./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.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 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 15:26:04,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 15:26:04,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-24 15:26:04,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 15:26:04,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 15:26:04,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 15:26:04,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 15:26:04,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 15:26:04,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 15:26:04,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 15:26:04,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 15:26:04,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 15:26:04,558 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 15:26:04,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 15:26:04,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 15:26:04,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 15:26:04,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 15:26:04,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 15:26:04,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 15:26:04,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 15:26:04,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 15:26:04,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 15:26:04,565 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-24 15:26:04,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 15:26:04,566 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 15:26:04,566 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 15:26:04,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 15:26:04,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 15:26:04,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 15:26:04,567 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 15:26:04,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 15:26:04,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:26:04,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 15:26:04,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 15:26:04,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 15:26:04,569 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 15:26:04,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 15:26:04,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 15:26:04,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 15:26:04,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 15:26:04,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 15:26:04,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4017723c7e4b1f7c431c7e7a6ea6ca9df8ac56fc590cd03021a11577cb455eff [2024-10-24 15:26:04,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 15:26:04,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 15:26:04,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 15:26:04,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 15:26:04,861 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 15:26:04,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i [2024-10-24 15:26:06,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 15:26:06,481 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 15:26:06,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_25-struct_nr_true.i [2024-10-24 15:26:06,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b9e8bd5/2332914a8a564d439640b3e1e576d160/FLAGe43f31a64 [2024-10-24 15:26:06,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82b9e8bd5/2332914a8a564d439640b3e1e576d160 [2024-10-24 15:26:06,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 15:26:06,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 15:26:06,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 15:26:06,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 15:26:06,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 15:26:06,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:26:06" (1/1) ... [2024-10-24 15:26:06,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d230a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:06, skipping insertion in model container [2024-10-24 15:26:06,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:26:06" (1/1) ... [2024-10-24 15:26:06,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 15:26:06,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:26:06,997 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 15:26:07,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 15:26:07,099 INFO L204 MainTranslator]: Completed translation [2024-10-24 15:26:07,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07 WrapperNode [2024-10-24 15:26:07,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 15:26:07,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 15:26:07,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 15:26:07,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 15:26:07,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,152 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 111 [2024-10-24 15:26:07,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 15:26:07,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 15:26:07,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 15:26:07,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 15:26:07,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,168 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 15:26:07,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 15:26:07,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 15:26:07,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 15:26:07,192 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (1/1) ... [2024-10-24 15:26:07,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 15:26:07,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 15:26:07,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 15:26:07,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 15:26:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-24 15:26:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 15:26:07,282 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-24 15:26:07,283 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-24 15:26:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-24 15:26:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-24 15:26:07,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 15:26:07,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 15:26:07,286 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-24 15:26:07,422 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 15:26:07,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 15:26:07,618 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-24 15:26:07,619 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 15:26:07,648 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 15:26:07,649 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 15:26:07,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:07 BoogieIcfgContainer [2024-10-24 15:26:07,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 15:26:07,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 15:26:07,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 15:26:07,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 15:26:07,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:26:06" (1/3) ... [2024-10-24 15:26:07,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64234623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:26:07, skipping insertion in model container [2024-10-24 15:26:07,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:26:07" (2/3) ... [2024-10-24 15:26:07,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64234623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:26:07, skipping insertion in model container [2024-10-24 15:26:07,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:07" (3/3) ... [2024-10-24 15:26:07,661 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2024-10-24 15:26:07,679 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 15:26:07,679 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-24 15:26:07,679 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-24 15:26:07,748 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-24 15:26:07,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions, 287 flow [2024-10-24 15:26:07,844 INFO L124 PetriNetUnfolderBase]: 8/139 cut-off events. [2024-10-24 15:26:07,845 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:26:07,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 139 events. 8/139 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 181 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 97. Up to 2 conditions per place. [2024-10-24 15:26:07,855 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 140 transitions, 287 flow [2024-10-24 15:26:07,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 134 transitions, 271 flow [2024-10-24 15:26:07,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 15:26:07,886 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;@2557249c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 15:26:07,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-24 15:26:07,895 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-24 15:26:07,896 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-24 15:26:07,896 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-24 15:26:07,896 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:07,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:07,898 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-24 15:26:07,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1172017329, now seen corresponding path program 1 times [2024-10-24 15:26:07,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:07,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559809554] [2024-10-24 15:26:07,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:07,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:08,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:08,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559809554] [2024-10-24 15:26:08,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559809554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:08,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:08,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:08,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271340925] [2024-10-24 15:26:08,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:08,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:08,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:08,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:08,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:08,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 140 [2024-10-24 15:26:08,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 134 transitions, 271 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:08,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:08,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 140 [2024-10-24 15:26:08,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:08,527 INFO L124 PetriNetUnfolderBase]: 110/821 cut-off events. [2024-10-24 15:26:08,528 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-24 15:26:08,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1096 conditions, 821 events. 110/821 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5163 event pairs, 49 based on Foata normal form. 86/814 useless extension candidates. Maximal degree in co-relation 1056. Up to 167 conditions per place. [2024-10-24 15:26:08,535 INFO L140 encePairwiseOnDemand]: 111/140 looper letters, 29 selfloop transitions, 15 changer transitions 3/135 dead transitions. [2024-10-24 15:26:08,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 135 transitions, 361 flow [2024-10-24 15:26:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2024-10-24 15:26:08,552 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2024-10-24 15:26:08,554 INFO L175 Difference]: Start difference. First operand has 130 places, 134 transitions, 271 flow. Second operand 3 states and 364 transitions. [2024-10-24 15:26:08,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 135 transitions, 361 flow [2024-10-24 15:26:08,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 135 transitions, 360 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:26:08,563 INFO L231 Difference]: Finished difference. Result has 124 places, 128 transitions, 356 flow [2024-10-24 15:26:08,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=124, PETRI_TRANSITIONS=128} [2024-10-24 15:26:08,569 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -6 predicate places. [2024-10-24 15:26:08,569 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 128 transitions, 356 flow [2024-10-24 15:26:08,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:08,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:08,570 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] [2024-10-24 15:26:08,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 15:26:08,570 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-24 15:26:08,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1485905498, now seen corresponding path program 1 times [2024-10-24 15:26:08,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:08,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574259812] [2024-10-24 15:26:08,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:08,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:08,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:08,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:08,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574259812] [2024-10-24 15:26:08,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574259812] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:08,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:08,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:08,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224325683] [2024-10-24 15:26:08,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:08,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:08,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:08,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:08,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:08,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2024-10-24 15:26:08,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 128 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:08,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:08,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2024-10-24 15:26:08,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:08,929 INFO L124 PetriNetUnfolderBase]: 132/926 cut-off events. [2024-10-24 15:26:08,929 INFO L125 PetriNetUnfolderBase]: For 301/333 co-relation queries the response was YES. [2024-10-24 15:26:08,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 926 events. 132/926 cut-off events. For 301/333 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 6138 event pairs, 59 based on Foata normal form. 2/832 useless extension candidates. Maximal degree in co-relation 1504. Up to 230 conditions per place. [2024-10-24 15:26:08,936 INFO L140 encePairwiseOnDemand]: 132/140 looper letters, 29 selfloop transitions, 10 changer transitions 0/138 dead transitions. [2024-10-24 15:26:08,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 138 transitions, 474 flow [2024-10-24 15:26:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 347 transitions. [2024-10-24 15:26:08,943 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8261904761904761 [2024-10-24 15:26:08,943 INFO L175 Difference]: Start difference. First operand has 124 places, 128 transitions, 356 flow. Second operand 3 states and 347 transitions. [2024-10-24 15:26:08,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 138 transitions, 474 flow [2024-10-24 15:26:08,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 138 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:26:08,951 INFO L231 Difference]: Finished difference. Result has 123 places, 136 transitions, 412 flow [2024-10-24 15:26:08,952 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=123, PETRI_TRANSITIONS=136} [2024-10-24 15:26:08,952 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -7 predicate places. [2024-10-24 15:26:08,953 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 136 transitions, 412 flow [2024-10-24 15:26:08,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:08,953 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:08,954 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] [2024-10-24 15:26:08,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 15:26:08,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-24 15:26:08,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2117040959, now seen corresponding path program 1 times [2024-10-24 15:26:08,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:08,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139505617] [2024-10-24 15:26:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:08,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:09,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:09,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139505617] [2024-10-24 15:26:09,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139505617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:09,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:09,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 15:26:09,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837230262] [2024-10-24 15:26:09,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:09,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:09,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:09,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:09,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:09,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 140 [2024-10-24 15:26:09,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 136 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:09,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 140 [2024-10-24 15:26:09,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:09,183 INFO L124 PetriNetUnfolderBase]: 1/180 cut-off events. [2024-10-24 15:26:09,183 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-24 15:26:09,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 243 conditions, 180 events. 1/180 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 220 event pairs, 0 based on Foata normal form. 2/170 useless extension candidates. Maximal degree in co-relation 204. Up to 21 conditions per place. [2024-10-24 15:26:09,184 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 2 selfloop transitions, 4 changer transitions 9/110 dead transitions. [2024-10-24 15:26:09,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 110 transitions, 286 flow [2024-10-24 15:26:09,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:09,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2024-10-24 15:26:09,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2024-10-24 15:26:09,186 INFO L175 Difference]: Start difference. First operand has 123 places, 136 transitions, 412 flow. Second operand 3 states and 371 transitions. [2024-10-24 15:26:09,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 110 transitions, 286 flow [2024-10-24 15:26:09,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 110 transitions, 256 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-10-24 15:26:09,191 INFO L231 Difference]: Finished difference. Result has 115 places, 101 transitions, 234 flow [2024-10-24 15:26:09,191 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=115, PETRI_TRANSITIONS=101} [2024-10-24 15:26:09,192 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -15 predicate places. [2024-10-24 15:26:09,192 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 101 transitions, 234 flow [2024-10-24 15:26:09,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,193 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:09,193 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:09,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 15:26:09,194 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-24 15:26:09,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:09,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1970349623, now seen corresponding path program 1 times [2024-10-24 15:26:09,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:09,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339411258] [2024-10-24 15:26:09,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:09,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:09,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:09,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339411258] [2024-10-24 15:26:09,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339411258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:09,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:09,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:09,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916477214] [2024-10-24 15:26:09,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:09,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:09,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:09,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:09,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:09,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2024-10-24 15:26:09,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 101 transitions, 234 flow. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:09,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2024-10-24 15:26:09,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:09,334 INFO L124 PetriNetUnfolderBase]: 1/160 cut-off events. [2024-10-24 15:26:09,335 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-10-24 15:26:09,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 160 events. 1/160 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 148 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 187. Up to 31 conditions per place. [2024-10-24 15:26:09,336 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 18 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-10-24 15:26:09,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 100 transitions, 272 flow [2024-10-24 15:26:09,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:09,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 343 transitions. [2024-10-24 15:26:09,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8166666666666667 [2024-10-24 15:26:09,339 INFO L175 Difference]: Start difference. First operand has 115 places, 101 transitions, 234 flow. Second operand 3 states and 343 transitions. [2024-10-24 15:26:09,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 100 transitions, 272 flow [2024-10-24 15:26:09,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 100 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-24 15:26:09,342 INFO L231 Difference]: Finished difference. Result has 106 places, 100 transitions, 232 flow [2024-10-24 15:26:09,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=106, PETRI_TRANSITIONS=100} [2024-10-24 15:26:09,343 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -24 predicate places. [2024-10-24 15:26:09,343 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 100 transitions, 232 flow [2024-10-24 15:26:09,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,345 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:09,345 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:09,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 15:26:09,347 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-24 15:26:09,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:09,348 INFO L85 PathProgramCache]: Analyzing trace with hash 426236466, now seen corresponding path program 1 times [2024-10-24 15:26:09,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:09,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156670741] [2024-10-24 15:26:09,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:09,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:09,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:09,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156670741] [2024-10-24 15:26:09,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156670741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:09,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:09,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:09,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403844302] [2024-10-24 15:26:09,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:09,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:09,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:09,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:09,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:09,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 140 [2024-10-24 15:26:09,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:09,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 140 [2024-10-24 15:26:09,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:09,492 INFO L124 PetriNetUnfolderBase]: 1/158 cut-off events. [2024-10-24 15:26:09,492 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-10-24 15:26:09,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 158 events. 1/158 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 140 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 185. Up to 32 conditions per place. [2024-10-24 15:26:09,493 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 17 selfloop transitions, 2 changer transitions 7/99 dead transitions. [2024-10-24 15:26:09,493 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 99 transitions, 272 flow [2024-10-24 15:26:09,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2024-10-24 15:26:09,495 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8047619047619048 [2024-10-24 15:26:09,495 INFO L175 Difference]: Start difference. First operand has 106 places, 100 transitions, 232 flow. Second operand 3 states and 338 transitions. [2024-10-24 15:26:09,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 99 transitions, 272 flow [2024-10-24 15:26:09,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 99 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-24 15:26:09,499 INFO L231 Difference]: Finished difference. Result has 105 places, 92 transitions, 213 flow [2024-10-24 15:26:09,499 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=105, PETRI_TRANSITIONS=92} [2024-10-24 15:26:09,500 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -25 predicate places. [2024-10-24 15:26:09,501 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 92 transitions, 213 flow [2024-10-24 15:26:09,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 3 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-24 15:26:09,502 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 15:26:09,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 15:26:09,502 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2024-10-24 15:26:09,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 15:26:09,504 INFO L85 PathProgramCache]: Analyzing trace with hash -708456007, now seen corresponding path program 1 times [2024-10-24 15:26:09,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 15:26:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779035057] [2024-10-24 15:26:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 15:26:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 15:26:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 15:26:09,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 15:26:09,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 15:26:09,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779035057] [2024-10-24 15:26:09,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779035057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 15:26:09,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 15:26:09,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 15:26:09,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026667398] [2024-10-24 15:26:09,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 15:26:09,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 15:26:09,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 15:26:09,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 15:26:09,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 15:26:09,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 140 [2024-10-24 15:26:09,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 92 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-24 15:26:09,601 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 140 [2024-10-24 15:26:09,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-24 15:26:09,617 INFO L124 PetriNetUnfolderBase]: 0/117 cut-off events. [2024-10-24 15:26:09,617 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-24 15:26:09,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 117 events. 0/117 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 58 event pairs, 0 based on Foata normal form. 2/119 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2024-10-24 15:26:09,618 INFO L140 encePairwiseOnDemand]: 138/140 looper letters, 0 selfloop transitions, 0 changer transitions 91/91 dead transitions. [2024-10-24 15:26:09,618 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 91 transitions, 243 flow [2024-10-24 15:26:09,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 15:26:09,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-24 15:26:09,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 340 transitions. [2024-10-24 15:26:09,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2024-10-24 15:26:09,620 INFO L175 Difference]: Start difference. First operand has 105 places, 92 transitions, 213 flow. Second operand 3 states and 340 transitions. [2024-10-24 15:26:09,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 91 transitions, 243 flow [2024-10-24 15:26:09,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 91 transitions, 237 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-24 15:26:09,621 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2024-10-24 15:26:09,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2024-10-24 15:26:09,622 INFO L277 CegarLoopForPetriNet]: 130 programPoint places, -32 predicate places. [2024-10-24 15:26:09,623 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2024-10-24 15:26:09,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 15:26:09,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2024-10-24 15:26:09,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2024-10-24 15:26:09,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2024-10-24 15:26:09,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2024-10-24 15:26:09,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2024-10-24 15:26:09,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2024-10-24 15:26:09,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-24 15:26:09,627 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2024-10-24 15:26:09,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2024-10-24 15:26:09,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2024-10-24 15:26:09,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2024-10-24 15:26:09,628 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2024-10-24 15:26:09,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2024-10-24 15:26:09,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2024-10-24 15:26:09,629 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2024-10-24 15:26:09,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 15:26:09,629 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-24 15:26:09,634 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-24 15:26:09,635 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 15:26:09,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:26:09 BasicIcfg [2024-10-24 15:26:09,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 15:26:09,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 15:26:09,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 15:26:09,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 15:26:09,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:26:07" (3/4) ... [2024-10-24 15:26:09,644 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 15:26:09,647 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-10-24 15:26:09,650 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-24 15:26:09,650 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 15:26:09,650 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-24 15:26:09,651 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 15:26:09,730 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 15:26:09,730 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 15:26:09,734 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 15:26:09,735 INFO L158 Benchmark]: Toolchain (without parser) took 3213.54ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 87.2MB in the beginning and 161.4MB in the end (delta: -74.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:26:09,735 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 112.3MB in the end (delta: 141.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:26:09,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.12ms. Allocated memory is still 157.3MB. Free memory was 87.1MB in the beginning and 119.3MB in the end (delta: -32.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2024-10-24 15:26:09,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.79ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:26:09,736 INFO L158 Benchmark]: Boogie Preprocessor took 37.46ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 115.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 15:26:09,736 INFO L158 Benchmark]: RCFGBuilder took 458.88ms. Allocated memory is still 157.3MB. Free memory was 115.6MB in the beginning and 98.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 15:26:09,736 INFO L158 Benchmark]: TraceAbstraction took 1988.91ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 97.9MB in the beginning and 165.6MB in the end (delta: -67.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 15:26:09,737 INFO L158 Benchmark]: Witness Printer took 93.17ms. Allocated memory is still 218.1MB. Free memory was 165.6MB in the beginning and 161.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 15:26:09,739 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 157.3MB. Free memory was 112.4MB in the beginning and 112.3MB in the end (delta: 141.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.12ms. Allocated memory is still 157.3MB. Free memory was 87.1MB in the beginning and 119.3MB in the end (delta: -32.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.79ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 116.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.46ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 115.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.88ms. Allocated memory is still 157.3MB. Free memory was 115.6MB in the beginning and 98.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1988.91ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 97.9MB in the beginning and 165.6MB in the end (delta: -67.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.17ms. Allocated memory is still 218.1MB. Free memory was 165.6MB in the beginning and 161.4MB 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: 699]: 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: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 184 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 306 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 36 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=412occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 300 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-24 15:26:09,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE