./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-prod-cons-eq.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 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:00:17,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:00:17,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:00:17,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:00:17,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:00:17,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:00:17,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:00:17,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:00:17,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:00:17,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:00:17,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:00:17,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:00:17,897 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:00:17,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:00:17,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:00:17,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:00:17,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:00:17,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:00:17,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:00:17,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:00:17,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:00:17,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:00:17,904 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:00:17,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:00:17,905 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:00:17,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:00:17,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:00:17,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:00:17,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:00:17,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:00:17,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:00:17,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:00:17,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:00:17,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:00:17,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:00:17,907 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:00:17,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:00:17,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:00:17,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:00:17,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:00:17,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:00:17,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea [2024-11-19 06:00:18,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:00:18,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:00:18,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:00:18,259 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:00:18,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:00:18,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-11-19 06:00:20,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:00:20,823 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:00:20,823 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-11-19 06:00:20,840 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c62bb5370/7b302aaf6acc40a8887b5883bf9ec420/FLAGf78f83c5a [2024-11-19 06:00:20,859 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c62bb5370/7b302aaf6acc40a8887b5883bf9ec420 [2024-11-19 06:00:20,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:00:20,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:00:20,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:00:20,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:00:20,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:00:20,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:00:20" (1/1) ... [2024-11-19 06:00:20,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e4083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:20, skipping insertion in model container [2024-11-19 06:00:20,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:00:20" (1/1) ... [2024-11-19 06:00:20,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:00:21,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:00:21,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:00:21,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:00:21,691 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:00:21,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21 WrapperNode [2024-11-19 06:00:21,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:00:21,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:00:21,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:00:21,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:00:21,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:21,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:21,844 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 29, calls inlined = 35, statements flattened = 838 [2024-11-19 06:00:21,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:00:21,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:00:21,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:00:21,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:00:21,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:21,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:21,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:21,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:21,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:22,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:22,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:22,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:22,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:00:22,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:00:22,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:00:22,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:00:22,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (1/1) ... [2024-11-19 06:00:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:00:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:00:22,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 06:00:22,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 06:00:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:00:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 06:00:22,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 06:00:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 06:00:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 06:00:22,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 06:00:22,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 06:00:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 06:00:22,240 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 06:00:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 06:00:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 06:00:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:00:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 06:00:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 06:00:22,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 06:00:22,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:00:22,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:00:22,245 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:00:22,413 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:00:22,416 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:00:23,403 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:00:23,403 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:00:24,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:00:24,237 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-19 06:00:24,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:24 BoogieIcfgContainer [2024-11-19 06:00:24,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:00:24,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:00:24,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:00:24,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:00:24,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:00:20" (1/3) ... [2024-11-19 06:00:24,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e9bfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:00:24, skipping insertion in model container [2024-11-19 06:00:24,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:00:21" (2/3) ... [2024-11-19 06:00:24,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e9bfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:00:24, skipping insertion in model container [2024-11-19 06:00:24,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:00:24" (3/3) ... [2024-11-19 06:00:24,245 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2024-11-19 06:00:24,262 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:00:24,262 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 133 error locations. [2024-11-19 06:00:24,263 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:00:24,428 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 06:00:24,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 817 places, 852 transitions, 1725 flow [2024-11-19 06:00:24,798 INFO L124 PetriNetUnfolderBase]: 45/849 cut-off events. [2024-11-19 06:00:24,798 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 06:00:24,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 849 events. 45/849 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1598 event pairs, 0 based on Foata normal form. 0/671 useless extension candidates. Maximal degree in co-relation 605. Up to 2 conditions per place. [2024-11-19 06:00:24,814 INFO L82 GeneralOperation]: Start removeDead. Operand has 817 places, 852 transitions, 1725 flow [2024-11-19 06:00:24,826 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 798 places, 832 transitions, 1682 flow [2024-11-19 06:00:24,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:00:24,844 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;@32b39950, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:00:24,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 234 error locations. [2024-11-19 06:00:24,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:00:24,850 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-19 06:00:24,850 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:00:24,850 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:24,851 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] [2024-11-19 06:00:24,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:24,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1705745168, now seen corresponding path program 1 times [2024-11-19 06:00:24,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:24,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947541547] [2024-11-19 06:00:24,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:24,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:25,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:25,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947541547] [2024-11-19 06:00:25,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947541547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:25,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:25,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:25,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786058159] [2024-11-19 06:00:25,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:25,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:25,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:25,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:25,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:25,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:25,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 832 transitions, 1682 flow. Second operand has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:25,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:25,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:25,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:25,612 INFO L124 PetriNetUnfolderBase]: 58/1094 cut-off events. [2024-11-19 06:00:25,613 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-19 06:00:25,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 1094 events. 58/1094 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3553 event pairs, 19 based on Foata normal form. 77/979 useless extension candidates. Maximal degree in co-relation 784. Up to 65 conditions per place. [2024-11-19 06:00:25,633 INFO L140 encePairwiseOnDemand]: 770/852 looper letters, 14 selfloop transitions, 2 changer transitions 12/752 dead transitions. [2024-11-19 06:00:25,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 752 transitions, 1554 flow [2024-11-19 06:00:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2355 transitions. [2024-11-19 06:00:25,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9213615023474179 [2024-11-19 06:00:25,662 INFO L175 Difference]: Start difference. First operand has 798 places, 832 transitions, 1682 flow. Second operand 3 states and 2355 transitions. [2024-11-19 06:00:25,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 752 transitions, 1554 flow [2024-11-19 06:00:25,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 752 transitions, 1542 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-19 06:00:25,684 INFO L231 Difference]: Finished difference. Result has 742 places, 740 transitions, 1490 flow [2024-11-19 06:00:25,688 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1510, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=750, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1490, PETRI_PLACES=742, PETRI_TRANSITIONS=740} [2024-11-19 06:00:25,691 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -56 predicate places. [2024-11-19 06:00:25,692 INFO L471 AbstractCegarLoop]: Abstraction has has 742 places, 740 transitions, 1490 flow [2024-11-19 06:00:25,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:25,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:25,694 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] [2024-11-19 06:00:25,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:00:25,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:25,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash 740870238, now seen corresponding path program 1 times [2024-11-19 06:00:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769628782] [2024-11-19 06:00:25,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:25,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:25,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:25,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769628782] [2024-11-19 06:00:25,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769628782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:25,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:25,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:25,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614311464] [2024-11-19 06:00:25,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:25,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:25,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:25,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:25,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:25,885 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 746 out of 852 [2024-11-19 06:00:25,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 742 places, 740 transitions, 1490 flow. Second operand has 3 states, 3 states have (on average 747.3333333333334) internal successors, (2242), 3 states have internal predecessors, (2242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:25,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:25,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 746 of 852 [2024-11-19 06:00:25,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:26,324 INFO L124 PetriNetUnfolderBase]: 118/1177 cut-off events. [2024-11-19 06:00:26,324 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-19 06:00:26,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 1177 events. 118/1177 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4323 event pairs, 67 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 1344. Up to 168 conditions per place. [2024-11-19 06:00:26,349 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 21 selfloop transitions, 2 changer transitions 0/739 dead transitions. [2024-11-19 06:00:26,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 731 places, 739 transitions, 1534 flow [2024-11-19 06:00:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2262 transitions. [2024-11-19 06:00:26,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8849765258215962 [2024-11-19 06:00:26,356 INFO L175 Difference]: Start difference. First operand has 742 places, 740 transitions, 1490 flow. Second operand 3 states and 2262 transitions. [2024-11-19 06:00:26,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 731 places, 739 transitions, 1534 flow [2024-11-19 06:00:26,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 739 transitions, 1530 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:26,374 INFO L231 Difference]: Finished difference. Result has 729 places, 739 transitions, 1488 flow [2024-11-19 06:00:26,375 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1484, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=737, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1488, PETRI_PLACES=729, PETRI_TRANSITIONS=739} [2024-11-19 06:00:26,376 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -69 predicate places. [2024-11-19 06:00:26,377 INFO L471 AbstractCegarLoop]: Abstraction has has 729 places, 739 transitions, 1488 flow [2024-11-19 06:00:26,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 747.3333333333334) internal successors, (2242), 3 states have internal predecessors, (2242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:26,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:26,379 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:26,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:00:26,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:26,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:26,380 INFO L85 PathProgramCache]: Analyzing trace with hash -457459096, now seen corresponding path program 1 times [2024-11-19 06:00:26,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:26,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552894127] [2024-11-19 06:00:26,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:26,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:26,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552894127] [2024-11-19 06:00:26,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552894127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:26,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:26,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:26,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655294270] [2024-11-19 06:00:26,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:26,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:26,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:26,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:26,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:26,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 852 [2024-11-19 06:00:26,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 739 transitions, 1488 flow. Second operand has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:26,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:26,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 852 [2024-11-19 06:00:26,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:26,908 INFO L124 PetriNetUnfolderBase]: 172/1301 cut-off events. [2024-11-19 06:00:26,909 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-19 06:00:26,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 1301 events. 172/1301 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5345 event pairs, 99 based on Foata normal form. 0/1127 useless extension candidates. Maximal degree in co-relation 1564. Up to 235 conditions per place. [2024-11-19 06:00:26,925 INFO L140 encePairwiseOnDemand]: 843/852 looper letters, 27 selfloop transitions, 3 changer transitions 0/738 dead transitions. [2024-11-19 06:00:26,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 725 places, 738 transitions, 1548 flow [2024-11-19 06:00:26,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:26,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2256 transitions. [2024-11-19 06:00:26,931 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8826291079812206 [2024-11-19 06:00:26,931 INFO L175 Difference]: Start difference. First operand has 729 places, 739 transitions, 1488 flow. Second operand 3 states and 2256 transitions. [2024-11-19 06:00:26,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 725 places, 738 transitions, 1548 flow [2024-11-19 06:00:26,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 723 places, 738 transitions, 1544 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:26,940 INFO L231 Difference]: Finished difference. Result has 723 places, 733 transitions, 1478 flow [2024-11-19 06:00:26,941 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=721, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=730, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1478, PETRI_PLACES=723, PETRI_TRANSITIONS=733} [2024-11-19 06:00:26,942 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -75 predicate places. [2024-11-19 06:00:26,942 INFO L471 AbstractCegarLoop]: Abstraction has has 723 places, 733 transitions, 1478 flow [2024-11-19 06:00:26,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:26,943 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:26,943 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] [2024-11-19 06:00:26,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:00:26,943 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:26,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:26,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1450475615, now seen corresponding path program 1 times [2024-11-19 06:00:26,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:26,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885370134] [2024-11-19 06:00:26,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:26,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:26,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:26,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885370134] [2024-11-19 06:00:26,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885370134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:26,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:26,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:26,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6746546] [2024-11-19 06:00:26,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:26,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:26,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:26,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:26,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:27,039 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 741 out of 852 [2024-11-19 06:00:27,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 733 transitions, 1478 flow. Second operand has 3 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:27,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:27,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 741 of 852 [2024-11-19 06:00:27,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:27,485 INFO L124 PetriNetUnfolderBase]: 418/2446 cut-off events. [2024-11-19 06:00:27,485 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2024-11-19 06:00:27,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3054 conditions, 2446 events. 418/2446 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 13216 event pairs, 235 based on Foata normal form. 0/2001 useless extension candidates. Maximal degree in co-relation 1984. Up to 557 conditions per place. [2024-11-19 06:00:27,498 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 26 selfloop transitions, 2 changer transitions 0/732 dead transitions. [2024-11-19 06:00:27,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 732 transitions, 1532 flow [2024-11-19 06:00:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2252 transitions. [2024-11-19 06:00:27,502 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8810641627543035 [2024-11-19 06:00:27,502 INFO L175 Difference]: Start difference. First operand has 723 places, 733 transitions, 1478 flow. Second operand 3 states and 2252 transitions. [2024-11-19 06:00:27,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 732 transitions, 1532 flow [2024-11-19 06:00:27,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 732 transitions, 1526 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:27,511 INFO L231 Difference]: Finished difference. Result has 722 places, 732 transitions, 1474 flow [2024-11-19 06:00:27,513 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=720, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=730, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=722, PETRI_TRANSITIONS=732} [2024-11-19 06:00:27,513 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -76 predicate places. [2024-11-19 06:00:27,514 INFO L471 AbstractCegarLoop]: Abstraction has has 722 places, 732 transitions, 1474 flow [2024-11-19 06:00:27,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:27,515 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:27,515 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] [2024-11-19 06:00:27,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:00:27,516 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:27,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:27,516 INFO L85 PathProgramCache]: Analyzing trace with hash 16345224, now seen corresponding path program 1 times [2024-11-19 06:00:27,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:27,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100949287] [2024-11-19 06:00:27,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:27,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:27,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:27,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100949287] [2024-11-19 06:00:27,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100949287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:27,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:27,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931839948] [2024-11-19 06:00:27,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:27,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:27,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:27,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:27,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:27,573 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-19 06:00:27,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 722 places, 732 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:27,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:27,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-19 06:00:27,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:27,732 INFO L124 PetriNetUnfolderBase]: 58/1053 cut-off events. [2024-11-19 06:00:27,733 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-19 06:00:27,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1138 conditions, 1053 events. 58/1053 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3329 event pairs, 19 based on Foata normal form. 0/902 useless extension candidates. Maximal degree in co-relation 1080. Up to 67 conditions per place. [2024-11-19 06:00:27,746 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 2 changer transitions 0/731 dead transitions. [2024-11-19 06:00:27,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 723 places, 731 transitions, 1508 flow [2024-11-19 06:00:27,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-19 06:00:27,750 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-19 06:00:27,750 INFO L175 Difference]: Start difference. First operand has 722 places, 732 transitions, 1474 flow. Second operand 3 states and 2272 transitions. [2024-11-19 06:00:27,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 723 places, 731 transitions, 1508 flow [2024-11-19 06:00:27,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 721 places, 731 transitions, 1504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:27,759 INFO L231 Difference]: Finished difference. Result has 721 places, 731 transitions, 1472 flow [2024-11-19 06:00:27,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1468, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1472, PETRI_PLACES=721, PETRI_TRANSITIONS=731} [2024-11-19 06:00:27,761 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -77 predicate places. [2024-11-19 06:00:27,761 INFO L471 AbstractCegarLoop]: Abstraction has has 721 places, 731 transitions, 1472 flow [2024-11-19 06:00:27,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:27,763 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:27,763 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] [2024-11-19 06:00:27,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 06:00:27,763 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:27,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:27,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1578952280, now seen corresponding path program 1 times [2024-11-19 06:00:27,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:27,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451651936] [2024-11-19 06:00:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:27,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:27,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:27,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451651936] [2024-11-19 06:00:27,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451651936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:27,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:27,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:27,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36345677] [2024-11-19 06:00:27,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:27,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:27,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:27,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:27,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:27,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:27,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 731 transitions, 1472 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:27,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:27,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:27,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:27,982 INFO L124 PetriNetUnfolderBase]: 68/1036 cut-off events. [2024-11-19 06:00:27,982 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-19 06:00:27,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 1036 events. 68/1036 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3230 event pairs, 11 based on Foata normal form. 0/892 useless extension candidates. Maximal degree in co-relation 1077. Up to 47 conditions per place. [2024-11-19 06:00:27,993 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 21 selfloop transitions, 3 changer transitions 0/737 dead transitions. [2024-11-19 06:00:27,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 737 transitions, 1536 flow [2024-11-19 06:00:27,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2285 transitions. [2024-11-19 06:00:27,997 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8939749608763693 [2024-11-19 06:00:27,998 INFO L175 Difference]: Start difference. First operand has 721 places, 731 transitions, 1472 flow. Second operand 3 states and 2285 transitions. [2024-11-19 06:00:27,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 737 transitions, 1536 flow [2024-11-19 06:00:28,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 737 transitions, 1532 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:28,007 INFO L231 Difference]: Finished difference. Result has 721 places, 731 transitions, 1484 flow [2024-11-19 06:00:28,008 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1464, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=726, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1484, PETRI_PLACES=721, PETRI_TRANSITIONS=731} [2024-11-19 06:00:28,009 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -77 predicate places. [2024-11-19 06:00:28,009 INFO L471 AbstractCegarLoop]: Abstraction has has 721 places, 731 transitions, 1484 flow [2024-11-19 06:00:28,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:28,011 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] [2024-11-19 06:00:28,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:00:28,011 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:28,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:28,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1712700147, now seen corresponding path program 1 times [2024-11-19 06:00:28,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:28,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036154956] [2024-11-19 06:00:28,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:28,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:28,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:28,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:28,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036154956] [2024-11-19 06:00:28,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036154956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:28,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:28,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:28,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058185753] [2024-11-19 06:00:28,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:28,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:28,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:28,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:28,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:28,071 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 748 out of 852 [2024-11-19 06:00:28,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 731 transitions, 1484 flow. Second operand has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:28,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 748 of 852 [2024-11-19 06:00:28,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:28,337 INFO L124 PetriNetUnfolderBase]: 230/1671 cut-off events. [2024-11-19 06:00:28,338 INFO L125 PetriNetUnfolderBase]: For 136/136 co-relation queries the response was YES. [2024-11-19 06:00:28,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2075 conditions, 1671 events. 230/1671 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8144 event pairs, 131 based on Foata normal form. 0/1391 useless extension candidates. Maximal degree in co-relation 1443. Up to 310 conditions per place. [2024-11-19 06:00:28,353 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 20 selfloop transitions, 2 changer transitions 0/730 dead transitions. [2024-11-19 06:00:28,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 722 places, 730 transitions, 1526 flow [2024-11-19 06:00:28,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:28,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:28,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2266 transitions. [2024-11-19 06:00:28,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8865414710485133 [2024-11-19 06:00:28,357 INFO L175 Difference]: Start difference. First operand has 721 places, 731 transitions, 1484 flow. Second operand 3 states and 2266 transitions. [2024-11-19 06:00:28,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 722 places, 730 transitions, 1526 flow [2024-11-19 06:00:28,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 720 places, 730 transitions, 1520 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:28,366 INFO L231 Difference]: Finished difference. Result has 720 places, 730 transitions, 1480 flow [2024-11-19 06:00:28,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1476, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1480, PETRI_PLACES=720, PETRI_TRANSITIONS=730} [2024-11-19 06:00:28,368 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -78 predicate places. [2024-11-19 06:00:28,368 INFO L471 AbstractCegarLoop]: Abstraction has has 720 places, 730 transitions, 1480 flow [2024-11-19 06:00:28,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:28,370 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] [2024-11-19 06:00:28,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 06:00:28,370 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:28,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:28,370 INFO L85 PathProgramCache]: Analyzing trace with hash 140338817, now seen corresponding path program 1 times [2024-11-19 06:00:28,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:28,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364480364] [2024-11-19 06:00:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:28,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:28,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364480364] [2024-11-19 06:00:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364480364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:28,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:28,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:28,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224329848] [2024-11-19 06:00:28,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:28,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:28,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:28,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:28,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 852 [2024-11-19 06:00:28,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 720 places, 730 transitions, 1480 flow. Second operand has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:28,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 852 [2024-11-19 06:00:28,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:28,603 INFO L124 PetriNetUnfolderBase]: 70/1098 cut-off events. [2024-11-19 06:00:28,603 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-19 06:00:28,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 1098 events. 70/1098 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3761 event pairs, 27 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 1148. Up to 86 conditions per place. [2024-11-19 06:00:28,615 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 2 changer transitions 0/729 dead transitions. [2024-11-19 06:00:28,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 729 transitions, 1514 flow [2024-11-19 06:00:28,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2024-11-19 06:00:28,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8896713615023474 [2024-11-19 06:00:28,619 INFO L175 Difference]: Start difference. First operand has 720 places, 730 transitions, 1480 flow. Second operand 3 states and 2274 transitions. [2024-11-19 06:00:28,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 729 transitions, 1514 flow [2024-11-19 06:00:28,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 729 transitions, 1510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:28,628 INFO L231 Difference]: Finished difference. Result has 719 places, 729 transitions, 1478 flow [2024-11-19 06:00:28,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1474, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=727, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1478, PETRI_PLACES=719, PETRI_TRANSITIONS=729} [2024-11-19 06:00:28,629 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -79 predicate places. [2024-11-19 06:00:28,630 INFO L471 AbstractCegarLoop]: Abstraction has has 719 places, 729 transitions, 1478 flow [2024-11-19 06:00:28,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:28,631 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] [2024-11-19 06:00:28,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 06:00:28,632 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:28,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:28,632 INFO L85 PathProgramCache]: Analyzing trace with hash -363127821, now seen corresponding path program 1 times [2024-11-19 06:00:28,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:28,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259607283] [2024-11-19 06:00:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:28,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:28,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:28,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259607283] [2024-11-19 06:00:28,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259607283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:28,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:28,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:28,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18104309] [2024-11-19 06:00:28,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:28,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:28,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:28,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:28,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:28,681 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-19 06:00:28,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 729 transitions, 1478 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:28,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-19 06:00:28,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:28,953 INFO L124 PetriNetUnfolderBase]: 110/1240 cut-off events. [2024-11-19 06:00:28,953 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-19 06:00:28,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1240 events. 110/1240 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4978 event pairs, 53 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 1346. Up to 142 conditions per place. [2024-11-19 06:00:28,968 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/728 dead transitions. [2024-11-19 06:00:28,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 728 transitions, 1514 flow [2024-11-19 06:00:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-19 06:00:28,973 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-19 06:00:28,973 INFO L175 Difference]: Start difference. First operand has 719 places, 729 transitions, 1478 flow. Second operand 3 states and 2272 transitions. [2024-11-19 06:00:28,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 728 transitions, 1514 flow [2024-11-19 06:00:28,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 718 places, 728 transitions, 1510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:28,986 INFO L231 Difference]: Finished difference. Result has 718 places, 728 transitions, 1476 flow [2024-11-19 06:00:28,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=716, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=728, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=726, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1476, PETRI_PLACES=718, PETRI_TRANSITIONS=728} [2024-11-19 06:00:28,987 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -80 predicate places. [2024-11-19 06:00:28,987 INFO L471 AbstractCegarLoop]: Abstraction has has 718 places, 728 transitions, 1476 flow [2024-11-19 06:00:28,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:28,989 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:28,989 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] [2024-11-19 06:00:28,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 06:00:28,990 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:28,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash -805091486, now seen corresponding path program 1 times [2024-11-19 06:00:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:28,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900070049] [2024-11-19 06:00:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:28,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:29,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:29,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900070049] [2024-11-19 06:00:29,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900070049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:29,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:29,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:29,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735124104] [2024-11-19 06:00:29,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:29,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:29,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:29,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:29,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:29,063 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 747 out of 852 [2024-11-19 06:00:29,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 728 transitions, 1476 flow. Second operand has 3 states, 3 states have (on average 748.3333333333334) internal successors, (2245), 3 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:29,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:29,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 747 of 852 [2024-11-19 06:00:29,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:29,336 INFO L124 PetriNetUnfolderBase]: 208/1516 cut-off events. [2024-11-19 06:00:29,337 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-19 06:00:29,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1888 conditions, 1516 events. 208/1516 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7094 event pairs, 129 based on Foata normal form. 0/1231 useless extension candidates. Maximal degree in co-relation 1797. Up to 291 conditions per place. [2024-11-19 06:00:29,354 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 21 selfloop transitions, 2 changer transitions 0/727 dead transitions. [2024-11-19 06:00:29,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 719 places, 727 transitions, 1520 flow [2024-11-19 06:00:29,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2264 transitions. [2024-11-19 06:00:29,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8857589984350548 [2024-11-19 06:00:29,358 INFO L175 Difference]: Start difference. First operand has 718 places, 728 transitions, 1476 flow. Second operand 3 states and 2264 transitions. [2024-11-19 06:00:29,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 719 places, 727 transitions, 1520 flow [2024-11-19 06:00:29,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 727 transitions, 1516 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:29,368 INFO L231 Difference]: Finished difference. Result has 717 places, 727 transitions, 1474 flow [2024-11-19 06:00:29,369 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=727, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=725, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=717, PETRI_TRANSITIONS=727} [2024-11-19 06:00:29,370 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -81 predicate places. [2024-11-19 06:00:29,370 INFO L471 AbstractCegarLoop]: Abstraction has has 717 places, 727 transitions, 1474 flow [2024-11-19 06:00:29,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 748.3333333333334) internal successors, (2245), 3 states have internal predecessors, (2245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:29,371 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:29,371 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:29,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 06:00:29,372 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:29,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:29,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1248222832, now seen corresponding path program 1 times [2024-11-19 06:00:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:29,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314254596] [2024-11-19 06:00:29,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:29,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:29,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:29,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:29,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314254596] [2024-11-19 06:00:29,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314254596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:29,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:29,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:29,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226608754] [2024-11-19 06:00:29,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:29,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:29,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:29,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:29,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:29,438 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 748 out of 852 [2024-11-19 06:00:29,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 717 places, 727 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:29,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:29,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 748 of 852 [2024-11-19 06:00:29,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:29,743 INFO L124 PetriNetUnfolderBase]: 110/1238 cut-off events. [2024-11-19 06:00:29,743 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-19 06:00:29,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1430 conditions, 1238 events. 110/1238 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4888 event pairs, 53 based on Foata normal form. 0/1053 useless extension candidates. Maximal degree in co-relation 1331. Up to 145 conditions per place. [2024-11-19 06:00:29,760 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 20 selfloop transitions, 2 changer transitions 0/726 dead transitions. [2024-11-19 06:00:29,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 726 transitions, 1516 flow [2024-11-19 06:00:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:29,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2266 transitions. [2024-11-19 06:00:29,766 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8865414710485133 [2024-11-19 06:00:29,767 INFO L175 Difference]: Start difference. First operand has 717 places, 727 transitions, 1474 flow. Second operand 3 states and 2266 transitions. [2024-11-19 06:00:29,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 726 transitions, 1516 flow [2024-11-19 06:00:29,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 716 places, 726 transitions, 1512 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:29,780 INFO L231 Difference]: Finished difference. Result has 716 places, 726 transitions, 1472 flow [2024-11-19 06:00:29,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1468, PETRI_DIFFERENCE_MINUEND_PLACES=714, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1472, PETRI_PLACES=716, PETRI_TRANSITIONS=726} [2024-11-19 06:00:29,783 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -82 predicate places. [2024-11-19 06:00:29,783 INFO L471 AbstractCegarLoop]: Abstraction has has 716 places, 726 transitions, 1472 flow [2024-11-19 06:00:29,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:29,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:29,786 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] [2024-11-19 06:00:29,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 06:00:29,786 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:29,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:29,787 INFO L85 PathProgramCache]: Analyzing trace with hash -808374088, now seen corresponding path program 1 times [2024-11-19 06:00:29,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:29,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117464175] [2024-11-19 06:00:29,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:29,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:29,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:29,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117464175] [2024-11-19 06:00:29,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117464175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:29,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:29,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:29,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717036504] [2024-11-19 06:00:29,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:29,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:29,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:29,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:29,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:29,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-19 06:00:29,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 726 transitions, 1472 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:29,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:29,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-19 06:00:29,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:30,159 INFO L124 PetriNetUnfolderBase]: 110/1237 cut-off events. [2024-11-19 06:00:30,159 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-19 06:00:30,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1426 conditions, 1237 events. 110/1237 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4832 event pairs, 53 based on Foata normal form. 0/1045 useless extension candidates. Maximal degree in co-relation 1319. Up to 142 conditions per place. [2024-11-19 06:00:30,184 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/725 dead transitions. [2024-11-19 06:00:30,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 717 places, 725 transitions, 1508 flow [2024-11-19 06:00:30,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-19 06:00:30,193 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-19 06:00:30,193 INFO L175 Difference]: Start difference. First operand has 716 places, 726 transitions, 1472 flow. Second operand 3 states and 2272 transitions. [2024-11-19 06:00:30,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 717 places, 725 transitions, 1508 flow [2024-11-19 06:00:30,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 725 transitions, 1504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:30,206 INFO L231 Difference]: Finished difference. Result has 715 places, 725 transitions, 1470 flow [2024-11-19 06:00:30,207 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1466, PETRI_DIFFERENCE_MINUEND_PLACES=713, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=725, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=723, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=715, PETRI_TRANSITIONS=725} [2024-11-19 06:00:30,210 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -83 predicate places. [2024-11-19 06:00:30,210 INFO L471 AbstractCegarLoop]: Abstraction has has 715 places, 725 transitions, 1470 flow [2024-11-19 06:00:30,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:30,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:30,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:00:30,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 06:00:30,213 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:30,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash 848015721, now seen corresponding path program 1 times [2024-11-19 06:00:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:30,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336905862] [2024-11-19 06:00:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:30,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:30,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:30,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336905862] [2024-11-19 06:00:30,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336905862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:30,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:30,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:30,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564950881] [2024-11-19 06:00:30,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:30,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:30,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:30,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:30,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:30,286 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:30,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 725 transitions, 1470 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:30,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:30,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:30,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:31,228 INFO L124 PetriNetUnfolderBase]: 252/4879 cut-off events. [2024-11-19 06:00:31,228 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-19 06:00:31,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5148 conditions, 4879 events. 252/4879 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 35872 event pairs, 79 based on Foata normal form. 0/3903 useless extension candidates. Maximal degree in co-relation 5033. Up to 214 conditions per place. [2024-11-19 06:00:31,285 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 1 changer transitions 0/723 dead transitions. [2024-11-19 06:00:31,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 715 places, 723 transitions, 1500 flow [2024-11-19 06:00:31,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2277 transitions. [2024-11-19 06:00:31,291 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8908450704225352 [2024-11-19 06:00:31,291 INFO L175 Difference]: Start difference. First operand has 715 places, 725 transitions, 1470 flow. Second operand 3 states and 2277 transitions. [2024-11-19 06:00:31,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 715 places, 723 transitions, 1500 flow [2024-11-19 06:00:31,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 723 transitions, 1496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:31,302 INFO L231 Difference]: Finished difference. Result has 713 places, 723 transitions, 1464 flow [2024-11-19 06:00:31,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=711, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1464, PETRI_PLACES=713, PETRI_TRANSITIONS=723} [2024-11-19 06:00:31,304 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -85 predicate places. [2024-11-19 06:00:31,304 INFO L471 AbstractCegarLoop]: Abstraction has has 713 places, 723 transitions, 1464 flow [2024-11-19 06:00:31,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:31,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:31,306 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] [2024-11-19 06:00:31,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 06:00:31,306 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:31,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2104301585, now seen corresponding path program 1 times [2024-11-19 06:00:31,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:31,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357697126] [2024-11-19 06:00:31,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:32,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:32,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357697126] [2024-11-19 06:00:32,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357697126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:32,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:32,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:00:32,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545749061] [2024-11-19 06:00:32,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:32,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:00:32,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:32,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:00:32,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:00:32,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 852 [2024-11-19 06:00:32,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 723 transitions, 1464 flow. Second operand has 6 states, 6 states have (on average 671.5) internal successors, (4029), 6 states have internal predecessors, (4029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:32,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:32,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 852 [2024-11-19 06:00:32,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:36,794 INFO L124 PetriNetUnfolderBase]: 2081/10266 cut-off events. [2024-11-19 06:00:36,796 INFO L125 PetriNetUnfolderBase]: For 690/690 co-relation queries the response was YES. [2024-11-19 06:00:36,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13600 conditions, 10266 events. 2081/10266 cut-off events. For 690/690 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 91800 event pairs, 1421 based on Foata normal form. 0/8441 useless extension candidates. Maximal degree in co-relation 13486. Up to 2842 conditions per place. [2024-11-19 06:00:36,910 INFO L140 encePairwiseOnDemand]: 828/852 looper letters, 78 selfloop transitions, 20 changer transitions 0/719 dead transitions. [2024-11-19 06:00:36,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 719 transitions, 1652 flow [2024-11-19 06:00:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:00:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:00:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4121 transitions. [2024-11-19 06:00:36,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8061424100156495 [2024-11-19 06:00:36,931 INFO L175 Difference]: Start difference. First operand has 713 places, 723 transitions, 1464 flow. Second operand 6 states and 4121 transitions. [2024-11-19 06:00:36,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 719 transitions, 1652 flow [2024-11-19 06:00:36,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 719 transitions, 1651 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:36,949 INFO L231 Difference]: Finished difference. Result has 713 places, 719 transitions, 1495 flow [2024-11-19 06:00:36,950 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1455, PETRI_DIFFERENCE_MINUEND_PLACES=708, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1495, PETRI_PLACES=713, PETRI_TRANSITIONS=719} [2024-11-19 06:00:36,955 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -85 predicate places. [2024-11-19 06:00:36,955 INFO L471 AbstractCegarLoop]: Abstraction has has 713 places, 719 transitions, 1495 flow [2024-11-19 06:00:36,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 671.5) internal successors, (4029), 6 states have internal predecessors, (4029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:36,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:36,965 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] [2024-11-19 06:00:36,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 06:00:36,966 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:36,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:36,966 INFO L85 PathProgramCache]: Analyzing trace with hash 446710845, now seen corresponding path program 1 times [2024-11-19 06:00:36,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:36,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692812695] [2024-11-19 06:00:36,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:36,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:37,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:37,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692812695] [2024-11-19 06:00:37,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692812695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:37,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:37,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:37,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282576659] [2024-11-19 06:00:37,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:37,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:37,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:37,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:37,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:37,086 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 750 out of 852 [2024-11-19 06:00:37,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 719 transitions, 1495 flow. Second operand has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:37,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:37,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 750 of 852 [2024-11-19 06:00:37,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:37,729 INFO L124 PetriNetUnfolderBase]: 190/1516 cut-off events. [2024-11-19 06:00:37,729 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-19 06:00:37,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1851 conditions, 1516 events. 190/1516 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7149 event pairs, 105 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 1787. Up to 253 conditions per place. [2024-11-19 06:00:37,765 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 18 selfloop transitions, 2 changer transitions 0/718 dead transitions. [2024-11-19 06:00:37,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 718 transitions, 1533 flow [2024-11-19 06:00:37,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:37,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2270 transitions. [2024-11-19 06:00:37,777 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8881064162754304 [2024-11-19 06:00:37,777 INFO L175 Difference]: Start difference. First operand has 713 places, 719 transitions, 1495 flow. Second operand 3 states and 2270 transitions. [2024-11-19 06:00:37,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 718 transitions, 1533 flow [2024-11-19 06:00:37,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 718 transitions, 1493 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:00:37,792 INFO L231 Difference]: Finished difference. Result has 709 places, 718 transitions, 1457 flow [2024-11-19 06:00:37,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1453, PETRI_DIFFERENCE_MINUEND_PLACES=707, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1457, PETRI_PLACES=709, PETRI_TRANSITIONS=718} [2024-11-19 06:00:37,796 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -89 predicate places. [2024-11-19 06:00:37,796 INFO L471 AbstractCegarLoop]: Abstraction has has 709 places, 718 transitions, 1457 flow [2024-11-19 06:00:37,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:37,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:37,797 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] [2024-11-19 06:00:37,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 06:00:37,798 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:37,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:37,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1866721520, now seen corresponding path program 1 times [2024-11-19 06:00:37,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:37,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727354366] [2024-11-19 06:00:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:37,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:37,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:37,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:37,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727354366] [2024-11-19 06:00:37,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727354366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:37,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:37,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270639211] [2024-11-19 06:00:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:37,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:37,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:37,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:37,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:37,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 741 out of 852 [2024-11-19 06:00:37,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 718 transitions, 1457 flow. Second operand has 3 states, 3 states have (on average 742.0) internal successors, (2226), 3 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:37,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:37,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 741 of 852 [2024-11-19 06:00:37,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:40,967 INFO L124 PetriNetUnfolderBase]: 681/9111 cut-off events. [2024-11-19 06:00:40,968 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-19 06:00:41,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9940 conditions, 9111 events. 681/9111 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 83806 event pairs, 287 based on Foata normal form. 0/7285 useless extension candidates. Maximal degree in co-relation 9825. Up to 689 conditions per place. [2024-11-19 06:00:41,150 INFO L140 encePairwiseOnDemand]: 845/852 looper letters, 24 selfloop transitions, 1 changer transitions 0/712 dead transitions. [2024-11-19 06:00:41,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 712 transitions, 1495 flow [2024-11-19 06:00:41,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:41,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2253 transitions. [2024-11-19 06:00:41,165 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8814553990610329 [2024-11-19 06:00:41,166 INFO L175 Difference]: Start difference. First operand has 709 places, 718 transitions, 1457 flow. Second operand 3 states and 2253 transitions. [2024-11-19 06:00:41,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 712 transitions, 1495 flow [2024-11-19 06:00:41,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 712 transitions, 1491 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:41,197 INFO L231 Difference]: Finished difference. Result has 703 places, 712 transitions, 1443 flow [2024-11-19 06:00:41,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1443, PETRI_PLACES=703, PETRI_TRANSITIONS=712} [2024-11-19 06:00:41,202 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -95 predicate places. [2024-11-19 06:00:41,203 INFO L471 AbstractCegarLoop]: Abstraction has has 703 places, 712 transitions, 1443 flow [2024-11-19 06:00:41,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 742.0) internal successors, (2226), 3 states have internal predecessors, (2226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:41,210 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] [2024-11-19 06:00:41,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 06:00:41,210 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:41,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash 780127852, now seen corresponding path program 1 times [2024-11-19 06:00:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:41,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98868452] [2024-11-19 06:00:41,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:41,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:41,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98868452] [2024-11-19 06:00:41,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98868452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:41,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:41,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112017680] [2024-11-19 06:00:41,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:41,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:41,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:41,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:41,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:41,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-19 06:00:41,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 712 transitions, 1443 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:41,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-19 06:00:41,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:41,888 INFO L124 PetriNetUnfolderBase]: 131/1261 cut-off events. [2024-11-19 06:00:41,889 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-19 06:00:41,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1494 conditions, 1261 events. 131/1261 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5006 event pairs, 71 based on Foata normal form. 0/1076 useless extension candidates. Maximal degree in co-relation 1379. Up to 175 conditions per place. [2024-11-19 06:00:41,923 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/711 dead transitions. [2024-11-19 06:00:41,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 711 transitions, 1479 flow [2024-11-19 06:00:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-19 06:00:41,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-19 06:00:41,936 INFO L175 Difference]: Start difference. First operand has 703 places, 712 transitions, 1443 flow. Second operand 3 states and 2272 transitions. [2024-11-19 06:00:41,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 711 transitions, 1479 flow [2024-11-19 06:00:41,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 711 transitions, 1478 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:41,959 INFO L231 Difference]: Finished difference. Result has 703 places, 711 transitions, 1444 flow [2024-11-19 06:00:41,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1440, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1444, PETRI_PLACES=703, PETRI_TRANSITIONS=711} [2024-11-19 06:00:41,965 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -95 predicate places. [2024-11-19 06:00:41,965 INFO L471 AbstractCegarLoop]: Abstraction has has 703 places, 711 transitions, 1444 flow [2024-11-19 06:00:41,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:41,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:41,967 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] [2024-11-19 06:00:41,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 06:00:41,967 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:41,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:41,970 INFO L85 PathProgramCache]: Analyzing trace with hash 936091404, now seen corresponding path program 1 times [2024-11-19 06:00:41,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:41,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086389718] [2024-11-19 06:00:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:41,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:42,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:42,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086389718] [2024-11-19 06:00:42,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086389718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:42,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:42,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:42,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320138039] [2024-11-19 06:00:42,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:42,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:42,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:42,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:42,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:42,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 756 out of 852 [2024-11-19 06:00:42,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 711 transitions, 1444 flow. Second operand has 3 states, 3 states have (on average 757.0) internal successors, (2271), 3 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:42,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:42,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 756 of 852 [2024-11-19 06:00:42,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:42,660 INFO L124 PetriNetUnfolderBase]: 70/1071 cut-off events. [2024-11-19 06:00:42,661 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-19 06:00:42,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1071 events. 70/1071 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3634 event pairs, 27 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 1080. Up to 83 conditions per place. [2024-11-19 06:00:42,678 INFO L140 encePairwiseOnDemand]: 850/852 looper letters, 14 selfloop transitions, 1 changer transitions 0/710 dead transitions. [2024-11-19 06:00:42,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 710 transitions, 1472 flow [2024-11-19 06:00:42,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:42,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2283 transitions. [2024-11-19 06:00:42,686 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8931924882629108 [2024-11-19 06:00:42,686 INFO L175 Difference]: Start difference. First operand has 703 places, 711 transitions, 1444 flow. Second operand 3 states and 2283 transitions. [2024-11-19 06:00:42,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 710 transitions, 1472 flow [2024-11-19 06:00:42,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 710 transitions, 1468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:42,706 INFO L231 Difference]: Finished difference. Result has 702 places, 710 transitions, 1440 flow [2024-11-19 06:00:42,707 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1438, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1440, PETRI_PLACES=702, PETRI_TRANSITIONS=710} [2024-11-19 06:00:42,707 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -96 predicate places. [2024-11-19 06:00:42,707 INFO L471 AbstractCegarLoop]: Abstraction has has 702 places, 710 transitions, 1440 flow [2024-11-19 06:00:42,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 757.0) internal successors, (2271), 3 states have internal predecessors, (2271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:42,708 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:42,708 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] [2024-11-19 06:00:42,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 06:00:42,708 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:42,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:42,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1148610698, now seen corresponding path program 1 times [2024-11-19 06:00:42,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:42,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750410860] [2024-11-19 06:00:42,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:42,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:42,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:42,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750410860] [2024-11-19 06:00:42,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750410860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:42,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:42,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:42,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931019835] [2024-11-19 06:00:42,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:42,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:42,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:42,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:42,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:42,842 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:42,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 710 transitions, 1440 flow. Second operand has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:42,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:42,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:42,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:43,332 INFO L124 PetriNetUnfolderBase]: 70/1070 cut-off events. [2024-11-19 06:00:43,338 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-19 06:00:43,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1070 events. 70/1070 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3624 event pairs, 27 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 1080. Up to 85 conditions per place. [2024-11-19 06:00:43,364 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 15 selfloop transitions, 2 changer transitions 0/709 dead transitions. [2024-11-19 06:00:43,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 709 transitions, 1472 flow [2024-11-19 06:00:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2276 transitions. [2024-11-19 06:00:43,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8904538341158059 [2024-11-19 06:00:43,379 INFO L175 Difference]: Start difference. First operand has 702 places, 710 transitions, 1440 flow. Second operand 3 states and 2276 transitions. [2024-11-19 06:00:43,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 709 transitions, 1472 flow [2024-11-19 06:00:43,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 709 transitions, 1471 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:43,403 INFO L231 Difference]: Finished difference. Result has 702 places, 709 transitions, 1441 flow [2024-11-19 06:00:43,409 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1437, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1441, PETRI_PLACES=702, PETRI_TRANSITIONS=709} [2024-11-19 06:00:43,409 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -96 predicate places. [2024-11-19 06:00:43,409 INFO L471 AbstractCegarLoop]: Abstraction has has 702 places, 709 transitions, 1441 flow [2024-11-19 06:00:43,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:43,411 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:43,412 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] [2024-11-19 06:00:43,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 06:00:43,412 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:43,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:43,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1102053112, now seen corresponding path program 1 times [2024-11-19 06:00:43,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:43,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165840615] [2024-11-19 06:00:43,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:43,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:43,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165840615] [2024-11-19 06:00:43,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165840615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:43,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:43,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911811528] [2024-11-19 06:00:43,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:43,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:43,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:43,964 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 700 out of 852 [2024-11-19 06:00:43,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 709 transitions, 1441 flow. Second operand has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:43,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:43,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 700 of 852 [2024-11-19 06:00:43,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:47,820 INFO L124 PetriNetUnfolderBase]: 2081/10172 cut-off events. [2024-11-19 06:00:47,821 INFO L125 PetriNetUnfolderBase]: For 690/690 co-relation queries the response was YES. [2024-11-19 06:00:47,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13483 conditions, 10172 events. 2081/10172 cut-off events. For 690/690 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 90966 event pairs, 1421 based on Foata normal form. 0/8441 useless extension candidates. Maximal degree in co-relation 13369. Up to 2833 conditions per place. [2024-11-19 06:00:47,915 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 69 selfloop transitions, 2 changer transitions 0/708 dead transitions. [2024-11-19 06:00:47,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 708 transitions, 1581 flow [2024-11-19 06:00:47,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:47,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:47,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2171 transitions. [2024-11-19 06:00:47,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8493740219092332 [2024-11-19 06:00:47,924 INFO L175 Difference]: Start difference. First operand has 702 places, 709 transitions, 1441 flow. Second operand 3 states and 2171 transitions. [2024-11-19 06:00:47,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 708 transitions, 1581 flow [2024-11-19 06:00:47,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 708 transitions, 1577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:47,941 INFO L231 Difference]: Finished difference. Result has 701 places, 708 transitions, 1439 flow [2024-11-19 06:00:47,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=699, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1439, PETRI_PLACES=701, PETRI_TRANSITIONS=708} [2024-11-19 06:00:47,945 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -97 predicate places. [2024-11-19 06:00:47,945 INFO L471 AbstractCegarLoop]: Abstraction has has 701 places, 708 transitions, 1439 flow [2024-11-19 06:00:47,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:47,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:47,946 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] [2024-11-19 06:00:47,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 06:00:47,950 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:47,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:47,951 INFO L85 PathProgramCache]: Analyzing trace with hash -937500694, now seen corresponding path program 1 times [2024-11-19 06:00:47,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:47,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365890275] [2024-11-19 06:00:47,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:47,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:48,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365890275] [2024-11-19 06:00:48,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365890275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:48,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:48,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:48,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644228881] [2024-11-19 06:00:48,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:48,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:48,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:48,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:48,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:48,101 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 852 [2024-11-19 06:00:48,103 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 708 transitions, 1439 flow. Second operand has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:48,103 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:48,103 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 852 [2024-11-19 06:00:48,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:48,596 INFO L124 PetriNetUnfolderBase]: 110/1209 cut-off events. [2024-11-19 06:00:48,597 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-19 06:00:48,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 1209 events. 110/1209 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4421 event pairs, 53 based on Foata normal form. 0/1044 useless extension candidates. Maximal degree in co-relation 1387. Up to 141 conditions per place. [2024-11-19 06:00:48,632 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 2 changer transitions 0/707 dead transitions. [2024-11-19 06:00:48,636 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 707 transitions, 1473 flow [2024-11-19 06:00:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:48,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2024-11-19 06:00:48,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8896713615023474 [2024-11-19 06:00:48,649 INFO L175 Difference]: Start difference. First operand has 701 places, 708 transitions, 1439 flow. Second operand 3 states and 2274 transitions. [2024-11-19 06:00:48,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 707 transitions, 1473 flow [2024-11-19 06:00:48,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 707 transitions, 1469 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:48,676 INFO L231 Difference]: Finished difference. Result has 700 places, 707 transitions, 1437 flow [2024-11-19 06:00:48,681 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1433, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1437, PETRI_PLACES=700, PETRI_TRANSITIONS=707} [2024-11-19 06:00:48,682 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -98 predicate places. [2024-11-19 06:00:48,682 INFO L471 AbstractCegarLoop]: Abstraction has has 700 places, 707 transitions, 1437 flow [2024-11-19 06:00:48,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:48,683 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:48,683 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] [2024-11-19 06:00:48,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 06:00:48,687 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:48,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:48,688 INFO L85 PathProgramCache]: Analyzing trace with hash -509341640, now seen corresponding path program 1 times [2024-11-19 06:00:48,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:48,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211525599] [2024-11-19 06:00:48,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:48,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:48,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:48,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211525599] [2024-11-19 06:00:48,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211525599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:48,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:48,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:48,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198648724] [2024-11-19 06:00:48,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:48,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:48,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:48,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:48,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:49,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 744 out of 852 [2024-11-19 06:00:49,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 707 transitions, 1437 flow. Second operand has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:49,036 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:49,036 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 744 of 852 [2024-11-19 06:00:49,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:50,385 INFO L124 PetriNetUnfolderBase]: 252/4797 cut-off events. [2024-11-19 06:00:50,386 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-19 06:00:50,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5075 conditions, 4797 events. 252/4797 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 35619 event pairs, 79 based on Foata normal form. 0/3908 useless extension candidates. Maximal degree in co-relation 4960. Up to 220 conditions per place. [2024-11-19 06:00:50,420 INFO L140 encePairwiseOnDemand]: 846/852 looper letters, 22 selfloop transitions, 1 changer transitions 0/702 dead transitions. [2024-11-19 06:00:50,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 702 transitions, 1473 flow [2024-11-19 06:00:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2259 transitions. [2024-11-19 06:00:50,425 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8838028169014085 [2024-11-19 06:00:50,425 INFO L175 Difference]: Start difference. First operand has 700 places, 707 transitions, 1437 flow. Second operand 3 states and 2259 transitions. [2024-11-19 06:00:50,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 702 transitions, 1473 flow [2024-11-19 06:00:50,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 702 transitions, 1469 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:50,433 INFO L231 Difference]: Finished difference. Result has 695 places, 702 transitions, 1425 flow [2024-11-19 06:00:50,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1423, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1425, PETRI_PLACES=695, PETRI_TRANSITIONS=702} [2024-11-19 06:00:50,435 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -103 predicate places. [2024-11-19 06:00:50,435 INFO L471 AbstractCegarLoop]: Abstraction has has 695 places, 702 transitions, 1425 flow [2024-11-19 06:00:50,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:50,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:50,436 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] [2024-11-19 06:00:50,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 06:00:50,437 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:50,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:50,437 INFO L85 PathProgramCache]: Analyzing trace with hash 931055478, now seen corresponding path program 1 times [2024-11-19 06:00:50,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:50,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873908342] [2024-11-19 06:00:50,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:50,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:50,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:50,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873908342] [2024-11-19 06:00:50,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873908342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:50,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:50,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:50,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532201605] [2024-11-19 06:00:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:50,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:50,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:50,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:50,514 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-19 06:00:50,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 702 transitions, 1425 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:50,516 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:50,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-19 06:00:50,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:50,735 INFO L124 PetriNetUnfolderBase]: 110/1203 cut-off events. [2024-11-19 06:00:50,735 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-19 06:00:50,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1394 conditions, 1203 events. 110/1203 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4633 event pairs, 53 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1279. Up to 142 conditions per place. [2024-11-19 06:00:50,750 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/701 dead transitions. [2024-11-19 06:00:50,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 701 transitions, 1461 flow [2024-11-19 06:00:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-19 06:00:50,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-19 06:00:50,756 INFO L175 Difference]: Start difference. First operand has 695 places, 702 transitions, 1425 flow. Second operand 3 states and 2272 transitions. [2024-11-19 06:00:50,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 701 transitions, 1461 flow [2024-11-19 06:00:50,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 701 transitions, 1460 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:50,768 INFO L231 Difference]: Finished difference. Result has 695 places, 701 transitions, 1426 flow [2024-11-19 06:00:50,769 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1422, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1426, PETRI_PLACES=695, PETRI_TRANSITIONS=701} [2024-11-19 06:00:50,770 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -103 predicate places. [2024-11-19 06:00:50,770 INFO L471 AbstractCegarLoop]: Abstraction has has 695 places, 701 transitions, 1426 flow [2024-11-19 06:00:50,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:50,771 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:50,771 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] [2024-11-19 06:00:50,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 06:00:50,771 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:50,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:50,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1282613414, now seen corresponding path program 1 times [2024-11-19 06:00:50,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:50,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942248998] [2024-11-19 06:00:50,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:50,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:50,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:50,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942248998] [2024-11-19 06:00:50,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942248998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:50,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:50,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:50,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43952919] [2024-11-19 06:00:50,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:50,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:50,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:50,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:50,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:50,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:50,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 701 transitions, 1426 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:50,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:50,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:50,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:51,881 INFO L124 PetriNetUnfolderBase]: 293/5079 cut-off events. [2024-11-19 06:00:51,881 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-19 06:00:51,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5418 conditions, 5079 events. 293/5079 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 37540 event pairs, 40 based on Foata normal form. 0/4168 useless extension candidates. Maximal degree in co-relation 5304. Up to 227 conditions per place. [2024-11-19 06:00:51,917 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 26 selfloop transitions, 3 changer transitions 0/711 dead transitions. [2024-11-19 06:00:51,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 711 transitions, 1512 flow [2024-11-19 06:00:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:51,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2289 transitions. [2024-11-19 06:00:51,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8955399061032864 [2024-11-19 06:00:51,922 INFO L175 Difference]: Start difference. First operand has 695 places, 701 transitions, 1426 flow. Second operand 3 states and 2289 transitions. [2024-11-19 06:00:51,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 711 transitions, 1512 flow [2024-11-19 06:00:51,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 711 transitions, 1508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:51,932 INFO L231 Difference]: Finished difference. Result has 694 places, 702 transitions, 1441 flow [2024-11-19 06:00:51,933 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1418, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1441, PETRI_PLACES=694, PETRI_TRANSITIONS=702} [2024-11-19 06:00:51,934 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -104 predicate places. [2024-11-19 06:00:51,934 INFO L471 AbstractCegarLoop]: Abstraction has has 694 places, 702 transitions, 1441 flow [2024-11-19 06:00:51,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:51,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:51,935 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] [2024-11-19 06:00:51,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 06:00:51,936 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:51,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:51,936 INFO L85 PathProgramCache]: Analyzing trace with hash 64197744, now seen corresponding path program 1 times [2024-11-19 06:00:51,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:51,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464081440] [2024-11-19 06:00:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:51,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:52,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:52,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464081440] [2024-11-19 06:00:52,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464081440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:52,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:52,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:52,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520077056] [2024-11-19 06:00:52,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:52,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:52,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:52,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:52,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:52,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:52,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 702 transitions, 1441 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:52,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:52,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:52,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:53,201 INFO L124 PetriNetUnfolderBase]: 364/5532 cut-off events. [2024-11-19 06:00:53,202 INFO L125 PetriNetUnfolderBase]: For 183/225 co-relation queries the response was YES. [2024-11-19 06:00:53,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6060 conditions, 5532 events. 364/5532 cut-off events. For 183/225 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 41791 event pairs, 54 based on Foata normal form. 0/4547 useless extension candidates. Maximal degree in co-relation 5945. Up to 301 conditions per place. [2024-11-19 06:00:53,261 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 27 selfloop transitions, 4 changer transitions 0/713 dead transitions. [2024-11-19 06:00:53,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 713 transitions, 1540 flow [2024-11-19 06:00:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2289 transitions. [2024-11-19 06:00:53,266 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8955399061032864 [2024-11-19 06:00:53,266 INFO L175 Difference]: Start difference. First operand has 694 places, 702 transitions, 1441 flow. Second operand 3 states and 2289 transitions. [2024-11-19 06:00:53,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 713 transitions, 1540 flow [2024-11-19 06:00:53,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 713 transitions, 1540 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:00:53,435 INFO L231 Difference]: Finished difference. Result has 695 places, 704 transitions, 1474 flow [2024-11-19 06:00:53,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1437, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=695, PETRI_TRANSITIONS=704} [2024-11-19 06:00:53,436 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -103 predicate places. [2024-11-19 06:00:53,436 INFO L471 AbstractCegarLoop]: Abstraction has has 695 places, 704 transitions, 1474 flow [2024-11-19 06:00:53,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:53,441 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:53,441 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] [2024-11-19 06:00:53,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 06:00:53,441 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:53,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:53,442 INFO L85 PathProgramCache]: Analyzing trace with hash 979804945, now seen corresponding path program 1 times [2024-11-19 06:00:53,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:53,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8761573] [2024-11-19 06:00:53,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:53,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:53,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8761573] [2024-11-19 06:00:53,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8761573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:53,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:53,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:53,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034224861] [2024-11-19 06:00:53,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:53,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:53,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:53,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:53,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:53,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 757 out of 852 [2024-11-19 06:00:53,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 704 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:53,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:53,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 757 of 852 [2024-11-19 06:00:53,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:54,762 INFO L124 PetriNetUnfolderBase]: 281/4298 cut-off events. [2024-11-19 06:00:54,763 INFO L125 PetriNetUnfolderBase]: For 423/677 co-relation queries the response was YES. [2024-11-19 06:00:54,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4916 conditions, 4298 events. 281/4298 cut-off events. For 423/677 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 29284 event pairs, 46 based on Foata normal form. 1/3573 useless extension candidates. Maximal degree in co-relation 4801. Up to 227 conditions per place. [2024-11-19 06:00:54,806 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 23 selfloop transitions, 4 changer transitions 0/713 dead transitions. [2024-11-19 06:00:54,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 713 transitions, 1578 flow [2024-11-19 06:00:54,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2291 transitions. [2024-11-19 06:00:54,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8963223787167449 [2024-11-19 06:00:54,811 INFO L175 Difference]: Start difference. First operand has 695 places, 704 transitions, 1474 flow. Second operand 3 states and 2291 transitions. [2024-11-19 06:00:54,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 713 transitions, 1578 flow [2024-11-19 06:00:54,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 696 places, 713 transitions, 1578 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:00:54,826 INFO L231 Difference]: Finished difference. Result has 697 places, 706 transitions, 1496 flow [2024-11-19 06:00:54,827 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1496, PETRI_PLACES=697, PETRI_TRANSITIONS=706} [2024-11-19 06:00:54,827 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -101 predicate places. [2024-11-19 06:00:54,827 INFO L471 AbstractCegarLoop]: Abstraction has has 697 places, 706 transitions, 1496 flow [2024-11-19 06:00:54,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:54,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:54,828 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] [2024-11-19 06:00:54,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 06:00:54,829 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:54,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1531507649, now seen corresponding path program 1 times [2024-11-19 06:00:54,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:54,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92253078] [2024-11-19 06:00:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:54,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:54,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:54,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92253078] [2024-11-19 06:00:54,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92253078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:54,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:54,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:54,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712000211] [2024-11-19 06:00:54,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:54,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:54,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:54,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:54,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:54,907 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 756 out of 852 [2024-11-19 06:00:54,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 706 transitions, 1496 flow. Second operand has 3 states, 3 states have (on average 757.6666666666666) internal successors, (2273), 3 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:54,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:54,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 756 of 852 [2024-11-19 06:00:54,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:56,657 INFO L124 PetriNetUnfolderBase]: 562/7837 cut-off events. [2024-11-19 06:00:56,657 INFO L125 PetriNetUnfolderBase]: For 842/888 co-relation queries the response was YES. [2024-11-19 06:00:56,696 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9150 conditions, 7837 events. 562/7837 cut-off events. For 842/888 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 67566 event pairs, 82 based on Foata normal form. 0/6482 useless extension candidates. Maximal degree in co-relation 9034. Up to 306 conditions per place. [2024-11-19 06:00:56,720 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 30 selfloop transitions, 2 changer transitions 0/717 dead transitions. [2024-11-19 06:00:56,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 717 transitions, 1620 flow [2024-11-19 06:00:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2290 transitions. [2024-11-19 06:00:56,725 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8959311424100157 [2024-11-19 06:00:56,726 INFO L175 Difference]: Start difference. First operand has 697 places, 706 transitions, 1496 flow. Second operand 3 states and 2290 transitions. [2024-11-19 06:00:56,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 717 transitions, 1620 flow [2024-11-19 06:00:56,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 697 places, 717 transitions, 1613 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:00:56,736 INFO L231 Difference]: Finished difference. Result has 697 places, 705 transitions, 1494 flow [2024-11-19 06:00:56,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1490, PETRI_DIFFERENCE_MINUEND_PLACES=695, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1494, PETRI_PLACES=697, PETRI_TRANSITIONS=705} [2024-11-19 06:00:56,738 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -101 predicate places. [2024-11-19 06:00:56,738 INFO L471 AbstractCegarLoop]: Abstraction has has 697 places, 705 transitions, 1494 flow [2024-11-19 06:00:56,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 757.6666666666666) internal successors, (2273), 3 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:56,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:56,739 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, 1] [2024-11-19 06:00:56,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 06:00:56,739 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:56,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash 296310289, now seen corresponding path program 1 times [2024-11-19 06:00:56,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:56,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528385012] [2024-11-19 06:00:56,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:56,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:56,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528385012] [2024-11-19 06:00:56,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528385012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:56,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:56,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:56,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585521942] [2024-11-19 06:00:56,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:56,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:56,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:56,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:56,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:56,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 746 out of 852 [2024-11-19 06:00:56,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 705 transitions, 1494 flow. Second operand has 3 states, 3 states have (on average 748.0) internal successors, (2244), 3 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:56,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:56,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 746 of 852 [2024-11-19 06:00:56,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:00:59,219 INFO L124 PetriNetUnfolderBase]: 856/8099 cut-off events. [2024-11-19 06:00:59,220 INFO L125 PetriNetUnfolderBase]: For 1312/1380 co-relation queries the response was YES. [2024-11-19 06:00:59,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10234 conditions, 8099 events. 856/8099 cut-off events. For 1312/1380 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 71852 event pairs, 76 based on Foata normal form. 3/6856 useless extension candidates. Maximal degree in co-relation 10116. Up to 744 conditions per place. [2024-11-19 06:00:59,280 INFO L140 encePairwiseOnDemand]: 845/852 looper letters, 34 selfloop transitions, 2 changer transitions 5/713 dead transitions. [2024-11-19 06:00:59,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 713 transitions, 1621 flow [2024-11-19 06:00:59,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:00:59,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:00:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2269 transitions. [2024-11-19 06:00:59,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8877151799687011 [2024-11-19 06:00:59,283 INFO L175 Difference]: Start difference. First operand has 697 places, 705 transitions, 1494 flow. Second operand 3 states and 2269 transitions. [2024-11-19 06:00:59,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 713 transitions, 1621 flow [2024-11-19 06:00:59,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 713 transitions, 1617 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:00:59,295 INFO L231 Difference]: Finished difference. Result has 693 places, 696 transitions, 1471 flow [2024-11-19 06:00:59,296 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1482, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1471, PETRI_PLACES=693, PETRI_TRANSITIONS=696} [2024-11-19 06:00:59,297 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -105 predicate places. [2024-11-19 06:00:59,297 INFO L471 AbstractCegarLoop]: Abstraction has has 693 places, 696 transitions, 1471 flow [2024-11-19 06:00:59,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 748.0) internal successors, (2244), 3 states have internal predecessors, (2244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:59,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:00:59,298 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, 1] [2024-11-19 06:00:59,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 06:00:59,299 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:00:59,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:00:59,299 INFO L85 PathProgramCache]: Analyzing trace with hash 249688354, now seen corresponding path program 1 times [2024-11-19 06:00:59,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:00:59,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630391788] [2024-11-19 06:00:59,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:00:59,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:00:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:00:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:00:59,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:00:59,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630391788] [2024-11-19 06:00:59,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630391788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:00:59,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:00:59,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:00:59,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370553448] [2024-11-19 06:00:59,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:00:59,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:00:59,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:00:59,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:00:59,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:00:59,418 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-19 06:00:59,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 696 transitions, 1471 flow. Second operand has 3 states, 3 states have (on average 754.6666666666666) internal successors, (2264), 3 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:00:59,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:00:59,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-19 06:00:59,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:02,463 INFO L124 PetriNetUnfolderBase]: 798/11758 cut-off events. [2024-11-19 06:01:02,463 INFO L125 PetriNetUnfolderBase]: For 1102/1416 co-relation queries the response was YES. [2024-11-19 06:01:02,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13474 conditions, 11758 events. 798/11758 cut-off events. For 1102/1416 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 113051 event pairs, 89 based on Foata normal form. 2/9786 useless extension candidates. Maximal degree in co-relation 13357. Up to 603 conditions per place. [2024-11-19 06:01:02,582 INFO L140 encePairwiseOnDemand]: 848/852 looper letters, 34 selfloop transitions, 2 changer transitions 0/709 dead transitions. [2024-11-19 06:01:02,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 709 transitions, 1609 flow [2024-11-19 06:01:02,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:01:02,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:01:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2286 transitions. [2024-11-19 06:01:02,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8943661971830986 [2024-11-19 06:01:02,585 INFO L175 Difference]: Start difference. First operand has 693 places, 696 transitions, 1471 flow. Second operand 3 states and 2286 transitions. [2024-11-19 06:01:02,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 709 transitions, 1609 flow [2024-11-19 06:01:02,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 709 transitions, 1605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:01:02,600 INFO L231 Difference]: Finished difference. Result has 688 places, 696 transitions, 1477 flow [2024-11-19 06:01:02,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1463, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1477, PETRI_PLACES=688, PETRI_TRANSITIONS=696} [2024-11-19 06:01:02,606 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -110 predicate places. [2024-11-19 06:01:02,606 INFO L471 AbstractCegarLoop]: Abstraction has has 688 places, 696 transitions, 1477 flow [2024-11-19 06:01:02,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.6666666666666) internal successors, (2264), 3 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:02,607 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:02,607 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:02,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 06:01:02,607 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:02,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:02,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1820824776, now seen corresponding path program 1 times [2024-11-19 06:01:02,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:02,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171073871] [2024-11-19 06:01:02,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:03,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:03,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171073871] [2024-11-19 06:01:03,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171073871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:03,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:03,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 06:01:03,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385159047] [2024-11-19 06:01:03,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:03,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 06:01:03,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:03,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 06:01:03,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 06:01:03,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 852 [2024-11-19 06:01:03,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 696 transitions, 1477 flow. Second operand has 4 states, 4 states have (on average 753.75) internal successors, (3015), 4 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:03,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:03,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 852 [2024-11-19 06:01:03,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:06,356 INFO L124 PetriNetUnfolderBase]: 706/10213 cut-off events. [2024-11-19 06:01:06,356 INFO L125 PetriNetUnfolderBase]: For 1338/1519 co-relation queries the response was YES. [2024-11-19 06:01:06,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12042 conditions, 10213 events. 706/10213 cut-off events. For 1338/1519 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 93349 event pairs, 86 based on Foata normal form. 14/8627 useless extension candidates. Maximal degree in co-relation 11923. Up to 244 conditions per place. [2024-11-19 06:01:06,469 INFO L140 encePairwiseOnDemand]: 845/852 looper letters, 35 selfloop transitions, 6 changer transitions 0/713 dead transitions. [2024-11-19 06:01:06,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 713 transitions, 1665 flow [2024-11-19 06:01:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 06:01:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 06:01:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3036 transitions. [2024-11-19 06:01:06,473 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8908450704225352 [2024-11-19 06:01:06,473 INFO L175 Difference]: Start difference. First operand has 688 places, 696 transitions, 1477 flow. Second operand 4 states and 3036 transitions. [2024-11-19 06:01:06,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 713 transitions, 1665 flow [2024-11-19 06:01:06,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 713 transitions, 1665 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:01:06,487 INFO L231 Difference]: Finished difference. Result has 691 places, 695 transitions, 1487 flow [2024-11-19 06:01:06,488 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=689, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1487, PETRI_PLACES=691, PETRI_TRANSITIONS=695} [2024-11-19 06:01:06,488 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -107 predicate places. [2024-11-19 06:01:06,488 INFO L471 AbstractCegarLoop]: Abstraction has has 691 places, 695 transitions, 1487 flow [2024-11-19 06:01:06,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 753.75) internal successors, (3015), 4 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:06,492 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:06,493 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:06,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 06:01:06,493 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:06,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:06,494 INFO L85 PathProgramCache]: Analyzing trace with hash 53584812, now seen corresponding path program 1 times [2024-11-19 06:01:06,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:06,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808467439] [2024-11-19 06:01:06,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:06,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:06,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:06,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808467439] [2024-11-19 06:01:06,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808467439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:06,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:06,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:01:06,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411212078] [2024-11-19 06:01:06,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:06,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:01:06,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:06,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:01:06,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:01:06,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 725 out of 852 [2024-11-19 06:01:06,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 695 transitions, 1487 flow. Second operand has 3 states, 3 states have (on average 727.0) internal successors, (2181), 3 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:06,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:06,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 725 of 852 [2024-11-19 06:01:06,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:11,043 INFO L124 PetriNetUnfolderBase]: 2837/15313 cut-off events. [2024-11-19 06:01:11,043 INFO L125 PetriNetUnfolderBase]: For 5183/5263 co-relation queries the response was YES. [2024-11-19 06:01:11,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23251 conditions, 15313 events. 2837/15313 cut-off events. For 5183/5263 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 154634 event pairs, 112 based on Foata normal form. 0/13635 useless extension candidates. Maximal degree in co-relation 23130. Up to 3602 conditions per place. [2024-11-19 06:01:11,218 INFO L140 encePairwiseOnDemand]: 838/852 looper letters, 50 selfloop transitions, 3 changer transitions 0/697 dead transitions. [2024-11-19 06:01:11,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 697 transitions, 1634 flow [2024-11-19 06:01:11,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:01:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:01:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2228 transitions. [2024-11-19 06:01:11,221 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8716744913928013 [2024-11-19 06:01:11,221 INFO L175 Difference]: Start difference. First operand has 691 places, 695 transitions, 1487 flow. Second operand 3 states and 2228 transitions. [2024-11-19 06:01:11,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 697 transitions, 1634 flow [2024-11-19 06:01:11,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 697 transitions, 1620 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 06:01:11,232 INFO L231 Difference]: Finished difference. Result has 680 places, 685 transitions, 1466 flow [2024-11-19 06:01:11,233 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1453, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1466, PETRI_PLACES=680, PETRI_TRANSITIONS=685} [2024-11-19 06:01:11,234 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -118 predicate places. [2024-11-19 06:01:11,234 INFO L471 AbstractCegarLoop]: Abstraction has has 680 places, 685 transitions, 1466 flow [2024-11-19 06:01:11,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 727.0) internal successors, (2181), 3 states have internal predecessors, (2181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:11,235 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:11,235 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:11,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 06:01:11,235 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:11,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:11,236 INFO L85 PathProgramCache]: Analyzing trace with hash 288802225, now seen corresponding path program 1 times [2024-11-19 06:01:11,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:11,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784236231] [2024-11-19 06:01:11,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:11,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:11,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:11,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784236231] [2024-11-19 06:01:11,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784236231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:11,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:11,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 06:01:11,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719337398] [2024-11-19 06:01:11,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:11,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 06:01:11,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:11,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 06:01:11,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-19 06:01:12,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 714 out of 852 [2024-11-19 06:01:12,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 685 transitions, 1466 flow. Second operand has 8 states, 8 states have (on average 718.25) internal successors, (5746), 8 states have internal predecessors, (5746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:12,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:12,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 714 of 852 [2024-11-19 06:01:12,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:14,238 INFO L124 PetriNetUnfolderBase]: 709/7349 cut-off events. [2024-11-19 06:01:14,238 INFO L125 PetriNetUnfolderBase]: For 1856/2637 co-relation queries the response was YES. [2024-11-19 06:01:14,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9683 conditions, 7349 events. 709/7349 cut-off events. For 1856/2637 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 56960 event pairs, 269 based on Foata normal form. 20/6446 useless extension candidates. Maximal degree in co-relation 9561. Up to 740 conditions per place. [2024-11-19 06:01:14,345 INFO L140 encePairwiseOnDemand]: 841/852 looper letters, 94 selfloop transitions, 12 changer transitions 0/730 dead transitions. [2024-11-19 06:01:14,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 730 transitions, 1809 flow [2024-11-19 06:01:14,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 06:01:14,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-19 06:01:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 6522 transitions. [2024-11-19 06:01:14,350 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8505477308294209 [2024-11-19 06:01:14,350 INFO L175 Difference]: Start difference. First operand has 680 places, 685 transitions, 1466 flow. Second operand 9 states and 6522 transitions. [2024-11-19 06:01:14,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 730 transitions, 1809 flow [2024-11-19 06:01:14,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 730 transitions, 1806 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 06:01:14,359 INFO L231 Difference]: Finished difference. Result has 690 places, 690 transitions, 1513 flow [2024-11-19 06:01:14,359 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1463, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1513, PETRI_PLACES=690, PETRI_TRANSITIONS=690} [2024-11-19 06:01:14,360 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -108 predicate places. [2024-11-19 06:01:14,361 INFO L471 AbstractCegarLoop]: Abstraction has has 690 places, 690 transitions, 1513 flow [2024-11-19 06:01:14,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 718.25) internal successors, (5746), 8 states have internal predecessors, (5746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:14,362 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:14,362 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:14,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 06:01:14,363 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:14,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:14,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1881201899, now seen corresponding path program 1 times [2024-11-19 06:01:14,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:14,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235535949] [2024-11-19 06:01:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:14,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:15,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:15,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235535949] [2024-11-19 06:01:15,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235535949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:15,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:15,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:01:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995578426] [2024-11-19 06:01:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:15,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:01:15,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:15,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:01:15,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:01:15,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 699 out of 852 [2024-11-19 06:01:15,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 690 transitions, 1513 flow. Second operand has 6 states, 6 states have (on average 700.6666666666666) internal successors, (4204), 6 states have internal predecessors, (4204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:15,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:15,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 699 of 852 [2024-11-19 06:01:15,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:25,846 INFO L124 PetriNetUnfolderBase]: 6421/29491 cut-off events. [2024-11-19 06:01:25,847 INFO L125 PetriNetUnfolderBase]: For 10817/10821 co-relation queries the response was YES. [2024-11-19 06:01:26,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46797 conditions, 29491 events. 6421/29491 cut-off events. For 10817/10821 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 324427 event pairs, 3864 based on Foata normal form. 0/26330 useless extension candidates. Maximal degree in co-relation 46670. Up to 9066 conditions per place. [2024-11-19 06:01:26,184 INFO L140 encePairwiseOnDemand]: 846/852 looper letters, 70 selfloop transitions, 5 changer transitions 0/689 dead transitions. [2024-11-19 06:01:26,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 689 transitions, 1661 flow [2024-11-19 06:01:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:01:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:01:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4264 transitions. [2024-11-19 06:01:26,188 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8341158059467919 [2024-11-19 06:01:26,188 INFO L175 Difference]: Start difference. First operand has 690 places, 690 transitions, 1513 flow. Second operand 6 states and 4264 transitions. [2024-11-19 06:01:26,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 689 transitions, 1661 flow [2024-11-19 06:01:26,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 689 transitions, 1654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:01:26,203 INFO L231 Difference]: Finished difference. Result has 692 places, 689 transitions, 1514 flow [2024-11-19 06:01:26,204 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1514, PETRI_PLACES=692, PETRI_TRANSITIONS=689} [2024-11-19 06:01:26,205 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -106 predicate places. [2024-11-19 06:01:26,205 INFO L471 AbstractCegarLoop]: Abstraction has has 692 places, 689 transitions, 1514 flow [2024-11-19 06:01:26,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 700.6666666666666) internal successors, (4204), 6 states have internal predecessors, (4204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:26,206 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:26,206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:26,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 06:01:26,207 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:26,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:26,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1950555769, now seen corresponding path program 1 times [2024-11-19 06:01:26,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:26,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201409342] [2024-11-19 06:01:26,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:26,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:26,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:26,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:26,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201409342] [2024-11-19 06:01:26,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201409342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:26,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:26,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:01:26,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908500114] [2024-11-19 06:01:26,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:26,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:01:26,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:26,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:01:26,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:01:26,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 750 out of 852 [2024-11-19 06:01:26,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 689 transitions, 1514 flow. Second operand has 3 states, 3 states have (on average 752.0) internal successors, (2256), 3 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:26,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:26,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 750 of 852 [2024-11-19 06:01:26,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:31,400 INFO L124 PetriNetUnfolderBase]: 1841/19498 cut-off events. [2024-11-19 06:01:31,400 INFO L125 PetriNetUnfolderBase]: For 2966/2970 co-relation queries the response was YES. [2024-11-19 06:01:31,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24420 conditions, 19498 events. 1841/19498 cut-off events. For 2966/2970 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 212916 event pairs, 212 based on Foata normal form. 0/17447 useless extension candidates. Maximal degree in co-relation 24297. Up to 1988 conditions per place. [2024-11-19 06:01:31,558 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 33 selfloop transitions, 2 changer transitions 0/698 dead transitions. [2024-11-19 06:01:31,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 698 transitions, 1630 flow [2024-11-19 06:01:31,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:01:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:01:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2279 transitions. [2024-11-19 06:01:31,561 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8916275430359938 [2024-11-19 06:01:31,562 INFO L175 Difference]: Start difference. First operand has 692 places, 689 transitions, 1514 flow. Second operand 3 states and 2279 transitions. [2024-11-19 06:01:31,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 698 transitions, 1630 flow [2024-11-19 06:01:31,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 698 transitions, 1620 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:01:31,571 INFO L231 Difference]: Finished difference. Result has 687 places, 688 transitions, 1514 flow [2024-11-19 06:01:31,572 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1498, PETRI_DIFFERENCE_MINUEND_PLACES=684, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1514, PETRI_PLACES=687, PETRI_TRANSITIONS=688} [2024-11-19 06:01:31,572 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -111 predicate places. [2024-11-19 06:01:31,573 INFO L471 AbstractCegarLoop]: Abstraction has has 687 places, 688 transitions, 1514 flow [2024-11-19 06:01:31,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.0) internal successors, (2256), 3 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:31,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:31,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:31,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 06:01:31,575 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:31,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:31,575 INFO L85 PathProgramCache]: Analyzing trace with hash -404576758, now seen corresponding path program 1 times [2024-11-19 06:01:31,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:31,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30551906] [2024-11-19 06:01:31,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:31,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:01:32,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30551906] [2024-11-19 06:01:32,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30551906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:32,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:32,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:01:32,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738503713] [2024-11-19 06:01:32,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:32,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:01:32,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:32,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:01:32,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:01:33,435 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 728 out of 852 [2024-11-19 06:01:33,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 688 transitions, 1514 flow. Second operand has 6 states, 6 states have (on average 730.5) internal successors, (4383), 6 states have internal predecessors, (4383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:33,438 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:33,438 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 728 of 852 [2024-11-19 06:01:33,438 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:35,623 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2972] L52-->L57: Formula: (let ((.cse13 (* v_~front1~0_785 4)) (.cse14 (* v_~size1~0_505 4)) (.cse15 (* v_~state11~0_193 4))) (let ((.cse2 (not |v_thread1_#t~short2#1_386|)) (.cse1 (not |v_thread1_#t~short1#1_344|)) (.cse0 (+ v_~front1~0_785 v_~size1~0_505)) (.cse5 (+ .cse15 v_~produce~0.offset_113 1)) (.cse6 (+ 2 .cse15 v_~produce~0.offset_113)) (.cse11 (+ 3 .cse15 v_~produce~0.offset_113)) (.cse7 (+ .cse13 .cse14 v_~queue1~0.offset_453)) (.cse4 (select |v_#race_1773| v_~produce~0.base_113)) (.cse8 (+ .cse15 v_~produce~0.offset_113))) (and (or (and (< .cse0 0) .cse1) (and |v_thread1_#t~short1#1_344| (<= 0 .cse0))) (or (and (< v_~state11~0_193 0) .cse2) (and (<= 0 v_~state11~0_193) |v_thread1_#t~short2#1_386|)) (let ((.cse3 (= |v_#race~state11~0_447| 0))) (or (and (= |v_#race~n_produce~0_229| 0) (or (and (< v_~state11~0_193 v_~n_produce~0_66) |v_thread1_#t~short2#1_385|) (and (<= v_~n_produce~0_66 v_~state11~0_193) (not |v_thread1_#t~short2#1_385|))) .cse3 |v_thread1_#t~short2#1_386|) (and .cse3 (= |v_thread1_#t~short2#1_386| |v_thread1_#t~short2#1_385|) (= |v_#race~n_produce~0_229| |v_#race~n_produce~0_230|) .cse2))) (= |v_#race~front1~0_1606| 0) (not (= (ite |v_thread1_#t~short1#1_343| 1 0) 0)) (= (select .cse4 .cse5) 0) (= (select .cse4 .cse6) 0) (not (= (ite (= (select (select |v_#memory_int_449| v_~queue1~0.base_453) .cse7) (select (select |v_#memory_int_449| v_~produce~0.base_113) .cse8)) 1 0) 0)) (= |v_#race~state11~0_437| 0) (not (= (ite |v_thread1_#t~short2#1_385| 1 0) 0)) (let ((.cse9 (= |v_#race~front1~0_1640| 0)) (.cse10 (= |v_#race~size1~0_827| 0))) (or (and (= |v_thread1_#t~short1#1_343| |v_thread1_#t~short1#1_344|) (= |v_#race~n_queue~0_596| |v_#race~n_queue~0_595|) .cse9 .cse1 .cse10) (and (= |v_#race~n_queue~0_595| 0) |v_thread1_#t~short1#1_344| .cse9 .cse10 (or (and (not |v_thread1_#t~short1#1_343|) (<= v_~n_queue~0_174 .cse0)) (and |v_thread1_#t~short1#1_343| (< .cse0 v_~n_queue~0_174)))))) (= |v_#race~produce~0_172| 0) (= v_~size1~0_504 (+ v_~size1~0_505 1)) (= (select .cse4 .cse11) 0) (= |v_#race~queue1~0_976| 0) (= (let ((.cse12 (store |v_#race_1774| v_~queue1~0.base_453 (store (store (store (store (select |v_#race_1774| v_~queue1~0.base_453) .cse7 0) (+ .cse13 .cse14 v_~queue1~0.offset_453 1) 0) (+ 2 .cse13 .cse14 v_~queue1~0.offset_453) 0) (+ 3 .cse13 .cse14 v_~queue1~0.offset_453) 0)))) (store .cse12 v_~produce~0.base_113 (store (store (store (store (select .cse12 v_~produce~0.base_113) .cse8 0) .cse5 0) .cse6 0) .cse11 0))) |v_#race_1773|) (= (select .cse4 .cse8) 0)))) InVars {#race=|v_#race_1774|, ~state11~0=v_~state11~0_193, ~size1~0=v_~size1~0_505, ~produce~0.base=v_~produce~0.base_113, ~queue1~0.base=v_~queue1~0.base_453, #race~n_queue~0=|v_#race~n_queue~0_596|, ~n_queue~0=v_~n_queue~0_174, #race~n_produce~0=|v_#race~n_produce~0_230|, #memory_int=|v_#memory_int_449|, ~n_produce~0=v_~n_produce~0_66, ~front1~0=v_~front1~0_785, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453} OutVars{#race~produce~0=|v_#race~produce~0_172|, #race~state11~0=|v_#race~state11~0_437|, thread1Thread1of1ForFork1_#t~short2#1=|v_thread1Thread1of1ForFork1_#t~short2#1_23|, ~produce~0.base=v_~produce~0.base_113, #race~size1~0=|v_#race~size1~0_813|, thread1Thread1of1ForFork1_#t~short1#1=|v_thread1Thread1of1ForFork1_#t~short1#1_31|, ~queue1~0.base=v_~queue1~0.base_453, #race~front1~0=|v_#race~front1~0_1606|, #race~n_queue~0=|v_#race~n_queue~0_595|, ~n_queue~0=v_~n_queue~0_174, ~front1~0=v_~front1~0_785, thread1Thread1of1ForFork1_#t~mem3#1=|v_thread1Thread1of1ForFork1_#t~mem3#1_13|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_25|, #race=|v_#race_1773|, thread1Thread1of1ForFork1_#t~mem4#1=|v_thread1Thread1of1ForFork1_#t~mem4#1_7|, ~state11~0=v_~state11~0_193, ~size1~0=v_~size1~0_504, thread1Thread1of1ForFork1_#t~post5#1=|v_thread1Thread1of1ForFork1_#t~post5#1_3|, thread1Thread1of1ForFork1_#t~nondet6#1=|v_thread1Thread1of1ForFork1_#t~nondet6#1_3|, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_25|, #race~n_produce~0=|v_#race~n_produce~0_229|, #memory_int=|v_#memory_int_449|, ~n_produce~0=v_~n_produce~0_66, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453, #race~queue1~0=|v_#race~queue1~0_976|} AuxVars[|v_thread1_#t~short2#1_386|, |v_thread1_#t~short2#1_385|, |v_#race~size1~0_827|, |v_thread1_#t~short1#1_343|, |v_thread1_#t~short1#1_344|, |v_#race~front1~0_1640|, |v_#race~state11~0_447|] AssignedVars[#race, #race~produce~0, #race~state11~0, thread1Thread1of1ForFork1_#t~short2#1, thread1Thread1of1ForFork1_#t~mem4#1, ~size1~0, thread1Thread1of1ForFork1_#t~post5#1, #race~size1~0, thread1Thread1of1ForFork1_#t~nondet6#1, thread1Thread1of1ForFork1_#t~short1#1, #race~front1~0, #race~n_queue~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~n_produce~0, thread1Thread1of1ForFork1_#t~mem3#1, #race~queue1~0, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1][558], [Black: 894#true, 955#(= |#race~produce~0| 0), 878#(= |#race~n_queue~0| 0), Black: 898#true, Black: 837#(= |#race~state12~0| 0), Black: 902#true, 896#(= |#race~consume~0| 0), 900#(= |#race~n2~0| 0), 594#L82true, 914#(= |#race~update~0| 0), Black: 931#(<= ~n_produce~0 0), Black: 939#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 937#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 912#true, 957#true, 759#L95-1true, 90#L57true, 872#(= |#race~n_update~0| 0), 890#(= |#race~n1~0| 0), Black: 953#true, Black: 922#true, 409#L135-4true, 860#(= |#race~n_produce~0| 0)]) [2024-11-19 06:01:35,623 INFO L294 olderBase$Statistics]: this new event has 519 ancestors and is cut-off event [2024-11-19 06:01:35,624 INFO L297 olderBase$Statistics]: existing Event has 519 ancestors and is cut-off event [2024-11-19 06:01:35,624 INFO L297 olderBase$Statistics]: existing Event has 388 ancestors and is cut-off event [2024-11-19 06:01:35,624 INFO L297 olderBase$Statistics]: existing Event has 471 ancestors and is cut-off event [2024-11-19 06:01:35,632 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([2972] L52-->L57: Formula: (let ((.cse13 (* v_~front1~0_785 4)) (.cse14 (* v_~size1~0_505 4)) (.cse15 (* v_~state11~0_193 4))) (let ((.cse2 (not |v_thread1_#t~short2#1_386|)) (.cse1 (not |v_thread1_#t~short1#1_344|)) (.cse0 (+ v_~front1~0_785 v_~size1~0_505)) (.cse5 (+ .cse15 v_~produce~0.offset_113 1)) (.cse6 (+ 2 .cse15 v_~produce~0.offset_113)) (.cse11 (+ 3 .cse15 v_~produce~0.offset_113)) (.cse7 (+ .cse13 .cse14 v_~queue1~0.offset_453)) (.cse4 (select |v_#race_1773| v_~produce~0.base_113)) (.cse8 (+ .cse15 v_~produce~0.offset_113))) (and (or (and (< .cse0 0) .cse1) (and |v_thread1_#t~short1#1_344| (<= 0 .cse0))) (or (and (< v_~state11~0_193 0) .cse2) (and (<= 0 v_~state11~0_193) |v_thread1_#t~short2#1_386|)) (let ((.cse3 (= |v_#race~state11~0_447| 0))) (or (and (= |v_#race~n_produce~0_229| 0) (or (and (< v_~state11~0_193 v_~n_produce~0_66) |v_thread1_#t~short2#1_385|) (and (<= v_~n_produce~0_66 v_~state11~0_193) (not |v_thread1_#t~short2#1_385|))) .cse3 |v_thread1_#t~short2#1_386|) (and .cse3 (= |v_thread1_#t~short2#1_386| |v_thread1_#t~short2#1_385|) (= |v_#race~n_produce~0_229| |v_#race~n_produce~0_230|) .cse2))) (= |v_#race~front1~0_1606| 0) (not (= (ite |v_thread1_#t~short1#1_343| 1 0) 0)) (= (select .cse4 .cse5) 0) (= (select .cse4 .cse6) 0) (not (= (ite (= (select (select |v_#memory_int_449| v_~queue1~0.base_453) .cse7) (select (select |v_#memory_int_449| v_~produce~0.base_113) .cse8)) 1 0) 0)) (= |v_#race~state11~0_437| 0) (not (= (ite |v_thread1_#t~short2#1_385| 1 0) 0)) (let ((.cse9 (= |v_#race~front1~0_1640| 0)) (.cse10 (= |v_#race~size1~0_827| 0))) (or (and (= |v_thread1_#t~short1#1_343| |v_thread1_#t~short1#1_344|) (= |v_#race~n_queue~0_596| |v_#race~n_queue~0_595|) .cse9 .cse1 .cse10) (and (= |v_#race~n_queue~0_595| 0) |v_thread1_#t~short1#1_344| .cse9 .cse10 (or (and (not |v_thread1_#t~short1#1_343|) (<= v_~n_queue~0_174 .cse0)) (and |v_thread1_#t~short1#1_343| (< .cse0 v_~n_queue~0_174)))))) (= |v_#race~produce~0_172| 0) (= v_~size1~0_504 (+ v_~size1~0_505 1)) (= (select .cse4 .cse11) 0) (= |v_#race~queue1~0_976| 0) (= (let ((.cse12 (store |v_#race_1774| v_~queue1~0.base_453 (store (store (store (store (select |v_#race_1774| v_~queue1~0.base_453) .cse7 0) (+ .cse13 .cse14 v_~queue1~0.offset_453 1) 0) (+ 2 .cse13 .cse14 v_~queue1~0.offset_453) 0) (+ 3 .cse13 .cse14 v_~queue1~0.offset_453) 0)))) (store .cse12 v_~produce~0.base_113 (store (store (store (store (select .cse12 v_~produce~0.base_113) .cse8 0) .cse5 0) .cse6 0) .cse11 0))) |v_#race_1773|) (= (select .cse4 .cse8) 0)))) InVars {#race=|v_#race_1774|, ~state11~0=v_~state11~0_193, ~size1~0=v_~size1~0_505, ~produce~0.base=v_~produce~0.base_113, ~queue1~0.base=v_~queue1~0.base_453, #race~n_queue~0=|v_#race~n_queue~0_596|, ~n_queue~0=v_~n_queue~0_174, #race~n_produce~0=|v_#race~n_produce~0_230|, #memory_int=|v_#memory_int_449|, ~n_produce~0=v_~n_produce~0_66, ~front1~0=v_~front1~0_785, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453} OutVars{#race~produce~0=|v_#race~produce~0_172|, #race~state11~0=|v_#race~state11~0_437|, thread1Thread1of1ForFork1_#t~short2#1=|v_thread1Thread1of1ForFork1_#t~short2#1_23|, ~produce~0.base=v_~produce~0.base_113, #race~size1~0=|v_#race~size1~0_813|, thread1Thread1of1ForFork1_#t~short1#1=|v_thread1Thread1of1ForFork1_#t~short1#1_31|, ~queue1~0.base=v_~queue1~0.base_453, #race~front1~0=|v_#race~front1~0_1606|, #race~n_queue~0=|v_#race~n_queue~0_595|, ~n_queue~0=v_~n_queue~0_174, ~front1~0=v_~front1~0_785, thread1Thread1of1ForFork1_#t~mem3#1=|v_thread1Thread1of1ForFork1_#t~mem3#1_13|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_25|, #race=|v_#race_1773|, thread1Thread1of1ForFork1_#t~mem4#1=|v_thread1Thread1of1ForFork1_#t~mem4#1_7|, ~state11~0=v_~state11~0_193, ~size1~0=v_~size1~0_504, thread1Thread1of1ForFork1_#t~post5#1=|v_thread1Thread1of1ForFork1_#t~post5#1_3|, thread1Thread1of1ForFork1_#t~nondet6#1=|v_thread1Thread1of1ForFork1_#t~nondet6#1_3|, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_25|, #race~n_produce~0=|v_#race~n_produce~0_229|, #memory_int=|v_#memory_int_449|, ~n_produce~0=v_~n_produce~0_66, ~produce~0.offset=v_~produce~0.offset_113, ~queue1~0.offset=v_~queue1~0.offset_453, #race~queue1~0=|v_#race~queue1~0_976|} AuxVars[|v_thread1_#t~short2#1_386|, |v_thread1_#t~short2#1_385|, |v_#race~size1~0_827|, |v_thread1_#t~short1#1_343|, |v_thread1_#t~short1#1_344|, |v_#race~front1~0_1640|, |v_#race~state11~0_447|] AssignedVars[#race, #race~produce~0, #race~state11~0, thread1Thread1of1ForFork1_#t~short2#1, thread1Thread1of1ForFork1_#t~mem4#1, ~size1~0, thread1Thread1of1ForFork1_#t~post5#1, #race~size1~0, thread1Thread1of1ForFork1_#t~nondet6#1, thread1Thread1of1ForFork1_#t~short1#1, #race~front1~0, #race~n_queue~0, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, #race~n_produce~0, thread1Thread1of1ForFork1_#t~mem3#1, #race~queue1~0, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1][558], [Black: 894#true, 235#L85true, 955#(= |#race~produce~0| 0), 878#(= |#race~n_queue~0| 0), Black: 898#true, Black: 837#(= |#race~state12~0| 0), Black: 902#true, 896#(= |#race~consume~0| 0), 900#(= |#race~n2~0| 0), 914#(= |#race~update~0| 0), Black: 931#(<= ~n_produce~0 0), Black: 939#(and (<= ~n_produce~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 937#(and (= |ULTIMATE.start_create_fresh_int_array_~i~1#1| 0) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n_produce~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 912#true, 957#true, 90#L57true, 759#L95-1true, 872#(= |#race~n_update~0| 0), 890#(= |#race~n1~0| 0), Black: 953#true, Black: 922#true, 409#L135-4true, 860#(= |#race~n_produce~0| 0)]) [2024-11-19 06:01:35,633 INFO L294 olderBase$Statistics]: this new event has 520 ancestors and is cut-off event [2024-11-19 06:01:35,633 INFO L297 olderBase$Statistics]: existing Event has 520 ancestors and is cut-off event [2024-11-19 06:01:35,633 INFO L297 olderBase$Statistics]: existing Event has 472 ancestors and is cut-off event [2024-11-19 06:01:35,633 INFO L297 olderBase$Statistics]: existing Event has 389 ancestors and is cut-off event [2024-11-19 06:01:35,872 INFO L124 PetriNetUnfolderBase]: 678/8521 cut-off events. [2024-11-19 06:01:35,872 INFO L125 PetriNetUnfolderBase]: For 1683/2108 co-relation queries the response was YES. [2024-11-19 06:01:35,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10729 conditions, 8521 events. 678/8521 cut-off events. For 1683/2108 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 70643 event pairs, 114 based on Foata normal form. 53/7658 useless extension candidates. Maximal degree in co-relation 10603. Up to 464 conditions per place. [2024-11-19 06:01:35,990 INFO L140 encePairwiseOnDemand]: 846/852 looper letters, 79 selfloop transitions, 5 changer transitions 0/723 dead transitions. [2024-11-19 06:01:35,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 723 transitions, 1896 flow [2024-11-19 06:01:35,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:01:35,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:01:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4430 transitions. [2024-11-19 06:01:35,995 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8665884194053208 [2024-11-19 06:01:35,995 INFO L175 Difference]: Start difference. First operand has 687 places, 688 transitions, 1514 flow. Second operand 6 states and 4430 transitions. [2024-11-19 06:01:35,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 723 transitions, 1896 flow [2024-11-19 06:01:35,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 723 transitions, 1896 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:01:36,005 INFO L231 Difference]: Finished difference. Result has 691 places, 687 transitions, 1522 flow [2024-11-19 06:01:36,006 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1512, PETRI_DIFFERENCE_MINUEND_PLACES=686, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=687, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1522, PETRI_PLACES=691, PETRI_TRANSITIONS=687} [2024-11-19 06:01:36,007 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -107 predicate places. [2024-11-19 06:01:36,007 INFO L471 AbstractCegarLoop]: Abstraction has has 691 places, 687 transitions, 1522 flow [2024-11-19 06:01:36,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 730.5) internal successors, (4383), 6 states have internal predecessors, (4383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:36,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:36,009 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:36,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-19 06:01:36,010 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting thread3Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:36,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:36,010 INFO L85 PathProgramCache]: Analyzing trace with hash 735151533, now seen corresponding path program 1 times [2024-11-19 06:01:36,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:36,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440231090] [2024-11-19 06:01:36,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:36,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:36,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:36,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440231090] [2024-11-19 06:01:36,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440231090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:36,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:36,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:01:36,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631167466] [2024-11-19 06:01:36,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:36,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:01:36,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:36,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:01:36,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:01:37,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 716 out of 852 [2024-11-19 06:01:37,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 687 transitions, 1522 flow. Second operand has 6 states, 6 states have (on average 718.0) internal successors, (4308), 6 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:37,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:37,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 716 of 852 [2024-11-19 06:01:37,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:42,532 INFO L124 PetriNetUnfolderBase]: 3560/18525 cut-off events. [2024-11-19 06:01:42,532 INFO L125 PetriNetUnfolderBase]: For 7268/7293 co-relation queries the response was YES. [2024-11-19 06:01:42,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29098 conditions, 18525 events. 3560/18525 cut-off events. For 7268/7293 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 187736 event pairs, 147 based on Foata normal form. 0/17074 useless extension candidates. Maximal degree in co-relation 28971. Up to 3586 conditions per place. [2024-11-19 06:01:42,706 INFO L140 encePairwiseOnDemand]: 844/852 looper letters, 101 selfloop transitions, 5 changer transitions 0/732 dead transitions. [2024-11-19 06:01:42,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 693 places, 732 transitions, 1980 flow [2024-11-19 06:01:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:01:42,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:01:42,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4378 transitions. [2024-11-19 06:01:42,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8564162754303599 [2024-11-19 06:01:42,711 INFO L175 Difference]: Start difference. First operand has 691 places, 687 transitions, 1522 flow. Second operand 6 states and 4378 transitions. [2024-11-19 06:01:42,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 693 places, 732 transitions, 1980 flow [2024-11-19 06:01:42,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 688 places, 732 transitions, 1970 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:01:42,722 INFO L231 Difference]: Finished difference. Result has 688 places, 684 transitions, 1516 flow [2024-11-19 06:01:42,723 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1506, PETRI_DIFFERENCE_MINUEND_PLACES=683, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1516, PETRI_PLACES=688, PETRI_TRANSITIONS=684} [2024-11-19 06:01:42,723 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -110 predicate places. [2024-11-19 06:01:42,723 INFO L471 AbstractCegarLoop]: Abstraction has has 688 places, 684 transitions, 1516 flow [2024-11-19 06:01:42,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 718.0) internal successors, (4308), 6 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:42,725 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:42,725 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:42,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-19 06:01:42,725 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:42,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:42,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1346346125, now seen corresponding path program 1 times [2024-11-19 06:01:42,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:42,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290570079] [2024-11-19 06:01:42,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:42,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 06:01:42,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290570079] [2024-11-19 06:01:42,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290570079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:42,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:42,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:01:42,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423661292] [2024-11-19 06:01:42,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:42,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:01:42,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:42,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:01:42,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:01:42,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 748 out of 852 [2024-11-19 06:01:42,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 684 transitions, 1516 flow. Second operand has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:42,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:42,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 748 of 852 [2024-11-19 06:01:42,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:44,712 INFO L124 PetriNetUnfolderBase]: 817/8647 cut-off events. [2024-11-19 06:01:44,712 INFO L125 PetriNetUnfolderBase]: For 2038/2412 co-relation queries the response was YES. [2024-11-19 06:01:44,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11463 conditions, 8647 events. 817/8647 cut-off events. For 2038/2412 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 71986 event pairs, 270 based on Foata normal form. 14/7820 useless extension candidates. Maximal degree in co-relation 11337. Up to 789 conditions per place. [2024-11-19 06:01:44,833 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 35 selfloop transitions, 2 changer transitions 0/692 dead transitions. [2024-11-19 06:01:44,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 692 transitions, 1642 flow [2024-11-19 06:01:44,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:01:44,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:01:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2271 transitions. [2024-11-19 06:01:44,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8884976525821596 [2024-11-19 06:01:44,836 INFO L175 Difference]: Start difference. First operand has 688 places, 684 transitions, 1516 flow. Second operand 3 states and 2271 transitions. [2024-11-19 06:01:44,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 692 transitions, 1642 flow [2024-11-19 06:01:44,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 692 transitions, 1632 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 06:01:44,844 INFO L231 Difference]: Finished difference. Result has 684 places, 683 transitions, 1508 flow [2024-11-19 06:01:44,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=682, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1508, PETRI_PLACES=684, PETRI_TRANSITIONS=683} [2024-11-19 06:01:44,846 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -114 predicate places. [2024-11-19 06:01:44,846 INFO L471 AbstractCegarLoop]: Abstraction has has 684 places, 683 transitions, 1508 flow [2024-11-19 06:01:44,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:44,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:44,847 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:44,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-19 06:01:44,847 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting thread3Err16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:44,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:44,848 INFO L85 PathProgramCache]: Analyzing trace with hash -592723375, now seen corresponding path program 1 times [2024-11-19 06:01:44,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:44,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988851481] [2024-11-19 06:01:44,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:44,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:45,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:45,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988851481] [2024-11-19 06:01:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988851481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:45,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:01:45,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121049599] [2024-11-19 06:01:45,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:45,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:01:45,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:45,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:01:45,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:01:45,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 728 out of 852 [2024-11-19 06:01:45,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 684 places, 683 transitions, 1508 flow. Second operand has 6 states, 6 states have (on average 730.0) internal successors, (4380), 6 states have internal predecessors, (4380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:45,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:45,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 728 of 852 [2024-11-19 06:01:45,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:01:49,072 INFO L124 PetriNetUnfolderBase]: 1569/10901 cut-off events. [2024-11-19 06:01:49,073 INFO L125 PetriNetUnfolderBase]: For 3362/3601 co-relation queries the response was YES. [2024-11-19 06:01:49,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15582 conditions, 10901 events. 1569/10901 cut-off events. For 3362/3601 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 96417 event pairs, 192 based on Foata normal form. 1/9982 useless extension candidates. Maximal degree in co-relation 15455. Up to 682 conditions per place. [2024-11-19 06:01:49,183 INFO L140 encePairwiseOnDemand]: 846/852 looper letters, 87 selfloop transitions, 5 changer transitions 0/726 dead transitions. [2024-11-19 06:01:49,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 726 transitions, 1902 flow [2024-11-19 06:01:49,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:01:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:01:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4438 transitions. [2024-11-19 06:01:49,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8681533646322379 [2024-11-19 06:01:49,186 INFO L175 Difference]: Start difference. First operand has 684 places, 683 transitions, 1508 flow. Second operand 6 states and 4438 transitions. [2024-11-19 06:01:49,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 726 transitions, 1902 flow [2024-11-19 06:01:49,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 726 transitions, 1898 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:01:49,195 INFO L231 Difference]: Finished difference. Result has 686 places, 682 transitions, 1512 flow [2024-11-19 06:01:49,196 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=681, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1512, PETRI_PLACES=686, PETRI_TRANSITIONS=682} [2024-11-19 06:01:49,196 INFO L277 CegarLoopForPetriNet]: 798 programPoint places, -112 predicate places. [2024-11-19 06:01:49,196 INFO L471 AbstractCegarLoop]: Abstraction has has 686 places, 682 transitions, 1512 flow [2024-11-19 06:01:49,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 730.0) internal successors, (4380), 6 states have internal predecessors, (4380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:49,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:01:49,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:01:49,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-19 06:01:49,198 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting thread3Err20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-19 06:01:49,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:01:49,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1013540003, now seen corresponding path program 1 times [2024-11-19 06:01:49,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:01:49,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413454171] [2024-11-19 06:01:49,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:01:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:01:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:01:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:01:49,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:01:49,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413454171] [2024-11-19 06:01:49,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413454171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:01:49,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:01:49,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:01:49,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862751361] [2024-11-19 06:01:49,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:01:49,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:01:49,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:01:49,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:01:49,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:01:50,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 729 out of 852 [2024-11-19 06:01:50,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 686 places, 682 transitions, 1512 flow. Second operand has 6 states, 6 states have (on average 730.6666666666666) internal successors, (4384), 6 states have internal predecessors, (4384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:01:50,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:01:50,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 729 of 852 [2024-11-19 06:01:50,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand