./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d 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/weaver/chl-node-trans.wvr.c -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 c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:59:31,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:32,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:59:32,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:32,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:32,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:32,066 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:32,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:32,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:32,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:32,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:59:32,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:59:32,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:59:32,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:32,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:32,073 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:32,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:59:32,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:32,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:32,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:32,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:32,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:32,079 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:59:32,079 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:32,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:59:32,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:32,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:32,080 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:32,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:32,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:59:32,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:32,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:32,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:32,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:32,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:32,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:59:32,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:59:32,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:32,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:59:32,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:59:32,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:59:32,085 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2024-11-09 06:59:32,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:32,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:32,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:32,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:32,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:32,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-09 06:59:33,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:34,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:34,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-09 06:59:34,109 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c27853eb/9ae47f55186a4eb5b0745839858f88c9/FLAGa1907b258 [2024-11-09 06:59:34,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c27853eb/9ae47f55186a4eb5b0745839858f88c9 [2024-11-09 06:59:34,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:34,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:34,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:34,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:34,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:34,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b321e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34, skipping insertion in model container [2024-11-09 06:59:34,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:34,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:34,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:34,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:34,583 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:34,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34 WrapperNode [2024-11-09 06:59:34,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:34,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:34,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:34,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:34,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,656 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 793 [2024-11-09 06:59:34,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:34,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:34,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:34,665 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:34,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:34,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:34,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:34,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:34,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (1/1) ... [2024-11-09 06:59:34,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:34,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:34,827 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) [2024-11-09 06:59:34,831 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 [2024-11-09 06:59:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:59:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:59:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:59:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:59:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:59:34,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:59:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:59:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:59:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:59:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:59:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:34,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:34,886 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:59:35,062 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:35,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:36,201 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:59:36,201 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:36,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:36,246 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 06:59:36,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:36 BoogieIcfgContainer [2024-11-09 06:59:36,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:36,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:36,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:36,256 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:36,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:34" (1/3) ... [2024-11-09 06:59:36,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:36, skipping insertion in model container [2024-11-09 06:59:36,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:34" (2/3) ... [2024-11-09 06:59:36,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728f239f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:36, skipping insertion in model container [2024-11-09 06:59:36,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:36" (3/3) ... [2024-11-09 06:59:36,261 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2024-11-09 06:59:36,278 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:36,278 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2024-11-09 06:59:36,278 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:59:36,518 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 06:59:36,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1010 places, 1048 transitions, 2117 flow [2024-11-09 06:59:37,035 INFO L124 PetriNetUnfolderBase]: 48/1045 cut-off events. [2024-11-09 06:59:37,035 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:59:37,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 1045 events. 48/1045 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2154 event pairs, 0 based on Foata normal form. 0/883 useless extension candidates. Maximal degree in co-relation 855. Up to 2 conditions per place. [2024-11-09 06:59:37,060 INFO L82 GeneralOperation]: Start removeDead. Operand has 1010 places, 1048 transitions, 2117 flow [2024-11-09 06:59:37,084 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 988 places, 1024 transitions, 2066 flow [2024-11-09 06:59:37,097 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:37,107 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;@1eacda51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:37,108 INFO L334 AbstractCegarLoop]: Starting to check reachability of 192 error locations. [2024-11-09 06:59:37,115 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:59:37,115 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-09 06:59:37,116 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:59:37,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:37,117 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:37,118 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:37,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:37,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1350031626, now seen corresponding path program 1 times [2024-11-09 06:59:37,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:37,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865693337] [2024-11-09 06:59:37,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:37,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:37,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:37,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865693337] [2024-11-09 06:59:37,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865693337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:37,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:37,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:37,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121104256] [2024-11-09 06:59:37,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:37,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:37,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:37,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:37,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:37,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-11-09 06:59:37,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 1024 transitions, 2066 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-09 06:59:37,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:37,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-11-09 06:59:37,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:38,426 INFO L124 PetriNetUnfolderBase]: 54/1757 cut-off events. [2024-11-09 06:59:38,427 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-09 06:59:38,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1757 events. 54/1757 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8002 event pairs, 21 based on Foata normal form. 59/1515 useless extension candidates. Maximal degree in co-relation 1271. Up to 62 conditions per place. [2024-11-09 06:59:38,487 INFO L140 encePairwiseOnDemand]: 1017/1048 looper letters, 19 selfloop transitions, 2 changer transitions 16/995 dead transitions. [2024-11-09 06:59:38,487 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 989 places, 995 transitions, 2050 flow [2024-11-09 06:59:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3035 transitions. [2024-11-09 06:59:38,519 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9653307888040712 [2024-11-09 06:59:38,521 INFO L175 Difference]: Start difference. First operand has 988 places, 1024 transitions, 2066 flow. Second operand 3 states and 3035 transitions. [2024-11-09 06:59:38,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 989 places, 995 transitions, 2050 flow [2024-11-09 06:59:38,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 995 transitions, 2038 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 06:59:38,598 INFO L231 Difference]: Finished difference. Result has 983 places, 979 transitions, 1968 flow [2024-11-09 06:59:38,602 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=993, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1968, PETRI_PLACES=983, PETRI_TRANSITIONS=979} [2024-11-09 06:59:38,606 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -5 predicate places. [2024-11-09 06:59:38,606 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 979 transitions, 1968 flow [2024-11-09 06:59:38,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-09 06:59:38,608 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:38,609 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] [2024-11-09 06:59:38,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:59:38,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:38,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:38,610 INFO L85 PathProgramCache]: Analyzing trace with hash 860022617, now seen corresponding path program 1 times [2024-11-09 06:59:38,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:38,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321986691] [2024-11-09 06:59:38,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:38,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:38,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:38,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321986691] [2024-11-09 06:59:38,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321986691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:38,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:38,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:38,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926584990] [2024-11-09 06:59:38,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:38,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:38,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:38,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:38,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:38,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-11-09 06:59:38,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 979 transitions, 1968 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-09 06:59:38,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:38,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-11-09 06:59:38,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:39,835 INFO L124 PetriNetUnfolderBase]: 114/2523 cut-off events. [2024-11-09 06:59:39,836 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-09 06:59:39,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2690 conditions, 2523 events. 114/2523 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15113 event pairs, 60 based on Foata normal form. 0/2116 useless extension candidates. Maximal degree in co-relation 2647. Up to 146 conditions per place. [2024-11-09 06:59:39,911 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/969 dead transitions. [2024-11-09 06:59:39,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 969 transitions, 2002 flow [2024-11-09 06:59:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-09 06:59:39,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-11-09 06:59:39,927 INFO L175 Difference]: Start difference. First operand has 983 places, 979 transitions, 1968 flow. Second operand 3 states and 2980 transitions. [2024-11-09 06:59:39,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 969 transitions, 2002 flow [2024-11-09 06:59:39,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 969 transitions, 1998 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:39,952 INFO L231 Difference]: Finished difference. Result has 957 places, 969 transitions, 1946 flow [2024-11-09 06:59:39,954 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=957, PETRI_TRANSITIONS=969} [2024-11-09 06:59:39,955 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -31 predicate places. [2024-11-09 06:59:39,955 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 969 transitions, 1946 flow [2024-11-09 06:59:39,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-09 06:59:39,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:39,958 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] [2024-11-09 06:59:39,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:39,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:39,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1639064396, now seen corresponding path program 1 times [2024-11-09 06:59:39,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:39,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379916220] [2024-11-09 06:59:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:40,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:40,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379916220] [2024-11-09 06:59:40,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379916220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:40,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:40,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:40,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596716127] [2024-11-09 06:59:40,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:40,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:40,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:40,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:40,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:40,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-11-09 06:59:40,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 969 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-09 06:59:40,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:40,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-11-09 06:59:40,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:40,826 INFO L124 PetriNetUnfolderBase]: 90/2666 cut-off events. [2024-11-09 06:59:40,827 INFO L125 PetriNetUnfolderBase]: For 5/9 co-relation queries the response was YES. [2024-11-09 06:59:40,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2666 events. 90/2666 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16387 event pairs, 39 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 2738. Up to 89 conditions per place. [2024-11-09 06:59:40,889 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 19 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2024-11-09 06:59:40,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 968 transitions, 1986 flow [2024-11-09 06:59:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3007 transitions. [2024-11-09 06:59:40,901 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9564249363867684 [2024-11-09 06:59:40,901 INFO L175 Difference]: Start difference. First operand has 957 places, 969 transitions, 1946 flow. Second operand 3 states and 3007 transitions. [2024-11-09 06:59:40,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 968 transitions, 1986 flow [2024-11-09 06:59:40,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 968 transitions, 1985 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:59:40,918 INFO L231 Difference]: Finished difference. Result has 957 places, 968 transitions, 1947 flow [2024-11-09 06:59:40,920 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1947, PETRI_PLACES=957, PETRI_TRANSITIONS=968} [2024-11-09 06:59:40,921 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -31 predicate places. [2024-11-09 06:59:40,922 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 968 transitions, 1947 flow [2024-11-09 06:59:40,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-09 06:59:40,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:40,925 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:40,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:59:40,925 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:40,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:40,927 INFO L85 PathProgramCache]: Analyzing trace with hash 752671738, now seen corresponding path program 1 times [2024-11-09 06:59:40,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:40,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405208876] [2024-11-09 06:59:40,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:41,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:41,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:41,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405208876] [2024-11-09 06:59:41,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405208876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:41,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:41,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:41,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093607366] [2024-11-09 06:59:41,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:41,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:41,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:41,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:41,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:41,044 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-11-09 06:59:41,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 968 transitions, 1947 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-09 06:59:41,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:41,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-11-09 06:59:41,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:42,415 INFO L124 PetriNetUnfolderBase]: 225/3970 cut-off events. [2024-11-09 06:59:42,415 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-09 06:59:42,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4298 conditions, 3970 events. 225/3970 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 30239 event pairs, 132 based on Foata normal form. 0/3337 useless extension candidates. Maximal degree in co-relation 4256. Up to 264 conditions per place. [2024-11-09 06:59:42,502 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/958 dead transitions. [2024-11-09 06:59:42,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 958 transitions, 1981 flow [2024-11-09 06:59:42,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-09 06:59:42,509 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-11-09 06:59:42,510 INFO L175 Difference]: Start difference. First operand has 957 places, 968 transitions, 1947 flow. Second operand 3 states and 2980 transitions. [2024-11-09 06:59:42,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 958 transitions, 1981 flow [2024-11-09 06:59:42,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 958 transitions, 1977 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:42,528 INFO L231 Difference]: Finished difference. Result has 947 places, 958 transitions, 1925 flow [2024-11-09 06:59:42,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1923, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1925, PETRI_PLACES=947, PETRI_TRANSITIONS=958} [2024-11-09 06:59:42,532 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -41 predicate places. [2024-11-09 06:59:42,532 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 958 transitions, 1925 flow [2024-11-09 06:59:42,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-09 06:59:42,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:42,535 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:42,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:59:42,536 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:42,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1448313385, now seen corresponding path program 1 times [2024-11-09 06:59:42,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:42,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542142103] [2024-11-09 06:59:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:42,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:42,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:42,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542142103] [2024-11-09 06:59:42,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542142103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:42,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:42,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:42,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472719003] [2024-11-09 06:59:42,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:42,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:42,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:42,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:42,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:42,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-11-09 06:59:42,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 958 transitions, 1925 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-09 06:59:42,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:42,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-11-09 06:59:42,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:43,241 INFO L124 PetriNetUnfolderBase]: 75/1833 cut-off events. [2024-11-09 06:59:43,241 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-09 06:59:43,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 1833 events. 75/1833 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8414 event pairs, 39 based on Foata normal form. 0/1560 useless extension candidates. Maximal degree in co-relation 1891. Up to 89 conditions per place. [2024-11-09 06:59:43,278 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 19 selfloop transitions, 2 changer transitions 0/957 dead transitions. [2024-11-09 06:59:43,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 957 transitions, 1965 flow [2024-11-09 06:59:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3007 transitions. [2024-11-09 06:59:43,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9564249363867684 [2024-11-09 06:59:43,286 INFO L175 Difference]: Start difference. First operand has 947 places, 958 transitions, 1925 flow. Second operand 3 states and 3007 transitions. [2024-11-09 06:59:43,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 957 transitions, 1965 flow [2024-11-09 06:59:43,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 957 transitions, 1964 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:59:43,307 INFO L231 Difference]: Finished difference. Result has 947 places, 957 transitions, 1926 flow [2024-11-09 06:59:43,308 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1926, PETRI_PLACES=947, PETRI_TRANSITIONS=957} [2024-11-09 06:59:43,309 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -41 predicate places. [2024-11-09 06:59:43,310 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 957 transitions, 1926 flow [2024-11-09 06:59:43,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-09 06:59:43,312 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:43,312 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] [2024-11-09 06:59:43,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:59:43,313 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:43,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:43,314 INFO L85 PathProgramCache]: Analyzing trace with hash 573038134, now seen corresponding path program 1 times [2024-11-09 06:59:43,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:43,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751683631] [2024-11-09 06:59:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:43,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:43,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:43,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751683631] [2024-11-09 06:59:43,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751683631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:43,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:43,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:43,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805386907] [2024-11-09 06:59:43,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:43,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:43,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:43,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:43,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:43,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-11-09 06:59:43,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 957 transitions, 1926 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-09 06:59:43,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:43,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-11-09 06:59:43,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:44,546 INFO L124 PetriNetUnfolderBase]: 227/3703 cut-off events. [2024-11-09 06:59:44,547 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-09 06:59:44,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3994 conditions, 3703 events. 227/3703 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 26982 event pairs, 132 based on Foata normal form. 0/3155 useless extension candidates. Maximal degree in co-relation 3952. Up to 274 conditions per place. [2024-11-09 06:59:44,615 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/947 dead transitions. [2024-11-09 06:59:44,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 947 transitions, 1960 flow [2024-11-09 06:59:44,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-09 06:59:44,621 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-11-09 06:59:44,621 INFO L175 Difference]: Start difference. First operand has 947 places, 957 transitions, 1926 flow. Second operand 3 states and 2980 transitions. [2024-11-09 06:59:44,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 947 transitions, 1960 flow [2024-11-09 06:59:44,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 947 transitions, 1956 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:44,636 INFO L231 Difference]: Finished difference. Result has 937 places, 947 transitions, 1904 flow [2024-11-09 06:59:44,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1902, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1904, PETRI_PLACES=937, PETRI_TRANSITIONS=947} [2024-11-09 06:59:44,639 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -51 predicate places. [2024-11-09 06:59:44,639 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 947 transitions, 1904 flow [2024-11-09 06:59:44,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-09 06:59:44,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:44,641 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] [2024-11-09 06:59:44,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:59:44,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:44,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:44,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1789936871, now seen corresponding path program 1 times [2024-11-09 06:59:44,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:44,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232144267] [2024-11-09 06:59:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:44,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:44,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:44,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232144267] [2024-11-09 06:59:44,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232144267] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:44,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:44,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460776160] [2024-11-09 06:59:44,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:44,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:44,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:44,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:44,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:44,730 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-11-09 06:59:44,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 947 transitions, 1904 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-09 06:59:44,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:44,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-11-09 06:59:44,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:45,039 INFO L124 PetriNetUnfolderBase]: 26/1247 cut-off events. [2024-11-09 06:59:45,039 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:45,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 1247 events. 26/1247 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3288 event pairs, 2 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 1232. Up to 16 conditions per place. [2024-11-09 06:59:45,060 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-09 06:59:45,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 946 transitions, 1928 flow [2024-11-09 06:59:45,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:45,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-11-09 06:59:45,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-11-09 06:59:45,068 INFO L175 Difference]: Start difference. First operand has 937 places, 947 transitions, 1904 flow. Second operand 3 states and 3023 transitions. [2024-11-09 06:59:45,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 946 transitions, 1928 flow [2024-11-09 06:59:45,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 946 transitions, 1927 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 06:59:45,083 INFO L231 Difference]: Finished difference. Result has 937 places, 946 transitions, 1905 flow [2024-11-09 06:59:45,085 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1901, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=946, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1905, PETRI_PLACES=937, PETRI_TRANSITIONS=946} [2024-11-09 06:59:45,086 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -51 predicate places. [2024-11-09 06:59:45,086 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 946 transitions, 1905 flow [2024-11-09 06:59:45,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-09 06:59:45,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:45,088 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] [2024-11-09 06:59:45,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:59:45,088 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:45,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:45,091 INFO L85 PathProgramCache]: Analyzing trace with hash 2041858837, now seen corresponding path program 1 times [2024-11-09 06:59:45,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:45,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115891552] [2024-11-09 06:59:45,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:45,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:45,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:45,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115891552] [2024-11-09 06:59:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115891552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:45,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:45,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:45,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082225663] [2024-11-09 06:59:45,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:45,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:45,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:45,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:45,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:45,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-09 06:59:45,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 946 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:45,195 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:45,195 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-09 06:59:45,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:45,604 INFO L124 PetriNetUnfolderBase]: 42/1848 cut-off events. [2024-11-09 06:59:45,605 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-09 06:59:45,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 1848 events. 42/1848 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8271 event pairs, 6 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1848. Up to 25 conditions per place. [2024-11-09 06:59:45,654 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-11-09 06:59:45,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 945 transitions, 1931 flow [2024-11-09 06:59:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:45,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-09 06:59:45,661 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-09 06:59:45,662 INFO L175 Difference]: Start difference. First operand has 937 places, 946 transitions, 1905 flow. Second operand 3 states and 3021 transitions. [2024-11-09 06:59:45,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 945 transitions, 1931 flow [2024-11-09 06:59:45,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:45,679 INFO L231 Difference]: Finished difference. Result has 936 places, 945 transitions, 1903 flow [2024-11-09 06:59:45,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1899, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1903, PETRI_PLACES=936, PETRI_TRANSITIONS=945} [2024-11-09 06:59:45,684 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -52 predicate places. [2024-11-09 06:59:45,685 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 945 transitions, 1903 flow [2024-11-09 06:59:45,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:45,687 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:45,687 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:45,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:59:45,688 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:45,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:45,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1369086112, now seen corresponding path program 1 times [2024-11-09 06:59:45,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:45,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169774081] [2024-11-09 06:59:45,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:45,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169774081] [2024-11-09 06:59:45,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169774081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:45,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:45,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:45,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7446958] [2024-11-09 06:59:45,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:45,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:45,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:45,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-09 06:59:45,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 945 transitions, 1903 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:45,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:45,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-09 06:59:45,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:46,343 INFO L124 PetriNetUnfolderBase]: 42/1847 cut-off events. [2024-11-09 06:59:46,343 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-09 06:59:46,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1890 conditions, 1847 events. 42/1847 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 8260 event pairs, 6 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1847. Up to 25 conditions per place. [2024-11-09 06:59:46,388 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-11-09 06:59:46,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 944 transitions, 1929 flow [2024-11-09 06:59:46,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:46,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-09 06:59:46,396 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-09 06:59:46,396 INFO L175 Difference]: Start difference. First operand has 936 places, 945 transitions, 1903 flow. Second operand 3 states and 3021 transitions. [2024-11-09 06:59:46,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 944 transitions, 1929 flow [2024-11-09 06:59:46,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:46,415 INFO L231 Difference]: Finished difference. Result has 935 places, 944 transitions, 1901 flow [2024-11-09 06:59:46,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=942, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1901, PETRI_PLACES=935, PETRI_TRANSITIONS=944} [2024-11-09 06:59:46,418 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -53 predicate places. [2024-11-09 06:59:46,418 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 944 transitions, 1901 flow [2024-11-09 06:59:46,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:46,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:46,420 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] [2024-11-09 06:59:46,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:59:46,420 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:46,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:46,421 INFO L85 PathProgramCache]: Analyzing trace with hash 41052617, now seen corresponding path program 1 times [2024-11-09 06:59:46,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:46,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500676731] [2024-11-09 06:59:46,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:46,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:46,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500676731] [2024-11-09 06:59:46,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500676731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:46,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:46,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:46,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119968832] [2024-11-09 06:59:46,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:46,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:46,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:46,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:46,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-11-09 06:59:46,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 944 transitions, 1901 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-09 06:59:46,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:46,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-11-09 06:59:46,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:46,783 INFO L124 PetriNetUnfolderBase]: 23/1094 cut-off events. [2024-11-09 06:59:46,784 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-09 06:59:46,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1094 events. 23/1094 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2533 event pairs, 2 based on Foata normal form. 0/969 useless extension candidates. Maximal degree in co-relation 1080. Up to 16 conditions per place. [2024-11-09 06:59:46,810 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-09 06:59:46,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 943 transitions, 1925 flow [2024-11-09 06:59:46,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-11-09 06:59:46,819 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-11-09 06:59:46,819 INFO L175 Difference]: Start difference. First operand has 935 places, 944 transitions, 1901 flow. Second operand 3 states and 3023 transitions. [2024-11-09 06:59:46,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 943 transitions, 1925 flow [2024-11-09 06:59:46,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 943 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:46,839 INFO L231 Difference]: Finished difference. Result has 934 places, 943 transitions, 1899 flow [2024-11-09 06:59:46,842 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1895, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=934, PETRI_TRANSITIONS=943} [2024-11-09 06:59:46,843 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -54 predicate places. [2024-11-09 06:59:46,843 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 943 transitions, 1899 flow [2024-11-09 06:59:46,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-09 06:59:46,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:46,846 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] [2024-11-09 06:59:46,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 06:59:46,846 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:46,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:46,846 INFO L85 PathProgramCache]: Analyzing trace with hash -327954564, now seen corresponding path program 1 times [2024-11-09 06:59:46,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:46,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855429517] [2024-11-09 06:59:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:46,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:46,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:46,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:46,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855429517] [2024-11-09 06:59:46,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855429517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:46,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:46,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:46,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529540135] [2024-11-09 06:59:46,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:46,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:46,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:46,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:46,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:46,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-09 06:59:46,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 943 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:46,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:46,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-09 06:59:46,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:47,268 INFO L124 PetriNetUnfolderBase]: 33/1395 cut-off events. [2024-11-09 06:59:47,269 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-09 06:59:47,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 1395 events. 33/1395 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4826 event pairs, 6 based on Foata normal form. 0/1219 useless extension candidates. Maximal degree in co-relation 1392. Up to 25 conditions per place. [2024-11-09 06:59:47,302 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-11-09 06:59:47,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 942 transitions, 1925 flow [2024-11-09 06:59:47,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-09 06:59:47,310 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-09 06:59:47,310 INFO L175 Difference]: Start difference. First operand has 934 places, 943 transitions, 1899 flow. Second operand 3 states and 3021 transitions. [2024-11-09 06:59:47,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 942 transitions, 1925 flow [2024-11-09 06:59:47,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 942 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:47,330 INFO L231 Difference]: Finished difference. Result has 933 places, 942 transitions, 1897 flow [2024-11-09 06:59:47,332 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=931, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1897, PETRI_PLACES=933, PETRI_TRANSITIONS=942} [2024-11-09 06:59:47,333 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -55 predicate places. [2024-11-09 06:59:47,333 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 942 transitions, 1897 flow [2024-11-09 06:59:47,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:47,335 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:47,335 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] [2024-11-09 06:59:47,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:59:47,336 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:47,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:47,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1927998895, now seen corresponding path program 1 times [2024-11-09 06:59:47,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:47,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528512146] [2024-11-09 06:59:47,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:47,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:47,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:47,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528512146] [2024-11-09 06:59:47,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528512146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:47,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:47,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:47,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954654246] [2024-11-09 06:59:47,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:47,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:47,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:47,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:47,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:47,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-09 06:59:47,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 942 transitions, 1897 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:47,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:47,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-09 06:59:47,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:47,810 INFO L124 PetriNetUnfolderBase]: 33/1394 cut-off events. [2024-11-09 06:59:47,810 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-09 06:59:47,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 1394 events. 33/1394 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4815 event pairs, 6 based on Foata normal form. 0/1219 useless extension candidates. Maximal degree in co-relation 1391. Up to 25 conditions per place. [2024-11-09 06:59:47,847 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/941 dead transitions. [2024-11-09 06:59:47,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 941 transitions, 1923 flow [2024-11-09 06:59:47,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:47,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-09 06:59:47,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-09 06:59:47,855 INFO L175 Difference]: Start difference. First operand has 933 places, 942 transitions, 1897 flow. Second operand 3 states and 3021 transitions. [2024-11-09 06:59:47,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 941 transitions, 1923 flow [2024-11-09 06:59:47,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 932 places, 941 transitions, 1919 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:47,874 INFO L231 Difference]: Finished difference. Result has 932 places, 941 transitions, 1895 flow [2024-11-09 06:59:47,876 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1891, PETRI_DIFFERENCE_MINUEND_PLACES=930, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=939, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1895, PETRI_PLACES=932, PETRI_TRANSITIONS=941} [2024-11-09 06:59:47,877 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -56 predicate places. [2024-11-09 06:59:47,877 INFO L471 AbstractCegarLoop]: Abstraction has has 932 places, 941 transitions, 1895 flow [2024-11-09 06:59:47,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:47,878 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:47,879 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] [2024-11-09 06:59:47,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:59:47,879 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:47,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1055677271, now seen corresponding path program 1 times [2024-11-09 06:59:47,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141230533] [2024-11-09 06:59:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:47,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:47,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141230533] [2024-11-09 06:59:47,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141230533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:47,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:47,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:47,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235814184] [2024-11-09 06:59:47,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:47,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:47,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:47,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:47,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:47,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-11-09 06:59:47,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 932 places, 941 transitions, 1895 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-09 06:59:47,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:47,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-11-09 06:59:47,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:48,157 INFO L124 PetriNetUnfolderBase]: 20/970 cut-off events. [2024-11-09 06:59:48,157 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-09 06:59:48,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 970 events. 20/970 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2064 event pairs, 2 based on Foata normal form. 0/870 useless extension candidates. Maximal degree in co-relation 955. Up to 16 conditions per place. [2024-11-09 06:59:48,172 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/940 dead transitions. [2024-11-09 06:59:48,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 940 transitions, 1919 flow [2024-11-09 06:59:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-11-09 06:59:48,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-11-09 06:59:48,179 INFO L175 Difference]: Start difference. First operand has 932 places, 941 transitions, 1895 flow. Second operand 3 states and 3023 transitions. [2024-11-09 06:59:48,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 933 places, 940 transitions, 1919 flow [2024-11-09 06:59:48,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 931 places, 940 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:48,199 INFO L231 Difference]: Finished difference. Result has 931 places, 940 transitions, 1893 flow [2024-11-09 06:59:48,201 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1889, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=938, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1893, PETRI_PLACES=931, PETRI_TRANSITIONS=940} [2024-11-09 06:59:48,201 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -57 predicate places. [2024-11-09 06:59:48,202 INFO L471 AbstractCegarLoop]: Abstraction has has 931 places, 940 transitions, 1893 flow [2024-11-09 06:59:48,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-09 06:59:48,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:48,203 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:48,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:59:48,203 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:48,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:48,204 INFO L85 PathProgramCache]: Analyzing trace with hash 79333507, now seen corresponding path program 1 times [2024-11-09 06:59:48,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:48,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328900126] [2024-11-09 06:59:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:48,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:48,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328900126] [2024-11-09 06:59:48,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328900126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:48,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:48,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:48,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019649870] [2024-11-09 06:59:48,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:48,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:48,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:48,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:48,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:48,279 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-09 06:59:48,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 931 places, 940 transitions, 1893 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:48,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:48,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-09 06:59:48,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:48,583 INFO L124 PetriNetUnfolderBase]: 30/1205 cut-off events. [2024-11-09 06:59:48,584 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-09 06:59:48,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 1205 events. 30/1205 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3074 event pairs, 6 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1199. Up to 25 conditions per place. [2024-11-09 06:59:48,609 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/939 dead transitions. [2024-11-09 06:59:48,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 939 transitions, 1919 flow [2024-11-09 06:59:48,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:48,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:48,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-09 06:59:48,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-09 06:59:48,617 INFO L175 Difference]: Start difference. First operand has 931 places, 940 transitions, 1893 flow. Second operand 3 states and 3021 transitions. [2024-11-09 06:59:48,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 939 transitions, 1919 flow [2024-11-09 06:59:48,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 939 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:48,635 INFO L231 Difference]: Finished difference. Result has 930 places, 939 transitions, 1891 flow [2024-11-09 06:59:48,637 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=937, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1891, PETRI_PLACES=930, PETRI_TRANSITIONS=939} [2024-11-09 06:59:48,638 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -58 predicate places. [2024-11-09 06:59:48,638 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 939 transitions, 1891 flow [2024-11-09 06:59:48,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:48,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:48,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:48,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 06:59:48,640 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:48,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:48,640 INFO L85 PathProgramCache]: Analyzing trace with hash -426821869, now seen corresponding path program 1 times [2024-11-09 06:59:48,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:48,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962854209] [2024-11-09 06:59:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:48,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:48,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:48,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:48,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962854209] [2024-11-09 06:59:48,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962854209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:48,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:48,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:48,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427811380] [2024-11-09 06:59:48,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:48,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:48,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:48,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:48,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:48,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-09 06:59:48,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 939 transitions, 1891 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:48,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:48,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-09 06:59:48,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:49,019 INFO L124 PetriNetUnfolderBase]: 30/1166 cut-off events. [2024-11-09 06:59:49,020 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-09 06:59:49,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1166 events. 30/1166 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2943 event pairs, 6 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1160. Up to 25 conditions per place. [2024-11-09 06:59:49,048 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/938 dead transitions. [2024-11-09 06:59:49,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 938 transitions, 1917 flow [2024-11-09 06:59:49,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:49,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-09 06:59:49,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-09 06:59:49,055 INFO L175 Difference]: Start difference. First operand has 930 places, 939 transitions, 1891 flow. Second operand 3 states and 3021 transitions. [2024-11-09 06:59:49,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 938 transitions, 1917 flow [2024-11-09 06:59:49,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 938 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:49,075 INFO L231 Difference]: Finished difference. Result has 929 places, 938 transitions, 1889 flow [2024-11-09 06:59:49,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1889, PETRI_PLACES=929, PETRI_TRANSITIONS=938} [2024-11-09 06:59:49,078 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -59 predicate places. [2024-11-09 06:59:49,078 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 938 transitions, 1889 flow [2024-11-09 06:59:49,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-09 06:59:49,079 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:49,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:49,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 06:59:49,080 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:49,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1654271590, now seen corresponding path program 1 times [2024-11-09 06:59:49,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:49,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336214981] [2024-11-09 06:59:49,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:49,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:49,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:49,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336214981] [2024-11-09 06:59:49,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336214981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:49,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:49,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:49,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188240352] [2024-11-09 06:59:49,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:49,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:49,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:49,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:49,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:49,191 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-11-09 06:59:49,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 938 transitions, 1889 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-09 06:59:49,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:49,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-11-09 06:59:49,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:49,543 INFO L124 PetriNetUnfolderBase]: 42/1529 cut-off events. [2024-11-09 06:59:49,543 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:59:49,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1529 events. 42/1529 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6395 event pairs, 12 based on Foata normal form. 0/1336 useless extension candidates. Maximal degree in co-relation 1540. Up to 38 conditions per place. [2024-11-09 06:59:49,575 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-11-09 06:59:49,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 937 transitions, 1917 flow [2024-11-09 06:59:49,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-09 06:59:49,582 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-11-09 06:59:49,582 INFO L175 Difference]: Start difference. First operand has 929 places, 938 transitions, 1889 flow. Second operand 3 states and 3019 transitions. [2024-11-09 06:59:49,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 937 transitions, 1917 flow [2024-11-09 06:59:49,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 937 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:49,603 INFO L231 Difference]: Finished difference. Result has 928 places, 937 transitions, 1887 flow [2024-11-09 06:59:49,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1883, PETRI_DIFFERENCE_MINUEND_PLACES=926, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=928, PETRI_TRANSITIONS=937} [2024-11-09 06:59:49,605 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -60 predicate places. [2024-11-09 06:59:49,606 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 937 transitions, 1887 flow [2024-11-09 06:59:49,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-09 06:59:49,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:49,607 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:49,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 06:59:49,608 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 06:59:49,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:49,608 INFO L85 PathProgramCache]: Analyzing trace with hash -2077651223, now seen corresponding path program 1 times [2024-11-09 06:59:49,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:49,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54810894] [2024-11-09 06:59:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:49,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:50,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:50,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54810894] [2024-11-09 06:59:50,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54810894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:50,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:50,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:50,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103474710] [2024-11-09 06:59:50,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:50,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:50,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:50,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:50,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 06:59:50,968 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 913 out of 1048 [2024-11-09 06:59:50,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 937 transitions, 1887 flow. Second operand has 6 states, 6 states have (on average 914.5) internal successors, (5487), 6 states have internal predecessors, (5487), 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) [2024-11-09 06:59:50,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:50,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 913 of 1048 [2024-11-09 06:59:50,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:09,192 INFO L124 PetriNetUnfolderBase]: 15257/85351 cut-off events. [2024-11-09 07:00:09,193 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-09 07:00:09,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107780 conditions, 85351 events. 15257/85351 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1173. Compared 1263411 event pairs, 14040 based on Foata normal form. 0/74616 useless extension candidates. Maximal degree in co-relation 107738. Up to 22026 conditions per place. [2024-11-09 07:00:10,043 INFO L140 encePairwiseOnDemand]: 1030/1048 looper letters, 87 selfloop transitions, 15 changer transitions 0/934 dead transitions. [2024-11-09 07:00:10,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 934 transitions, 2085 flow [2024-11-09 07:00:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:00:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:00:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5583 transitions. [2024-11-09 07:00:10,053 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.887881679389313 [2024-11-09 07:00:10,053 INFO L175 Difference]: Start difference. First operand has 928 places, 937 transitions, 1887 flow. Second operand 6 states and 5583 transitions. [2024-11-09 07:00:10,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 934 transitions, 2085 flow [2024-11-09 07:00:10,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 934 transitions, 2081 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:10,075 INFO L231 Difference]: Finished difference. Result has 928 places, 934 transitions, 1907 flow [2024-11-09 07:00:10,077 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1877, PETRI_DIFFERENCE_MINUEND_PLACES=923, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=919, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1907, PETRI_PLACES=928, PETRI_TRANSITIONS=934} [2024-11-09 07:00:10,078 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -60 predicate places. [2024-11-09 07:00:10,078 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 934 transitions, 1907 flow [2024-11-09 07:00:10,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 914.5) internal successors, (5487), 6 states have internal predecessors, (5487), 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) [2024-11-09 07:00:10,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:10,080 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:10,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 07:00:10,080 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 07:00:10,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:10,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2010193129, now seen corresponding path program 1 times [2024-11-09 07:00:10,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:10,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670714563] [2024-11-09 07:00:10,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:10,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:10,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:10,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670714563] [2024-11-09 07:00:10,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670714563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:10,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:10,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:10,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143054469] [2024-11-09 07:00:10,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:10,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:10,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:10,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:10,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:10,173 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-11-09 07:00:10,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 934 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-09 07:00:10,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:10,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-11-09 07:00:10,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:10,541 INFO L124 PetriNetUnfolderBase]: 62/2127 cut-off events. [2024-11-09 07:00:10,542 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-09 07:00:10,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 2127 events. 62/2127 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10866 event pairs, 20 based on Foata normal form. 0/1833 useless extension candidates. Maximal degree in co-relation 2169. Up to 50 conditions per place. [2024-11-09 07:00:10,580 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/933 dead transitions. [2024-11-09 07:00:10,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 933 transitions, 1935 flow [2024-11-09 07:00:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-09 07:00:10,584 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-11-09 07:00:10,584 INFO L175 Difference]: Start difference. First operand has 928 places, 934 transitions, 1907 flow. Second operand 3 states and 3019 transitions. [2024-11-09 07:00:10,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 933 transitions, 1935 flow [2024-11-09 07:00:10,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 933 transitions, 1905 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:00:10,600 INFO L231 Difference]: Finished difference. Result has 924 places, 933 transitions, 1879 flow [2024-11-09 07:00:10,601 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1875, PETRI_DIFFERENCE_MINUEND_PLACES=922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=931, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1879, PETRI_PLACES=924, PETRI_TRANSITIONS=933} [2024-11-09 07:00:10,602 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -64 predicate places. [2024-11-09 07:00:10,602 INFO L471 AbstractCegarLoop]: Abstraction has has 924 places, 933 transitions, 1879 flow [2024-11-09 07:00:10,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-09 07:00:10,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:10,603 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:10,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 07:00:10,604 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 07:00:10,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:10,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1239658904, now seen corresponding path program 1 times [2024-11-09 07:00:10,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:10,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178011242] [2024-11-09 07:00:10,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:10,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:10,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:10,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178011242] [2024-11-09 07:00:10,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178011242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:10,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:10,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:10,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921319189] [2024-11-09 07:00:10,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:10,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:10,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:10,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:10,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:10,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-11-09 07:00:10,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 933 transitions, 1879 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-09 07:00:10,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:10,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-11-09 07:00:10,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:11,035 INFO L124 PetriNetUnfolderBase]: 53/1627 cut-off events. [2024-11-09 07:00:11,035 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-09 07:00:11,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1691 conditions, 1627 events. 53/1627 cut-off events. For 12/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6153 event pairs, 20 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1648. Up to 50 conditions per place. [2024-11-09 07:00:11,054 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/932 dead transitions. [2024-11-09 07:00:11,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 925 places, 932 transitions, 1907 flow [2024-11-09 07:00:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-09 07:00:11,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-11-09 07:00:11,059 INFO L175 Difference]: Start difference. First operand has 924 places, 933 transitions, 1879 flow. Second operand 3 states and 3019 transitions. [2024-11-09 07:00:11,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 925 places, 932 transitions, 1907 flow [2024-11-09 07:00:11,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 932 transitions, 1903 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:11,069 INFO L231 Difference]: Finished difference. Result has 923 places, 932 transitions, 1877 flow [2024-11-09 07:00:11,071 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1873, PETRI_DIFFERENCE_MINUEND_PLACES=921, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=932, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1877, PETRI_PLACES=923, PETRI_TRANSITIONS=932} [2024-11-09 07:00:11,071 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -65 predicate places. [2024-11-09 07:00:11,071 INFO L471 AbstractCegarLoop]: Abstraction has has 923 places, 932 transitions, 1877 flow [2024-11-09 07:00:11,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-09 07:00:11,072 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:11,073 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:11,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 07:00:11,075 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-09 07:00:11,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:11,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1430515027, now seen corresponding path program 1 times [2024-11-09 07:00:11,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:11,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692010689] [2024-11-09 07:00:11,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:11,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:11,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:11,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692010689] [2024-11-09 07:00:11,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692010689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:11,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:11,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:11,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429122536] [2024-11-09 07:00:11,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:11,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:11,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:11,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:11,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:11,465 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 913 out of 1048 [2024-11-09 07:00:11,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 932 transitions, 1877 flow. Second operand has 3 states, 3 states have (on average 915.0) internal successors, (2745), 3 states have internal predecessors, (2745), 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) [2024-11-09 07:00:11,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:11,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 913 of 1048 [2024-11-09 07:00:11,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand