./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:12:35,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:12:35,521 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:12:35,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:12:35,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:12:35,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:12:35,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:12:35,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:12:35,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:12:35,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:12:35,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:12:35,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:12:35,550 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:12:35,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:12:35,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:12:35,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:12:35,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:12:35,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:12:35,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:12:35,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:12:35,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:12:35,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:12:35,556 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:12:35,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:12:35,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:12:35,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:12:35,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:12:35,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:12:35,557 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:12:35,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:12:35,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:12:35,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:12:35,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:12:35,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:12:35,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:12:35,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:12:35,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:12:35,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:12:35,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:12:35,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:12:35,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:12:35,562 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1985bb251db70a1c798d345be7e1671f9dcc6a359b969ca99d23e0003d9a3770 [2024-11-16 23:12:35,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:12:35,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:12:35,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:12:35,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:12:35,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:12:35,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-16 23:12:37,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:12:37,472 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:12:37,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2024-11-16 23:12:37,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f09d322/e4cbe870d6b2415c8691a0d22bffd3ca/FLAG3a3328246 [2024-11-16 23:12:37,813 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f09d322/e4cbe870d6b2415c8691a0d22bffd3ca [2024-11-16 23:12:37,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:12:37,817 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:12:37,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:12:37,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:12:37,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:12:37,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539110cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:37, skipping insertion in model container [2024-11-16 23:12:37,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:37" (1/1) ... [2024-11-16 23:12:37,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:12:38,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:12:38,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:12:38,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:12:38,373 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:12:38,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38 WrapperNode [2024-11-16 23:12:38,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:12:38,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:12:38,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:12:38,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:12:38,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,421 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2024-11-16 23:12:38,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:12:38,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:12:38,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:12:38,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:12:38,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:12:38,459 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:12:38,459 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:12:38,459 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:12:38,460 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (1/1) ... [2024-11-16 23:12:38,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:12:38,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:12:38,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:12:38,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:12:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-11-16 23:12:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-11-16 23:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-11-16 23:12:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-11-16 23:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-16 23:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-16 23:12:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:12:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:12:38,555 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:12:38,662 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:12:38,664 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:12:38,866 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:12:38,867 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:12:38,906 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:12:38,906 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:12:38,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:38 BoogieIcfgContainer [2024-11-16 23:12:38,907 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:12:38,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:12:38,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:12:38,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:12:38,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:12:37" (1/3) ... [2024-11-16 23:12:38,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116014b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:38, skipping insertion in model container [2024-11-16 23:12:38,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:38" (2/3) ... [2024-11-16 23:12:38,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@116014b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:12:38, skipping insertion in model container [2024-11-16 23:12:38,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:38" (3/3) ... [2024-11-16 23:12:38,918 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-11-16 23:12:38,930 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:12:38,930 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-16 23:12:38,930 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:12:39,001 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:12:39,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 137 transitions, 288 flow [2024-11-16 23:12:39,123 INFO L124 PetriNetUnfolderBase]: 7/135 cut-off events. [2024-11-16 23:12:39,123 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-16 23:12:39,133 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 237 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. [2024-11-16 23:12:39,133 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 137 transitions, 288 flow [2024-11-16 23:12:39,138 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 130 transitions, 269 flow [2024-11-16 23:12:39,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:12:39,162 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;@60fa0eef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:12:39,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-16 23:12:39,171 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:12:39,172 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-11-16 23:12:39,172 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:12:39,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,173 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:12:39,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:39,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1657428436, now seen corresponding path program 1 times [2024-11-16 23:12:39,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004907793] [2024-11-16 23:12:39,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:39,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:39,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004907793] [2024-11-16 23:12:39,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004907793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:39,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:39,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:39,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142044365] [2024-11-16 23:12:39,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:39,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:39,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:39,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-16 23:12:39,490 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) [2024-11-16 23:12:39,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:39,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-16 23:12:39,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,649 INFO L124 PetriNetUnfolderBase]: 29/337 cut-off events. [2024-11-16 23:12:39,651 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-16 23:12:39,654 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 1514 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. [2024-11-16 23:12:39,657 INFO L140 encePairwiseOnDemand]: 128/137 looper letters, 17 selfloop transitions, 2 changer transitions 1/124 dead transitions. [2024-11-16 23:12:39,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 124 transitions, 301 flow [2024-11-16 23:12:39,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2024-11-16 23:12:39,674 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8978102189781022 [2024-11-16 23:12:39,676 INFO L175 Difference]: Start difference. First operand has 130 places, 130 transitions, 269 flow. Second operand 3 states and 369 transitions. [2024-11-16 23:12:39,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 124 transitions, 301 flow [2024-11-16 23:12:39,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 293 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:12:39,688 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 244 flow [2024-11-16 23:12:39,690 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} [2024-11-16 23:12:39,694 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-11-16 23:12:39,695 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 244 flow [2024-11-16 23:12:39,695 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) [2024-11-16 23:12:39,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,696 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] [2024-11-16 23:12:39,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:12:39,697 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:39,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,698 INFO L85 PathProgramCache]: Analyzing trace with hash -644134282, now seen corresponding path program 1 times [2024-11-16 23:12:39,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192715817] [2024-11-16 23:12:39,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:39,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:39,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192715817] [2024-11-16 23:12:39,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192715817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:39,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:39,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:39,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334579838] [2024-11-16 23:12:39,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:39,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:39,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:39,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:39,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-16 23:12:39,821 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) [2024-11-16 23:12:39,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:39,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-16 23:12:39,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:39,931 INFO L124 PetriNetUnfolderBase]: 53/556 cut-off events. [2024-11-16 23:12:39,931 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-16 23:12:39,934 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 3190 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. [2024-11-16 23:12:39,939 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 19 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2024-11-16 23:12:39,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 125 transitions, 307 flow [2024-11-16 23:12:39,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-16 23:12:39,942 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8856447688564477 [2024-11-16 23:12:39,945 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 244 flow. Second operand 3 states and 364 transitions. [2024-11-16 23:12:39,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 125 transitions, 307 flow [2024-11-16 23:12:39,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 125 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:39,949 INFO L231 Difference]: Finished difference. Result has 123 places, 119 transitions, 264 flow [2024-11-16 23:12:39,949 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} [2024-11-16 23:12:39,950 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-11-16 23:12:39,950 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 119 transitions, 264 flow [2024-11-16 23:12:39,951 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) [2024-11-16 23:12:39,951 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:39,951 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] [2024-11-16 23:12:39,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:12:39,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:39,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:39,953 INFO L85 PathProgramCache]: Analyzing trace with hash 444580130, now seen corresponding path program 1 times [2024-11-16 23:12:39,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:39,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812913713] [2024-11-16 23:12:39,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:39,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:40,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:40,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812913713] [2024-11-16 23:12:40,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812913713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:40,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:40,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:12:40,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316907097] [2024-11-16 23:12:40,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:40,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:40,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:40,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:40,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:40,129 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 137 [2024-11-16 23:12:40,131 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) [2024-11-16 23:12:40,131 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:40,131 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 137 [2024-11-16 23:12:40,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:40,204 INFO L124 PetriNetUnfolderBase]: 27/364 cut-off events. [2024-11-16 23:12:40,206 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-16 23:12:40,208 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 1638 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. [2024-11-16 23:12:40,211 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 13 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2024-11-16 23:12:40,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 300 flow [2024-11-16 23:12:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:40,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-11-16 23:12:40,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8856447688564477 [2024-11-16 23:12:40,215 INFO L175 Difference]: Start difference. First operand has 123 places, 119 transitions, 264 flow. Second operand 3 states and 364 transitions. [2024-11-16 23:12:40,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 300 flow [2024-11-16 23:12:40,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 121 transitions, 292 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:40,219 INFO L231 Difference]: Finished difference. Result has 123 places, 118 transitions, 258 flow [2024-11-16 23:12:40,220 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} [2024-11-16 23:12:40,221 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-11-16 23:12:40,222 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 118 transitions, 258 flow [2024-11-16 23:12:40,222 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) [2024-11-16 23:12:40,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:40,222 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] [2024-11-16 23:12:40,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:12:40,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr3ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:40,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:40,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1122664547, now seen corresponding path program 1 times [2024-11-16 23:12:40,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:40,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435077974] [2024-11-16 23:12:40,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:40,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:40,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:40,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435077974] [2024-11-16 23:12:40,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435077974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:40,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:40,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:40,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836388234] [2024-11-16 23:12:40,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:40,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:40,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:40,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:40,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:40,352 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-16 23:12:40,352 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) [2024-11-16 23:12:40,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:40,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-16 23:12:40,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:40,452 INFO L124 PetriNetUnfolderBase]: 55/506 cut-off events. [2024-11-16 23:12:40,452 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-16 23:12:40,455 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. [2024-11-16 23:12:40,457 INFO L140 encePairwiseOnDemand]: 132/137 looper letters, 19 selfloop transitions, 4 changer transitions 0/124 dead transitions. [2024-11-16 23:12:40,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 124 transitions, 320 flow [2024-11-16 23:12:40,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2024-11-16 23:12:40,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8807785888077859 [2024-11-16 23:12:40,461 INFO L175 Difference]: Start difference. First operand has 123 places, 118 transitions, 258 flow. Second operand 3 states and 362 transitions. [2024-11-16 23:12:40,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 124 transitions, 320 flow [2024-11-16 23:12:40,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 124 transitions, 316 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:40,465 INFO L231 Difference]: Finished difference. Result has 125 places, 121 transitions, 286 flow [2024-11-16 23:12:40,466 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} [2024-11-16 23:12:40,467 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -5 predicate places. [2024-11-16 23:12:40,468 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 121 transitions, 286 flow [2024-11-16 23:12:40,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:12:40,468 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:40,468 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:12:40,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:12:40,469 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:40,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:40,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1647861757, now seen corresponding path program 1 times [2024-11-16 23:12:40,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:40,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727755651] [2024-11-16 23:12:40,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:40,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:40,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:40,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727755651] [2024-11-16 23:12:40,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727755651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:40,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:40,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:40,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074386427] [2024-11-16 23:12:40,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:40,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:40,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:40,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:40,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:40,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-11-16 23:12:40,580 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) [2024-11-16 23:12:40,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:40,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-11-16 23:12:40,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:40,704 INFO L124 PetriNetUnfolderBase]: 138/781 cut-off events. [2024-11-16 23:12:40,705 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2024-11-16 23:12:40,708 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 4877 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. [2024-11-16 23:12:40,714 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 21 selfloop transitions, 5 changer transitions 0/130 dead transitions. [2024-11-16 23:12:40,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 130 transitions, 357 flow [2024-11-16 23:12:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:40,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2024-11-16 23:12:40,715 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8832116788321168 [2024-11-16 23:12:40,716 INFO L175 Difference]: Start difference. First operand has 125 places, 121 transitions, 286 flow. Second operand 3 states and 363 transitions. [2024-11-16 23:12:40,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 130 transitions, 357 flow [2024-11-16 23:12:40,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 130 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:40,719 INFO L231 Difference]: Finished difference. Result has 127 places, 125 transitions, 316 flow [2024-11-16 23:12:40,720 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} [2024-11-16 23:12:40,724 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-11-16 23:12:40,724 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 125 transitions, 316 flow [2024-11-16 23:12:40,725 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) [2024-11-16 23:12:40,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:40,725 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] [2024-11-16 23:12:40,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:12:40,725 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr0ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:40,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash -26265749, now seen corresponding path program 1 times [2024-11-16 23:12:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:40,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020766793] [2024-11-16 23:12:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:40,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:40,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020766793] [2024-11-16 23:12:40,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020766793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:40,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:40,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:40,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133427843] [2024-11-16 23:12:40,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:40,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:40,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:40,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:40,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:40,804 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-11-16 23:12:40,805 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) [2024-11-16 23:12:40,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:40,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-11-16 23:12:40,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:40,933 INFO L124 PetriNetUnfolderBase]: 134/884 cut-off events. [2024-11-16 23:12:40,933 INFO L125 PetriNetUnfolderBase]: For 154/166 co-relation queries the response was YES. [2024-11-16 23:12:40,935 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 6043 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. [2024-11-16 23:12:40,937 INFO L140 encePairwiseOnDemand]: 129/137 looper letters, 22 selfloop transitions, 6 changer transitions 5/139 dead transitions. [2024-11-16 23:12:40,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 139 transitions, 421 flow [2024-11-16 23:12:40,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 369 transitions. [2024-11-16 23:12:40,938 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8978102189781022 [2024-11-16 23:12:40,939 INFO L175 Difference]: Start difference. First operand has 127 places, 125 transitions, 316 flow. Second operand 3 states and 369 transitions. [2024-11-16 23:12:40,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 139 transitions, 421 flow [2024-11-16 23:12:40,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 139 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:40,943 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 352 flow [2024-11-16 23:12:40,943 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} [2024-11-16 23:12:40,944 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -1 predicate places. [2024-11-16 23:12:40,944 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 352 flow [2024-11-16 23:12:40,944 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) [2024-11-16 23:12:40,944 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:40,944 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] [2024-11-16 23:12:40,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:12:40,945 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:40,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:40,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1845515034, now seen corresponding path program 1 times [2024-11-16 23:12:40,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:40,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252216138] [2024-11-16 23:12:40,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:40,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:40,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:40,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252216138] [2024-11-16 23:12:40,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252216138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:40,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:40,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:40,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567718564] [2024-11-16 23:12:40,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:40,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:40,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:41,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 137 [2024-11-16 23:12:41,006 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) [2024-11-16 23:12:41,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:41,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 137 [2024-11-16 23:12:41,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:41,100 INFO L124 PetriNetUnfolderBase]: 107/770 cut-off events. [2024-11-16 23:12:41,100 INFO L125 PetriNetUnfolderBase]: For 155/165 co-relation queries the response was YES. [2024-11-16 23:12:41,102 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 5249 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. [2024-11-16 23:12:41,104 INFO L140 encePairwiseOnDemand]: 134/137 looper letters, 16 selfloop transitions, 2 changer transitions 0/130 dead transitions. [2024-11-16 23:12:41,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 130 transitions, 394 flow [2024-11-16 23:12:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2024-11-16 23:12:41,106 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8710462287104623 [2024-11-16 23:12:41,106 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 352 flow. Second operand 3 states and 358 transitions. [2024-11-16 23:12:41,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 130 transitions, 394 flow [2024-11-16 23:12:41,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 130 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:12:41,110 INFO L231 Difference]: Finished difference. Result has 128 places, 127 transitions, 342 flow [2024-11-16 23:12:41,110 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} [2024-11-16 23:12:41,111 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -2 predicate places. [2024-11-16 23:12:41,111 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 127 transitions, 342 flow [2024-11-16 23:12:41,112 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) [2024-11-16 23:12:41,112 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:41,112 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] [2024-11-16 23:12:41,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:12:41,112 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr2ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:41,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:41,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1514020865, now seen corresponding path program 1 times [2024-11-16 23:12:41,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:41,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387667099] [2024-11-16 23:12:41,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:41,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:41,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:41,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387667099] [2024-11-16 23:12:41,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387667099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:41,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:41,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 23:12:41,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234357612] [2024-11-16 23:12:41,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:41,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:12:41,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:41,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:12:41,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:12:41,411 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 137 [2024-11-16 23:12:41,412 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) [2024-11-16 23:12:41,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:41,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 137 [2024-11-16 23:12:41,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:41,504 INFO L124 PetriNetUnfolderBase]: 30/424 cut-off events. [2024-11-16 23:12:41,504 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-16 23:12:41,505 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 2064 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. [2024-11-16 23:12:41,506 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 9 selfloop transitions, 6 changer transitions 2/125 dead transitions. [2024-11-16 23:12:41,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 125 transitions, 361 flow [2024-11-16 23:12:41,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 23:12:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-16 23:12:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 599 transitions. [2024-11-16 23:12:41,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8744525547445255 [2024-11-16 23:12:41,516 INFO L175 Difference]: Start difference. First operand has 128 places, 127 transitions, 342 flow. Second operand 5 states and 599 transitions. [2024-11-16 23:12:41,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 125 transitions, 361 flow [2024-11-16 23:12:41,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 125 transitions, 347 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-16 23:12:41,519 INFO L231 Difference]: Finished difference. Result has 126 places, 121 transitions, 314 flow [2024-11-16 23:12:41,520 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} [2024-11-16 23:12:41,520 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -4 predicate places. [2024-11-16 23:12:41,520 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 121 transitions, 314 flow [2024-11-16 23:12:41,521 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) [2024-11-16 23:12:41,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:41,521 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] [2024-11-16 23:12:41,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:12:41,522 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:41,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:41,522 INFO L85 PathProgramCache]: Analyzing trace with hash -253129197, now seen corresponding path program 1 times [2024-11-16 23:12:41,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:41,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836447385] [2024-11-16 23:12:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:41,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:41,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836447385] [2024-11-16 23:12:41,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836447385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:41,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:41,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:12:41,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24333455] [2024-11-16 23:12:41,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:41,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:41,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:41,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:41,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 137 [2024-11-16 23:12:41,577 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) [2024-11-16 23:12:41,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:41,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 137 [2024-11-16 23:12:41,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:41,641 INFO L124 PetriNetUnfolderBase]: 71/529 cut-off events. [2024-11-16 23:12:41,641 INFO L125 PetriNetUnfolderBase]: For 142/168 co-relation queries the response was YES. [2024-11-16 23:12:41,642 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 28. Compared 2870 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. [2024-11-16 23:12:41,643 INFO L140 encePairwiseOnDemand]: 131/137 looper letters, 20 selfloop transitions, 7 changer transitions 3/128 dead transitions. [2024-11-16 23:12:41,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 128 transitions, 396 flow [2024-11-16 23:12:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 361 transitions. [2024-11-16 23:12:41,646 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.878345498783455 [2024-11-16 23:12:41,646 INFO L175 Difference]: Start difference. First operand has 126 places, 121 transitions, 314 flow. Second operand 3 states and 361 transitions. [2024-11-16 23:12:41,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 128 transitions, 396 flow [2024-11-16 23:12:41,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 128 transitions, 387 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-16 23:12:41,649 INFO L231 Difference]: Finished difference. Result has 127 places, 123 transitions, 351 flow [2024-11-16 23:12:41,650 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} [2024-11-16 23:12:41,650 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -3 predicate places. [2024-11-16 23:12:41,650 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 123 transitions, 351 flow [2024-11-16 23:12:41,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:12:41,651 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:12:41,651 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] [2024-11-16 23:12:41,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:12:41,651 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting de_allocatorErr1ASSERT_VIOLATIONDATA_RACE === [allocatorErr4ASSERT_VIOLATIONDATA_RACE, allocatorErr1ASSERT_VIOLATIONDATA_RACE, allocatorErr3ASSERT_VIOLATIONDATA_RACE, allocatorErr0ASSERT_VIOLATIONDATA_RACE (and 16 more)] === [2024-11-16 23:12:41,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:12:41,652 INFO L85 PathProgramCache]: Analyzing trace with hash 966668477, now seen corresponding path program 1 times [2024-11-16 23:12:41,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:12:41,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719058173] [2024-11-16 23:12:41,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:12:41,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:12:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:12:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:12:41,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:12:41,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719058173] [2024-11-16 23:12:41,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719058173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:12:41,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:12:41,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:12:41,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182403961] [2024-11-16 23:12:41,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:12:41,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:12:41,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:12:41,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:12:41,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:12:41,733 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 137 [2024-11-16 23:12:41,734 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) [2024-11-16 23:12:41,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:12:41,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 137 [2024-11-16 23:12:41,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:12:41,763 INFO L124 PetriNetUnfolderBase]: 10/166 cut-off events. [2024-11-16 23:12:41,763 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-11-16 23:12:41,764 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 285 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. [2024-11-16 23:12:41,764 INFO L140 encePairwiseOnDemand]: 135/137 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2024-11-16 23:12:41,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 99 transitions, 262 flow [2024-11-16 23:12:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:12:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:12:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2024-11-16 23:12:41,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8880778588807786 [2024-11-16 23:12:41,766 INFO L175 Difference]: Start difference. First operand has 127 places, 123 transitions, 351 flow. Second operand 3 states and 365 transitions. [2024-11-16 23:12:41,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 99 transitions, 262 flow [2024-11-16 23:12:41,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 239 flow, removed 5 selfloop flow, removed 8 redundant places. [2024-11-16 23:12:41,767 INFO L231 Difference]: Finished difference. Result has 105 places, 0 transitions, 0 flow [2024-11-16 23:12:41,768 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} [2024-11-16 23:12:41,769 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -25 predicate places. [2024-11-16 23:12:41,769 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 0 transitions, 0 flow [2024-11-16 23:12:41,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:12:41,772 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (19 of 20 remaining) [2024-11-16 23:12:41,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (18 of 20 remaining) [2024-11-16 23:12:41,773 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (17 of 20 remaining) [2024-11-16 23:12:41,774 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (16 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (15 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (14 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (13 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (12 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (11 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-16 23:12:41,775 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONDATA_RACE (7 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONDATA_RACE (6 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONDATA_RACE (5 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONDATA_RACE (4 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONDATA_RACE (3 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONDATA_RACE (2 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONDATA_RACE (1 of 20 remaining) [2024-11-16 23:12:41,776 INFO L782 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONDATA_RACE (0 of 20 remaining) [2024-11-16 23:12:41,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:12:41,777 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:12:41,785 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 23:12:41,785 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 23:12:41,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:12:41 BasicIcfg [2024-11-16 23:12:41,793 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 23:12:41,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 23:12:41,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 23:12:41,793 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 23:12:41,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:12:38" (3/4) ... [2024-11-16 23:12:41,795 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-16 23:12:41,798 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure allocator [2024-11-16 23:12:41,798 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure de_allocator [2024-11-16 23:12:41,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-16 23:12:41,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-16 23:12:41,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-16 23:12:41,804 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-16 23:12:41,887 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-16 23:12:41,887 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-16 23:12:41,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 23:12:41,888 INFO L158 Benchmark]: Toolchain (without parser) took 4070.67ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 82.4MB in the beginning and 122.9MB in the end (delta: -40.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,888 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 110.9MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 23:12:41,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.42ms. Allocated memory is still 155.2MB. Free memory was 82.3MB in the beginning and 109.2MB in the end (delta: -27.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.57ms. Allocated memory is still 155.2MB. Free memory was 109.2MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,888 INFO L158 Benchmark]: Boogie Preprocessor took 35.72ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 105.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,889 INFO L158 Benchmark]: IcfgBuilder took 447.95ms. Allocated memory is still 155.2MB. Free memory was 105.6MB in the beginning and 87.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,889 INFO L158 Benchmark]: TraceAbstraction took 2882.34ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 87.2MB in the beginning and 127.1MB in the end (delta: -39.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,892 INFO L158 Benchmark]: Witness Printer took 93.96ms. Allocated memory is still 230.7MB. Free memory was 127.1MB in the beginning and 122.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 23:12:41,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 110.9MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.42ms. Allocated memory is still 155.2MB. Free memory was 82.3MB in the beginning and 109.2MB in the end (delta: -27.0MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.57ms. Allocated memory is still 155.2MB. Free memory was 109.2MB in the beginning and 107.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.72ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 105.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 447.95ms. Allocated memory is still 155.2MB. Free memory was 105.6MB in the beginning and 87.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2882.34ms. Allocated memory was 155.2MB in the beginning and 230.7MB in the end (delta: 75.5MB). Free memory was 87.2MB in the beginning and 127.1MB in the end (delta: -39.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 93.96ms. Allocated memory is still 230.7MB. Free memory was 127.1MB in the beginning and 122.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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: 2.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, 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, 0.7s 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! [2024-11-16 23:12:41,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE