./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:14:15,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:14:15,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:14:15,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:14:15,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:14:15,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:14:15,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:14:15,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:14:15,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:14:15,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:14:15,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:14:15,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:14:15,809 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:14:15,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:14:15,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:14:15,810 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:14:15,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:14:15,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:14:15,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:14:15,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:14:15,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:14:15,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:14:15,815 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:14:15,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:14:15,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:14:15,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:15,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:14:15,817 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:14:15,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:14:15,819 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2024-10-11 17:14:16,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:14:16,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:14:16,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:14:16,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:14:16,028 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:14:16,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-10-11 17:14:17,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:14:17,538 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:14:17,539 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-10-11 17:14:17,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4a333205a/2912bd086b984019992916e8e7b130c7/FLAG9b38439c1 [2024-10-11 17:14:17,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4a333205a/2912bd086b984019992916e8e7b130c7 [2024-10-11 17:14:17,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:14:17,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:14:17,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:17,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:14:17,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:14:17,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:17" (1/1) ... [2024-10-11 17:14:17,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b7a711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:17, skipping insertion in model container [2024-10-11 17:14:17,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:14:17" (1/1) ... [2024-10-11 17:14:17,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:14:18,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:18,244 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:14:18,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:14:18,385 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:14:18,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18 WrapperNode [2024-10-11 17:14:18,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:14:18,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:18,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:14:18,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:14:18,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,469 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1325 [2024-10-11 17:14:18,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:14:18,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:14:18,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:14:18,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:14:18,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:14:18,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:14:18,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:14:18,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:14:18,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (1/1) ... [2024-10-11 17:14:18,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:14:18,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:14:18,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:14:18,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:14:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:14:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:14:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:14:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:14:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:14:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-11 17:14:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-11 17:14:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:14:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:14:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:14:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:14:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:14:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:14:18,622 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:14:18,769 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:14:18,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:14:20,010 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:14:20,010 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:14:20,054 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:14:20,054 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-11 17:14:20,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:20 BoogieIcfgContainer [2024-10-11 17:14:20,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:14:20,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:14:20,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:14:20,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:14:20,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:14:17" (1/3) ... [2024-10-11 17:14:20,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3d229e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:20, skipping insertion in model container [2024-10-11 17:14:20,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:14:18" (2/3) ... [2024-10-11 17:14:20,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d3d229e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:14:20, skipping insertion in model container [2024-10-11 17:14:20,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:14:20" (3/3) ... [2024-10-11 17:14:20,064 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2024-10-11 17:14:20,093 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:14:20,094 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 227 error locations. [2024-10-11 17:14:20,094 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:14:20,297 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-11 17:14:20,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1679 places, 1780 transitions, 3581 flow [2024-10-11 17:14:21,501 INFO L124 PetriNetUnfolderBase]: 111/1777 cut-off events. [2024-10-11 17:14:21,501 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:14:21,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1790 conditions, 1777 events. 111/1777 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7679 event pairs, 0 based on Foata normal form. 0/1439 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-10-11 17:14:21,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 1679 places, 1780 transitions, 3581 flow [2024-10-11 17:14:21,624 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1656 places, 1754 transitions, 3526 flow [2024-10-11 17:14:21,636 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:14:21,643 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;@5cc3341a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:14:21,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2024-10-11 17:14:21,650 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:14:21,650 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-10-11 17:14:21,650 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:14:21,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:21,651 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:21,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:21,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -141625682, now seen corresponding path program 1 times [2024-10-11 17:14:21,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:21,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974705378] [2024-10-11 17:14:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:21,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:21,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:21,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974705378] [2024-10-11 17:14:21,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974705378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:21,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:21,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:21,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824068272] [2024-10-11 17:14:21,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:21,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:21,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:21,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:21,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:21,916 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-10-11 17:14:21,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1656 places, 1754 transitions, 3526 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:21,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:21,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-10-11 17:14:21,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:24,803 INFO L124 PetriNetUnfolderBase]: 171/3528 cut-off events. [2024-10-11 17:14:24,804 INFO L125 PetriNetUnfolderBase]: For 17/19 co-relation queries the response was YES. [2024-10-11 17:14:24,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 3528 events. 171/3528 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 21483 event pairs, 7 based on Foata normal form. 113/2921 useless extension candidates. Maximal degree in co-relation 3191. Up to 25 conditions per place. [2024-10-11 17:14:24,967 INFO L140 encePairwiseOnDemand]: 1741/1780 looper letters, 11 selfloop transitions, 2 changer transitions 6/1717 dead transitions. [2024-10-11 17:14:24,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1657 places, 1717 transitions, 3478 flow [2024-10-11 17:14:24,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5231 transitions. [2024-10-11 17:14:24,990 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795880149812735 [2024-10-11 17:14:24,992 INFO L175 Difference]: Start difference. First operand has 1656 places, 1754 transitions, 3526 flow. Second operand 3 states and 5231 transitions. [2024-10-11 17:14:24,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1657 places, 1717 transitions, 3478 flow [2024-10-11 17:14:25,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1651 places, 1717 transitions, 3466 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-11 17:14:25,157 INFO L231 Difference]: Finished difference. Result has 1651 places, 1711 transitions, 3432 flow [2024-10-11 17:14:25,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3440, PETRI_DIFFERENCE_MINUEND_PLACES=1649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1717, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1715, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1651, PETRI_TRANSITIONS=1711} [2024-10-11 17:14:25,166 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -5 predicate places. [2024-10-11 17:14:25,167 INFO L471 AbstractCegarLoop]: Abstraction has has 1651 places, 1711 transitions, 3432 flow [2024-10-11 17:14:25,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:25,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:25,171 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:25,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:14:25,171 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:25,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash -621493028, now seen corresponding path program 1 times [2024-10-11 17:14:25,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:25,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677111548] [2024-10-11 17:14:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:25,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:25,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:25,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677111548] [2024-10-11 17:14:25,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677111548] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:25,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:25,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:25,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346651746] [2024-10-11 17:14:25,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:25,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:25,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:25,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:25,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-10-11 17:14:25,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:25,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:25,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-10-11 17:14:25,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:27,002 INFO L124 PetriNetUnfolderBase]: 171/3521 cut-off events. [2024-10-11 17:14:27,002 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-10-11 17:14:27,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3559 conditions, 3521 events. 171/3521 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 22694 event pairs, 7 based on Foata normal form. 0/2809 useless extension candidates. Maximal degree in co-relation 3513. Up to 25 conditions per place. [2024-10-11 17:14:27,150 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2024-10-11 17:14:27,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2024-10-11 17:14:27,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:27,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-10-11 17:14:27,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-10-11 17:14:27,161 INFO L175 Difference]: Start difference. First operand has 1651 places, 1711 transitions, 3432 flow. Second operand 3 states and 5195 transitions. [2024-10-11 17:14:27,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2024-10-11 17:14:27,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:27,181 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2024-10-11 17:14:27,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2024-10-11 17:14:27,184 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -12 predicate places. [2024-10-11 17:14:27,184 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2024-10-11 17:14:27,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:27,188 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:27,188 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] [2024-10-11 17:14:27,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:14:27,188 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:27,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:27,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1868762286, now seen corresponding path program 1 times [2024-10-11 17:14:27,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:27,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206309037] [2024-10-11 17:14:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:27,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:27,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:27,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206309037] [2024-10-11 17:14:27,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206309037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:27,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:27,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:27,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860755421] [2024-10-11 17:14:27,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:27,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:27,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:27,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:27,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:27,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-10-11 17:14:27,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:27,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:27,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-10-11 17:14:27,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:28,474 INFO L124 PetriNetUnfolderBase]: 123/2619 cut-off events. [2024-10-11 17:14:28,474 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:14:28,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2652 conditions, 2619 events. 123/2619 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14373 event pairs, 5 based on Foata normal form. 0/2103 useless extension candidates. Maximal degree in co-relation 2598. Up to 22 conditions per place. [2024-10-11 17:14:28,710 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2024-10-11 17:14:28,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2024-10-11 17:14:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-10-11 17:14:28,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-10-11 17:14:28,727 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5195 transitions. [2024-10-11 17:14:28,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2024-10-11 17:14:28,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:28,768 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2024-10-11 17:14:28,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2024-10-11 17:14:28,775 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -13 predicate places. [2024-10-11 17:14:28,776 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2024-10-11 17:14:28,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:28,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:28,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:28,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:14:28,783 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:28,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:28,784 INFO L85 PathProgramCache]: Analyzing trace with hash -480327262, now seen corresponding path program 1 times [2024-10-11 17:14:28,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:28,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429264597] [2024-10-11 17:14:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:28,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:28,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429264597] [2024-10-11 17:14:28,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429264597] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:28,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:28,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:28,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743033933] [2024-10-11 17:14:28,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:28,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:28,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:28,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:28,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:28,911 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-10-11 17:14:28,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:28,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:28,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-10-11 17:14:28,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:30,264 INFO L124 PetriNetUnfolderBase]: 123/2618 cut-off events. [2024-10-11 17:14:30,264 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:14:30,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2651 conditions, 2618 events. 123/2618 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14900 event pairs, 5 based on Foata normal form. 0/2104 useless extension candidates. Maximal degree in co-relation 2589. Up to 22 conditions per place. [2024-10-11 17:14:30,391 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2024-10-11 17:14:30,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3452 flow [2024-10-11 17:14:30,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:30,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-10-11 17:14:30,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-10-11 17:14:30,399 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5195 transitions. [2024-10-11 17:14:30,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3452 flow [2024-10-11 17:14:30,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:30,416 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2024-10-11 17:14:30,418 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2024-10-11 17:14:30,419 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -14 predicate places. [2024-10-11 17:14:30,419 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2024-10-11 17:14:30,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:30,422 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:30,422 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:14:30,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:14:30,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:30,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:30,424 INFO L85 PathProgramCache]: Analyzing trace with hash 2006462685, now seen corresponding path program 1 times [2024-10-11 17:14:30,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:30,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132536566] [2024-10-11 17:14:30,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:30,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:30,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132536566] [2024-10-11 17:14:30,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132536566] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:30,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:30,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:30,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521319404] [2024-10-11 17:14:30,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:30,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:30,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:30,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:30,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:30,496 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-10-11 17:14:30,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:30,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:30,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-10-11 17:14:30,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:31,328 INFO L124 PetriNetUnfolderBase]: 102/2168 cut-off events. [2024-10-11 17:14:31,329 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-11 17:14:31,443 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 2168 events. 102/2168 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10867 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2133. Up to 25 conditions per place. [2024-10-11 17:14:31,498 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2024-10-11 17:14:31,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3450 flow [2024-10-11 17:14:31,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:31,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-10-11 17:14:31,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-10-11 17:14:31,507 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5195 transitions. [2024-10-11 17:14:31,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3450 flow [2024-10-11 17:14:31,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:31,529 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2024-10-11 17:14:31,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2024-10-11 17:14:31,532 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -15 predicate places. [2024-10-11 17:14:31,532 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2024-10-11 17:14:31,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:31,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:31,537 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] [2024-10-11 17:14:31,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:14:31,537 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:31,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:31,539 INFO L85 PathProgramCache]: Analyzing trace with hash 359272825, now seen corresponding path program 1 times [2024-10-11 17:14:31,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:31,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785230276] [2024-10-11 17:14:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:31,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:31,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:31,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:31,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785230276] [2024-10-11 17:14:31,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785230276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:31,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:31,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:31,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344247168] [2024-10-11 17:14:31,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:31,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:31,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:31,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:31,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:31,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1727 out of 1780 [2024-10-11 17:14:31,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:31,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:31,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1727 of 1780 [2024-10-11 17:14:31,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:32,784 INFO L124 PetriNetUnfolderBase]: 102/2167 cut-off events. [2024-10-11 17:14:32,785 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-10-11 17:14:32,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2202 conditions, 2167 events. 102/2167 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 11216 event pairs, 7 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 2124. Up to 25 conditions per place. [2024-10-11 17:14:32,954 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-10-11 17:14:32,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3448 flow [2024-10-11 17:14:32,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:32,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5195 transitions. [2024-10-11 17:14:32,962 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728464419475655 [2024-10-11 17:14:32,962 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5195 transitions. [2024-10-11 17:14:32,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3448 flow [2024-10-11 17:14:32,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:32,990 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2024-10-11 17:14:32,992 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2024-10-11 17:14:32,993 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -16 predicate places. [2024-10-11 17:14:32,993 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2024-10-11 17:14:32,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1728.3333333333333) internal successors, (5185), 3 states have internal predecessors, (5185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:32,996 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:32,996 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] [2024-10-11 17:14:32,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:14:32,997 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:32,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:32,997 INFO L85 PathProgramCache]: Analyzing trace with hash 337630788, now seen corresponding path program 1 times [2024-10-11 17:14:32,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:32,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606469783] [2024-10-11 17:14:32,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:32,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:33,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:33,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:33,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606469783] [2024-10-11 17:14:33,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606469783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:33,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:33,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:33,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564495817] [2024-10-11 17:14:33,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:33,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:33,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:33,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:33,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:33,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1719 out of 1780 [2024-10-11 17:14:33,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:33,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:33,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1719 of 1780 [2024-10-11 17:14:33,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:38,383 INFO L124 PetriNetUnfolderBase]: 504/9850 cut-off events. [2024-10-11 17:14:38,383 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-10-11 17:14:39,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9933 conditions, 9850 events. 504/9850 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 88738 event pairs, 18 based on Foata normal form. 0/7775 useless extension candidates. Maximal degree in co-relation 9847. Up to 56 conditions per place. [2024-10-11 17:14:39,261 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 19 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-10-11 17:14:39,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3462 flow [2024-10-11 17:14:39,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5179 transitions. [2024-10-11 17:14:39,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9698501872659177 [2024-10-11 17:14:39,269 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5179 transitions. [2024-10-11 17:14:39,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3462 flow [2024-10-11 17:14:39,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:39,295 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2024-10-11 17:14:39,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2024-10-11 17:14:39,298 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -17 predicate places. [2024-10-11 17:14:39,298 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2024-10-11 17:14:39,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1720.3333333333333) internal successors, (5161), 3 states have internal predecessors, (5161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:39,300 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:39,300 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] [2024-10-11 17:14:39,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:14:39,300 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:39,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:39,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1994295369, now seen corresponding path program 1 times [2024-10-11 17:14:39,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:39,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358719639] [2024-10-11 17:14:39,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:39,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:39,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:39,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358719639] [2024-10-11 17:14:39,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358719639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:39,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:39,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:39,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048262855] [2024-10-11 17:14:39,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:39,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:39,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:39,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:39,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:39,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1780 [2024-10-11 17:14:39,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:39,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:39,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1780 [2024-10-11 17:14:39,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:47,464 INFO L124 PetriNetUnfolderBase]: 792/15279 cut-off events. [2024-10-11 17:14:47,465 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-10-11 17:14:47,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15403 conditions, 15279 events. 792/15279 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 154338 event pairs, 30 based on Foata normal form. 0/12031 useless extension candidates. Maximal degree in co-relation 15309. Up to 85 conditions per place. [2024-10-11 17:14:48,356 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 24 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-10-11 17:14:48,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3470 flow [2024-10-11 17:14:48,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:48,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5169 transitions. [2024-10-11 17:14:48,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9679775280898877 [2024-10-11 17:14:48,363 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5169 transitions. [2024-10-11 17:14:48,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3470 flow [2024-10-11 17:14:48,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3466 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:48,384 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2024-10-11 17:14:48,386 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2024-10-11 17:14:48,387 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -18 predicate places. [2024-10-11 17:14:48,387 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2024-10-11 17:14:48,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:48,388 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:48,388 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] [2024-10-11 17:14:48,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:14:48,389 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:48,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:48,389 INFO L85 PathProgramCache]: Analyzing trace with hash 338911972, now seen corresponding path program 1 times [2024-10-11 17:14:48,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:48,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321750612] [2024-10-11 17:14:48,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:48,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:48,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:48,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321750612] [2024-10-11 17:14:48,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321750612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:48,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:48,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:48,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621310460] [2024-10-11 17:14:48,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:48,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:48,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:48,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:48,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:48,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1718 out of 1780 [2024-10-11 17:14:48,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:48,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:48,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1718 of 1780 [2024-10-11 17:14:48,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:14:51,335 INFO L124 PetriNetUnfolderBase]: 297/5780 cut-off events. [2024-10-11 17:14:51,335 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-10-11 17:14:51,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5855 conditions, 5780 events. 297/5780 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42648 event pairs, 18 based on Foata normal form. 0/4585 useless extension candidates. Maximal degree in co-relation 5753. Up to 57 conditions per place. [2024-10-11 17:14:51,629 INFO L140 encePairwiseOnDemand]: 1777/1780 looper letters, 20 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-10-11 17:14:51,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3460 flow [2024-10-11 17:14:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:14:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:14:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-10-11 17:14:51,635 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9694756554307116 [2024-10-11 17:14:51,635 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2024-10-11 17:14:51,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3460 flow [2024-10-11 17:14:51,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:14:51,652 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2024-10-11 17:14:51,654 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1780, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2024-10-11 17:14:51,655 INFO L277 CegarLoopForPetriNet]: 1656 programPoint places, -19 predicate places. [2024-10-11 17:14:51,655 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2024-10-11 17:14:51,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1719.3333333333333) internal successors, (5158), 3 states have internal predecessors, (5158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:51,656 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:14:51,657 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] [2024-10-11 17:14:51,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:14:51,657 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-10-11 17:14:51,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:14:51,657 INFO L85 PathProgramCache]: Analyzing trace with hash -20834817, now seen corresponding path program 1 times [2024-10-11 17:14:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:14:51,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350773770] [2024-10-11 17:14:51,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:14:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:14:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:14:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:14:51,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:14:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350773770] [2024-10-11 17:14:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350773770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:14:51,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:14:51,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:14:51,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943224175] [2024-10-11 17:14:51,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:14:51,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:14:51,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:14:51,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:14:51,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:14:51,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1714 out of 1780 [2024-10-11 17:14:51,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1715.3333333333333) internal successors, (5146), 3 states have internal predecessors, (5146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:14:51,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:14:51,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1714 of 1780 [2024-10-11 17:14:51,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand