./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.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 b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:50:51,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:50:51,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:50:51,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:50:51,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:50:51,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:50:51,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:50:51,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:50:51,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:50:51,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:50:51,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:50:51,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:50:51,943 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:50:51,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:50:51,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:50:51,946 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:50:51,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:50:51,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:50:51,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:50:51,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:50:51,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:50:51,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:50:51,952 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:50:51,952 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:50:51,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:50:51,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:50:51,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:50:51,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:50:51,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:50:51,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:50:51,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:50:51,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:51,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:50:51,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:50:51,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:50:51,955 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:50:51,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:50:51,956 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:50:51,956 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:50:51,957 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:50:51,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:50:51,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b29c7049a333b10d890b8afae901738020ed1f084c2a7d471b316f0abdba3430 [2024-11-19 05:50:52,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:50:52,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:50:52,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:50:52,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:50:52,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:50:52,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2024-11-19 05:50:53,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:50:53,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:50:53,986 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_17-arrayloop_nr.i [2024-11-19 05:50:54,001 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641b02e69/d3dd076e87c34e7a8467a26e62c6998e/FLAG2964354a2 [2024-11-19 05:50:54,022 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641b02e69/d3dd076e87c34e7a8467a26e62c6998e [2024-11-19 05:50:54,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:50:54,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:50:54,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:54,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:50:54,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:50:54,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b401b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54, skipping insertion in model container [2024-11-19 05:50:54,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:50:54,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:54,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:50:54,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:50:54,744 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:50:54,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54 WrapperNode [2024-11-19 05:50:54,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:50:54,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:54,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:50:54,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:50:54,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,843 INFO L138 Inliner]: procedures = 370, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 292 [2024-11-19 05:50:54,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:50:54,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:50:54,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:50:54,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:50:54,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,917 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,929 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:50:54,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:50:54,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:50:54,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:50:54,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (1/1) ... [2024-11-19 05:50:54,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:50:54,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:50:54,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:50:54,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:50:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:50:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-19 05:50:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:50:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:50:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:50:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:50:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:50:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:50:55,024 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:50:55,144 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:50:55,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:50:55,563 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:50:55,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:50:55,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:50:55,594 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 05:50:55,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:55 BoogieIcfgContainer [2024-11-19 05:50:55,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:50:55,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:50:55,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:50:55,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:50:55,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:50:54" (1/3) ... [2024-11-19 05:50:55,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da4dbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:55, skipping insertion in model container [2024-11-19 05:50:55,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:50:54" (2/3) ... [2024-11-19 05:50:55,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da4dbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:50:55, skipping insertion in model container [2024-11-19 05:50:55,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:50:55" (3/3) ... [2024-11-19 05:50:55,602 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_17-arrayloop_nr.i [2024-11-19 05:50:55,615 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:50:55,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-19 05:50:55,615 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:50:55,710 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:50:55,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 324 transitions, 652 flow [2024-11-19 05:50:55,946 INFO L124 PetriNetUnfolderBase]: 6/323 cut-off events. [2024-11-19 05:50:55,947 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:55,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 323 events. 6/323 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 416 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 201. Up to 2 conditions per place. [2024-11-19 05:50:55,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 324 transitions, 652 flow [2024-11-19 05:50:55,967 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 323 transitions, 649 flow [2024-11-19 05:50:55,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:50:55,986 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;@79be3c7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:50:55,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-19 05:50:56,015 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:50:56,015 INFO L124 PetriNetUnfolderBase]: 3/123 cut-off events. [2024-11-19 05:50:56,015 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:50:56,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:56,016 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] [2024-11-19 05:50:56,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:56,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:56,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1517131515, now seen corresponding path program 1 times [2024-11-19 05:50:56,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:56,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803079123] [2024-11-19 05:50:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:56,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:57,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803079123] [2024-11-19 05:50:57,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803079123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:57,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:57,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:57,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495478844] [2024-11-19 05:50:57,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:57,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:57,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:57,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:57,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:57,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 324 [2024-11-19 05:50:57,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 649 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:57,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:57,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 324 [2024-11-19 05:50:57,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:58,699 INFO L124 PetriNetUnfolderBase]: 1265/4916 cut-off events. [2024-11-19 05:50:58,700 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:50:58,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7460 conditions, 4916 events. 1265/4916 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 36222 event pairs, 912 based on Foata normal form. 137/4643 useless extension candidates. Maximal degree in co-relation 7320. Up to 2359 conditions per place. [2024-11-19 05:50:58,777 INFO L140 encePairwiseOnDemand]: 284/324 looper letters, 84 selfloop transitions, 107 changer transitions 0/428 dead transitions. [2024-11-19 05:50:58,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 428 transitions, 1241 flow [2024-11-19 05:50:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:50:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:50:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1628 transitions. [2024-11-19 05:50:58,798 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8374485596707819 [2024-11-19 05:50:58,799 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 649 flow. Second operand 6 states and 1628 transitions. [2024-11-19 05:50:58,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 428 transitions, 1241 flow [2024-11-19 05:50:58,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 428 transitions, 1240 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:50:58,814 INFO L231 Difference]: Finished difference. Result has 329 places, 420 transitions, 1330 flow [2024-11-19 05:50:58,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1330, PETRI_PLACES=329, PETRI_TRANSITIONS=420} [2024-11-19 05:50:58,821 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 8 predicate places. [2024-11-19 05:50:58,821 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 420 transitions, 1330 flow [2024-11-19 05:50:58,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:58,822 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:58,823 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] [2024-11-19 05:50:58,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:50:58,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:50:58,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1242346274, now seen corresponding path program 1 times [2024-11-19 05:50:58,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:58,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551890055] [2024-11-19 05:50:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:59,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:59,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551890055] [2024-11-19 05:50:59,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551890055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:59,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:59,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:50:59,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184218128] [2024-11-19 05:50:59,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:59,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:50:59,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:59,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:50:59,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:50:59,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 324 [2024-11-19 05:50:59,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 420 transitions, 1330 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:50:59,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:59,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 324 [2024-11-19 05:50:59,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:00,484 INFO L124 PetriNetUnfolderBase]: 1531/5800 cut-off events. [2024-11-19 05:51:00,485 INFO L125 PetriNetUnfolderBase]: For 1217/1220 co-relation queries the response was YES. [2024-11-19 05:51:00,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10592 conditions, 5800 events. 1531/5800 cut-off events. For 1217/1220 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 44183 event pairs, 936 based on Foata normal form. 0/5357 useless extension candidates. Maximal degree in co-relation 10439. Up to 2637 conditions per place. [2024-11-19 05:51:00,509 INFO L140 encePairwiseOnDemand]: 287/324 looper letters, 180 selfloop transitions, 107 changer transitions 0/528 dead transitions. [2024-11-19 05:51:00,510 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 528 transitions, 2312 flow [2024-11-19 05:51:00,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1621 transitions. [2024-11-19 05:51:00,513 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8338477366255144 [2024-11-19 05:51:00,513 INFO L175 Difference]: Start difference. First operand has 329 places, 420 transitions, 1330 flow. Second operand 6 states and 1621 transitions. [2024-11-19 05:51:00,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 528 transitions, 2312 flow [2024-11-19 05:51:00,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 528 transitions, 2312 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:00,530 INFO L231 Difference]: Finished difference. Result has 338 places, 520 transitions, 2210 flow [2024-11-19 05:51:00,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2210, PETRI_PLACES=338, PETRI_TRANSITIONS=520} [2024-11-19 05:51:00,532 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 17 predicate places. [2024-11-19 05:51:00,532 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 520 transitions, 2210 flow [2024-11-19 05:51:00,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:00,533 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:00,534 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] [2024-11-19 05:51:00,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:51:00,534 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:00,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:00,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1480117607, now seen corresponding path program 1 times [2024-11-19 05:51:00,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:00,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655654244] [2024-11-19 05:51:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:00,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:00,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:00,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655654244] [2024-11-19 05:51:00,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655654244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:00,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:00,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 05:51:00,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573164097] [2024-11-19 05:51:00,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:00,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:51:00,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:00,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:51:00,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:51:00,675 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 324 [2024-11-19 05:51:00,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 520 transitions, 2210 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:00,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:00,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 324 [2024-11-19 05:51:00,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:01,383 INFO L124 PetriNetUnfolderBase]: 1081/4426 cut-off events. [2024-11-19 05:51:01,383 INFO L125 PetriNetUnfolderBase]: For 1106/1112 co-relation queries the response was YES. [2024-11-19 05:51:01,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 4426 events. 1081/4426 cut-off events. For 1106/1112 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28552 event pairs, 108 based on Foata normal form. 4/4184 useless extension candidates. Maximal degree in co-relation 8615. Up to 1137 conditions per place. [2024-11-19 05:51:01,408 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 16 selfloop transitions, 4 changer transitions 0/526 dead transitions. [2024-11-19 05:51:01,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 526 transitions, 2262 flow [2024-11-19 05:51:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:51:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:51:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-11-19 05:51:01,411 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970164609053498 [2024-11-19 05:51:01,411 INFO L175 Difference]: Start difference. First operand has 338 places, 520 transitions, 2210 flow. Second operand 3 states and 943 transitions. [2024-11-19 05:51:01,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 526 transitions, 2262 flow [2024-11-19 05:51:01,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 526 transitions, 2070 flow, removed 96 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:01,430 INFO L231 Difference]: Finished difference. Result has 341 places, 522 transitions, 2042 flow [2024-11-19 05:51:01,431 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2018, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2042, PETRI_PLACES=341, PETRI_TRANSITIONS=522} [2024-11-19 05:51:01,432 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 20 predicate places. [2024-11-19 05:51:01,432 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 522 transitions, 2042 flow [2024-11-19 05:51:01,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:01,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:01,433 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] [2024-11-19 05:51:01,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:51:01,433 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:01,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:01,434 INFO L85 PathProgramCache]: Analyzing trace with hash 616109971, now seen corresponding path program 1 times [2024-11-19 05:51:01,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:01,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358729771] [2024-11-19 05:51:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:01,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:01,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:01,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:01,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358729771] [2024-11-19 05:51:01,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358729771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:01,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:01,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:01,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240816399] [2024-11-19 05:51:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:01,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:01,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:01,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:01,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:02,239 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 324 [2024-11-19 05:51:02,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 522 transitions, 2042 flow. Second operand has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:02,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:02,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 324 [2024-11-19 05:51:02,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:04,060 INFO L124 PetriNetUnfolderBase]: 2970/10686 cut-off events. [2024-11-19 05:51:04,060 INFO L125 PetriNetUnfolderBase]: For 6020/6123 co-relation queries the response was YES. [2024-11-19 05:51:04,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23742 conditions, 10686 events. 2970/10686 cut-off events. For 6020/6123 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 84581 event pairs, 1872 based on Foata normal form. 0/10145 useless extension candidates. Maximal degree in co-relation 23486. Up to 5591 conditions per place. [2024-11-19 05:51:04,121 INFO L140 encePairwiseOnDemand]: 318/324 looper letters, 285 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2024-11-19 05:51:04,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 521 transitions, 2620 flow [2024-11-19 05:51:04,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:04,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1471 transitions. [2024-11-19 05:51:04,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7566872427983539 [2024-11-19 05:51:04,125 INFO L175 Difference]: Start difference. First operand has 341 places, 522 transitions, 2042 flow. Second operand 6 states and 1471 transitions. [2024-11-19 05:51:04,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 521 transitions, 2620 flow [2024-11-19 05:51:04,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 521 transitions, 2616 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:51:04,140 INFO L231 Difference]: Finished difference. Result has 344 places, 521 transitions, 2046 flow [2024-11-19 05:51:04,140 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2046, PETRI_PLACES=344, PETRI_TRANSITIONS=521} [2024-11-19 05:51:04,141 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 23 predicate places. [2024-11-19 05:51:04,141 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 521 transitions, 2046 flow [2024-11-19 05:51:04,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:04,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:04,142 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] [2024-11-19 05:51:04,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:51:04,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:04,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:04,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1559395517, now seen corresponding path program 1 times [2024-11-19 05:51:04,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:04,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361741755] [2024-11-19 05:51:04,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:04,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:04,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361741755] [2024-11-19 05:51:04,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361741755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:51:04,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413515435] [2024-11-19 05:51:04,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:04,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:04,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:51:04,240 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) [2024-11-19 05:51:04,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 05:51:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:04,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 05:51:04,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:51:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:04,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:51:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:04,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413515435] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:51:04,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:51:04,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 05:51:04,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956748464] [2024-11-19 05:51:04,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:51:04,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 05:51:04,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:04,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 05:51:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 05:51:04,696 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324 [2024-11-19 05:51:04,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 521 transitions, 2046 flow. Second operand has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:04,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:04,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324 [2024-11-19 05:51:04,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:05,485 INFO L124 PetriNetUnfolderBase]: 1095/4581 cut-off events. [2024-11-19 05:51:05,486 INFO L125 PetriNetUnfolderBase]: For 683/689 co-relation queries the response was YES. [2024-11-19 05:51:05,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8884 conditions, 4581 events. 1095/4581 cut-off events. For 683/689 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 29144 event pairs, 106 based on Foata normal form. 2/4327 useless extension candidates. Maximal degree in co-relation 8588. Up to 922 conditions per place. [2024-11-19 05:51:05,503 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 22 selfloop transitions, 13 changer transitions 0/536 dead transitions. [2024-11-19 05:51:05,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 536 transitions, 2148 flow [2024-11-19 05:51:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 05:51:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 05:51:05,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2764 transitions. [2024-11-19 05:51:05,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478737997256516 [2024-11-19 05:51:05,507 INFO L175 Difference]: Start difference. First operand has 344 places, 521 transitions, 2046 flow. Second operand 9 states and 2764 transitions. [2024-11-19 05:51:05,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 536 transitions, 2148 flow [2024-11-19 05:51:05,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 536 transitions, 2138 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:51:05,519 INFO L231 Difference]: Finished difference. Result has 350 places, 528 transitions, 2104 flow [2024-11-19 05:51:05,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2104, PETRI_PLACES=350, PETRI_TRANSITIONS=528} [2024-11-19 05:51:05,520 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 29 predicate places. [2024-11-19 05:51:05,520 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 528 transitions, 2104 flow [2024-11-19 05:51:05,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:05,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:05,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:05,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 05:51:05,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:05,723 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:05,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash 494578627, now seen corresponding path program 2 times [2024-11-19 05:51:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:05,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232141194] [2024-11-19 05:51:05,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:51:05,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:05,765 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:51:05,766 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:06,057 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-19 05:51:06,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:06,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232141194] [2024-11-19 05:51:06,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232141194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:06,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:06,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:06,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636394625] [2024-11-19 05:51:06,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:06,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:06,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:06,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:06,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:06,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 324 [2024-11-19 05:51:06,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 528 transitions, 2104 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:06,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:06,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 324 [2024-11-19 05:51:06,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:10,215 INFO L124 PetriNetUnfolderBase]: 3572/12304 cut-off events. [2024-11-19 05:51:10,215 INFO L125 PetriNetUnfolderBase]: For 5280/5362 co-relation queries the response was YES. [2024-11-19 05:51:10,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26818 conditions, 12304 events. 3572/12304 cut-off events. For 5280/5362 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 97915 event pairs, 1616 based on Foata normal form. 0/11548 useless extension candidates. Maximal degree in co-relation 26484. Up to 6064 conditions per place. [2024-11-19 05:51:10,492 INFO L140 encePairwiseOnDemand]: 281/324 looper letters, 245 selfloop transitions, 170 changer transitions 0/697 dead transitions. [2024-11-19 05:51:10,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 697 transitions, 3412 flow [2024-11-19 05:51:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:10,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-19 05:51:10,504 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218 [2024-11-19 05:51:10,504 INFO L175 Difference]: Start difference. First operand has 350 places, 528 transitions, 2104 flow. Second operand 6 states and 1684 transitions. [2024-11-19 05:51:10,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 697 transitions, 3412 flow [2024-11-19 05:51:10,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 697 transitions, 3402 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-19 05:51:10,544 INFO L231 Difference]: Finished difference. Result has 359 places, 689 transitions, 3344 flow [2024-11-19 05:51:10,545 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3344, PETRI_PLACES=359, PETRI_TRANSITIONS=689} [2024-11-19 05:51:10,546 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 38 predicate places. [2024-11-19 05:51:10,546 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 689 transitions, 3344 flow [2024-11-19 05:51:10,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:10,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:10,548 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:10,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:51:10,548 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:10,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:10,549 INFO L85 PathProgramCache]: Analyzing trace with hash -76154808, now seen corresponding path program 1 times [2024-11-19 05:51:10,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:10,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606510684] [2024-11-19 05:51:10,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:10,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:10,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606510684] [2024-11-19 05:51:10,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606510684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:51:10,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004561446] [2024-11-19 05:51:10,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:10,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:10,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:51:10,903 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) [2024-11-19 05:51:10,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 05:51:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:11,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 05:51:11,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:51:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:11,386 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:51:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:11,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004561446] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:51:11,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:51:11,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-19 05:51:11,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760697965] [2024-11-19 05:51:11,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:51:11,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 05:51:11,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:11,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 05:51:11,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-19 05:51:11,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324 [2024-11-19 05:51:12,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 689 transitions, 3344 flow. Second operand has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:12,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:12,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324 [2024-11-19 05:51:12,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:14,150 INFO L124 PetriNetUnfolderBase]: 1777/6922 cut-off events. [2024-11-19 05:51:14,151 INFO L125 PetriNetUnfolderBase]: For 3172/3271 co-relation queries the response was YES. [2024-11-19 05:51:14,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16027 conditions, 6922 events. 1777/6922 cut-off events. For 3172/3271 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 48045 event pairs, 163 based on Foata normal form. 4/6621 useless extension candidates. Maximal degree in co-relation 15426. Up to 1392 conditions per place. [2024-11-19 05:51:14,205 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 26 selfloop transitions, 25 changer transitions 0/713 dead transitions. [2024-11-19 05:51:14,206 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 713 transitions, 3546 flow [2024-11-19 05:51:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 05:51:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 05:51:14,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6418 transitions. [2024-11-19 05:51:14,218 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9432686654908877 [2024-11-19 05:51:14,218 INFO L175 Difference]: Start difference. First operand has 359 places, 689 transitions, 3344 flow. Second operand 21 states and 6418 transitions. [2024-11-19 05:51:14,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 713 transitions, 3546 flow [2024-11-19 05:51:14,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 713 transitions, 3510 flow, removed 18 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:14,268 INFO L231 Difference]: Finished difference. Result has 384 places, 702 transitions, 3452 flow [2024-11-19 05:51:14,269 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=3308, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3452, PETRI_PLACES=384, PETRI_TRANSITIONS=702} [2024-11-19 05:51:14,269 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 63 predicate places. [2024-11-19 05:51:14,270 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 702 transitions, 3452 flow [2024-11-19 05:51:14,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:14,273 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:14,273 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:14,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 05:51:14,477 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,SelfDestructingSolverStorable6 [2024-11-19 05:51:14,478 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:14,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:14,482 INFO L85 PathProgramCache]: Analyzing trace with hash -185603768, now seen corresponding path program 2 times [2024-11-19 05:51:14,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:14,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935534669] [2024-11-19 05:51:14,482 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:51:14,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:14,551 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:51:14,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2024-11-19 05:51:14,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:14,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935534669] [2024-11-19 05:51:14,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935534669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:14,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:14,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:51:14,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220597185] [2024-11-19 05:51:14,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:14,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:51:14,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:14,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:51:14,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:51:15,326 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 324 [2024-11-19 05:51:15,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 702 transitions, 3452 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:15,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:15,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 324 [2024-11-19 05:51:15,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:20,093 INFO L124 PetriNetUnfolderBase]: 4263/14675 cut-off events. [2024-11-19 05:51:20,094 INFO L125 PetriNetUnfolderBase]: For 10453/10598 co-relation queries the response was YES. [2024-11-19 05:51:20,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37006 conditions, 14675 events. 4263/14675 cut-off events. For 10453/10598 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 119280 event pairs, 1677 based on Foata normal form. 0/13875 useless extension candidates. Maximal degree in co-relation 36312. Up to 6897 conditions per place. [2024-11-19 05:51:20,222 INFO L140 encePairwiseOnDemand]: 281/324 looper letters, 395 selfloop transitions, 170 changer transitions 0/871 dead transitions. [2024-11-19 05:51:20,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 871 transitions, 5360 flow [2024-11-19 05:51:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:51:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:51:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2024-11-19 05:51:20,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8662551440329218 [2024-11-19 05:51:20,226 INFO L175 Difference]: Start difference. First operand has 384 places, 702 transitions, 3452 flow. Second operand 6 states and 1684 transitions. [2024-11-19 05:51:20,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 871 transitions, 5360 flow [2024-11-19 05:51:20,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 871 transitions, 5334 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-19 05:51:20,286 INFO L231 Difference]: Finished difference. Result has 388 places, 863 transitions, 4976 flow [2024-11-19 05:51:20,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4976, PETRI_PLACES=388, PETRI_TRANSITIONS=863} [2024-11-19 05:51:20,288 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 67 predicate places. [2024-11-19 05:51:20,288 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 863 transitions, 4976 flow [2024-11-19 05:51:20,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:20,289 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:20,289 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:20,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:51:20,289 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:20,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:20,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1059321477, now seen corresponding path program 1 times [2024-11-19 05:51:20,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:20,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299056751] [2024-11-19 05:51:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:20,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:21,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:21,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299056751] [2024-11-19 05:51:21,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299056751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 05:51:21,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144519807] [2024-11-19 05:51:21,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:51:21,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:21,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:51:21,414 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) [2024-11-19 05:51:21,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 05:51:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:51:21,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 05:51:21,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 05:51:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:21,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 05:51:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:51:22,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144519807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 05:51:22,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 05:51:22,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-19 05:51:22,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683002712] [2024-11-19 05:51:22,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 05:51:22,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 05:51:22,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:22,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 05:51:22,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 05:51:22,757 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 324 [2024-11-19 05:51:22,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 863 transitions, 4976 flow. Second operand has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:22,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:22,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 324 [2024-11-19 05:51:22,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:25,728 INFO L124 PetriNetUnfolderBase]: 2478/9371 cut-off events. [2024-11-19 05:51:25,729 INFO L125 PetriNetUnfolderBase]: For 7419/7565 co-relation queries the response was YES. [2024-11-19 05:51:25,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24560 conditions, 9371 events. 2478/9371 cut-off events. For 7419/7565 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 68753 event pairs, 229 based on Foata normal form. 3/9000 useless extension candidates. Maximal degree in co-relation 23696. Up to 2110 conditions per place. [2024-11-19 05:51:25,806 INFO L140 encePairwiseOnDemand]: 315/324 looper letters, 29 selfloop transitions, 34 changer transitions 0/886 dead transitions. [2024-11-19 05:51:25,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 886 transitions, 5236 flow [2024-11-19 05:51:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 05:51:25,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-19 05:51:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9156 transitions. [2024-11-19 05:51:25,822 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419753086419753 [2024-11-19 05:51:25,822 INFO L175 Difference]: Start difference. First operand has 388 places, 863 transitions, 4976 flow. Second operand 30 states and 9156 transitions. [2024-11-19 05:51:25,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 886 transitions, 5236 flow [2024-11-19 05:51:26,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 886 transitions, 4900 flow, removed 168 selfloop flow, removed 0 redundant places. [2024-11-19 05:51:26,079 INFO L231 Difference]: Finished difference. Result has 421 places, 873 transitions, 4806 flow [2024-11-19 05:51:26,080 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=4640, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4806, PETRI_PLACES=421, PETRI_TRANSITIONS=873} [2024-11-19 05:51:26,087 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 100 predicate places. [2024-11-19 05:51:26,087 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 873 transitions, 4806 flow [2024-11-19 05:51:26,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:26,090 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:26,090 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:26,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 05:51:26,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 05:51:26,296 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:26,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash 359516673, now seen corresponding path program 2 times [2024-11-19 05:51:26,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:26,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820272485] [2024-11-19 05:51:26,296 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:51:26,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:26,423 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:51:26,424 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:26,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:26,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:26,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820272485] [2024-11-19 05:51:26,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820272485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:26,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:26,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:26,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838312225] [2024-11-19 05:51:26,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:26,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:26,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:26,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:26,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:28,209 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:28,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 873 transitions, 4806 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:28,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:28,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:28,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:33,764 INFO L124 PetriNetUnfolderBase]: 4877/16068 cut-off events. [2024-11-19 05:51:33,764 INFO L125 PetriNetUnfolderBase]: For 17214/17649 co-relation queries the response was YES. [2024-11-19 05:51:34,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46677 conditions, 16068 events. 4877/16068 cut-off events. For 17214/17649 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 129217 event pairs, 1704 based on Foata normal form. 20/15366 useless extension candidates. Maximal degree in co-relation 45651. Up to 5419 conditions per place. [2024-11-19 05:51:34,098 INFO L140 encePairwiseOnDemand]: 276/324 looper letters, 591 selfloop transitions, 145 changer transitions 0/1041 dead transitions. [2024-11-19 05:51:34,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1041 transitions, 7260 flow [2024-11-19 05:51:34,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-19 05:51:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-19 05:51:34,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3080 transitions. [2024-11-19 05:51:34,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7921810699588477 [2024-11-19 05:51:34,113 INFO L175 Difference]: Start difference. First operand has 421 places, 873 transitions, 4806 flow. Second operand 12 states and 3080 transitions. [2024-11-19 05:51:34,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1041 transitions, 7260 flow [2024-11-19 05:51:34,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1041 transitions, 7212 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-19 05:51:34,327 INFO L231 Difference]: Finished difference. Result has 419 places, 892 transitions, 5384 flow [2024-11-19 05:51:34,330 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=4758, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5384, PETRI_PLACES=419, PETRI_TRANSITIONS=892} [2024-11-19 05:51:34,332 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 98 predicate places. [2024-11-19 05:51:34,332 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 892 transitions, 5384 flow [2024-11-19 05:51:34,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:34,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:34,336 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:34,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:51:34,340 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:34,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:34,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2137947601, now seen corresponding path program 3 times [2024-11-19 05:51:34,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:34,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357051574] [2024-11-19 05:51:34,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:51:34,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:34,444 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:51:34,445 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:34,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:34,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357051574] [2024-11-19 05:51:34,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357051574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:34,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:34,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:34,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61614476] [2024-11-19 05:51:34,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:34,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:34,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:34,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:34,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:35,843 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:35,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 892 transitions, 5384 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:35,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:35,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:35,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:43,632 INFO L124 PetriNetUnfolderBase]: 5770/18258 cut-off events. [2024-11-19 05:51:43,632 INFO L125 PetriNetUnfolderBase]: For 24496/24694 co-relation queries the response was YES. [2024-11-19 05:51:43,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57797 conditions, 18258 events. 5770/18258 cut-off events. For 24496/24694 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 148265 event pairs, 1608 based on Foata normal form. 82/17663 useless extension candidates. Maximal degree in co-relation 56668. Up to 4534 conditions per place. [2024-11-19 05:51:43,855 INFO L140 encePairwiseOnDemand]: 283/324 looper letters, 868 selfloop transitions, 148 changer transitions 0/1321 dead transitions. [2024-11-19 05:51:43,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1321 transitions, 10834 flow [2024-11-19 05:51:43,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-19 05:51:43,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-19 05:51:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 5615 transitions. [2024-11-19 05:51:43,874 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7534889962426194 [2024-11-19 05:51:43,874 INFO L175 Difference]: Start difference. First operand has 419 places, 892 transitions, 5384 flow. Second operand 23 states and 5615 transitions. [2024-11-19 05:51:43,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1321 transitions, 10834 flow [2024-11-19 05:51:44,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1321 transitions, 10620 flow, removed 1 selfloop flow, removed 6 redundant places. [2024-11-19 05:51:44,215 INFO L231 Difference]: Finished difference. Result has 452 places, 1021 transitions, 7048 flow [2024-11-19 05:51:44,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=5268, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=786, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7048, PETRI_PLACES=452, PETRI_TRANSITIONS=1021} [2024-11-19 05:51:44,225 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 131 predicate places. [2024-11-19 05:51:44,225 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 1021 transitions, 7048 flow [2024-11-19 05:51:44,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:44,226 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:44,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:44,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:51:44,227 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:44,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:44,227 INFO L85 PathProgramCache]: Analyzing trace with hash -381576479, now seen corresponding path program 4 times [2024-11-19 05:51:44,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:44,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719821832] [2024-11-19 05:51:44,228 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:51:44,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:44,367 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:51:44,367 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:46,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:46,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:46,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719821832] [2024-11-19 05:51:46,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719821832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:46,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:46,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:46,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473300023] [2024-11-19 05:51:46,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:46,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:46,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:46,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:46,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:46,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:46,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 1021 transitions, 7048 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:46,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:46,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:46,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:51:54,497 INFO L124 PetriNetUnfolderBase]: 5852/18503 cut-off events. [2024-11-19 05:51:54,498 INFO L125 PetriNetUnfolderBase]: For 34129/34575 co-relation queries the response was YES. [2024-11-19 05:51:54,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62796 conditions, 18503 events. 5852/18503 cut-off events. For 34129/34575 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 150639 event pairs, 1708 based on Foata normal form. 50/17821 useless extension candidates. Maximal degree in co-relation 61680. Up to 5461 conditions per place. [2024-11-19 05:51:54,693 INFO L140 encePairwiseOnDemand]: 276/324 looper letters, 661 selfloop transitions, 237 changer transitions 0/1203 dead transitions. [2024-11-19 05:51:54,693 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1203 transitions, 10245 flow [2024-11-19 05:51:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 05:51:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-19 05:51:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3313 transitions. [2024-11-19 05:51:54,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7865622032288699 [2024-11-19 05:51:54,697 INFO L175 Difference]: Start difference. First operand has 452 places, 1021 transitions, 7048 flow. Second operand 13 states and 3313 transitions. [2024-11-19 05:51:54,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1203 transitions, 10245 flow [2024-11-19 05:51:55,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1203 transitions, 10133 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-19 05:51:55,264 INFO L231 Difference]: Finished difference. Result has 469 places, 1050 transitions, 8209 flow [2024-11-19 05:51:55,265 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=6982, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8209, PETRI_PLACES=469, PETRI_TRANSITIONS=1050} [2024-11-19 05:51:55,266 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 148 predicate places. [2024-11-19 05:51:55,266 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 1050 transitions, 8209 flow [2024-11-19 05:51:55,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:55,267 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:51:55,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:51:55,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:51:55,268 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:51:55,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:51:55,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1109500429, now seen corresponding path program 5 times [2024-11-19 05:51:55,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:51:55,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620324410] [2024-11-19 05:51:55,269 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:51:55,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:51:55,904 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-19 05:51:55,904 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:51:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2024-11-19 05:51:57,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:51:57,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620324410] [2024-11-19 05:51:57,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620324410] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:51:57,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:51:57,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 05:51:57,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68530411] [2024-11-19 05:51:57,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:51:57,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 05:51:57,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:51:57,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 05:51:57,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-19 05:51:58,872 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 324 [2024-11-19 05:51:58,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 1050 transitions, 8209 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:51:58,879 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:51:58,879 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 324 [2024-11-19 05:51:58,879 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:52:08,911 INFO L124 PetriNetUnfolderBase]: 6726/20601 cut-off events. [2024-11-19 05:52:08,912 INFO L125 PetriNetUnfolderBase]: For 52911/53583 co-relation queries the response was YES. [2024-11-19 05:52:09,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76579 conditions, 20601 events. 6726/20601 cut-off events. For 52911/53583 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 170279 event pairs, 2045 based on Foata normal form. 98/19927 useless extension candidates. Maximal degree in co-relation 75325. Up to 9355 conditions per place. [2024-11-19 05:52:09,110 INFO L140 encePairwiseOnDemand]: 283/324 looper letters, 860 selfloop transitions, 197 changer transitions 0/1362 dead transitions. [2024-11-19 05:52:09,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1362 transitions, 13664 flow [2024-11-19 05:52:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 05:52:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 05:52:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 4846 transitions. [2024-11-19 05:52:09,113 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7478395061728395 [2024-11-19 05:52:09,113 INFO L175 Difference]: Start difference. First operand has 469 places, 1050 transitions, 8209 flow. Second operand 20 states and 4846 transitions. [2024-11-19 05:52:09,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 488 places, 1362 transitions, 13664 flow [2024-11-19 05:52:09,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 1362 transitions, 13376 flow, removed 26 selfloop flow, removed 6 redundant places. [2024-11-19 05:52:09,512 INFO L231 Difference]: Finished difference. Result has 497 places, 1162 transitions, 10410 flow [2024-11-19 05:52:09,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=8020, PETRI_DIFFERENCE_MINUEND_PLACES=463, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1050, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=881, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=10410, PETRI_PLACES=497, PETRI_TRANSITIONS=1162} [2024-11-19 05:52:09,513 INFO L277 CegarLoopForPetriNet]: 321 programPoint places, 176 predicate places. [2024-11-19 05:52:09,514 INFO L471 AbstractCegarLoop]: Abstraction has has 497 places, 1162 transitions, 10410 flow [2024-11-19 05:52:09,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:52:09,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:52:09,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:52:09,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:52:09,515 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2024-11-19 05:52:09,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:52:09,516 INFO L85 PathProgramCache]: Analyzing trace with hash 142212257, now seen corresponding path program 6 times [2024-11-19 05:52:09,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:52:09,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896888128] [2024-11-19 05:52:09,516 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:52:09,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:52:09,584 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:52:09,584 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat