./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/pthread-ext/37_stack_lock_p0_vs_concur-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 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/pthread-ext/37_stack_lock_p0_vs_concur-race.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 d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:07:14,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:07:14,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:07:14,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:07:14,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:07:15,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:07:15,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:07:15,021 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:07:15,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:07:15,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:07:15,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:07:15,026 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:07:15,026 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:07:15,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:07:15,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:07:15,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:07:15,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:07:15,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:07:15,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:07:15,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:07:15,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:07:15,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:07:15,030 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:07:15,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:07:15,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:07:15,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:07:15,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:07:15,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:07:15,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:07:15,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:07:15,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:07:15,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:07:15,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:07:15,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:07:15,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:07:15,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:07:15,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:07:15,033 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:07:15,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:07:15,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:07:15,034 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:07:15,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d76df1bfaca9781352b9c7afbe4683f5e649e880008edad8122f422eebb0dbe8 [2024-10-24 15:07:15,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:07:15,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:07:15,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:07:15,288 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:07:15,288 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:07:15,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2024-10-24 15:07:16,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:07:16,784 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:07:16,785 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur-race.i [2024-10-24 15:07:16,796 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39dc8d4bb/17df193eea314f59965108c93c49ca9c/FLAG0f5f5a10a [2024-10-24 15:07:16,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39dc8d4bb/17df193eea314f59965108c93c49ca9c [2024-10-24 15:07:16,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:07:16,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:07:16,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:07:16,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:07:16,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:07:16,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:07:16" (1/1) ... [2024-10-24 15:07:16,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2700e1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:16, skipping insertion in model container [2024-10-24 15:07:16,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:07:16" (1/1) ... [2024-10-24 15:07:16,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:07:17,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:07:17,144 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:07:17,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:07:17,290 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:07:17,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17 WrapperNode [2024-10-24 15:07:17,293 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:07:17,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:07:17,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:07:17,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:07:17,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,383 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 137 [2024-10-24 15:07:17,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:07:17,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:07:17,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:07:17,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:07:17,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,416 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:07:17,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:07:17,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:07:17,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:07:17,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (1/1) ... [2024-10-24 15:07:17,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:07:17,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:07:17,447 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) [2024-10-24 15:07:17,450 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 [2024-10-24 15:07:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-24 15:07:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-24 15:07:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-24 15:07:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-24 15:07:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:07:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:07:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 15:07:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 15:07:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:07:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:07:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:07:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:07:17,506 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:07:17,622 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:07:17,623 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:07:17,825 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:07:17,826 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:07:17,907 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:07:17,907 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 15:07:17,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:17 BoogieIcfgContainer [2024-10-24 15:07:17,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:07:17,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:07:17,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:07:17,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:07:17,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:07:16" (1/3) ... [2024-10-24 15:07:17,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbd95a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:07:17, skipping insertion in model container [2024-10-24 15:07:17,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:17" (2/3) ... [2024-10-24 15:07:17,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cbd95a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:07:17, skipping insertion in model container [2024-10-24 15:07:17,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:17" (3/3) ... [2024-10-24 15:07:17,914 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur-race.i [2024-10-24 15:07:17,927 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:07:17,927 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-10-24 15:07:17,927 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:07:17,995 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:07:18,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 135 transitions, 274 flow [2024-10-24 15:07:18,087 INFO L124 PetriNetUnfolderBase]: 8/144 cut-off events. [2024-10-24 15:07:18,087 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:07:18,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 144 events. 8/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 140 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 114. Up to 4 conditions per place. [2024-10-24 15:07:18,097 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 135 transitions, 274 flow [2024-10-24 15:07:18,101 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 135 transitions, 274 flow [2024-10-24 15:07:18,116 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:07:18,122 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;@81c1b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:07:18,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-10-24 15:07:18,138 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:07:18,139 INFO L124 PetriNetUnfolderBase]: 3/51 cut-off events. [2024-10-24 15:07:18,139 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:07:18,139 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:18,140 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:07:18,140 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2024-10-24 15:07:18,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash 567469290, now seen corresponding path program 1 times [2024-10-24 15:07:18,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:18,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409650668] [2024-10-24 15:07:18,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:07:18,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 15:07:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:07:18,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 15:07:18,260 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 15:07:18,261 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2024-10-24 15:07:18,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2024-10-24 15:07:18,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2024-10-24 15:07:18,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2024-10-24 15:07:18,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2024-10-24 15:07:18,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2024-10-24 15:07:18,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2024-10-24 15:07:18,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2024-10-24 15:07:18,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2024-10-24 15:07:18,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2024-10-24 15:07:18,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2024-10-24 15:07:18,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2024-10-24 15:07:18,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2024-10-24 15:07:18,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2024-10-24 15:07:18,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2024-10-24 15:07:18,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2024-10-24 15:07:18,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 31 remaining) [2024-10-24 15:07:18,265 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 31 remaining) [2024-10-24 15:07:18,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 31 remaining) [2024-10-24 15:07:18,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2024-10-24 15:07:18,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2024-10-24 15:07:18,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2024-10-24 15:07:18,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2024-10-24 15:07:18,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2024-10-24 15:07:18,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2024-10-24 15:07:18,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2024-10-24 15:07:18,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2024-10-24 15:07:18,267 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2024-10-24 15:07:18,268 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2024-10-24 15:07:18,268 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2024-10-24 15:07:18,268 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2024-10-24 15:07:18,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:07:18,269 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-24 15:07:18,271 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 15:07:18,271 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-24 15:07:18,317 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:07:18,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 231 places, 239 transitions, 488 flow [2024-10-24 15:07:18,423 INFO L124 PetriNetUnfolderBase]: 15/259 cut-off events. [2024-10-24 15:07:18,423 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-24 15:07:18,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 259 events. 15/259 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 574 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 217. Up to 6 conditions per place. [2024-10-24 15:07:18,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 231 places, 239 transitions, 488 flow [2024-10-24 15:07:18,431 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 231 places, 239 transitions, 488 flow [2024-10-24 15:07:18,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:07:18,432 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;@81c1b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:07:18,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2024-10-24 15:07:18,437 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:07:18,438 INFO L124 PetriNetUnfolderBase]: 4/56 cut-off events. [2024-10-24 15:07:18,438 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:07:18,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:18,438 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] [2024-10-24 15:07:18,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-24 15:07:18,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:18,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1979936352, now seen corresponding path program 1 times [2024-10-24 15:07:18,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:18,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116642228] [2024-10-24 15:07:18,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:18,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:07:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:07:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:07:18,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116642228] [2024-10-24 15:07:18,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116642228] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:07:18,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:07:18,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 15:07:18,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860284477] [2024-10-24 15:07:18,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:07:18,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:07:18,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:07:18,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:07:18,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:07:18,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 239 [2024-10-24 15:07:18,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 239 transitions, 488 flow. Second operand has 2 states, 2 states have (on average 206.0) internal successors, (412), 2 states have internal predecessors, (412), 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) [2024-10-24 15:07:18,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:07:18,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 239 [2024-10-24 15:07:18,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:07:18,621 INFO L124 PetriNetUnfolderBase]: 22/514 cut-off events. [2024-10-24 15:07:18,621 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-24 15:07:18,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 514 events. 22/514 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1984 event pairs, 12 based on Foata normal form. 52/501 useless extension candidates. Maximal degree in co-relation 148. Up to 33 conditions per place. [2024-10-24 15:07:18,626 INFO L140 encePairwiseOnDemand]: 215/239 looper letters, 8 selfloop transitions, 0 changer transitions 0/204 dead transitions. [2024-10-24 15:07:18,626 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 204 transitions, 434 flow [2024-10-24 15:07:18,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:07:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:07:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 442 transitions. [2024-10-24 15:07:18,636 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9246861924686193 [2024-10-24 15:07:18,638 INFO L175 Difference]: Start difference. First operand has 231 places, 239 transitions, 488 flow. Second operand 2 states and 442 transitions. [2024-10-24 15:07:18,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 204 transitions, 434 flow [2024-10-24 15:07:18,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 204 transitions, 434 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:07:18,644 INFO L231 Difference]: Finished difference. Result has 206 places, 204 transitions, 418 flow [2024-10-24 15:07:18,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=418, PETRI_PLACES=206, PETRI_TRANSITIONS=204} [2024-10-24 15:07:18,650 INFO L277 CegarLoopForPetriNet]: 231 programPoint places, -25 predicate places. [2024-10-24 15:07:18,650 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 204 transitions, 418 flow [2024-10-24 15:07:18,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.0) internal successors, (412), 2 states have internal predecessors, (412), 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) [2024-10-24 15:07:18,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:18,650 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:07:18,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:07:18,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2024-10-24 15:07:18,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:18,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1330363845, now seen corresponding path program 1 times [2024-10-24 15:07:18,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:18,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460375543] [2024-10-24 15:07:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:18,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:07:18,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 15:07:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:07:18,703 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 15:07:18,704 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 15:07:18,704 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 46 remaining) [2024-10-24 15:07:18,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2024-10-24 15:07:18,704 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2024-10-24 15:07:18,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2024-10-24 15:07:18,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2024-10-24 15:07:18,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2024-10-24 15:07:18,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2024-10-24 15:07:18,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2024-10-24 15:07:18,705 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2024-10-24 15:07:18,706 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2024-10-24 15:07:18,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2024-10-24 15:07:18,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2024-10-24 15:07:18,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2024-10-24 15:07:18,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2024-10-24 15:07:18,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2024-10-24 15:07:18,707 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2024-10-24 15:07:18,708 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2024-10-24 15:07:18,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2024-10-24 15:07:18,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2024-10-24 15:07:18,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2024-10-24 15:07:18,709 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2024-10-24 15:07:18,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2024-10-24 15:07:18,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2024-10-24 15:07:18,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2024-10-24 15:07:18,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2024-10-24 15:07:18,710 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2024-10-24 15:07:18,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2024-10-24 15:07:18,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2024-10-24 15:07:18,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2024-10-24 15:07:18,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2024-10-24 15:07:18,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2024-10-24 15:07:18,713 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2024-10-24 15:07:18,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2024-10-24 15:07:18,714 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2024-10-24 15:07:18,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:07:18,714 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 15:07:18,715 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 15:07:18,715 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-24 15:07:18,775 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:07:18,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 331 places, 343 transitions, 704 flow [2024-10-24 15:07:18,876 INFO L124 PetriNetUnfolderBase]: 22/374 cut-off events. [2024-10-24 15:07:18,876 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-10-24 15:07:18,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 374 events. 22/374 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1210 event pairs, 0 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 320. Up to 8 conditions per place. [2024-10-24 15:07:18,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 331 places, 343 transitions, 704 flow [2024-10-24 15:07:18,886 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 331 places, 343 transitions, 704 flow [2024-10-24 15:07:18,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:07:18,888 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;@81c1b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:07:18,888 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-10-24 15:07:18,893 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:07:18,894 INFO L124 PetriNetUnfolderBase]: 5/60 cut-off events. [2024-10-24 15:07:18,894 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:07:18,894 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:18,895 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] [2024-10-24 15:07:18,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-24 15:07:18,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:18,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1382202064, now seen corresponding path program 1 times [2024-10-24 15:07:18,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:18,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168372762] [2024-10-24 15:07:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:18,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:07:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:07:18,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:07:18,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168372762] [2024-10-24 15:07:18,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168372762] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:07:18,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:07:18,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 15:07:18,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684422106] [2024-10-24 15:07:18,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:07:18,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:07:18,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:07:18,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:07:18,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:07:18,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 343 [2024-10-24 15:07:18,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 343 transitions, 704 flow. Second operand has 2 states, 2 states have (on average 294.0) internal successors, (588), 2 states have internal predecessors, (588), 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) [2024-10-24 15:07:18,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:07:18,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 343 [2024-10-24 15:07:18,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:07:19,393 INFO L124 PetriNetUnfolderBase]: 150/2142 cut-off events. [2024-10-24 15:07:19,393 INFO L125 PetriNetUnfolderBase]: For 157/157 co-relation queries the response was YES. [2024-10-24 15:07:19,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2417 conditions, 2142 events. 150/2142 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 15928 event pairs, 108 based on Foata normal form. 284/2145 useless extension candidates. Maximal degree in co-relation 556. Up to 193 conditions per place. [2024-10-24 15:07:19,409 INFO L140 encePairwiseOnDemand]: 308/343 looper letters, 12 selfloop transitions, 0 changer transitions 0/293 dead transitions. [2024-10-24 15:07:19,410 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 293 transitions, 628 flow [2024-10-24 15:07:19,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:07:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:07:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 633 transitions. [2024-10-24 15:07:19,415 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.922740524781341 [2024-10-24 15:07:19,415 INFO L175 Difference]: Start difference. First operand has 331 places, 343 transitions, 704 flow. Second operand 2 states and 633 transitions. [2024-10-24 15:07:19,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 293 transitions, 628 flow [2024-10-24 15:07:19,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 293 transitions, 626 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-10-24 15:07:19,423 INFO L231 Difference]: Finished difference. Result has 295 places, 293 transitions, 602 flow [2024-10-24 15:07:19,424 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=602, PETRI_PLACES=295, PETRI_TRANSITIONS=293} [2024-10-24 15:07:19,424 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, -36 predicate places. [2024-10-24 15:07:19,424 INFO L471 AbstractCegarLoop]: Abstraction has has 295 places, 293 transitions, 602 flow [2024-10-24 15:07:19,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 294.0) internal successors, (588), 2 states have internal predecessors, (588), 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) [2024-10-24 15:07:19,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:19,425 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] [2024-10-24 15:07:19,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:07:19,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-24 15:07:19,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash 177388665, now seen corresponding path program 1 times [2024-10-24 15:07:19,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:19,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663848213] [2024-10-24 15:07:19,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:19,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:07:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:07:19,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:07:19,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663848213] [2024-10-24 15:07:19,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663848213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:07:19,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:07:19,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:07:19,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217464777] [2024-10-24 15:07:19,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:07:19,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:07:19,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:07:19,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:07:19,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:07:20,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 343 [2024-10-24 15:07:20,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 293 transitions, 602 flow. Second operand has 6 states, 6 states have (on average 266.5) internal successors, (1599), 6 states have internal predecessors, (1599), 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) [2024-10-24 15:07:20,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:07:20,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 343 [2024-10-24 15:07:20,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:07:22,848 INFO L124 PetriNetUnfolderBase]: 2593/18344 cut-off events. [2024-10-24 15:07:22,849 INFO L125 PetriNetUnfolderBase]: For 784/784 co-relation queries the response was YES. [2024-10-24 15:07:22,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22732 conditions, 18344 events. 2593/18344 cut-off events. For 784/784 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 236279 event pairs, 424 based on Foata normal form. 0/15979 useless extension candidates. Maximal degree in co-relation 22726. Up to 2201 conditions per place. [2024-10-24 15:07:23,003 INFO L140 encePairwiseOnDemand]: 316/343 looper letters, 74 selfloop transitions, 29 changer transitions 0/356 dead transitions. [2024-10-24 15:07:23,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 356 transitions, 974 flow [2024-10-24 15:07:23,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:07:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:07:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1697 transitions. [2024-10-24 15:07:23,007 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8245869776482021 [2024-10-24 15:07:23,007 INFO L175 Difference]: Start difference. First operand has 295 places, 293 transitions, 602 flow. Second operand 6 states and 1697 transitions. [2024-10-24 15:07:23,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 356 transitions, 974 flow [2024-10-24 15:07:23,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 356 transitions, 974 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:07:23,015 INFO L231 Difference]: Finished difference. Result has 305 places, 321 transitions, 826 flow [2024-10-24 15:07:23,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=602, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=826, PETRI_PLACES=305, PETRI_TRANSITIONS=321} [2024-10-24 15:07:23,016 INFO L277 CegarLoopForPetriNet]: 331 programPoint places, -26 predicate places. [2024-10-24 15:07:23,016 INFO L471 AbstractCegarLoop]: Abstraction has has 305 places, 321 transitions, 826 flow [2024-10-24 15:07:23,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 266.5) internal successors, (1599), 6 states have internal predecessors, (1599), 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) [2024-10-24 15:07:23,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:23,017 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:07:23,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:07:23,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-10-24 15:07:23,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1615887985, now seen corresponding path program 1 times [2024-10-24 15:07:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:23,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312167393] [2024-10-24 15:07:23,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:23,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:07:23,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 15:07:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 15:07:23,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 15:07:23,039 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 15:07:23,039 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2024-10-24 15:07:23,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-10-24 15:07:23,039 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-10-24 15:07:23,040 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-10-24 15:07:23,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-10-24 15:07:23,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-10-24 15:07:23,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-10-24 15:07:23,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-10-24 15:07:23,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-10-24 15:07:23,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-10-24 15:07:23,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-10-24 15:07:23,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:07:23,047 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 15:07:23,048 WARN L239 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-24 15:07:23,048 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-10-24 15:07:23,112 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-24 15:07:23,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 431 places, 447 transitions, 922 flow [2024-10-24 15:07:23,319 INFO L124 PetriNetUnfolderBase]: 29/489 cut-off events. [2024-10-24 15:07:23,320 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-24 15:07:23,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 489 events. 29/489 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1863 event pairs, 0 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 423. Up to 10 conditions per place. [2024-10-24 15:07:23,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 431 places, 447 transitions, 922 flow [2024-10-24 15:07:23,333 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 431 places, 447 transitions, 922 flow [2024-10-24 15:07:23,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:07:23,337 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;@81c1b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:07:23,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2024-10-24 15:07:23,344 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:07:23,345 INFO L124 PetriNetUnfolderBase]: 4/56 cut-off events. [2024-10-24 15:07:23,345 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:07:23,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:23,345 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] [2024-10-24 15:07:23,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:07:23,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:23,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1005004465, now seen corresponding path program 1 times [2024-10-24 15:07:23,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:23,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551825080] [2024-10-24 15:07:23,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:23,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:07:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:07:23,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:07:23,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551825080] [2024-10-24 15:07:23,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551825080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:07:23,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:07:23,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 15:07:23,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116778198] [2024-10-24 15:07:23,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:07:23,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 15:07:23,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:07:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 15:07:23,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 15:07:23,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 447 [2024-10-24 15:07:23,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 431 places, 447 transitions, 922 flow. Second operand has 2 states, 2 states have (on average 382.0) internal successors, (764), 2 states have internal predecessors, (764), 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) [2024-10-24 15:07:23,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:07:23,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 447 [2024-10-24 15:07:23,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:07:24,926 INFO L124 PetriNetUnfolderBase]: 854/8846 cut-off events. [2024-10-24 15:07:24,926 INFO L125 PetriNetUnfolderBase]: For 1133/1133 co-relation queries the response was YES. [2024-10-24 15:07:25,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10274 conditions, 8846 events. 854/8846 cut-off events. For 1133/1133 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 95125 event pairs, 684 based on Foata normal form. 1466/9166 useless extension candidates. Maximal degree in co-relation 2416. Up to 1025 conditions per place. [2024-10-24 15:07:25,160 INFO L140 encePairwiseOnDemand]: 401/447 looper letters, 16 selfloop transitions, 0 changer transitions 0/382 dead transitions. [2024-10-24 15:07:25,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 382 transitions, 824 flow [2024-10-24 15:07:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 15:07:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-24 15:07:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 824 transitions. [2024-10-24 15:07:25,170 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9217002237136466 [2024-10-24 15:07:25,170 INFO L175 Difference]: Start difference. First operand has 431 places, 447 transitions, 922 flow. Second operand 2 states and 824 transitions. [2024-10-24 15:07:25,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 382 transitions, 824 flow [2024-10-24 15:07:25,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 382 transitions, 818 flow, removed 3 selfloop flow, removed 0 redundant places. [2024-10-24 15:07:25,180 INFO L231 Difference]: Finished difference. Result has 384 places, 382 transitions, 786 flow [2024-10-24 15:07:25,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=382, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=786, PETRI_PLACES=384, PETRI_TRANSITIONS=382} [2024-10-24 15:07:25,185 INFO L277 CegarLoopForPetriNet]: 431 programPoint places, -47 predicate places. [2024-10-24 15:07:25,185 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 382 transitions, 786 flow [2024-10-24 15:07:25,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 382.0) internal successors, (764), 2 states have internal predecessors, (764), 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) [2024-10-24 15:07:25,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:25,185 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] [2024-10-24 15:07:25,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 15:07:25,186 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:07:25,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:25,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1690483608, now seen corresponding path program 1 times [2024-10-24 15:07:25,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:25,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997001198] [2024-10-24 15:07:25,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:07:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:07:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:07:25,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997001198] [2024-10-24 15:07:25,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997001198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:07:25,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:07:25,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:07:25,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641303189] [2024-10-24 15:07:25,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:07:25,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:07:25,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:07:25,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:07:25,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:07:26,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 447 [2024-10-24 15:07:26,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 382 transitions, 786 flow. Second operand has 6 states, 6 states have (on average 354.5) internal successors, (2127), 6 states have internal predecessors, (2127), 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) [2024-10-24 15:07:26,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:07:26,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 447 [2024-10-24 15:07:26,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:07:43,135 INFO L124 PetriNetUnfolderBase]: 15762/86399 cut-off events. [2024-10-24 15:07:43,136 INFO L125 PetriNetUnfolderBase]: For 4105/4105 co-relation queries the response was YES. [2024-10-24 15:07:43,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110355 conditions, 86399 events. 15762/86399 cut-off events. For 4105/4105 co-relation queries the response was YES. Maximal size of possible extension queue 1640. Compared 1350001 event pairs, 3187 based on Foata normal form. 0/75813 useless extension candidates. Maximal degree in co-relation 110348. Up to 12970 conditions per place. [2024-10-24 15:07:44,490 INFO L140 encePairwiseOnDemand]: 419/447 looper letters, 90 selfloop transitions, 33 changer transitions 0/461 dead transitions. [2024-10-24 15:07:44,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 461 transitions, 1250 flow [2024-10-24 15:07:44,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 15:07:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-24 15:07:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2245 transitions. [2024-10-24 15:07:44,498 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837061894108874 [2024-10-24 15:07:44,499 INFO L175 Difference]: Start difference. First operand has 384 places, 382 transitions, 786 flow. Second operand 6 states and 2245 transitions. [2024-10-24 15:07:44,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 461 transitions, 1250 flow [2024-10-24 15:07:44,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 389 places, 461 transitions, 1250 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-24 15:07:44,513 INFO L231 Difference]: Finished difference. Result has 394 places, 414 transitions, 1036 flow [2024-10-24 15:07:44,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=447, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1036, PETRI_PLACES=394, PETRI_TRANSITIONS=414} [2024-10-24 15:07:44,514 INFO L277 CegarLoopForPetriNet]: 431 programPoint places, -37 predicate places. [2024-10-24 15:07:44,514 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 414 transitions, 1036 flow [2024-10-24 15:07:44,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 354.5) internal successors, (2127), 6 states have internal predecessors, (2127), 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) [2024-10-24 15:07:44,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:07:44,515 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:07:44,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 15:07:44,515 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2024-10-24 15:07:44,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:07:44,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1536121475, now seen corresponding path program 1 times [2024-10-24 15:07:44,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:07:44,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488232799] [2024-10-24 15:07:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:07:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:07:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:07:44,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 15:07:44,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:07:44,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488232799] [2024-10-24 15:07:44,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488232799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:07:44,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:07:44,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 15:07:44,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573124968] [2024-10-24 15:07:44,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:07:44,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 15:07:44,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:07:44,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 15:07:44,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-24 15:07:45,202 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 353 out of 447 [2024-10-24 15:07:45,205 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 414 transitions, 1036 flow. Second operand has 6 states, 6 states have (on average 354.6666666666667) internal successors, (2128), 6 states have internal predecessors, (2128), 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) [2024-10-24 15:07:45,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:07:45,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 353 of 447 [2024-10-24 15:07:45,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:07:58,248 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1544] L699-3-->L700-2: Formula: (let ((.cse6 (+ 2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse7 (+ 3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse9 (select |v_#race_165| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse5 (+ |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 1))) (let ((.cse1 (select .cse9 .cse5)) (.cse4 (select |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse0 (select .cse9 .cse7)) (.cse2 (select .cse9 .cse6)) (.cse3 (select .cse9 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse8 (select |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|))) (or (and (= v_~next_alloc_idx~0_99 (+ 2 v_~next_alloc_idx~0_100)) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_107| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse1) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110| |v_#race~next_alloc_idx~0_113|) (<= v_~next_alloc_idx~0_100 64) (= .cse2 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse3) (= |v_#race_165| (store |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse4 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse7 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|))) (= (store |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse8 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| v_~next_alloc_idx~0_100)) |v_#memory_int_117|)) (and (= 0 |v_#race~next_alloc_idx~0_113|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse1) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_130|) (= (store |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse4 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse7 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|)) |v_#race_165|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse2) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse3) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_109| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110|) (< 64 v_~next_alloc_idx~0_100) (= v_~next_alloc_idx~0_99 v_~next_alloc_idx~0_100) (= |v_#memory_int_117| (store |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse8 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 0))))))) InVars {#race=|v_#race_166|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, #memory_int=|v_#memory_int_118|, ~next_alloc_idx~0=v_~next_alloc_idx~0_100, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|} OutVars{#race=|v_#race_165|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_13|, ~next_alloc_idx~0=v_~next_alloc_idx~0_99, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1_13|, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|, #memory_int=|v_#memory_int_117|, #race~next_alloc_idx~0=|v_#race~next_alloc_idx~0_113|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base_13|} AuxVars[|v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_107|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_130|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_109|] AssignedVars[#race, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset, ~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset, #memory_int, #race~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base][154], [436#true, 428#true, 292#L700-2true, 447#true, 426#true, 434#true, 364#L719-6true, 365#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 432#true, Black: 440#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 22#L698-1true, 430#true, 238#L700-2true, Black: 438#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0), Black: 439#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)), Black: 441#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 3)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0))]) [2024-10-24 15:07:58,248 INFO L294 olderBase$Statistics]: this new event has 132 ancestors and is cut-off event [2024-10-24 15:07:58,248 INFO L297 olderBase$Statistics]: existing Event has 132 ancestors and is cut-off event [2024-10-24 15:07:58,249 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-10-24 15:07:58,249 INFO L297 olderBase$Statistics]: existing Event has 103 ancestors and is cut-off event [2024-10-24 15:08:03,187 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1544] L699-3-->L700-2: Formula: (let ((.cse6 (+ 2 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse7 (+ 3 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse9 (select |v_#race_165| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse5 (+ |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 1))) (let ((.cse1 (select .cse9 .cse5)) (.cse4 (select |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|)) (.cse0 (select .cse9 .cse7)) (.cse2 (select .cse9 .cse6)) (.cse3 (select .cse9 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|)) (.cse8 (select |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|))) (or (and (= v_~next_alloc_idx~0_99 (+ 2 v_~next_alloc_idx~0_100)) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_107| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse1) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110| |v_#race~next_alloc_idx~0_113|) (<= v_~next_alloc_idx~0_100 64) (= .cse2 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| .cse3) (= |v_#race_165| (store |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse4 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|) .cse7 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|))) (= (store |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse8 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| v_~next_alloc_idx~0_100)) |v_#memory_int_117|)) (and (= 0 |v_#race~next_alloc_idx~0_113|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse1) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_130|) (= (store |v_#race_166| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store (store (store (store .cse4 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse5 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse6 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|) .cse7 |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|)) |v_#race_165|) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse0) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse2) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106| .cse3) (= |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_109| |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110|) (< 64 v_~next_alloc_idx~0_100) (= v_~next_alloc_idx~0_99 v_~next_alloc_idx~0_100) (= |v_#memory_int_117| (store |v_#memory_int_118| |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11| (store .cse8 |v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11| 0))))))) InVars {#race=|v_#race_166|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, #memory_int=|v_#memory_int_118|, ~next_alloc_idx~0=v_~next_alloc_idx~0_100, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|} OutVars{#race=|v_#race_165|, thr1Thread4of4ForFork0_push_~#newTop~0#1.offset=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.offset_11|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset_13|, ~next_alloc_idx~0=v_~next_alloc_idx~0_99, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base_13|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1_13|, thr1Thread4of4ForFork0_push_~#newTop~0#1.base=|v_thr1Thread4of4ForFork0_push_~#newTop~0#1.base_11|, #memory_int=|v_#memory_int_117|, #race~next_alloc_idx~0=|v_#race~next_alloc_idx~0_113|, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base=|v_thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base_13|} AuxVars[|v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_110|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_106|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet1#1_107|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_130|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet2#1_131|, |v_thr1___VERIFIER_atomic_index_malloc_#t~nondet3#1_109|] AssignedVars[#race, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.base, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet2#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet3#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#t~nondet1#1, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.offset, ~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_#in~curr_alloc_idx#1.offset, #memory_int, #race~next_alloc_idx~0, thr1Thread4of4ForFork0___VERIFIER_atomic_index_malloc_~curr_alloc_idx#1.base][266], [436#true, 428#true, 292#L700-2true, 447#true, 426#true, 434#true, 364#L719-6true, 365#thr1Err6ASSERT_VIOLATIONDATA_RACEtrue, 432#true, 430#true, Black: 440#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0)), 238#L700-2true, Black: 438#(= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0), Black: 439#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0)), 89#L704-6true, Black: 441#(and (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 1)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 3)) 0) (= (select (select |#race| |thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) (+ |thr1Thread1of4ForFork0_push_~#newTop~0#1.offset| 2)) 0))]) [2024-10-24 15:08:03,187 INFO L294 olderBase$Statistics]: this new event has 130 ancestors and is cut-off event [2024-10-24 15:08:03,189 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2024-10-24 15:08:03,189 INFO L297 olderBase$Statistics]: existing Event has 130 ancestors and is cut-off event [2024-10-24 15:08:03,189 INFO L297 olderBase$Statistics]: existing Event has 101 ancestors and is cut-off event