./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-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:46:26,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:46:26,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:46:26,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:46:26,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:46:26,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:46:26,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:46:26,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:46:26,786 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:46:26,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:46:26,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:46:26,787 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:46:26,787 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:46:26,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:46:26,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:46:26,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:46:26,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:46:26,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:46:26,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:46:26,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:46:26,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:46:26,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:46:26,791 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:46:26,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:46:26,791 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:46:26,792 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:46:26,792 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:46:26,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:46:26,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:46:26,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:46:26,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:46:26,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:46:26,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:46:26,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:46:26,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:46:26,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:46:26,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:46:26,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:46:26,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:46:26,796 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:46:26,796 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:46:26,796 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2024-10-11 16:46:26,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:46:27,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:46:27,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:46:27,019 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:46:27,020 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:46:27,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-10-11 16:46:28,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:46:28,598 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:46:28,598 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-10-11 16:46:28,618 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/37986e637/1cc0c5864fc64f8dad352974fa634b77/FLAG8dd5b55cd [2024-10-11 16:46:28,632 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/37986e637/1cc0c5864fc64f8dad352974fa634b77 [2024-10-11 16:46:28,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:46:28,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:46:28,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:46:28,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:46:28,643 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:46:28,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:46:28" (1/1) ... [2024-10-11 16:46:28,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2775c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:28, skipping insertion in model container [2024-10-11 16:46:28,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:46:28" (1/1) ... [2024-10-11 16:46:28,683 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:46:29,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:46:29,025 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:46:29,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:46:29,106 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:46:29,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29 WrapperNode [2024-10-11 16:46:29,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:46:29,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:46:29,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:46:29,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:46:29,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,149 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2024-10-11 16:46:29,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:46:29,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:46:29,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:46:29,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:46:29,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,177 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:46:29,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:46:29,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:46:29,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:46:29,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (1/1) ... [2024-10-11 16:46:29,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:46:29,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:46:29,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 16:46:29,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 16:46:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-10-11 16:46:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-10-11 16:46:29,250 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-10-11 16:46:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-10-11 16:46:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 16:46:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:46:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:46:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 16:46:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:46:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:46:29,252 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 16:46:29,369 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:46:29,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:46:29,539 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:46:29,539 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:46:29,571 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:46:29,571 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 16:46:29,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:29 BoogieIcfgContainer [2024-10-11 16:46:29,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:46:29,576 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:46:29,576 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:46:29,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:46:29,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:46:28" (1/3) ... [2024-10-11 16:46:29,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b106d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:46:29, skipping insertion in model container [2024-10-11 16:46:29,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:46:29" (2/3) ... [2024-10-11 16:46:29,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b106d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:46:29, skipping insertion in model container [2024-10-11 16:46:29,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:29" (3/3) ... [2024-10-11 16:46:29,582 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-10-11 16:46:29,596 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:46:29,597 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-11 16:46:29,597 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:46:29,650 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-11 16:46:29,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 137 transitions, 288 flow [2024-10-11 16:46:29,729 INFO L124 PetriNetUnfolderBase]: 7/135 cut-off events. [2024-10-11 16:46:29,729 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-11 16:46:29,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 135 events. 7/135 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 221 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 99. Up to 3 conditions per place. [2024-10-11 16:46:29,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 137 transitions, 288 flow [2024-10-11 16:46:29,739 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 130 transitions, 269 flow [2024-10-11 16:46:29,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:46:29,753 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;@446ca66c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:46:29,753 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-10-11 16:46:29,762 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:46:29,762 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-11 16:46:29,762 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:46:29,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:29,763 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] [2024-10-11 16:46:29,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:29,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:29,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2134265730, now seen corresponding path program 1 times [2024-10-11 16:46:29,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:29,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804364045] [2024-10-11 16:46:29,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:29,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:29,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804364045] [2024-10-11 16:46:29,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804364045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:29,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:29,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:29,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906981285] [2024-10-11 16:46:29,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:30,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:30,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:30,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:30,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:30,115 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-10-11 16:46:30,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 130 transitions, 269 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-10-11 16:46:30,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:30,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-10-11 16:46:30,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:30,195 INFO L124 PetriNetUnfolderBase]: 29/337 cut-off events. [2024-10-11 16:46:30,196 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-10-11 16:46:30,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 337 events. 29/337 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1506 event pairs, 20 based on Foata normal form. 30/320 useless extension candidates. Maximal degree in co-relation 359. Up to 53 conditions per place. [2024-10-11 16:46:30,199 INFO L140 encePairwiseOnDemand]: 128/137 looper letters, 17 selfloop transitions, 2 changer transitions 1/124 dead transitions. [2024-10-11 16:46:30,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 124 transitions, 301 flow [2024-10-11 16:46:30,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2024-10-11 16:46:30,211 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8978102189781022 [2024-10-11 16:46:30,213 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 269 flow. Second operand 3 states and 369 transitions. [2024-10-11 16:46:30,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 124 transitions, 301 flow [2024-10-11 16:46:30,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 293 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:46:30,219 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 244 flow [2024-10-11 16:46:30,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-10-11 16:46:30,224 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-10-11 16:46:30,224 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 244 flow [2024-10-11 16:46:30,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-10-11 16:46:30,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:30,225 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] [2024-10-11 16:46:30,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:46:30,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:30,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:30,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1965011323, now seen corresponding path program 1 times [2024-10-11 16:46:30,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:30,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471667702] [2024-10-11 16:46:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:30,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:30,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:30,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471667702] [2024-10-11 16:46:30,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471667702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:30,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:30,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:30,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474298408] [2024-10-11 16:46:30,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:30,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:30,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:30,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:30,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:30,284 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-10-11 16:46:30,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-10-11 16:46:30,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:30,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-10-11 16:46:30,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:30,361 INFO L124 PetriNetUnfolderBase]: 53/556 cut-off events. [2024-10-11 16:46:30,362 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-10-11 16:46:30,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 556 events. 53/556 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3182 event pairs, 24 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 550. Up to 75 conditions per place. [2024-10-11 16:46:30,366 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 19 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2024-10-11 16:46:30,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 125 transitions, 307 flow [2024-10-11 16:46:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:30,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-10-11 16:46:30,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8856447688564477 [2024-10-11 16:46:30,370 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 244 flow. Second operand 3 states and 364 transitions. [2024-10-11 16:46:30,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 125 transitions, 307 flow [2024-10-11 16:46:30,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 125 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:30,373 INFO L231 Difference]: Finished difference. Result has 123 places, 119 transitions, 264 flow [2024-10-11 16:46:30,374 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=123, PETRI_TRANSITIONS=119} [2024-10-11 16:46:30,374 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-10-11 16:46:30,374 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 119 transitions, 264 flow [2024-10-11 16:46:30,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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) [2024-10-11 16:46:30,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:30,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:30,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:46:30,376 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:30,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:30,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1745680844, now seen corresponding path program 1 times [2024-10-11 16:46:30,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:30,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174727864] [2024-10-11 16:46:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:30,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:30,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:30,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:30,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174727864] [2024-10-11 16:46:30,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174727864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:30,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:30,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 16:46:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734063960] [2024-10-11 16:46:30,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:30,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:30,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:30,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:30,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:30,470 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 137 [2024-10-11 16:46:30,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 119 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-10-11 16:46:30,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:30,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 137 [2024-10-11 16:46:30,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:30,530 INFO L124 PetriNetUnfolderBase]: 27/364 cut-off events. [2024-10-11 16:46:30,530 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-10-11 16:46:30,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 474 conditions, 364 events. 27/364 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1626 event pairs, 13 based on Foata normal form. 0/318 useless extension candidates. Maximal degree in co-relation 343. Up to 38 conditions per place. [2024-10-11 16:46:30,532 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 13 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-10-11 16:46:30,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 300 flow [2024-10-11 16:46:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-10-11 16:46:30,535 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8856447688564477 [2024-10-11 16:46:30,536 INFO L175 Difference]: Start difference. First operand has 123 places, 119 transitions, 264 flow. Second operand 3 states and 364 transitions. [2024-10-11 16:46:30,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 300 flow [2024-10-11 16:46:30,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 121 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:30,539 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 258 flow [2024-10-11 16:46:30,540 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=123, PETRI_TRANSITIONS=118} [2024-10-11 16:46:30,541 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-10-11 16:46:30,542 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 258 flow [2024-10-11 16:46:30,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2024-10-11 16:46:30,542 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:30,543 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:30,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 16:46:30,543 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:30,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:30,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1644969517, now seen corresponding path program 1 times [2024-10-11 16:46:30,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:30,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975222620] [2024-10-11 16:46:30,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:30,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:30,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:30,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975222620] [2024-10-11 16:46:30,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975222620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:30,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:30,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:30,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916718226] [2024-10-11 16:46:30,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:30,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:30,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:30,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:30,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-10-11 16:46:30,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 118 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:46:30,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:30,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-10-11 16:46:30,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:30,796 INFO L124 PetriNetUnfolderBase]: 55/506 cut-off events. [2024-10-11 16:46:30,797 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-10-11 16:46:30,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 506 events. 55/506 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2588 event pairs, 31 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 543. Up to 97 conditions per place. [2024-10-11 16:46:30,799 INFO L140 encePairwiseOnDemand]: 132/137 looper letters, 19 selfloop transitions, 4 changer transitions 0/124 dead transitions. [2024-10-11 16:46:30,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 320 flow [2024-10-11 16:46:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2024-10-11 16:46:30,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8807785888077859 [2024-10-11 16:46:30,801 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 258 flow. Second operand 3 states and 362 transitions. [2024-10-11 16:46:30,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 320 flow [2024-10-11 16:46:30,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:30,805 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 286 flow [2024-10-11 16:46:30,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=125, PETRI_TRANSITIONS=121} [2024-10-11 16:46:30,807 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -5 predicate places. [2024-10-11 16:46:30,807 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 286 flow [2024-10-11 16:46:30,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:46:30,808 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:30,808 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:30,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 16:46:30,808 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:30,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:30,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1775715117, now seen corresponding path program 1 times [2024-10-11 16:46:30,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:30,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229702385] [2024-10-11 16:46:30,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:30,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:30,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229702385] [2024-10-11 16:46:30,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229702385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:30,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:30,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:30,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395903335] [2024-10-11 16:46:30,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:30,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:30,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:30,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:30,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:30,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-10-11 16:46:30,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 121 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-10-11 16:46:30,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:30,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-10-11 16:46:30,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:30,961 INFO L124 PetriNetUnfolderBase]: 138/781 cut-off events. [2024-10-11 16:46:30,961 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-10-11 16:46:30,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 781 events. 138/781 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4835 event pairs, 65 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 1022. Up to 231 conditions per place. [2024-10-11 16:46:30,965 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 21 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2024-10-11 16:46:30,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 130 transitions, 357 flow [2024-10-11 16:46:30,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-10-11 16:46:30,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2024-10-11 16:46:30,966 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 286 flow. Second operand 3 states and 363 transitions. [2024-10-11 16:46:30,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 130 transitions, 357 flow [2024-10-11 16:46:30,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 130 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:30,969 INFO L231 Difference]: Finished difference. Result has 127 places, 125 transitions, 316 flow [2024-10-11 16:46:30,969 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=127, PETRI_TRANSITIONS=125} [2024-10-11 16:46:30,970 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-10-11 16:46:30,970 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 316 flow [2024-10-11 16:46:30,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-10-11 16:46:30,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:30,970 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:30,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 16:46:30,971 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:30,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash 783549393, now seen corresponding path program 1 times [2024-10-11 16:46:30,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:30,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520862798] [2024-10-11 16:46:30,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:30,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:31,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:31,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520862798] [2024-10-11 16:46:31,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520862798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:31,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:31,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:31,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612731611] [2024-10-11 16:46:31,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:31,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:31,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:31,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:31,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:31,018 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-10-11 16:46:31,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 125 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-10-11 16:46:31,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:31,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-10-11 16:46:31,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:31,125 INFO L124 PetriNetUnfolderBase]: 134/884 cut-off events. [2024-10-11 16:46:31,125 INFO L125 PetriNetUnfolderBase]: For 154/166 co-relation queries the response was YES. [2024-10-11 16:46:31,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1431 conditions, 884 events. 134/884 cut-off events. For 154/166 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6037 event pairs, 28 based on Foata normal form. 2/789 useless extension candidates. Maximal degree in co-relation 1293. Up to 206 conditions per place. [2024-10-11 16:46:31,128 INFO L140 encePairwiseOnDemand]: 129/137 looper letters, 22 selfloop transitions, 6 changer transitions 5/139 dead transitions. [2024-10-11 16:46:31,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 139 transitions, 421 flow [2024-10-11 16:46:31,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:31,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:31,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2024-10-11 16:46:31,129 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8978102189781022 [2024-10-11 16:46:31,130 INFO L175 Difference]: Start difference. First operand has 127 places, 125 transitions, 316 flow. Second operand 3 states and 369 transitions. [2024-10-11 16:46:31,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 139 transitions, 421 flow [2024-10-11 16:46:31,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 139 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:31,132 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 352 flow [2024-10-11 16:46:31,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2024-10-11 16:46:31,133 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -1 predicate places. [2024-10-11 16:46:31,133 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 352 flow [2024-10-11 16:46:31,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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) [2024-10-11 16:46:31,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:31,134 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:31,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 16:46:31,134 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:31,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash -2498024, now seen corresponding path program 1 times [2024-10-11 16:46:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:31,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744559081] [2024-10-11 16:46:31,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:31,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:31,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:31,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744559081] [2024-10-11 16:46:31,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744559081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:31,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:31,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:31,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409260903] [2024-10-11 16:46:31,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:31,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:31,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:31,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:31,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:31,178 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-10-11 16:46:31,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2024-10-11 16:46:31,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:31,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-10-11 16:46:31,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:31,243 INFO L124 PetriNetUnfolderBase]: 107/770 cut-off events. [2024-10-11 16:46:31,243 INFO L125 PetriNetUnfolderBase]: For 155/165 co-relation queries the response was YES. [2024-10-11 16:46:31,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1289 conditions, 770 events. 107/770 cut-off events. For 155/165 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5223 event pairs, 43 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 1136. Up to 151 conditions per place. [2024-10-11 16:46:31,247 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 16 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-10-11 16:46:31,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 394 flow [2024-10-11 16:46:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-10-11 16:46:31,248 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8710462287104623 [2024-10-11 16:46:31,248 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 352 flow. Second operand 3 states and 358 transitions. [2024-10-11 16:46:31,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 394 flow [2024-10-11 16:46:31,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 130 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 16:46:31,251 INFO L231 Difference]: Finished difference. Result has 128 places, 127 transitions, 342 flow [2024-10-11 16:46:31,251 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=128, PETRI_TRANSITIONS=127} [2024-10-11 16:46:31,252 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -2 predicate places. [2024-10-11 16:46:31,252 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 342 flow [2024-10-11 16:46:31,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2024-10-11 16:46:31,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:31,252 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:31,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 16:46:31,253 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:31,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:31,253 INFO L85 PathProgramCache]: Analyzing trace with hash -416142667, now seen corresponding path program 1 times [2024-10-11 16:46:31,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:31,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940258954] [2024-10-11 16:46:31,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:31,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:31,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:31,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:31,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940258954] [2024-10-11 16:46:31,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940258954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:31,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:31,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 16:46:31,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021010572] [2024-10-11 16:46:31,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:31,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 16:46:31,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:31,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 16:46:31,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 16:46:31,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 137 [2024-10-11 16:46:31,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 127 transitions, 342 flow. Second operand has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2024-10-11 16:46:31,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:31,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 137 [2024-10-11 16:46:31,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:31,675 INFO L124 PetriNetUnfolderBase]: 30/424 cut-off events. [2024-10-11 16:46:31,676 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-10-11 16:46:31,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 424 events. 30/424 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2057 event pairs, 10 based on Foata normal form. 2/392 useless extension candidates. Maximal degree in co-relation 517. Up to 38 conditions per place. [2024-10-11 16:46:31,677 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 9 selfloop transitions, 6 changer transitions 2/125 dead transitions. [2024-10-11 16:46:31,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 125 transitions, 361 flow [2024-10-11 16:46:31,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 16:46:31,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-11 16:46:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 599 transitions. [2024-10-11 16:46:31,679 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744525547445255 [2024-10-11 16:46:31,679 INFO L175 Difference]: Start difference. First operand has 128 places, 127 transitions, 342 flow. Second operand 5 states and 599 transitions. [2024-10-11 16:46:31,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 125 transitions, 361 flow [2024-10-11 16:46:31,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 125 transitions, 347 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-11 16:46:31,683 INFO L231 Difference]: Finished difference. Result has 126 places, 121 transitions, 314 flow [2024-10-11 16:46:31,683 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=314, PETRI_PLACES=126, PETRI_TRANSITIONS=121} [2024-10-11 16:46:31,686 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -4 predicate places. [2024-10-11 16:46:31,686 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 121 transitions, 314 flow [2024-10-11 16:46:31,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.5) internal successors, (705), 6 states have internal predecessors, (705), 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) [2024-10-11 16:46:31,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:31,687 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:31,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 16:46:31,688 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:31,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:31,688 INFO L85 PathProgramCache]: Analyzing trace with hash -425205315, now seen corresponding path program 1 times [2024-10-11 16:46:31,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:31,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450607365] [2024-10-11 16:46:31,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:31,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:31,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:31,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450607365] [2024-10-11 16:46:31,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450607365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:31,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:31,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:46:31,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515819184] [2024-10-11 16:46:31,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:31,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:31,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:31,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:31,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:31,760 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-10-11 16:46:31,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 121 transitions, 314 flow. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:46:31,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:31,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-10-11 16:46:31,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:31,827 INFO L124 PetriNetUnfolderBase]: 71/529 cut-off events. [2024-10-11 16:46:31,827 INFO L125 PetriNetUnfolderBase]: For 142/168 co-relation queries the response was YES. [2024-10-11 16:46:31,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 529 events. 71/529 cut-off events. For 142/168 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2879 event pairs, 31 based on Foata normal form. 1/484 useless extension candidates. Maximal degree in co-relation 788. Up to 148 conditions per place. [2024-10-11 16:46:31,829 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 20 selfloop transitions, 7 changer transitions 3/128 dead transitions. [2024-10-11 16:46:31,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 396 flow [2024-10-11 16:46:31,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-10-11 16:46:31,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2024-10-11 16:46:31,832 INFO L175 Difference]: Start difference. First operand has 126 places, 121 transitions, 314 flow. Second operand 3 states and 361 transitions. [2024-10-11 16:46:31,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 396 flow [2024-10-11 16:46:31,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 128 transitions, 387 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-11 16:46:31,836 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 351 flow [2024-10-11 16:46:31,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=127, PETRI_TRANSITIONS=123} [2024-10-11 16:46:31,837 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-10-11 16:46:31,838 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 351 flow [2024-10-11 16:46:31,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:46:31,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:46:31,839 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:31,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 16:46:31,839 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr0ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr4ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-10-11 16:46:31,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:46:31,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1425253285, now seen corresponding path program 1 times [2024-10-11 16:46:31,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:46:31,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120902761] [2024-10-11 16:46:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:46:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:46:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:46:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:46:31,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:46:31,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120902761] [2024-10-11 16:46:31,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120902761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:46:31,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:46:31,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 16:46:31,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194893076] [2024-10-11 16:46:31,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:46:31,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:46:31,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:46:31,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:46:31,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:46:31,925 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 137 [2024-10-11 16:46:31,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 123 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:46:31,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:46:31,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 137 [2024-10-11 16:46:31,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:46:31,953 INFO L124 PetriNetUnfolderBase]: 10/166 cut-off events. [2024-10-11 16:46:31,954 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-10-11 16:46:31,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 166 events. 10/166 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 284 event pairs, 7 based on Foata normal form. 3/163 useless extension candidates. Maximal degree in co-relation 155. Up to 20 conditions per place. [2024-10-11 16:46:31,955 INFO L140 encePairwiseOnDemand]: 135/137 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2024-10-11 16:46:31,955 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 99 transitions, 262 flow [2024-10-11 16:46:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:46:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:46:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-10-11 16:46:31,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8880778588807786 [2024-10-11 16:46:31,957 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 351 flow. Second operand 3 states and 365 transitions. [2024-10-11 16:46:31,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 99 transitions, 262 flow [2024-10-11 16:46:31,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 239 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-10-11 16:46:31,958 INFO L231 Difference]: Finished difference. Result has 105 places, 0 transitions, 0 flow [2024-10-11 16:46:31,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=105, PETRI_TRANSITIONS=0} [2024-10-11 16:46:31,960 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -25 predicate places. [2024-10-11 16:46:31,960 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 0 transitions, 0 flow [2024-10-11 16:46:31,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 16:46:31,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2024-10-11 16:46:31,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2024-10-11 16:46:31,964 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2024-10-11 16:46:31,965 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2024-10-11 16:46:31,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2024-10-11 16:46:31,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2024-10-11 16:46:31,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2024-10-11 16:46:31,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2024-10-11 16:46:31,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2024-10-11 16:46:31,966 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2024-10-11 16:46:31,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 16:46:31,966 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 16:46:31,976 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 16:46:31,976 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 16:46:31,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 04:46:31 BasicIcfg [2024-10-11 16:46:31,984 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 16:46:31,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 16:46:31,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 16:46:31,984 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 16:46:31,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:46:29" (3/4) ... [2024-10-11 16:46:31,986 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 16:46:31,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2024-10-11 16:46:31,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2024-10-11 16:46:31,998 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 16:46:31,998 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 16:46:31,998 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 16:46:31,998 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 16:46:32,093 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 16:46:32,095 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 16:46:32,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 16:46:32,096 INFO L158 Benchmark]: Toolchain (without parser) took 3458.06ms. Allocated memory was 155.2MB in the beginning and 304.1MB in the end (delta: 148.9MB). Free memory was 83.1MB in the beginning and 183.0MB in the end (delta: -99.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-10-11 16:46:32,096 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:46:32,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.19ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 82.8MB in the beginning and 187.8MB in the end (delta: -105.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 16:46:32,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.16ms. Allocated memory is still 224.4MB. Free memory was 187.8MB in the beginning and 185.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 16:46:32,098 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 224.4MB. Free memory was 185.7MB in the beginning and 184.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 16:46:32,098 INFO L158 Benchmark]: RCFGBuilder took 391.96ms. Allocated memory is still 224.4MB. Free memory was 184.7MB in the beginning and 165.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 16:46:32,098 INFO L158 Benchmark]: TraceAbstraction took 2407.52ms. Allocated memory was 224.4MB in the beginning and 304.1MB in the end (delta: 79.7MB). Free memory was 165.8MB in the beginning and 187.2MB in the end (delta: -21.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-10-11 16:46:32,098 INFO L158 Benchmark]: Witness Printer took 111.04ms. Allocated memory is still 304.1MB. Free memory was 187.2MB in the beginning and 183.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 16:46:32,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 155.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.19ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 82.8MB in the beginning and 187.8MB in the end (delta: -105.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.16ms. Allocated memory is still 224.4MB. Free memory was 187.8MB in the beginning and 185.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 224.4MB. Free memory was 185.7MB in the beginning and 184.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.96ms. Allocated memory is still 224.4MB. Free memory was 184.7MB in the beginning and 165.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2407.52ms. Allocated memory was 224.4MB in the beginning and 304.1MB in the end (delta: 79.7MB). Free memory was 165.8MB in the beginning and 187.2MB in the end (delta: -21.4MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Witness Printer took 111.04ms. Allocated memory is still 304.1MB. Free memory was 187.2MB in the beginning and 183.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 203 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 427 IncrementalHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 57 mSDtfsCounter, 427 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 565 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 555 ConstructedInterpolants, 0 QuantifiedInterpolants, 874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 16:46:32,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE