-11-10 14:23:35,721 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 233 flow. Second operand 3 states and 348 transitions. [2024-11-10 14:23:35,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 101 transitions, 271 flow [2024-11-10 14:23:35,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:23:35,724 INFO L231 Difference]: Finished difference. Result has 103 places, 101 transitions, 228 flow [2024-11-10 14:23:35,725 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=103, PETRI_TRANSITIONS=101} [2024-11-10 14:23:35,726 INFO L277 CegarLoopForPetriNet]: 122 programPoint places, -19 predicate places. [2024-11-10 14:23:35,727 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 101 transitions, 228 flow [2024-11-10 14:23:35,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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) [2024-11-10 14:23:35,728 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:35,728 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] [2024-11-10 14:23:35,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:23:35,729 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-10 14:23:35,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash -588993252, now seen corresponding path program 1 times [2024-11-10 14:23:35,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:35,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166242911] [2024-11-10 14:23:35,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:23:35,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:35,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166242911] [2024-11-10 14:23:35,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166242911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:35,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:35,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833007793] [2024-11-10 14:23:35,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:35,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:35,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:35,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2024-11-10 14:23:35,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 101 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2024-11-10 14:23:35,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:35,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2024-11-10 14:23:35,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:35,870 INFO L124 PetriNetUnfolderBase]: 17/213 cut-off events. [2024-11-10 14:23:35,871 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-10 14:23:35,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 213 events. 17/213 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 718 event pairs, 4 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 255. Up to 49 conditions per place. [2024-11-10 14:23:35,872 INFO L140 encePairwiseOnDemand]: 138/141 looper letters, 17 selfloop transitions, 2 changer transitions 0/103 dead transitions. [2024-11-10 14:23:35,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 103 transitions, 272 flow [2024-11-10 14:23:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2024-11-10 14:23:35,874 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.851063829787234 [2024-11-10 14:23:35,875 INFO L175 Difference]: Start difference. First operand has 103 places, 101 transitions, 228 flow. Second operand 3 states and 360 transitions. [2024-11-10 14:23:35,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 103 transitions, 272 flow [2024-11-10 14:23:35,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 103 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:23:35,879 INFO L231 Difference]: Finished difference. Result has 102 places, 100 transitions, 226 flow [2024-11-10 14:23:35,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2024-11-10 14:23:35,881 INFO L277 CegarLoopForPetriNet]: 122 programPoint places, -20 predicate places. [2024-11-10 14:23:35,881 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 100 transitions, 226 flow [2024-11-10 14:23:35,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2024-11-10 14:23:35,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:35,883 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, 1, 1] [2024-11-10 14:23:35,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:23:35,883 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-10 14:23:35,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:35,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1137257439, now seen corresponding path program 1 times [2024-11-10 14:23:35,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:35,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019923322] [2024-11-10 14:23:35,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:35,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:35,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:23:35,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:35,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019923322] [2024-11-10 14:23:35,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019923322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:35,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:35,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:35,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419063734] [2024-11-10 14:23:35,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:35,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:35,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:35,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:35,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:35,991 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 141 [2024-11-10 14:23:35,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-10 14:23:35,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:35,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 141 [2024-11-10 14:23:35,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:36,026 INFO L124 PetriNetUnfolderBase]: 14/194 cut-off events. [2024-11-10 14:23:36,027 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-10 14:23:36,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 194 events. 14/194 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 598 event pairs, 4 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 172. Up to 24 conditions per place. [2024-11-10 14:23:36,028 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 14 selfloop transitions, 1 changer transitions 16/102 dead transitions. [2024-11-10 14:23:36,028 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 102 transitions, 262 flow [2024-11-10 14:23:36,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2024-11-10 14:23:36,030 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8699763593380615 [2024-11-10 14:23:36,030 INFO L175 Difference]: Start difference. First operand has 102 places, 100 transitions, 226 flow. Second operand 3 states and 368 transitions. [2024-11-10 14:23:36,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 102 transitions, 262 flow [2024-11-10 14:23:36,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 102 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:23:36,033 INFO L231 Difference]: Finished difference. Result has 101 places, 83 transitions, 186 flow [2024-11-10 14:23:36,033 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=101, PETRI_TRANSITIONS=83} [2024-11-10 14:23:36,034 INFO L277 CegarLoopForPetriNet]: 122 programPoint places, -21 predicate places. [2024-11-10 14:23:36,034 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 83 transitions, 186 flow [2024-11-10 14:23:36,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2024-11-10 14:23:36,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:36,035 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:23:36,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:23:36,035 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 10 more)] === [2024-11-10 14:23:36,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:36,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1480056739, now seen corresponding path program 1 times [2024-11-10 14:23:36,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:36,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34046550] [2024-11-10 14:23:36,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:36,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:23:36,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:36,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34046550] [2024-11-10 14:23:36,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34046550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:36,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:36,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:36,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536486050] [2024-11-10 14:23:36,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:36,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:36,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:36,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:36,172 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2024-11-10 14:23:36,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 83 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-10 14:23:36,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:36,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2024-11-10 14:23:36,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:36,198 INFO L124 PetriNetUnfolderBase]: 10/159 cut-off events. [2024-11-10 14:23:36,199 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:23:36,199 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 159 events. 10/159 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 429 event pairs, 8 based on Foata normal form. 1/153 useless extension candidates. Maximal degree in co-relation 184. Up to 36 conditions per place. [2024-11-10 14:23:36,199 INFO L140 encePairwiseOnDemand]: 139/141 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2024-11-10 14:23:36,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 82 transitions, 214 flow [2024-11-10 14:23:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2024-11-10 14:23:36,201 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8108747044917257 [2024-11-10 14:23:36,201 INFO L175 Difference]: Start difference. First operand has 101 places, 83 transitions, 186 flow. Second operand 3 states and 343 transitions. [2024-11-10 14:23:36,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 82 transitions, 214 flow [2024-11-10 14:23:36,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 82 transitions, 213 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:23:36,203 INFO L231 Difference]: Finished difference. Result has 86 places, 0 transitions, 0 flow [2024-11-10 14:23:36,203 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=86, PETRI_TRANSITIONS=0} [2024-11-10 14:23:36,204 INFO L277 CegarLoopForPetriNet]: 122 programPoint places, -36 predicate places. [2024-11-10 14:23:36,204 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 0 transitions, 0 flow [2024-11-10 14:23:36,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 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) [2024-11-10 14:23:36,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2024-11-10 14:23:36,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2024-11-10 14:23:36,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2024-11-10 14:23:36,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2024-11-10 14:23:36,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2024-11-10 14:23:36,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2024-11-10 14:23:36,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2024-11-10 14:23:36,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2024-11-10 14:23:36,209 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining) [2024-11-10 14:23:36,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2024-11-10 14:23:36,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2024-11-10 14:23:36,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 13 remaining) [2024-11-10 14:23:36,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2024-11-10 14:23:36,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:23:36,211 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 14:23:36,216 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:23:36,217 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:23:36,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:23:36 BasicIcfg [2024-11-10 14:23:36,223 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:23:36,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:23:36,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:23:36,224 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:23:36,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:23:34" (3/4) ... [2024-11-10 14:23:36,226 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:23:36,229 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:23:36,236 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-10 14:23:36,237 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:23:36,237 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:23:36,238 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:23:36,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:23:36,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:23:36,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:23:36,349 INFO L158 Benchmark]: Toolchain (without parser) took 3631.06ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 88.0MB in the beginning and 139.3MB in the end (delta: -51.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-10 14:23:36,349 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 105.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:23:36,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.43ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 87.6MB in the beginning and 149.8MB in the end (delta: -62.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-11-10 14:23:36,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.56ms. Allocated memory is still 211.8MB. Free memory was 149.8MB in the beginning and 146.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:23:36,350 INFO L158 Benchmark]: Boogie Preprocessor took 33.72ms. Allocated memory is still 211.8MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:23:36,350 INFO L158 Benchmark]: IcfgBuilder took 635.85ms. Allocated memory is still 211.8MB. Free memory was 144.5MB in the beginning and 117.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-10 14:23:36,350 INFO L158 Benchmark]: TraceAbstraction took 1886.78ms. Allocated memory is still 211.8MB. Free memory was 116.2MB in the beginning and 144.5MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:23:36,351 INFO L158 Benchmark]: Witness Printer took 124.39ms. Allocated memory is still 211.8MB. Free memory was 144.5MB in the beginning and 139.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:23:36,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 105.8MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.43ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 87.6MB in the beginning and 149.8MB in the end (delta: -62.1MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.56ms. Allocated memory is still 211.8MB. Free memory was 149.8MB in the beginning and 146.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.72ms. Allocated memory is still 211.8MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 635.85ms. Allocated memory is still 211.8MB. Free memory was 144.5MB in the beginning and 117.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1886.78ms. Allocated memory is still 211.8MB. Free memory was 116.2MB in the beginning and 144.5MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 124.39ms. Allocated memory is still 211.8MB. Free memory was 144.5MB in the beginning and 139.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: 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, 145 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 75 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:23:36,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE