./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:15:32,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:15:32,496 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:15:32,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:15:32,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:15:32,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:15:32,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:15:32,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:15:32,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:15:32,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:15:32,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:15:32,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:15:32,522 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:15:32,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:15:32,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:15:32,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:15:32,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:15:32,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:15:32,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:15:32,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:15:32,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:15:32,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:15:32,525 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:15:32,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:15:32,525 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:15:32,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:15:32,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:15:32,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:15:32,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:15:32,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:15:32,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:15:32,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:15:32,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:15:32,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:15:32,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:15:32,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:15:32,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:15:32,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:15:32,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:15:32,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:15:32,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:15:32,529 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 504de2e820c504d0b98f5b71c19407f1b43c0dd9338639fad4f2fe6ea2f6854f [2024-10-11 17:15:32,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:15:32,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:15:32,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:15:32,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:15:32,812 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:15:32,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-10-11 17:15:34,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:15:34,363 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:15:34,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-barrier.wvr.c [2024-10-11 17:15:34,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/de68d2310/78a967f88b3844ecab59146288a5f063/FLAGb0d25bc4e [2024-10-11 17:15:34,385 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/de68d2310/78a967f88b3844ecab59146288a5f063 [2024-10-11 17:15:34,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:15:34,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:15:34,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:15:34,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:15:34,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:15:34,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc061dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34, skipping insertion in model container [2024-10-11 17:15:34,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:15:34,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:15:34,715 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:15:34,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:15:34,760 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:15:34,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34 WrapperNode [2024-10-11 17:15:34,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:15:34,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:15:34,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:15:34,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:15:34,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,819 INFO L138 Inliner]: procedures = 24, calls = 69, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 488 [2024-10-11 17:15:34,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:15:34,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:15:34,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:15:34,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:15:34,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:15:34,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:15:34,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:15:34,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:15:34,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (1/1) ... [2024-10-11 17:15:34,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:15:34,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:15:34,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:15:34,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:15:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:15:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:15:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:15:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:15:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:15:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-11 17:15:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-11 17:15:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-11 17:15:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-11 17:15:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:15:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-10-11 17:15:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-10-11 17:15:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-10-11 17:15:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-10-11 17:15:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:15:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:15:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:15:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:15:34,976 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:15:35,109 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:15:35,111 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:15:35,514 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:15:35,515 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:15:35,666 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:15:35,667 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 17:15:35,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:15:35 BoogieIcfgContainer [2024-10-11 17:15:35,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:15:35,669 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:15:35,669 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:15:35,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:15:35,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:15:34" (1/3) ... [2024-10-11 17:15:35,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435f73b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:15:35, skipping insertion in model container [2024-10-11 17:15:35,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:15:34" (2/3) ... [2024-10-11 17:15:35,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435f73b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:15:35, skipping insertion in model container [2024-10-11 17:15:35,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:15:35" (3/3) ... [2024-10-11 17:15:35,675 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-barrier.wvr.c [2024-10-11 17:15:35,687 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:15:35,688 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-10-11 17:15:35,688 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:15:35,773 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2024-10-11 17:15:35,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 404 places, 399 transitions, 864 flow [2024-10-11 17:15:35,885 INFO L124 PetriNetUnfolderBase]: 14/385 cut-off events. [2024-10-11 17:15:35,886 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-11 17:15:35,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 385 events. 14/385 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 620 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 337. Up to 3 conditions per place. [2024-10-11 17:15:35,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 404 places, 399 transitions, 864 flow [2024-10-11 17:15:35,899 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 372 places, 365 transitions, 778 flow [2024-10-11 17:15:35,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:15:35,911 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;@3bbe47f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:15:35,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2024-10-11 17:15:35,916 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:15:35,916 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-11 17:15:35,916 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:15:35,916 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:35,917 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] [2024-10-11 17:15:35,917 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:35,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:35,922 INFO L85 PathProgramCache]: Analyzing trace with hash 271217472, now seen corresponding path program 1 times [2024-10-11 17:15:35,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:35,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89265775] [2024-10-11 17:15:35,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:35,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:36,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:36,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89265775] [2024-10-11 17:15:36,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89265775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:36,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:36,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:36,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158807124] [2024-10-11 17:15:36,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:36,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:36,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:36,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 403 [2024-10-11 17:15:36,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 365 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:36,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:36,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 403 [2024-10-11 17:15:36,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:39,409 INFO L124 PetriNetUnfolderBase]: 11752/18627 cut-off events. [2024-10-11 17:15:39,409 INFO L125 PetriNetUnfolderBase]: For 4521/4521 co-relation queries the response was YES. [2024-10-11 17:15:39,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39257 conditions, 18627 events. 11752/18627 cut-off events. For 4521/4521 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130536 event pairs, 10673 based on Foata normal form. 84/17345 useless extension candidates. Maximal degree in co-relation 38574. Up to 16165 conditions per place. [2024-10-11 17:15:39,606 INFO L140 encePairwiseOnDemand]: 353/403 looper letters, 46 selfloop transitions, 2 changer transitions 1/317 dead transitions. [2024-10-11 17:15:39,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 317 transitions, 778 flow [2024-10-11 17:15:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2024-10-11 17:15:39,630 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8138957816377171 [2024-10-11 17:15:39,635 INFO L175 Difference]: Start difference. First operand has 372 places, 365 transitions, 778 flow. Second operand 3 states and 984 transitions. [2024-10-11 17:15:39,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 317 transitions, 778 flow [2024-10-11 17:15:39,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 317 transitions, 746 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-10-11 17:15:39,892 INFO L231 Difference]: Finished difference. Result has 317 places, 316 transitions, 652 flow [2024-10-11 17:15:39,898 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=317, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=317, PETRI_TRANSITIONS=316} [2024-10-11 17:15:39,904 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -55 predicate places. [2024-10-11 17:15:39,904 INFO L471 AbstractCegarLoop]: Abstraction has has 317 places, 316 transitions, 652 flow [2024-10-11 17:15:39,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:39,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:39,908 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] [2024-10-11 17:15:39,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:15:39,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:39,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:39,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1494094181, now seen corresponding path program 1 times [2024-10-11 17:15:39,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:39,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459722725] [2024-10-11 17:15:39,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:39,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:39,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:39,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459722725] [2024-10-11 17:15:39,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459722725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:39,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:39,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:39,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640760245] [2024-10-11 17:15:39,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:39,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:39,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:39,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:39,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:40,009 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 403 [2024-10-11 17:15:40,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 316 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:40,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:40,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 403 [2024-10-11 17:15:40,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:43,302 INFO L124 PetriNetUnfolderBase]: 11752/18655 cut-off events. [2024-10-11 17:15:43,303 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2024-10-11 17:15:43,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35957 conditions, 18655 events. 11752/18655 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130355 event pairs, 10673 based on Foata normal form. 0/17283 useless extension candidates. Maximal degree in co-relation 35920. Up to 16165 conditions per place. [2024-10-11 17:15:43,381 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 46 selfloop transitions, 2 changer transitions 0/315 dead transitions. [2024-10-11 17:15:43,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 315 transitions, 746 flow [2024-10-11 17:15:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-11 17:15:43,384 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7750206782464847 [2024-10-11 17:15:43,384 INFO L175 Difference]: Start difference. First operand has 317 places, 316 transitions, 652 flow. Second operand 3 states and 937 transitions. [2024-10-11 17:15:43,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 315 transitions, 746 flow [2024-10-11 17:15:43,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 315 transitions, 742 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:43,387 INFO L231 Difference]: Finished difference. Result has 315 places, 315 transitions, 650 flow [2024-10-11 17:15:43,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=650, PETRI_PLACES=315, PETRI_TRANSITIONS=315} [2024-10-11 17:15:43,388 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -57 predicate places. [2024-10-11 17:15:43,389 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 315 transitions, 650 flow [2024-10-11 17:15:43,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:43,389 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:43,389 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] [2024-10-11 17:15:43,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:15:43,390 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:43,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:43,390 INFO L85 PathProgramCache]: Analyzing trace with hash 717135015, now seen corresponding path program 1 times [2024-10-11 17:15:43,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:43,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955930631] [2024-10-11 17:15:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:43,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:43,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:43,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:43,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955930631] [2024-10-11 17:15:43,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955930631] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:43,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:43,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:43,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830784368] [2024-10-11 17:15:43,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:43,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:43,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:43,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:43,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:43,466 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-11 17:15:43,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 315 transitions, 650 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:43,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:43,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-11 17:15:43,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:46,041 INFO L124 PetriNetUnfolderBase]: 11752/18654 cut-off events. [2024-10-11 17:15:46,041 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2024-10-11 17:15:46,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35954 conditions, 18654 events. 11752/18654 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130997 event pairs, 10673 based on Foata normal form. 0/17282 useless extension candidates. Maximal degree in co-relation 35909. Up to 16163 conditions per place. [2024-10-11 17:15:46,159 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/314 dead transitions. [2024-10-11 17:15:46,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 314 transitions, 740 flow [2024-10-11 17:15:46,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-11 17:15:46,162 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-11 17:15:46,162 INFO L175 Difference]: Start difference. First operand has 315 places, 315 transitions, 650 flow. Second operand 3 states and 941 transitions. [2024-10-11 17:15:46,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 314 transitions, 740 flow [2024-10-11 17:15:46,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 314 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:46,167 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 648 flow [2024-10-11 17:15:46,167 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=648, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2024-10-11 17:15:46,168 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -58 predicate places. [2024-10-11 17:15:46,168 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 648 flow [2024-10-11 17:15:46,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:46,169 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:46,169 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] [2024-10-11 17:15:46,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:15:46,169 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash -495515715, now seen corresponding path program 1 times [2024-10-11 17:15:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430243100] [2024-10-11 17:15:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:46,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:46,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430243100] [2024-10-11 17:15:46,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430243100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:46,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:46,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:46,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790542301] [2024-10-11 17:15:46,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:46,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:46,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:46,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:46,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:46,221 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-11 17:15:46,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 648 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:46,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:46,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-11 17:15:46,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:48,521 INFO L124 PetriNetUnfolderBase]: 11752/18653 cut-off events. [2024-10-11 17:15:48,522 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2024-10-11 17:15:48,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35953 conditions, 18653 events. 11752/18653 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130889 event pairs, 10673 based on Foata normal form. 0/17282 useless extension candidates. Maximal degree in co-relation 35900. Up to 16163 conditions per place. [2024-10-11 17:15:48,614 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/313 dead transitions. [2024-10-11 17:15:48,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 313 transitions, 738 flow [2024-10-11 17:15:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-11 17:15:48,619 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-11 17:15:48,619 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 648 flow. Second operand 3 states and 941 transitions. [2024-10-11 17:15:48,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 313 transitions, 738 flow [2024-10-11 17:15:48,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 313 transitions, 734 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:48,624 INFO L231 Difference]: Finished difference. Result has 313 places, 313 transitions, 646 flow [2024-10-11 17:15:48,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=642, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=646, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2024-10-11 17:15:48,629 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -59 predicate places. [2024-10-11 17:15:48,629 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 646 flow [2024-10-11 17:15:48,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,629 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:48,629 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] [2024-10-11 17:15:48,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:15:48,630 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:48,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:48,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1842778573, now seen corresponding path program 1 times [2024-10-11 17:15:48,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:48,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280640170] [2024-10-11 17:15:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:48,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:48,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:48,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280640170] [2024-10-11 17:15:48,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280640170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:48,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:48,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:48,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143202558] [2024-10-11 17:15:48,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:48,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:48,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:48,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:48,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:48,689 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-11 17:15:48,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 646 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:48,690 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:48,690 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-11 17:15:48,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:51,660 INFO L124 PetriNetUnfolderBase]: 11629/18396 cut-off events. [2024-10-11 17:15:51,660 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-11 17:15:51,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35500 conditions, 18396 events. 11629/18396 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128835 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35439. Up to 15976 conditions per place. [2024-10-11 17:15:51,738 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/312 dead transitions. [2024-10-11 17:15:51,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 312 transitions, 734 flow [2024-10-11 17:15:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:51,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-11 17:15:51,741 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-11 17:15:51,741 INFO L175 Difference]: Start difference. First operand has 313 places, 313 transitions, 646 flow. Second operand 3 states and 943 transitions. [2024-10-11 17:15:51,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 312 transitions, 734 flow [2024-10-11 17:15:51,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 312 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:51,744 INFO L231 Difference]: Finished difference. Result has 312 places, 312 transitions, 644 flow [2024-10-11 17:15:51,745 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=644, PETRI_PLACES=312, PETRI_TRANSITIONS=312} [2024-10-11 17:15:51,745 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -60 predicate places. [2024-10-11 17:15:51,745 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 312 transitions, 644 flow [2024-10-11 17:15:51,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:51,746 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:51,746 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] [2024-10-11 17:15:51,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:15:51,746 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:51,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash 403226511, now seen corresponding path program 1 times [2024-10-11 17:15:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:51,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337371076] [2024-10-11 17:15:51,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:51,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:51,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:51,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337371076] [2024-10-11 17:15:51,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337371076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:51,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:51,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:51,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789099886] [2024-10-11 17:15:51,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:51,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:51,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:51,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:51,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:51,787 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-11 17:15:51,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 312 transitions, 644 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:51,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:51,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-11 17:15:51,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:54,132 INFO L124 PetriNetUnfolderBase]: 11629/18395 cut-off events. [2024-10-11 17:15:54,133 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-11 17:15:54,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35499 conditions, 18395 events. 11629/18395 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128711 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35430. Up to 15976 conditions per place. [2024-10-11 17:15:54,239 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2024-10-11 17:15:54,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 311 transitions, 732 flow [2024-10-11 17:15:54,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-11 17:15:54,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-11 17:15:54,242 INFO L175 Difference]: Start difference. First operand has 312 places, 312 transitions, 644 flow. Second operand 3 states and 943 transitions. [2024-10-11 17:15:54,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 311 transitions, 732 flow [2024-10-11 17:15:54,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 311 transitions, 728 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:54,248 INFO L231 Difference]: Finished difference. Result has 311 places, 311 transitions, 642 flow [2024-10-11 17:15:54,249 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=638, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=642, PETRI_PLACES=311, PETRI_TRANSITIONS=311} [2024-10-11 17:15:54,249 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -61 predicate places. [2024-10-11 17:15:54,250 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 311 transitions, 642 flow [2024-10-11 17:15:54,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:54,251 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:54,252 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] [2024-10-11 17:15:54,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:15:54,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:54,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash -501871119, now seen corresponding path program 1 times [2024-10-11 17:15:54,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:54,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087023914] [2024-10-11 17:15:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:54,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:54,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:54,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:54,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087023914] [2024-10-11 17:15:54,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087023914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:54,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:54,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:54,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315631642] [2024-10-11 17:15:54,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:54,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:54,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:54,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:54,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:54,332 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 403 [2024-10-11 17:15:54,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 311 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:54,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:54,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 403 [2024-10-11 17:15:54,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:56,464 INFO L124 PetriNetUnfolderBase]: 11750/18600 cut-off events. [2024-10-11 17:15:56,464 INFO L125 PetriNetUnfolderBase]: For 1131/1131 co-relation queries the response was YES. [2024-10-11 17:15:56,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35901 conditions, 18600 events. 11750/18600 cut-off events. For 1131/1131 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130206 event pairs, 10673 based on Foata normal form. 0/17238 useless extension candidates. Maximal degree in co-relation 35824. Up to 16165 conditions per place. [2024-10-11 17:15:56,541 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 46 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-10-11 17:15:56,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 736 flow [2024-10-11 17:15:56,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-11 17:15:56,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7750206782464847 [2024-10-11 17:15:56,543 INFO L175 Difference]: Start difference. First operand has 311 places, 311 transitions, 642 flow. Second operand 3 states and 937 transitions. [2024-10-11 17:15:56,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 736 flow [2024-10-11 17:15:56,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 310 transitions, 732 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:56,546 INFO L231 Difference]: Finished difference. Result has 310 places, 310 transitions, 640 flow [2024-10-11 17:15:56,547 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=636, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=310, PETRI_TRANSITIONS=310} [2024-10-11 17:15:56,547 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -62 predicate places. [2024-10-11 17:15:56,547 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 310 transitions, 640 flow [2024-10-11 17:15:56,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:56,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:56,548 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] [2024-10-11 17:15:56,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:15:56,548 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:56,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash 3528391, now seen corresponding path program 1 times [2024-10-11 17:15:56,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:56,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319814982] [2024-10-11 17:15:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:56,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:56,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319814982] [2024-10-11 17:15:56,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319814982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:56,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:56,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:56,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421665502] [2024-10-11 17:15:56,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:56,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:56,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:56,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:56,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:56,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-11 17:15:56,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 310 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:56,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:56,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-11 17:15:56,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:15:58,705 INFO L124 PetriNetUnfolderBase]: 11629/18393 cut-off events. [2024-10-11 17:15:58,706 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-11 17:15:58,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35497 conditions, 18393 events. 11629/18393 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128844 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35412. Up to 15976 conditions per place. [2024-10-11 17:15:59,029 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-10-11 17:15:59,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 309 transitions, 728 flow [2024-10-11 17:15:59,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:15:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:15:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-11 17:15:59,032 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-11 17:15:59,032 INFO L175 Difference]: Start difference. First operand has 310 places, 310 transitions, 640 flow. Second operand 3 states and 943 transitions. [2024-10-11 17:15:59,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 309 transitions, 728 flow [2024-10-11 17:15:59,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 309 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:15:59,036 INFO L231 Difference]: Finished difference. Result has 309 places, 309 transitions, 638 flow [2024-10-11 17:15:59,037 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=638, PETRI_PLACES=309, PETRI_TRANSITIONS=309} [2024-10-11 17:15:59,037 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -63 predicate places. [2024-10-11 17:15:59,038 INFO L471 AbstractCegarLoop]: Abstraction has has 309 places, 309 transitions, 638 flow [2024-10-11 17:15:59,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:59,038 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:15:59,038 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] [2024-10-11 17:15:59,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:15:59,039 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:15:59,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:15:59,039 INFO L85 PathProgramCache]: Analyzing trace with hash 797625121, now seen corresponding path program 1 times [2024-10-11 17:15:59,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:15:59,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052221685] [2024-10-11 17:15:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:15:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:15:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:15:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:15:59,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:15:59,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052221685] [2024-10-11 17:15:59,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052221685] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:15:59,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:15:59,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:15:59,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246735432] [2024-10-11 17:15:59,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:15:59,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:15:59,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:15:59,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:15:59,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:15:59,076 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-11 17:15:59,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 309 transitions, 638 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:15:59,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:15:59,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-11 17:15:59,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:01,293 INFO L124 PetriNetUnfolderBase]: 11750/18598 cut-off events. [2024-10-11 17:16:01,294 INFO L125 PetriNetUnfolderBase]: For 1131/1131 co-relation queries the response was YES. [2024-10-11 17:16:01,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35897 conditions, 18598 events. 11750/18598 cut-off events. For 1131/1131 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130469 event pairs, 10673 based on Foata normal form. 0/17201 useless extension candidates. Maximal degree in co-relation 35804. Up to 16163 conditions per place. [2024-10-11 17:16:01,366 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2024-10-11 17:16:01,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 308 transitions, 728 flow [2024-10-11 17:16:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:01,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-11 17:16:01,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-11 17:16:01,371 INFO L175 Difference]: Start difference. First operand has 309 places, 309 transitions, 638 flow. Second operand 3 states and 941 transitions. [2024-10-11 17:16:01,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 308 transitions, 728 flow [2024-10-11 17:16:01,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 308 transitions, 724 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:01,379 INFO L231 Difference]: Finished difference. Result has 308 places, 308 transitions, 636 flow [2024-10-11 17:16:01,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=308, PETRI_TRANSITIONS=308} [2024-10-11 17:16:01,383 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -64 predicate places. [2024-10-11 17:16:01,384 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 308 transitions, 636 flow [2024-10-11 17:16:01,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:16:01,384 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:01,384 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:01,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 17:16:01,384 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:16:01,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:01,385 INFO L85 PathProgramCache]: Analyzing trace with hash 988875937, now seen corresponding path program 1 times [2024-10-11 17:16:01,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:01,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988699275] [2024-10-11 17:16:01,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:01,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:01,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:01,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988699275] [2024-10-11 17:16:01,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988699275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:01,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:01,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:01,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472707003] [2024-10-11 17:16:01,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:01,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:01,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:01,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:01,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:01,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 403 [2024-10-11 17:16:01,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 308 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:16:01,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:01,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 403 [2024-10-11 17:16:01,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:03,730 INFO L124 PetriNetUnfolderBase]: 11750/18597 cut-off events. [2024-10-11 17:16:03,731 INFO L125 PetriNetUnfolderBase]: For 1131/1131 co-relation queries the response was YES. [2024-10-11 17:16:03,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35896 conditions, 18597 events. 11750/18597 cut-off events. For 1131/1131 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 130298 event pairs, 10673 based on Foata normal form. 0/17194 useless extension candidates. Maximal degree in co-relation 35795. Up to 16163 conditions per place. [2024-10-11 17:16:03,810 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 44 selfloop transitions, 2 changer transitions 0/307 dead transitions. [2024-10-11 17:16:03,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 307 transitions, 726 flow [2024-10-11 17:16:03,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:03,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 941 transitions. [2024-10-11 17:16:03,818 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7783291976840364 [2024-10-11 17:16:03,818 INFO L175 Difference]: Start difference. First operand has 308 places, 308 transitions, 636 flow. Second operand 3 states and 941 transitions. [2024-10-11 17:16:03,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 307 transitions, 726 flow [2024-10-11 17:16:03,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 307 transitions, 722 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:03,825 INFO L231 Difference]: Finished difference. Result has 307 places, 307 transitions, 634 flow [2024-10-11 17:16:03,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=634, PETRI_PLACES=307, PETRI_TRANSITIONS=307} [2024-10-11 17:16:03,830 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -65 predicate places. [2024-10-11 17:16:03,831 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 307 transitions, 634 flow [2024-10-11 17:16:03,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 299.3333333333333) internal successors, (898), 3 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:16:03,831 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:03,831 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:03,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 17:16:03,831 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:16:03,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:03,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1725167456, now seen corresponding path program 1 times [2024-10-11 17:16:03,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:03,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36650366] [2024-10-11 17:16:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:03,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:03,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:03,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36650366] [2024-10-11 17:16:03,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36650366] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:03,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:03,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:03,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274215032] [2024-10-11 17:16:03,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:03,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:03,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:03,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-11 17:16:03,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 307 transitions, 634 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:16:03,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:03,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-11 17:16:03,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:05,964 INFO L124 PetriNetUnfolderBase]: 11629/18390 cut-off events. [2024-10-11 17:16:05,964 INFO L125 PetriNetUnfolderBase]: For 1122/1122 co-relation queries the response was YES. [2024-10-11 17:16:05,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35494 conditions, 18390 events. 11629/18390 cut-off events. For 1122/1122 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 128914 event pairs, 10560 based on Foata normal form. 0/17047 useless extension candidates. Maximal degree in co-relation 35385. Up to 15976 conditions per place. [2024-10-11 17:16:06,047 INFO L140 encePairwiseOnDemand]: 400/403 looper letters, 43 selfloop transitions, 2 changer transitions 0/306 dead transitions. [2024-10-11 17:16:06,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 306 transitions, 722 flow [2024-10-11 17:16:06,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2024-10-11 17:16:06,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7799834574028123 [2024-10-11 17:16:06,052 INFO L175 Difference]: Start difference. First operand has 307 places, 307 transitions, 634 flow. Second operand 3 states and 943 transitions. [2024-10-11 17:16:06,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 306 transitions, 722 flow [2024-10-11 17:16:06,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 718 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:06,059 INFO L231 Difference]: Finished difference. Result has 306 places, 306 transitions, 632 flow [2024-10-11 17:16:06,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=403, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=632, PETRI_PLACES=306, PETRI_TRANSITIONS=306} [2024-10-11 17:16:06,063 INFO L277 CegarLoopForPetriNet]: 372 programPoint places, -66 predicate places. [2024-10-11 17:16:06,065 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 306 transitions, 632 flow [2024-10-11 17:16:06,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:16:06,065 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:06,065 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] [2024-10-11 17:16:06,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 17:16:06,066 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-10-11 17:16:06,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:06,066 INFO L85 PathProgramCache]: Analyzing trace with hash -484440171, now seen corresponding path program 1 times [2024-10-11 17:16:06,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:06,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746066553] [2024-10-11 17:16:06,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:06,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:06,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:06,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746066553] [2024-10-11 17:16:06,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746066553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:06,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:06,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:06,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231952279] [2024-10-11 17:16:06,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:06,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:06,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:06,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:06,138 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 403 [2024-10-11 17:16:06,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 306 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 300.3333333333333) internal successors, (901), 3 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 17:16:06,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:06,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 403 [2024-10-11 17:16:06,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand