./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/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/09-regions_12-arraycollapse_rc.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 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 17:05:38,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:05:38,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:05:38,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:05:38,871 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:05:38,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:05:38,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:05:38,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:05:38,902 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:05:38,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:05:38,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:05:38,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:05:38,904 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:05:38,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:05:38,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:05:38,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:05:38,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:05:38,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:05:38,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:05:38,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:05:38,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:05:38,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:05:38,907 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:05:38,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:05:38,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:05:38,908 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:05:38,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:05:38,908 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:05:38,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:05:38,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:05:38,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:05:38,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:05:38,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:05:38,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:05:38,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:05:38,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:05:38,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:05:38,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:05:38,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:05:38,916 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:05:38,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:05:38,917 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2024-10-14 17:05:39,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:05:39,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:05:39,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:05:39,186 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:05:39,186 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:05:39,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-10-14 17:05:40,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:05:40,918 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:05:40,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-10-14 17:05:40,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b959609/52160fa334354b18bfa2f59177b44fa1/FLAG103027dd2 [2024-10-14 17:05:40,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b959609/52160fa334354b18bfa2f59177b44fa1 [2024-10-14 17:05:40,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:05:40,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:05:40,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:05:40,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:05:40,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:05:40,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:05:40" (1/1) ... [2024-10-14 17:05:40,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a2b6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:40, skipping insertion in model container [2024-10-14 17:05:40,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:05:40" (1/1) ... [2024-10-14 17:05:41,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:05:41,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:05:41,572 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:05:41,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:05:41,757 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:05:41,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41 WrapperNode [2024-10-14 17:05:41,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:05:41,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:05:41,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:05:41,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:05:41,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,897 INFO L138 Inliner]: procedures = 370, calls = 34, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 334 [2024-10-14 17:05:41,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:05:41,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:05:41,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:05:41,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:05:41,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:05:41,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:05:41,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:05:41,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:05:41,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (1/1) ... [2024-10-14 17:05:41,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:05:41,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:42,014 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) [2024-10-14 17:05:42,017 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 [2024-10-14 17:05:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-14 17:05:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 17:05:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:05:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:05:42,062 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 17:05:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:05:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:05:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-14 17:05:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-14 17:05:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-14 17:05:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:05:42,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:05:42,066 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:05:42,214 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:05:42,215 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:05:42,832 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:05:42,832 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:05:42,873 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:05:42,874 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 17:05:42,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:05:42 BoogieIcfgContainer [2024-10-14 17:05:42,874 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:05:42,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:05:42,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:05:42,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:05:42,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:05:40" (1/3) ... [2024-10-14 17:05:42,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b599df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:05:42, skipping insertion in model container [2024-10-14 17:05:42,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:05:41" (2/3) ... [2024-10-14 17:05:42,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b599df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:05:42, skipping insertion in model container [2024-10-14 17:05:42,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:05:42" (3/3) ... [2024-10-14 17:05:42,887 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2024-10-14 17:05:42,902 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:05:42,903 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-10-14 17:05:42,903 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:05:43,000 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 17:05:43,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 399 places, 400 transitions, 804 flow [2024-10-14 17:05:43,214 INFO L124 PetriNetUnfolderBase]: 5/399 cut-off events. [2024-10-14 17:05:43,214 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:43,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 399 events. 5/399 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 361 event pairs, 0 based on Foata normal form. 0/366 useless extension candidates. Maximal degree in co-relation 271. Up to 2 conditions per place. [2024-10-14 17:05:43,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 399 places, 400 transitions, 804 flow [2024-10-14 17:05:43,230 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 398 places, 399 transitions, 801 flow [2024-10-14 17:05:43,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:05:43,251 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;@34e33e21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:05:43,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-10-14 17:05:43,262 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:05:43,262 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-10-14 17:05:43,263 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:43,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:43,264 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:43,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:43,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:43,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1931643299, now seen corresponding path program 1 times [2024-10-14 17:05:43,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:43,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116921124] [2024-10-14 17:05:43,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:43,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:44,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:44,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116921124] [2024-10-14 17:05:44,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116921124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:44,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:44,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:44,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660122220] [2024-10-14 17:05:44,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:44,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:44,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:44,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:44,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:44,820 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 400 [2024-10-14 17:05:44,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 399 transitions, 801 flow. Second operand has 6 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 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) [2024-10-14 17:05:44,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:44,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 400 [2024-10-14 17:05:44,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:45,305 INFO L124 PetriNetUnfolderBase]: 365/1754 cut-off events. [2024-10-14 17:05:45,305 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 17:05:45,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2610 conditions, 1754 events. 365/1754 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9478 event pairs, 364 based on Foata normal form. 14/1631 useless extension candidates. Maximal degree in co-relation 2256. Up to 837 conditions per place. [2024-10-14 17:05:45,323 INFO L140 encePairwiseOnDemand]: 378/400 looper letters, 108 selfloop transitions, 15 changer transitions 2/392 dead transitions. [2024-10-14 17:05:45,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 392 transitions, 1033 flow [2024-10-14 17:05:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1750 transitions. [2024-10-14 17:05:45,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2024-10-14 17:05:45,353 INFO L175 Difference]: Start difference. First operand has 398 places, 399 transitions, 801 flow. Second operand 6 states and 1750 transitions. [2024-10-14 17:05:45,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 392 transitions, 1033 flow [2024-10-14 17:05:45,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 392 transitions, 1032 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:05:45,368 INFO L231 Difference]: Finished difference. Result has 399 places, 390 transitions, 812 flow [2024-10-14 17:05:45,372 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=812, PETRI_PLACES=399, PETRI_TRANSITIONS=390} [2024-10-14 17:05:45,377 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 1 predicate places. [2024-10-14 17:05:45,378 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 390 transitions, 812 flow [2024-10-14 17:05:45,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 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) [2024-10-14 17:05:45,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:45,380 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] [2024-10-14 17:05:45,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:05:45,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:45,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:45,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1456401831, now seen corresponding path program 1 times [2024-10-14 17:05:45,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:45,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039193388] [2024-10-14 17:05:45,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:45,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:45,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039193388] [2024-10-14 17:05:45,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039193388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:45,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:45,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:45,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428810075] [2024-10-14 17:05:45,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:45,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:45,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:45,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:46,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 400 [2024-10-14 17:05:46,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 390 transitions, 812 flow. Second operand has 6 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 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) [2024-10-14 17:05:46,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:46,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 400 [2024-10-14 17:05:46,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:46,730 INFO L124 PetriNetUnfolderBase]: 365/1749 cut-off events. [2024-10-14 17:05:46,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:46,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 1749 events. 365/1749 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9450 event pairs, 364 based on Foata normal form. 0/1617 useless extension candidates. Maximal degree in co-relation 2399. Up to 837 conditions per place. [2024-10-14 17:05:46,738 INFO L140 encePairwiseOnDemand]: 382/400 looper letters, 108 selfloop transitions, 15 changer transitions 0/387 dead transitions. [2024-10-14 17:05:46,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 387 transitions, 1052 flow [2024-10-14 17:05:46,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:46,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1746 transitions. [2024-10-14 17:05:46,742 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7275 [2024-10-14 17:05:46,742 INFO L175 Difference]: Start difference. First operand has 399 places, 390 transitions, 812 flow. Second operand 6 states and 1746 transitions. [2024-10-14 17:05:46,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 387 transitions, 1052 flow [2024-10-14 17:05:46,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 387 transitions, 1022 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:46,750 INFO L231 Difference]: Finished difference. Result has 394 places, 387 transitions, 806 flow [2024-10-14 17:05:46,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=387, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=806, PETRI_PLACES=394, PETRI_TRANSITIONS=387} [2024-10-14 17:05:46,751 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -4 predicate places. [2024-10-14 17:05:46,752 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 387 transitions, 806 flow [2024-10-14 17:05:46,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 271.3333333333333) internal successors, (1628), 6 states have internal predecessors, (1628), 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) [2024-10-14 17:05:46,753 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:46,753 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] [2024-10-14 17:05:46,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:05:46,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:46,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:46,754 INFO L85 PathProgramCache]: Analyzing trace with hash 658482092, now seen corresponding path program 1 times [2024-10-14 17:05:46,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:46,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434072855] [2024-10-14 17:05:46,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:47,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:47,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434072855] [2024-10-14 17:05:47,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434072855] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:47,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:47,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:47,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565450895] [2024-10-14 17:05:47,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:47,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:47,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:47,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:47,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:47,705 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 400 [2024-10-14 17:05:47,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 387 transitions, 806 flow. Second operand has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 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) [2024-10-14 17:05:47,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:47,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 400 [2024-10-14 17:05:47,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:48,124 INFO L124 PetriNetUnfolderBase]: 391/1837 cut-off events. [2024-10-14 17:05:48,125 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:05:48,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2764 conditions, 1837 events. 391/1837 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10255 event pairs, 390 based on Foata normal form. 0/1700 useless extension candidates. Maximal degree in co-relation 2525. Up to 903 conditions per place. [2024-10-14 17:05:48,133 INFO L140 encePairwiseOnDemand]: 394/400 looper letters, 122 selfloop transitions, 5 changer transitions 0/386 dead transitions. [2024-10-14 17:05:48,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 386 transitions, 1058 flow [2024-10-14 17:05:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1736 transitions. [2024-10-14 17:05:48,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7233333333333334 [2024-10-14 17:05:48,137 INFO L175 Difference]: Start difference. First operand has 394 places, 387 transitions, 806 flow. Second operand 6 states and 1736 transitions. [2024-10-14 17:05:48,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 386 transitions, 1058 flow [2024-10-14 17:05:48,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 386 transitions, 1028 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:48,145 INFO L231 Difference]: Finished difference. Result has 393 places, 386 transitions, 784 flow [2024-10-14 17:05:48,146 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=393, PETRI_TRANSITIONS=386} [2024-10-14 17:05:48,147 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -5 predicate places. [2024-10-14 17:05:48,147 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 386 transitions, 784 flow [2024-10-14 17:05:48,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 270.8333333333333) internal successors, (1625), 6 states have internal predecessors, (1625), 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) [2024-10-14 17:05:48,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:48,149 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] [2024-10-14 17:05:48,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:05:48,149 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:48,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:48,150 INFO L85 PathProgramCache]: Analyzing trace with hash 33748876, now seen corresponding path program 1 times [2024-10-14 17:05:48,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:48,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501705490] [2024-10-14 17:05:48,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:48,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:48,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:48,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501705490] [2024-10-14 17:05:48,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501705490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:48,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:48,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 17:05:48,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664525924] [2024-10-14 17:05:48,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:48,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:05:48,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:48,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:05:48,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:05:48,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 385 out of 400 [2024-10-14 17:05:48,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 386 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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) [2024-10-14 17:05:48,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:48,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 385 of 400 [2024-10-14 17:05:48,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:48,338 INFO L124 PetriNetUnfolderBase]: 7/571 cut-off events. [2024-10-14 17:05:48,338 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:48,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 571 events. 7/571 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 630 event pairs, 6 based on Foata normal form. 1/536 useless extension candidates. Maximal degree in co-relation 467. Up to 24 conditions per place. [2024-10-14 17:05:48,341 INFO L140 encePairwiseOnDemand]: 397/400 looper letters, 10 selfloop transitions, 2 changer transitions 0/387 dead transitions. [2024-10-14 17:05:48,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 387 transitions, 810 flow [2024-10-14 17:05:48,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:05:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:05:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1168 transitions. [2024-10-14 17:05:48,344 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9733333333333334 [2024-10-14 17:05:48,344 INFO L175 Difference]: Start difference. First operand has 393 places, 386 transitions, 784 flow. Second operand 3 states and 1168 transitions. [2024-10-14 17:05:48,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 387 transitions, 810 flow [2024-10-14 17:05:48,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 390 places, 387 transitions, 800 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:48,353 INFO L231 Difference]: Finished difference. Result has 391 places, 387 transitions, 786 flow [2024-10-14 17:05:48,353 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=786, PETRI_PLACES=391, PETRI_TRANSITIONS=387} [2024-10-14 17:05:48,354 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -7 predicate places. [2024-10-14 17:05:48,355 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 387 transitions, 786 flow [2024-10-14 17:05:48,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 386.3333333333333) internal successors, (1159), 3 states have internal predecessors, (1159), 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) [2024-10-14 17:05:48,356 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:48,356 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:48,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:05:48,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:48,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:48,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1537248548, now seen corresponding path program 1 times [2024-10-14 17:05:48,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:48,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398827936] [2024-10-14 17:05:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:48,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398827936] [2024-10-14 17:05:48,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398827936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:48,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:48,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626492668] [2024-10-14 17:05:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:48,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:48,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:48,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:49,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 400 [2024-10-14 17:05:49,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 387 transitions, 786 flow. Second operand has 6 states, 6 states have (on average 314.8333333333333) internal successors, (1889), 6 states have internal predecessors, (1889), 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) [2024-10-14 17:05:49,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:49,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 400 [2024-10-14 17:05:49,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:49,908 INFO L124 PetriNetUnfolderBase]: 55/812 cut-off events. [2024-10-14 17:05:49,909 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-14 17:05:49,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 812 events. 55/812 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2243 event pairs, 54 based on Foata normal form. 0/752 useless extension candidates. Maximal degree in co-relation 887. Up to 219 conditions per place. [2024-10-14 17:05:49,912 INFO L140 encePairwiseOnDemand]: 394/400 looper letters, 81 selfloop transitions, 5 changer transitions 0/386 dead transitions. [2024-10-14 17:05:49,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 386 transitions, 956 flow [2024-10-14 17:05:49,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1946 transitions. [2024-10-14 17:05:49,917 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8108333333333333 [2024-10-14 17:05:49,917 INFO L175 Difference]: Start difference. First operand has 391 places, 387 transitions, 786 flow. Second operand 6 states and 1946 transitions. [2024-10-14 17:05:49,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 386 transitions, 956 flow [2024-10-14 17:05:49,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 386 transitions, 954 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:05:49,924 INFO L231 Difference]: Finished difference. Result has 394 places, 386 transitions, 792 flow [2024-10-14 17:05:49,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=381, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=792, PETRI_PLACES=394, PETRI_TRANSITIONS=386} [2024-10-14 17:05:49,926 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -4 predicate places. [2024-10-14 17:05:49,926 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 386 transitions, 792 flow [2024-10-14 17:05:49,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.8333333333333) internal successors, (1889), 6 states have internal predecessors, (1889), 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) [2024-10-14 17:05:49,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:49,928 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:49,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:05:49,928 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:49,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:49,929 INFO L85 PathProgramCache]: Analyzing trace with hash 537033816, now seen corresponding path program 1 times [2024-10-14 17:05:49,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:49,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475064603] [2024-10-14 17:05:49,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:49,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:50,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:50,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:50,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475064603] [2024-10-14 17:05:50,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475064603] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:50,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:50,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:50,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798629714] [2024-10-14 17:05:50,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:50,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:50,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:50,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:50,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:51,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 293 out of 400 [2024-10-14 17:05:51,124 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 386 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 297.5) internal successors, (1785), 6 states have internal predecessors, (1785), 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) [2024-10-14 17:05:51,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:51,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 293 of 400 [2024-10-14 17:05:51,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:51,348 INFO L124 PetriNetUnfolderBase]: 37/725 cut-off events. [2024-10-14 17:05:51,348 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-14 17:05:51,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 954 conditions, 725 events. 37/725 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1739 event pairs, 36 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 755. Up to 190 conditions per place. [2024-10-14 17:05:51,351 INFO L140 encePairwiseOnDemand]: 382/400 looper letters, 85 selfloop transitions, 15 changer transitions 0/383 dead transitions. [2024-10-14 17:05:51,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 383 transitions, 986 flow [2024-10-14 17:05:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1861 transitions. [2024-10-14 17:05:51,355 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7754166666666666 [2024-10-14 17:05:51,356 INFO L175 Difference]: Start difference. First operand has 394 places, 386 transitions, 792 flow. Second operand 6 states and 1861 transitions. [2024-10-14 17:05:51,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 383 transitions, 986 flow [2024-10-14 17:05:51,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 383 transitions, 976 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:51,362 INFO L231 Difference]: Finished difference. Result has 391 places, 383 transitions, 806 flow [2024-10-14 17:05:51,363 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=776, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=806, PETRI_PLACES=391, PETRI_TRANSITIONS=383} [2024-10-14 17:05:51,363 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -7 predicate places. [2024-10-14 17:05:51,363 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 383 transitions, 806 flow [2024-10-14 17:05:51,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 297.5) internal successors, (1785), 6 states have internal predecessors, (1785), 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) [2024-10-14 17:05:51,365 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:51,365 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:51,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:05:51,365 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:51,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:51,366 INFO L85 PathProgramCache]: Analyzing trace with hash -531508732, now seen corresponding path program 1 times [2024-10-14 17:05:51,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:51,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204582562] [2024-10-14 17:05:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:51,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:51,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:51,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204582562] [2024-10-14 17:05:51,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204582562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:51,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:51,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:51,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099176814] [2024-10-14 17:05:51,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:51,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:51,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:51,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:51,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:52,380 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 400 [2024-10-14 17:05:52,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 383 transitions, 806 flow. Second operand has 6 states, 6 states have (on average 261.1666666666667) internal successors, (1567), 6 states have internal predecessors, (1567), 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) [2024-10-14 17:05:52,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:52,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 400 [2024-10-14 17:05:52,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:52,825 INFO L124 PetriNetUnfolderBase]: 365/1847 cut-off events. [2024-10-14 17:05:52,826 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:05:52,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2786 conditions, 1847 events. 365/1847 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9463 event pairs, 364 based on Foata normal form. 0/1723 useless extension candidates. Maximal degree in co-relation 2457. Up to 890 conditions per place. [2024-10-14 17:05:52,834 INFO L140 encePairwiseOnDemand]: 382/400 looper letters, 123 selfloop transitions, 15 changer transitions 0/380 dead transitions. [2024-10-14 17:05:52,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 380 transitions, 1076 flow [2024-10-14 17:05:52,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1671 transitions. [2024-10-14 17:05:52,838 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.69625 [2024-10-14 17:05:52,838 INFO L175 Difference]: Start difference. First operand has 391 places, 383 transitions, 806 flow. Second operand 6 states and 1671 transitions. [2024-10-14 17:05:52,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 380 transitions, 1076 flow [2024-10-14 17:05:52,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 380 transitions, 1046 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:52,845 INFO L231 Difference]: Finished difference. Result has 388 places, 380 transitions, 800 flow [2024-10-14 17:05:52,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=800, PETRI_PLACES=388, PETRI_TRANSITIONS=380} [2024-10-14 17:05:52,846 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -10 predicate places. [2024-10-14 17:05:52,846 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 380 transitions, 800 flow [2024-10-14 17:05:52,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 261.1666666666667) internal successors, (1567), 6 states have internal predecessors, (1567), 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) [2024-10-14 17:05:52,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:52,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:52,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:05:52,848 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:52,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:52,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1361222018, now seen corresponding path program 1 times [2024-10-14 17:05:52,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:52,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189554095] [2024-10-14 17:05:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:52,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:53,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:53,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189554095] [2024-10-14 17:05:53,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189554095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:53,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:05:53,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:05:53,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410776239] [2024-10-14 17:05:53,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:53,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:53,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:53,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:05:53,822 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 400 [2024-10-14 17:05:53,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 380 transitions, 800 flow. Second operand has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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) [2024-10-14 17:05:53,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:53,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 400 [2024-10-14 17:05:53,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:54,087 INFO L124 PetriNetUnfolderBase]: 365/1843 cut-off events. [2024-10-14 17:05:54,088 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:05:54,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2778 conditions, 1843 events. 365/1843 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9519 event pairs, 364 based on Foata normal form. 0/1723 useless extension candidates. Maximal degree in co-relation 2453. Up to 886 conditions per place. [2024-10-14 17:05:54,097 INFO L140 encePairwiseOnDemand]: 382/400 looper letters, 120 selfloop transitions, 15 changer transitions 0/377 dead transitions. [2024-10-14 17:05:54,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 377 transitions, 1064 flow [2024-10-14 17:05:54,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1686 transitions. [2024-10-14 17:05:54,102 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7025 [2024-10-14 17:05:54,102 INFO L175 Difference]: Start difference. First operand has 388 places, 380 transitions, 800 flow. Second operand 6 states and 1686 transitions. [2024-10-14 17:05:54,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 377 transitions, 1064 flow [2024-10-14 17:05:54,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 377 transitions, 1034 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:54,110 INFO L231 Difference]: Finished difference. Result has 385 places, 377 transitions, 794 flow [2024-10-14 17:05:54,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=794, PETRI_PLACES=385, PETRI_TRANSITIONS=377} [2024-10-14 17:05:54,113 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -13 predicate places. [2024-10-14 17:05:54,114 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 377 transitions, 794 flow [2024-10-14 17:05:54,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 264.6666666666667) internal successors, (1588), 6 states have internal predecessors, (1588), 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) [2024-10-14 17:05:54,115 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:54,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:54,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:05:54,116 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:54,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:54,119 INFO L85 PathProgramCache]: Analyzing trace with hash 302134078, now seen corresponding path program 1 times [2024-10-14 17:05:54,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:54,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122545434] [2024-10-14 17:05:54,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:54,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:54,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122545434] [2024-10-14 17:05:54,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122545434] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:05:54,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909661290] [2024-10-14 17:05:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:54,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:05:54,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 17:05:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:54,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 17:05:54,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:05:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:54,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:05:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:55,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909661290] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:05:55,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:05:55,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-14 17:05:55,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984907094] [2024-10-14 17:05:55,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:05:55,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 17:05:55,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:55,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 17:05:55,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 17:05:55,160 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 400 [2024-10-14 17:05:55,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 377 transitions, 794 flow. Second operand has 10 states, 10 states have (on average 383.8) internal successors, (3838), 10 states have internal predecessors, (3838), 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) [2024-10-14 17:05:55,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:55,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 400 [2024-10-14 17:05:55,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:55,314 INFO L124 PetriNetUnfolderBase]: 7/665 cut-off events. [2024-10-14 17:05:55,315 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:05:55,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 665 events. 7/665 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 397 event pairs, 6 based on Foata normal form. 2/645 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2024-10-14 17:05:55,317 INFO L140 encePairwiseOnDemand]: 394/400 looper letters, 14 selfloop transitions, 9 changer transitions 0/385 dead transitions. [2024-10-14 17:05:55,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 385 transitions, 858 flow [2024-10-14 17:05:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 17:05:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-14 17:05:55,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3463 transitions. [2024-10-14 17:05:55,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9619444444444445 [2024-10-14 17:05:55,324 INFO L175 Difference]: Start difference. First operand has 385 places, 377 transitions, 794 flow. Second operand 9 states and 3463 transitions. [2024-10-14 17:05:55,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 385 transitions, 858 flow [2024-10-14 17:05:55,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 385 transitions, 828 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:05:55,331 INFO L231 Difference]: Finished difference. Result has 391 places, 383 transitions, 814 flow [2024-10-14 17:05:55,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=371, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=814, PETRI_PLACES=391, PETRI_TRANSITIONS=383} [2024-10-14 17:05:55,333 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, -7 predicate places. [2024-10-14 17:05:55,333 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 383 transitions, 814 flow [2024-10-14 17:05:55,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 383.8) internal successors, (3838), 10 states have internal predecessors, (3838), 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) [2024-10-14 17:05:55,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:55,336 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:55,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 17:05:55,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:55,537 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:55,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:55,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1119428830, now seen corresponding path program 2 times [2024-10-14 17:05:55,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:55,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743486378] [2024-10-14 17:05:55,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:56,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:56,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743486378] [2024-10-14 17:05:56,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743486378] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:05:56,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14250714] [2024-10-14 17:05:56,187 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:05:56,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:56,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:56,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:05:56,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 17:05:56,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:05:56,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:05:56,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-14 17:05:56,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:05:56,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-14 17:05:56,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-14 17:05:56,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:05:56,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-14 17:05:56,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:05:56,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-14 17:05:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-14 17:05:56,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:05:56,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14250714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:05:56,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:05:56,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-10-14 17:05:56,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899761469] [2024-10-14 17:05:56,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:05:56,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:05:56,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:05:56,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:05:56,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-14 17:05:57,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 400 [2024-10-14 17:05:57,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 383 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 314.3333333333333) internal successors, (1886), 6 states have internal predecessors, (1886), 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) [2024-10-14 17:05:57,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:05:57,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 400 [2024-10-14 17:05:57,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:05:58,068 INFO L124 PetriNetUnfolderBase]: 257/1971 cut-off events. [2024-10-14 17:05:58,068 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-14 17:05:58,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 1971 events. 257/1971 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10081 event pairs, 34 based on Foata normal form. 0/1844 useless extension candidates. Maximal degree in co-relation 2222. Up to 515 conditions per place. [2024-10-14 17:05:58,078 INFO L140 encePairwiseOnDemand]: 371/400 looper letters, 91 selfloop transitions, 75 changer transitions 0/460 dead transitions. [2024-10-14 17:05:58,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 460 transitions, 1300 flow [2024-10-14 17:05:58,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:05:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:05:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2010 transitions. [2024-10-14 17:05:58,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8375 [2024-10-14 17:05:58,082 INFO L175 Difference]: Start difference. First operand has 391 places, 383 transitions, 814 flow. Second operand 6 states and 2010 transitions. [2024-10-14 17:05:58,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 460 transitions, 1300 flow [2024-10-14 17:05:58,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 460 transitions, 1294 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-14 17:05:58,090 INFO L231 Difference]: Finished difference. Result has 399 places, 451 transitions, 1288 flow [2024-10-14 17:05:58,090 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1288, PETRI_PLACES=399, PETRI_TRANSITIONS=451} [2024-10-14 17:05:58,091 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 1 predicate places. [2024-10-14 17:05:58,091 INFO L471 AbstractCegarLoop]: Abstraction has has 399 places, 451 transitions, 1288 flow [2024-10-14 17:05:58,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 314.3333333333333) internal successors, (1886), 6 states have internal predecessors, (1886), 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) [2024-10-14 17:05:58,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:05:58,105 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:05:58,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 17:05:58,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-14 17:05:58,308 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:05:58,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:05:58,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1477918480, now seen corresponding path program 1 times [2024-10-14 17:05:58,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:05:58,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658704127] [2024-10-14 17:05:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:58,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:05:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:58,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:05:58,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658704127] [2024-10-14 17:05:58,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658704127] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:05:58,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534745763] [2024-10-14 17:05:58,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:05:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:05:58,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:05:58,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:05:58,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 17:05:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:05:59,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-14 17:05:59,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:05:59,804 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:05:59,804 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:06:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:00,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534745763] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:06:00,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:06:00,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-14 17:06:00,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580909429] [2024-10-14 17:06:00,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:06:00,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 17:06:00,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:00,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 17:06:00,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-14 17:06:00,397 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 400 [2024-10-14 17:06:00,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 451 transitions, 1288 flow. Second operand has 18 states, 18 states have (on average 383.8888888888889) internal successors, (6910), 18 states have internal predecessors, (6910), 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) [2024-10-14 17:06:00,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:00,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 400 [2024-10-14 17:06:00,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:00,963 INFO L124 PetriNetUnfolderBase]: 120/2061 cut-off events. [2024-10-14 17:06:00,963 INFO L125 PetriNetUnfolderBase]: For 184/204 co-relation queries the response was YES. [2024-10-14 17:06:00,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2736 conditions, 2061 events. 120/2061 cut-off events. For 184/204 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7307 event pairs, 21 based on Foata normal form. 4/1977 useless extension candidates. Maximal degree in co-relation 1897. Up to 207 conditions per place. [2024-10-14 17:06:00,969 INFO L140 encePairwiseOnDemand]: 394/400 looper letters, 19 selfloop transitions, 21 changer transitions 0/469 dead transitions. [2024-10-14 17:06:00,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 469 transitions, 1456 flow [2024-10-14 17:06:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 17:06:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-14 17:06:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 8065 transitions. [2024-10-14 17:06:00,984 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9601190476190476 [2024-10-14 17:06:00,985 INFO L175 Difference]: Start difference. First operand has 399 places, 451 transitions, 1288 flow. Second operand 21 states and 8065 transitions. [2024-10-14 17:06:00,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 469 transitions, 1456 flow [2024-10-14 17:06:00,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 469 transitions, 1456 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:06:00,995 INFO L231 Difference]: Finished difference. Result has 424 places, 464 transitions, 1418 flow [2024-10-14 17:06:00,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=1288, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1418, PETRI_PLACES=424, PETRI_TRANSITIONS=464} [2024-10-14 17:06:00,997 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 26 predicate places. [2024-10-14 17:06:00,997 INFO L471 AbstractCegarLoop]: Abstraction has has 424 places, 464 transitions, 1418 flow [2024-10-14 17:06:00,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 383.8888888888889) internal successors, (6910), 18 states have internal predecessors, (6910), 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) [2024-10-14 17:06:00,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:01,000 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:01,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-14 17:06:01,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:01,201 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:06:01,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:01,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1431203256, now seen corresponding path program 2 times [2024-10-14 17:06:01,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:01,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371230178] [2024-10-14 17:06:01,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:03,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:03,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371230178] [2024-10-14 17:06:03,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371230178] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:06:03,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895202743] [2024-10-14 17:06:03,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 17:06:03,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:06:03,313 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:06:03,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 17:06:03,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-14 17:06:03,829 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 17:06:03,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-14 17:06:03,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:06:03,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-14 17:06:03,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-10-14 17:06:03,933 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:06:03,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-10-14 17:06:03,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 17:06:03,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-10-14 17:06:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2233 trivial. 0 not checked. [2024-10-14 17:06:04,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 17:06:04,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895202743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:04,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 17:06:04,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-14 17:06:04,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219748687] [2024-10-14 17:06:04,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:04,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:04,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:04,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:04,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-14 17:06:04,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2024-10-14 17:06:04,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 464 transitions, 1418 flow. Second operand has 6 states, 6 states have (on average 321.6666666666667) internal successors, (1930), 6 states have internal predecessors, (1930), 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) [2024-10-14 17:06:04,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:04,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2024-10-14 17:06:04,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:05,199 INFO L124 PetriNetUnfolderBase]: 182/2225 cut-off events. [2024-10-14 17:06:05,199 INFO L125 PetriNetUnfolderBase]: For 451/483 co-relation queries the response was YES. [2024-10-14 17:06:05,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3487 conditions, 2225 events. 182/2225 cut-off events. For 451/483 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9134 event pairs, 54 based on Foata normal form. 0/2123 useless extension candidates. Maximal degree in co-relation 2443. Up to 564 conditions per place. [2024-10-14 17:06:05,210 INFO L140 encePairwiseOnDemand]: 394/400 looper letters, 142 selfloop transitions, 5 changer transitions 0/463 dead transitions. [2024-10-14 17:06:05,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 463 transitions, 1710 flow [2024-10-14 17:06:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1961 transitions. [2024-10-14 17:06:05,215 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8170833333333334 [2024-10-14 17:06:05,215 INFO L175 Difference]: Start difference. First operand has 424 places, 464 transitions, 1418 flow. Second operand 6 states and 1961 transitions. [2024-10-14 17:06:05,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 463 transitions, 1710 flow [2024-10-14 17:06:05,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 463 transitions, 1686 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-14 17:06:05,228 INFO L231 Difference]: Finished difference. Result has 422 places, 463 transitions, 1402 flow [2024-10-14 17:06:05,229 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=1392, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=458, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1402, PETRI_PLACES=422, PETRI_TRANSITIONS=463} [2024-10-14 17:06:05,229 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 24 predicate places. [2024-10-14 17:06:05,229 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 463 transitions, 1402 flow [2024-10-14 17:06:05,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 321.6666666666667) internal successors, (1930), 6 states have internal predecessors, (1930), 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) [2024-10-14 17:06:05,231 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:05,234 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:05,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 17:06:05,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:05,435 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:06:05,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:05,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1958502046, now seen corresponding path program 1 times [2024-10-14 17:06:05,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:05,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800594148] [2024-10-14 17:06:05,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:07,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:07,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800594148] [2024-10-14 17:06:07,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800594148] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:06:07,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843880249] [2024-10-14 17:06:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:07,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:07,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:06:07,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:06:07,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 17:06:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:08,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 3540 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 17:06:08,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:06:09,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:09,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 17:06:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2233 backedges. 0 proven. 2233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:06:09,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843880249] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 17:06:09,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 17:06:09,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-10-14 17:06:09,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765557486] [2024-10-14 17:06:09,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 17:06:09,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 17:06:09,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:09,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 17:06:09,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-10-14 17:06:10,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 382 out of 400 [2024-10-14 17:06:10,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 463 transitions, 1402 flow. Second operand has 23 states, 23 states have (on average 384.0869565217391) internal successors, (8834), 23 states have internal predecessors, (8834), 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) [2024-10-14 17:06:10,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:10,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 382 of 400 [2024-10-14 17:06:10,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:10,941 INFO L124 PetriNetUnfolderBase]: 120/2378 cut-off events. [2024-10-14 17:06:10,941 INFO L125 PetriNetUnfolderBase]: For 301/321 co-relation queries the response was YES. [2024-10-14 17:06:10,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3134 conditions, 2378 events. 120/2378 cut-off events. For 301/321 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7309 event pairs, 21 based on Foata normal form. 3/2294 useless extension candidates. Maximal degree in co-relation 1908. Up to 207 conditions per place. [2024-10-14 17:06:10,950 INFO L140 encePairwiseOnDemand]: 394/400 looper letters, 22 selfloop transitions, 30 changer transitions 0/480 dead transitions. [2024-10-14 17:06:10,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 480 transitions, 1628 flow [2024-10-14 17:06:10,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-14 17:06:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-10-14 17:06:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 11514 transitions. [2024-10-14 17:06:10,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9595 [2024-10-14 17:06:10,964 INFO L175 Difference]: Start difference. First operand has 422 places, 463 transitions, 1402 flow. Second operand 30 states and 11514 transitions. [2024-10-14 17:06:10,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 480 transitions, 1628 flow [2024-10-14 17:06:10,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 480 transitions, 1618 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:06:10,975 INFO L231 Difference]: Finished difference. Result has 450 places, 473 transitions, 1544 flow [2024-10-14 17:06:10,975 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=1392, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1544, PETRI_PLACES=450, PETRI_TRANSITIONS=473} [2024-10-14 17:06:10,976 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 52 predicate places. [2024-10-14 17:06:11,056 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 473 transitions, 1544 flow [2024-10-14 17:06:11,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 384.0869565217391) internal successors, (8834), 23 states have internal predecessors, (8834), 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) [2024-10-14 17:06:11,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:11,059 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:11,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 17:06:11,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-14 17:06:11,260 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:06:11,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:11,262 INFO L85 PathProgramCache]: Analyzing trace with hash -272546892, now seen corresponding path program 2 times [2024-10-14 17:06:11,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:11,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584541545] [2024-10-14 17:06:11,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:11,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-10-14 17:06:14,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:14,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584541545] [2024-10-14 17:06:14,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584541545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:14,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:06:14,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:06:14,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677759154] [2024-10-14 17:06:14,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:14,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:14,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:14,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:14,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:06:15,235 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 400 [2024-10-14 17:06:15,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 473 transitions, 1544 flow. Second operand has 6 states, 6 states have (on average 323.1666666666667) internal successors, (1939), 6 states have internal predecessors, (1939), 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) [2024-10-14 17:06:15,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:15,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 400 [2024-10-14 17:06:15,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:16,256 INFO L124 PetriNetUnfolderBase]: 500/3447 cut-off events. [2024-10-14 17:06:16,257 INFO L125 PetriNetUnfolderBase]: For 942/1016 co-relation queries the response was YES. [2024-10-14 17:06:16,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5897 conditions, 3447 events. 500/3447 cut-off events. For 942/1016 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16105 event pairs, 92 based on Foata normal form. 16/3306 useless extension candidates. Maximal degree in co-relation 4390. Up to 1089 conditions per place. [2024-10-14 17:06:16,271 INFO L140 encePairwiseOnDemand]: 377/400 looper letters, 155 selfloop transitions, 130 changer transitions 0/610 dead transitions. [2024-10-14 17:06:16,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 610 transitions, 2764 flow [2024-10-14 17:06:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2039 transitions. [2024-10-14 17:06:16,274 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8495833333333334 [2024-10-14 17:06:16,274 INFO L175 Difference]: Start difference. First operand has 450 places, 473 transitions, 1544 flow. Second operand 6 states and 2039 transitions. [2024-10-14 17:06:16,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 610 transitions, 2764 flow [2024-10-14 17:06:16,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 610 transitions, 2718 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-10-14 17:06:16,287 INFO L231 Difference]: Finished difference. Result has 442 places, 602 transitions, 2726 flow [2024-10-14 17:06:16,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=1498, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=473, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2726, PETRI_PLACES=442, PETRI_TRANSITIONS=602} [2024-10-14 17:06:16,288 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 44 predicate places. [2024-10-14 17:06:16,288 INFO L471 AbstractCegarLoop]: Abstraction has has 442 places, 602 transitions, 2726 flow [2024-10-14 17:06:16,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.1666666666667) internal successors, (1939), 6 states have internal predecessors, (1939), 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) [2024-10-14 17:06:16,289 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:16,289 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:16,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:06:16,289 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:06:16,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:16,290 INFO L85 PathProgramCache]: Analyzing trace with hash 88473204, now seen corresponding path program 1 times [2024-10-14 17:06:16,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:16,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924899997] [2024-10-14 17:06:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:16,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-10-14 17:06:19,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:19,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924899997] [2024-10-14 17:06:19,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924899997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:19,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:06:19,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:06:19,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892106445] [2024-10-14 17:06:19,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:19,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:19,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:19,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:06:20,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 400 [2024-10-14 17:06:20,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 602 transitions, 2726 flow. Second operand has 6 states, 6 states have (on average 322.5) internal successors, (1935), 6 states have internal predecessors, (1935), 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) [2024-10-14 17:06:20,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:20,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 400 [2024-10-14 17:06:20,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:21,447 INFO L124 PetriNetUnfolderBase]: 776/4218 cut-off events. [2024-10-14 17:06:21,447 INFO L125 PetriNetUnfolderBase]: For 3351/3539 co-relation queries the response was YES. [2024-10-14 17:06:21,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8760 conditions, 4218 events. 776/4218 cut-off events. For 3351/3539 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22257 event pairs, 65 based on Foata normal form. 52/4105 useless extension candidates. Maximal degree in co-relation 7270. Up to 1348 conditions per place. [2024-10-14 17:06:21,463 INFO L140 encePairwiseOnDemand]: 377/400 looper letters, 276 selfloop transitions, 131 changer transitions 5/740 dead transitions. [2024-10-14 17:06:21,464 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 740 transitions, 4450 flow [2024-10-14 17:06:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2035 transitions. [2024-10-14 17:06:21,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8479166666666667 [2024-10-14 17:06:21,466 INFO L175 Difference]: Start difference. First operand has 442 places, 602 transitions, 2726 flow. Second operand 6 states and 2035 transitions. [2024-10-14 17:06:21,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 740 transitions, 4450 flow [2024-10-14 17:06:21,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 740 transitions, 4450 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 17:06:21,482 INFO L231 Difference]: Finished difference. Result has 452 places, 730 transitions, 4206 flow [2024-10-14 17:06:21,483 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=2726, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=564, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4206, PETRI_PLACES=452, PETRI_TRANSITIONS=730} [2024-10-14 17:06:21,484 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 54 predicate places. [2024-10-14 17:06:21,484 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 730 transitions, 4206 flow [2024-10-14 17:06:21,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 322.5) internal successors, (1935), 6 states have internal predecessors, (1935), 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) [2024-10-14 17:06:21,485 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:21,485 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:21,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:06:21,485 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:06:21,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:21,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1859585839, now seen corresponding path program 1 times [2024-10-14 17:06:21,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:21,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404708656] [2024-10-14 17:06:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:21,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4780 trivial. 0 not checked. [2024-10-14 17:06:24,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:24,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404708656] [2024-10-14 17:06:24,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404708656] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:06:24,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:06:24,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:06:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212203953] [2024-10-14 17:06:24,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:06:24,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:06:24,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:06:24,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:06:24,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:06:25,123 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 400 [2024-10-14 17:06:25,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 730 transitions, 4206 flow. Second operand has 6 states, 6 states have (on average 290.3333333333333) internal successors, (1742), 6 states have internal predecessors, (1742), 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) [2024-10-14 17:06:25,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:06:25,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 400 [2024-10-14 17:06:25,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:06:27,088 INFO L124 PetriNetUnfolderBase]: 1308/5616 cut-off events. [2024-10-14 17:06:27,088 INFO L125 PetriNetUnfolderBase]: For 4855/4912 co-relation queries the response was YES. [2024-10-14 17:06:27,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13545 conditions, 5616 events. 1308/5616 cut-off events. For 4855/4912 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33881 event pairs, 369 based on Foata normal form. 11/5382 useless extension candidates. Maximal degree in co-relation 11971. Up to 2589 conditions per place. [2024-10-14 17:06:27,131 INFO L140 encePairwiseOnDemand]: 381/400 looper letters, 356 selfloop transitions, 84 changer transitions 0/809 dead transitions. [2024-10-14 17:06:27,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 809 transitions, 5484 flow [2024-10-14 17:06:27,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:06:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:06:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1838 transitions. [2024-10-14 17:06:27,133 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7658333333333334 [2024-10-14 17:06:27,133 INFO L175 Difference]: Start difference. First operand has 452 places, 730 transitions, 4206 flow. Second operand 6 states and 1838 transitions. [2024-10-14 17:06:27,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 809 transitions, 5484 flow [2024-10-14 17:06:27,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 456 places, 809 transitions, 5230 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-10-14 17:06:27,165 INFO L231 Difference]: Finished difference. Result has 461 places, 801 transitions, 4742 flow [2024-10-14 17:06:27,166 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=400, PETRI_DIFFERENCE_MINUEND_FLOW=3958, PETRI_DIFFERENCE_MINUEND_PLACES=451, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4742, PETRI_PLACES=461, PETRI_TRANSITIONS=801} [2024-10-14 17:06:27,167 INFO L277 CegarLoopForPetriNet]: 398 programPoint places, 63 predicate places. [2024-10-14 17:06:27,167 INFO L471 AbstractCegarLoop]: Abstraction has has 461 places, 801 transitions, 4742 flow [2024-10-14 17:06:27,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 290.3333333333333) internal successors, (1742), 6 states have internal predecessors, (1742), 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) [2024-10-14 17:06:27,168 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:06:27,168 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:06:27,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:06:27,168 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-10-14 17:06:27,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:06:27,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1889045662, now seen corresponding path program 1 times [2024-10-14 17:06:27,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:06:27,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796314382] [2024-10-14 17:06:27,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:27,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:06:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4780 backedges. 0 proven. 2818 refuted. 0 times theorem prover too weak. 1962 trivial. 0 not checked. [2024-10-14 17:06:48,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:06:48,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796314382] [2024-10-14 17:06:48,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796314382] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 17:06:48,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710531734] [2024-10-14 17:06:48,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:06:48,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 17:06:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:06:48,490 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 17:06:48,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 17:06:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:06:50,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 4854 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-10-14 17:06:50,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 17:06:50,354 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-10-14 17:06:50,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-10-14 17:06:50,845 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-10-14 17:06:50,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-10-14 17:06:51,598 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-10-14 17:06:51,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-10-14 17:06:51,947 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2024-10-14 17:06:51,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22