./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:22:24,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:22:24,603 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:22:24,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:22:24,607 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:22:24,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:22:24,631 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:22:24,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:22:24,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:22:24,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:22:24,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:22:24,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:22:24,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:22:24,632 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:22:24,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:22:24,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:22:24,633 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 5810bf8f90e8e4e20451fbc06dd5039f754e5765485d12699b814c2e1d4badb7 [2025-02-06 09:22:24,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:22:24,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:22:24,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:22:24,862 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:22:24,862 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:22:24,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i [2025-02-06 09:22:25,968 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6589c9f9c/caaa3841078e4908b9284ff0559afdec/FLAG096bde9d7 [2025-02-06 09:22:26,221 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:22:26,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_16-arrayloop_rc.i [2025-02-06 09:22:26,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6589c9f9c/caaa3841078e4908b9284ff0559afdec/FLAG096bde9d7 [2025-02-06 09:22:26,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6589c9f9c/caaa3841078e4908b9284ff0559afdec [2025-02-06 09:22:26,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:22:26,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:22:26,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:22:26,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:22:26,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:22:26,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772cdbe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26, skipping insertion in model container [2025-02-06 09:22:26,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:22:26,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:22:26,652 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:22:26,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:22:26,754 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:22:26,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26 WrapperNode [2025-02-06 09:22:26,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:22:26,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:22:26,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:22:26,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:22:26,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,811 INFO L138 Inliner]: procedures = 370, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 283 [2025-02-06 09:22:26,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:22:26,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:22:26,811 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:22:26,811 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:22:26,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:22:26,857 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:22:26,857 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:22:26,857 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:22:26,858 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (1/1) ... [2025-02-06 09:22:26,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:22:26,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:22:26,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:22:26,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:22:26,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 09:22:26,907 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 09:22:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:22:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:22:26,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:22:26,909 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:22:27,007 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:22:27,008 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:22:27,398 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:22:27,398 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:22:27,419 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:22:27,419 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:22:27,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:22:27 BoogieIcfgContainer [2025-02-06 09:22:27,419 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:22:27,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:22:27,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:22:27,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:22:27,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:22:26" (1/3) ... [2025-02-06 09:22:27,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209ecc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:22:27, skipping insertion in model container [2025-02-06 09:22:27,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:22:26" (2/3) ... [2025-02-06 09:22:27,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209ecc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:22:27, skipping insertion in model container [2025-02-06 09:22:27,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:22:27" (3/3) ... [2025-02-06 09:22:27,425 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.i [2025-02-06 09:22:27,434 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:22:27,435 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_16-arrayloop_rc.i that has 2 procedures, 319 locations, 1 initial locations, 3 loop locations, and 18 error locations. [2025-02-06 09:22:27,435 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:22:27,497 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-06 09:22:27,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 322 places, 321 transitions, 646 flow [2025-02-06 09:22:27,632 INFO L124 PetriNetUnfolderBase]: 3/320 cut-off events. [2025-02-06 09:22:27,633 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:22:27,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 320 events. 3/320 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 432 event pairs, 0 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2025-02-06 09:22:27,639 INFO L82 GeneralOperation]: Start removeDead. Operand has 322 places, 321 transitions, 646 flow [2025-02-06 09:22:27,647 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 321 places, 320 transitions, 643 flow [2025-02-06 09:22:27,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:22:27,671 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;@65483c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:22:27,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-02-06 09:22:27,697 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:22:27,697 INFO L124 PetriNetUnfolderBase]: 0/121 cut-off events. [2025-02-06 09:22:27,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:22:27,698 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:27,699 INFO L206 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] [2025-02-06 09:22:27,699 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:27,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:27,703 INFO L85 PathProgramCache]: Analyzing trace with hash 34199624, now seen corresponding path program 1 times [2025-02-06 09:22:27,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:27,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784197970] [2025-02-06 09:22:27,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:27,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 09:22:27,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 09:22:27,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:27,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:28,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784197970] [2025-02-06 09:22:28,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784197970] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:28,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:28,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:22:28,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076237114] [2025-02-06 09:22:28,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:28,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:22:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:28,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:22:28,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:22:28,950 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2025-02-06 09:22:28,954 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 320 transitions, 643 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:28,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:28,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2025-02-06 09:22:28,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:29,865 INFO L124 PetriNetUnfolderBase]: 1265/4916 cut-off events. [2025-02-06 09:22:29,865 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:22:29,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7460 conditions, 4916 events. 1265/4916 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 36271 event pairs, 912 based on Foata normal form. 0/4506 useless extension candidates. Maximal degree in co-relation 7320. Up to 2359 conditions per place. [2025-02-06 09:22:29,882 INFO L140 encePairwiseOnDemand]: 284/321 looper letters, 84 selfloop transitions, 107 changer transitions 0/428 dead transitions. [2025-02-06 09:22:29,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 428 transitions, 1241 flow [2025-02-06 09:22:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:22:29,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:22:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1621 transitions. [2025-02-06 09:22:29,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416407061266874 [2025-02-06 09:22:29,899 INFO L175 Difference]: Start difference. First operand has 321 places, 320 transitions, 643 flow. Second operand 6 states and 1621 transitions. [2025-02-06 09:22:29,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 428 transitions, 1241 flow [2025-02-06 09:22:29,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 428 transitions, 1240 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:22:29,913 INFO L231 Difference]: Finished difference. Result has 329 places, 420 transitions, 1330 flow [2025-02-06 09:22:29,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1330, PETRI_PLACES=329, PETRI_TRANSITIONS=420} [2025-02-06 09:22:29,922 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 8 predicate places. [2025-02-06 09:22:29,922 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 420 transitions, 1330 flow [2025-02-06 09:22:29,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:29,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:29,923 INFO L206 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] [2025-02-06 09:22:29,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:22:29,923 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:29,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:29,924 INFO L85 PathProgramCache]: Analyzing trace with hash -623977462, now seen corresponding path program 1 times [2025-02-06 09:22:29,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:29,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707893228] [2025-02-06 09:22:29,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:29,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:29,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 09:22:29,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 09:22:29,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:29,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707893228] [2025-02-06 09:22:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707893228] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:30,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:30,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:22:30,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769310236] [2025-02-06 09:22:30,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:30,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:22:30,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:30,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:22:30,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:22:30,624 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2025-02-06 09:22:30,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 420 transitions, 1330 flow. Second operand has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:30,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:30,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2025-02-06 09:22:30,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:31,325 INFO L124 PetriNetUnfolderBase]: 1531/5800 cut-off events. [2025-02-06 09:22:31,325 INFO L125 PetriNetUnfolderBase]: For 1217/1220 co-relation queries the response was YES. [2025-02-06 09:22:31,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10592 conditions, 5800 events. 1531/5800 cut-off events. For 1217/1220 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 44152 event pairs, 936 based on Foata normal form. 0/5357 useless extension candidates. Maximal degree in co-relation 10439. Up to 2637 conditions per place. [2025-02-06 09:22:31,354 INFO L140 encePairwiseOnDemand]: 284/321 looper letters, 180 selfloop transitions, 107 changer transitions 0/528 dead transitions. [2025-02-06 09:22:31,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 528 transitions, 2312 flow [2025-02-06 09:22:31,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:22:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:22:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1621 transitions. [2025-02-06 09:22:31,358 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8416407061266874 [2025-02-06 09:22:31,358 INFO L175 Difference]: Start difference. First operand has 329 places, 420 transitions, 1330 flow. Second operand 6 states and 1621 transitions. [2025-02-06 09:22:31,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 528 transitions, 2312 flow [2025-02-06 09:22:31,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 333 places, 528 transitions, 2312 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:22:31,382 INFO L231 Difference]: Finished difference. Result has 338 places, 520 transitions, 2210 flow [2025-02-06 09:22:31,387 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=1328, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=419, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2210, PETRI_PLACES=338, PETRI_TRANSITIONS=520} [2025-02-06 09:22:31,387 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 17 predicate places. [2025-02-06 09:22:31,387 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 520 transitions, 2210 flow [2025-02-06 09:22:31,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 239.33333333333334) internal successors, (1436), 6 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:31,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:31,388 INFO L206 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] [2025-02-06 09:22:31,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:22:31,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:31,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:31,389 INFO L85 PathProgramCache]: Analyzing trace with hash -707668766, now seen corresponding path program 1 times [2025-02-06 09:22:31,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:31,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235775766] [2025-02-06 09:22:31,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:31,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:31,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 09:22:31,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 09:22:31,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:31,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:31,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:31,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235775766] [2025-02-06 09:22:31,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235775766] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:31,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:31,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:22:31,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780963066] [2025-02-06 09:22:31,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:31,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:22:31,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:31,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:22:31,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:22:31,594 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 307 out of 321 [2025-02-06 09:22:31,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 520 transitions, 2210 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:31,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:31,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 307 of 321 [2025-02-06 09:22:31,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:32,136 INFO L124 PetriNetUnfolderBase]: 1081/4426 cut-off events. [2025-02-06 09:22:32,136 INFO L125 PetriNetUnfolderBase]: For 1106/1112 co-relation queries the response was YES. [2025-02-06 09:22:32,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8836 conditions, 4426 events. 1081/4426 cut-off events. For 1106/1112 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 28499 event pairs, 108 based on Foata normal form. 4/4184 useless extension candidates. Maximal degree in co-relation 8615. Up to 1137 conditions per place. [2025-02-06 09:22:32,153 INFO L140 encePairwiseOnDemand]: 315/321 looper letters, 16 selfloop transitions, 4 changer transitions 0/526 dead transitions. [2025-02-06 09:22:32,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 526 transitions, 2262 flow [2025-02-06 09:22:32,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:22:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:22:32,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2025-02-06 09:22:32,155 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9792315680166147 [2025-02-06 09:22:32,155 INFO L175 Difference]: Start difference. First operand has 338 places, 520 transitions, 2210 flow. Second operand 3 states and 943 transitions. [2025-02-06 09:22:32,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 526 transitions, 2262 flow [2025-02-06 09:22:32,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 526 transitions, 2070 flow, removed 96 selfloop flow, removed 0 redundant places. [2025-02-06 09:22:32,171 INFO L231 Difference]: Finished difference. Result has 341 places, 522 transitions, 2042 flow [2025-02-06 09:22:32,171 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=2018, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=520, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2042, PETRI_PLACES=341, PETRI_TRANSITIONS=522} [2025-02-06 09:22:32,172 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 20 predicate places. [2025-02-06 09:22:32,172 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 522 transitions, 2042 flow [2025-02-06 09:22:32,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:32,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:32,173 INFO L206 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] [2025-02-06 09:22:32,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:22:32,173 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:32,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:32,174 INFO L85 PathProgramCache]: Analyzing trace with hash -175300369, now seen corresponding path program 1 times [2025-02-06 09:22:32,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:32,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930284762] [2025-02-06 09:22:32,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:32,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:32,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 09:22:32,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 09:22:32,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:32,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:32,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:32,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930284762] [2025-02-06 09:22:32,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930284762] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:32,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:32,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:22:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572854427] [2025-02-06 09:22:32,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:32,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:22:32,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:32,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:22:32,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:22:32,893 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 321 [2025-02-06 09:22:32,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 522 transitions, 2042 flow. Second operand has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:32,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:32,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 321 [2025-02-06 09:22:32,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:34,219 INFO L124 PetriNetUnfolderBase]: 2970/10686 cut-off events. [2025-02-06 09:22:34,219 INFO L125 PetriNetUnfolderBase]: For 6020/6123 co-relation queries the response was YES. [2025-02-06 09:22:34,232 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23742 conditions, 10686 events. 2970/10686 cut-off events. For 6020/6123 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 84582 event pairs, 1872 based on Foata normal form. 0/10145 useless extension candidates. Maximal degree in co-relation 23486. Up to 5591 conditions per place. [2025-02-06 09:22:34,254 INFO L140 encePairwiseOnDemand]: 315/321 looper letters, 285 selfloop transitions, 5 changer transitions 0/521 dead transitions. [2025-02-06 09:22:34,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 521 transitions, 2620 flow [2025-02-06 09:22:34,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:22:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:22:34,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1471 transitions. [2025-02-06 09:22:34,259 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7637590861889927 [2025-02-06 09:22:34,259 INFO L175 Difference]: Start difference. First operand has 341 places, 522 transitions, 2042 flow. Second operand 6 states and 1471 transitions. [2025-02-06 09:22:34,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 521 transitions, 2620 flow [2025-02-06 09:22:34,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 521 transitions, 2616 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:22:34,271 INFO L231 Difference]: Finished difference. Result has 344 places, 521 transitions, 2046 flow [2025-02-06 09:22:34,272 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=516, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2046, PETRI_PLACES=344, PETRI_TRANSITIONS=521} [2025-02-06 09:22:34,273 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 23 predicate places. [2025-02-06 09:22:34,273 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 521 transitions, 2046 flow [2025-02-06 09:22:34,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 233.0) internal successors, (1398), 6 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:34,274 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:34,274 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:34,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:22:34,274 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:34,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:34,275 INFO L85 PathProgramCache]: Analyzing trace with hash 145570978, now seen corresponding path program 1 times [2025-02-06 09:22:34,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:34,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469238616] [2025-02-06 09:22:34,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:34,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 09:22:34,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 09:22:34,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:34,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:34,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:34,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469238616] [2025-02-06 09:22:34,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469238616] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:22:34,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [756162624] [2025-02-06 09:22:34,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:34,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:22:34,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:22:34,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:22:34,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 09:22:34,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 09:22:34,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 09:22:34,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:34,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:34,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:22:34,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:22:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:34,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:22:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:34,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [756162624] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:22:34,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:22:34,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 09:22:34,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109277697] [2025-02-06 09:22:34,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:22:34,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 09:22:34,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:34,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 09:22:34,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 09:22:34,833 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 321 [2025-02-06 09:22:34,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 521 transitions, 2046 flow. Second operand has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:34,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:34,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 321 [2025-02-06 09:22:34,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:35,466 INFO L124 PetriNetUnfolderBase]: 1095/4581 cut-off events. [2025-02-06 09:22:35,466 INFO L125 PetriNetUnfolderBase]: For 683/689 co-relation queries the response was YES. [2025-02-06 09:22:35,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8884 conditions, 4581 events. 1095/4581 cut-off events. For 683/689 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 29283 event pairs, 106 based on Foata normal form. 2/4327 useless extension candidates. Maximal degree in co-relation 8588. Up to 922 conditions per place. [2025-02-06 09:22:35,481 INFO L140 encePairwiseOnDemand]: 312/321 looper letters, 22 selfloop transitions, 13 changer transitions 0/536 dead transitions. [2025-02-06 09:22:35,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 536 transitions, 2148 flow [2025-02-06 09:22:35,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 09:22:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-06 09:22:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2764 transitions. [2025-02-06 09:22:35,487 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9567324333679473 [2025-02-06 09:22:35,487 INFO L175 Difference]: Start difference. First operand has 344 places, 521 transitions, 2046 flow. Second operand 9 states and 2764 transitions. [2025-02-06 09:22:35,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 536 transitions, 2148 flow [2025-02-06 09:22:35,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 536 transitions, 2138 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-02-06 09:22:35,499 INFO L231 Difference]: Finished difference. Result has 350 places, 528 transitions, 2104 flow [2025-02-06 09:22:35,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=2036, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=521, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=511, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2104, PETRI_PLACES=350, PETRI_TRANSITIONS=528} [2025-02-06 09:22:35,501 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 29 predicate places. [2025-02-06 09:22:35,501 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 528 transitions, 2104 flow [2025-02-06 09:22:35,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 305.0) internal successors, (3050), 10 states have internal predecessors, (3050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:35,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:35,503 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:35,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 09:22:35,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:22:35,706 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:35,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:35,707 INFO L85 PathProgramCache]: Analyzing trace with hash 940868770, now seen corresponding path program 2 times [2025-02-06 09:22:35,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:35,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525035206] [2025-02-06 09:22:35,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:22:35,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:35,737 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 220 statements into 2 equivalence classes. [2025-02-06 09:22:35,742 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 97 of 220 statements. [2025-02-06 09:22:35,742 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 09:22:35,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2025-02-06 09:22:35,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:35,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525035206] [2025-02-06 09:22:35,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525035206] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:35,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:35,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:22:35,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588203928] [2025-02-06 09:22:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:35,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:22:35,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:35,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:22:35,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:22:36,233 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 321 [2025-02-06 09:22:36,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 528 transitions, 2104 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:36,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:36,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 321 [2025-02-06 09:22:36,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:38,321 INFO L124 PetriNetUnfolderBase]: 3572/12304 cut-off events. [2025-02-06 09:22:38,322 INFO L125 PetriNetUnfolderBase]: For 5280/5362 co-relation queries the response was YES. [2025-02-06 09:22:38,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26818 conditions, 12304 events. 3572/12304 cut-off events. For 5280/5362 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 98000 event pairs, 1616 based on Foata normal form. 0/11548 useless extension candidates. Maximal degree in co-relation 26484. Up to 6064 conditions per place. [2025-02-06 09:22:38,397 INFO L140 encePairwiseOnDemand]: 278/321 looper letters, 245 selfloop transitions, 170 changer transitions 0/697 dead transitions. [2025-02-06 09:22:38,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 697 transitions, 3412 flow [2025-02-06 09:22:38,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:22:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:22:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2025-02-06 09:22:38,403 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8743509865005192 [2025-02-06 09:22:38,403 INFO L175 Difference]: Start difference. First operand has 350 places, 528 transitions, 2104 flow. Second operand 6 states and 1684 transitions. [2025-02-06 09:22:38,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 697 transitions, 3412 flow [2025-02-06 09:22:38,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 697 transitions, 3402 flow, removed 3 selfloop flow, removed 1 redundant places. [2025-02-06 09:22:38,420 INFO L231 Difference]: Finished difference. Result has 359 places, 689 transitions, 3344 flow [2025-02-06 09:22:38,420 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3344, PETRI_PLACES=359, PETRI_TRANSITIONS=689} [2025-02-06 09:22:38,421 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 38 predicate places. [2025-02-06 09:22:38,421 INFO L471 AbstractCegarLoop]: Abstraction has has 359 places, 689 transitions, 3344 flow [2025-02-06 09:22:38,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:38,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:38,422 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:38,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:22:38,422 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:38,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:38,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1069253030, now seen corresponding path program 1 times [2025-02-06 09:22:38,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:38,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477183938] [2025-02-06 09:22:38,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:38,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:38,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-02-06 09:22:38,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 09:22:38,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:38,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:38,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:38,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477183938] [2025-02-06 09:22:38,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477183938] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:22:38,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997960551] [2025-02-06 09:22:38,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:38,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:22:38,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:22:38,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:22:38,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 09:22:38,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 228 statements into 1 equivalence classes. [2025-02-06 09:22:38,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 09:22:38,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:38,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:38,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 09:22:39,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:22:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:39,168 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:22:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:39,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997960551] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:22:39,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:22:39,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-02-06 09:22:39,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524888119] [2025-02-06 09:22:39,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:22:39,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 09:22:39,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:39,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 09:22:39,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-06 09:22:39,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 321 [2025-02-06 09:22:39,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 689 transitions, 3344 flow. Second operand has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:39,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:39,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 321 [2025-02-06 09:22:39,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:40,824 INFO L124 PetriNetUnfolderBase]: 1777/6922 cut-off events. [2025-02-06 09:22:40,824 INFO L125 PetriNetUnfolderBase]: For 3172/3271 co-relation queries the response was YES. [2025-02-06 09:22:40,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16027 conditions, 6922 events. 1777/6922 cut-off events. For 3172/3271 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 48034 event pairs, 163 based on Foata normal form. 4/6621 useless extension candidates. Maximal degree in co-relation 15426. Up to 1392 conditions per place. [2025-02-06 09:22:40,865 INFO L140 encePairwiseOnDemand]: 312/321 looper letters, 26 selfloop transitions, 25 changer transitions 0/713 dead transitions. [2025-02-06 09:22:40,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 713 transitions, 3546 flow [2025-02-06 09:22:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 09:22:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-02-06 09:22:40,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6418 transitions. [2025-02-06 09:22:40,877 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9520842604954755 [2025-02-06 09:22:40,879 INFO L175 Difference]: Start difference. First operand has 359 places, 689 transitions, 3344 flow. Second operand 21 states and 6418 transitions. [2025-02-06 09:22:40,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 713 transitions, 3546 flow [2025-02-06 09:22:40,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 713 transitions, 3510 flow, removed 18 selfloop flow, removed 0 redundant places. [2025-02-06 09:22:40,909 INFO L231 Difference]: Finished difference. Result has 384 places, 702 transitions, 3452 flow [2025-02-06 09:22:40,910 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=3308, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3452, PETRI_PLACES=384, PETRI_TRANSITIONS=702} [2025-02-06 09:22:40,911 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 63 predicate places. [2025-02-06 09:22:40,911 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 702 transitions, 3452 flow [2025-02-06 09:22:40,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 305.0) internal successors, (5490), 18 states have internal predecessors, (5490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:40,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:40,914 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:40,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 09:22:41,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:22:41,119 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:41,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash -705424986, now seen corresponding path program 2 times [2025-02-06 09:22:41,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:41,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362511342] [2025-02-06 09:22:41,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:22:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:41,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 392 statements into 2 equivalence classes. [2025-02-06 09:22:41,180 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 105 of 392 statements. [2025-02-06 09:22:41,180 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 09:22:41,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2025-02-06 09:22:41,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:41,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362511342] [2025-02-06 09:22:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362511342] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:41,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:41,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:22:41,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243950683] [2025-02-06 09:22:41,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:41,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:22:41,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:41,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:22:41,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:22:41,623 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 321 [2025-02-06 09:22:41,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 702 transitions, 3452 flow. Second operand has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:41,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:41,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 321 [2025-02-06 09:22:41,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:44,818 INFO L124 PetriNetUnfolderBase]: 4263/14675 cut-off events. [2025-02-06 09:22:44,818 INFO L125 PetriNetUnfolderBase]: For 10453/10598 co-relation queries the response was YES. [2025-02-06 09:22:44,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37006 conditions, 14675 events. 4263/14675 cut-off events. For 10453/10598 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 119037 event pairs, 1677 based on Foata normal form. 0/13875 useless extension candidates. Maximal degree in co-relation 36312. Up to 6897 conditions per place. [2025-02-06 09:22:44,900 INFO L140 encePairwiseOnDemand]: 278/321 looper letters, 395 selfloop transitions, 170 changer transitions 0/871 dead transitions. [2025-02-06 09:22:44,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 871 transitions, 5360 flow [2025-02-06 09:22:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:22:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:22:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1684 transitions. [2025-02-06 09:22:44,905 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8743509865005192 [2025-02-06 09:22:44,905 INFO L175 Difference]: Start difference. First operand has 384 places, 702 transitions, 3452 flow. Second operand 6 states and 1684 transitions. [2025-02-06 09:22:44,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 871 transitions, 5360 flow [2025-02-06 09:22:44,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 871 transitions, 5334 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-02-06 09:22:44,953 INFO L231 Difference]: Finished difference. Result has 388 places, 863 transitions, 4976 flow [2025-02-06 09:22:44,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=640, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4976, PETRI_PLACES=388, PETRI_TRANSITIONS=863} [2025-02-06 09:22:44,957 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 67 predicate places. [2025-02-06 09:22:44,957 INFO L471 AbstractCegarLoop]: Abstraction has has 388 places, 863 transitions, 4976 flow [2025-02-06 09:22:44,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:44,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:44,958 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:44,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:22:44,958 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:44,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:44,959 INFO L85 PathProgramCache]: Analyzing trace with hash 369410306, now seen corresponding path program 1 times [2025-02-06 09:22:44,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:44,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176226933] [2025-02-06 09:22:44,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:44,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:45,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 400 statements into 1 equivalence classes. [2025-02-06 09:22:45,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 400 of 400 statements. [2025-02-06 09:22:45,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:45,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:45,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:45,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176226933] [2025-02-06 09:22:45,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176226933] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:22:45,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516213964] [2025-02-06 09:22:45,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:22:45,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:22:45,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:22:45,765 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:22:45,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 09:22:45,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 400 statements into 1 equivalence classes. [2025-02-06 09:22:46,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 400 of 400 statements. [2025-02-06 09:22:46,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:22:46,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:46,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 1413 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 09:22:46,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:22:46,301 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:46,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:22:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 868 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:22:46,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516213964] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:22:46,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:22:46,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-02-06 09:22:46,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088906560] [2025-02-06 09:22:46,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:22:46,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 09:22:46,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:46,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 09:22:46,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-02-06 09:22:46,928 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 321 [2025-02-06 09:22:46,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 388 places, 863 transitions, 4976 flow. Second operand has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:46,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:46,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 321 [2025-02-06 09:22:46,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:48,803 INFO L124 PetriNetUnfolderBase]: 2478/9371 cut-off events. [2025-02-06 09:22:48,803 INFO L125 PetriNetUnfolderBase]: For 7419/7565 co-relation queries the response was YES. [2025-02-06 09:22:48,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24560 conditions, 9371 events. 2478/9371 cut-off events. For 7419/7565 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 68668 event pairs, 229 based on Foata normal form. 3/9000 useless extension candidates. Maximal degree in co-relation 23696. Up to 2110 conditions per place. [2025-02-06 09:22:48,848 INFO L140 encePairwiseOnDemand]: 312/321 looper letters, 29 selfloop transitions, 34 changer transitions 0/886 dead transitions. [2025-02-06 09:22:48,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 886 transitions, 5236 flow [2025-02-06 09:22:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-02-06 09:22:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-02-06 09:22:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9156 transitions. [2025-02-06 09:22:48,857 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.950778816199377 [2025-02-06 09:22:48,857 INFO L175 Difference]: Start difference. First operand has 388 places, 863 transitions, 4976 flow. Second operand 30 states and 9156 transitions. [2025-02-06 09:22:48,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 886 transitions, 5236 flow [2025-02-06 09:22:48,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 886 transitions, 4900 flow, removed 168 selfloop flow, removed 0 redundant places. [2025-02-06 09:22:48,908 INFO L231 Difference]: Finished difference. Result has 421 places, 873 transitions, 4806 flow [2025-02-06 09:22:48,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=4640, PETRI_DIFFERENCE_MINUEND_PLACES=388, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=863, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=836, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=4806, PETRI_PLACES=421, PETRI_TRANSITIONS=873} [2025-02-06 09:22:48,908 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 100 predicate places. [2025-02-06 09:22:48,909 INFO L471 AbstractCegarLoop]: Abstraction has has 421 places, 873 transitions, 4806 flow [2025-02-06 09:22:48,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 305.2173913043478) internal successors, (7020), 23 states have internal predecessors, (7020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:48,910 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:48,911 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:48,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 09:22:49,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:22:49,111 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:49,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1826966770, now seen corresponding path program 2 times [2025-02-06 09:22:49,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:49,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832878449] [2025-02-06 09:22:49,113 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:22:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:49,175 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 523 statements into 2 equivalence classes. [2025-02-06 09:22:49,179 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 113 of 523 statements. [2025-02-06 09:22:49,179 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 09:22:49,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2025-02-06 09:22:49,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:49,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832878449] [2025-02-06 09:22:49,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832878449] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:49,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:49,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 09:22:49,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236806996] [2025-02-06 09:22:49,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:49,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 09:22:49,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:49,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 09:22:49,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 09:22:50,371 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 321 [2025-02-06 09:22:50,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 873 transitions, 4806 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:50,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:50,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 321 [2025-02-06 09:22:50,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:22:54,805 INFO L124 PetriNetUnfolderBase]: 4877/16068 cut-off events. [2025-02-06 09:22:54,805 INFO L125 PetriNetUnfolderBase]: For 17214/17649 co-relation queries the response was YES. [2025-02-06 09:22:54,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46677 conditions, 16068 events. 4877/16068 cut-off events. For 17214/17649 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 129288 event pairs, 1704 based on Foata normal form. 20/15366 useless extension candidates. Maximal degree in co-relation 45651. Up to 5419 conditions per place. [2025-02-06 09:22:54,890 INFO L140 encePairwiseOnDemand]: 273/321 looper letters, 591 selfloop transitions, 145 changer transitions 0/1041 dead transitions. [2025-02-06 09:22:54,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 1041 transitions, 7260 flow [2025-02-06 09:22:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 09:22:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-02-06 09:22:54,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 3080 transitions. [2025-02-06 09:22:54,895 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7995846313603323 [2025-02-06 09:22:54,895 INFO L175 Difference]: Start difference. First operand has 421 places, 873 transitions, 4806 flow. Second operand 12 states and 3080 transitions. [2025-02-06 09:22:54,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 1041 transitions, 7260 flow [2025-02-06 09:22:54,958 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 1041 transitions, 7212 flow, removed 5 selfloop flow, removed 18 redundant places. [2025-02-06 09:22:54,973 INFO L231 Difference]: Finished difference. Result has 419 places, 892 transitions, 5384 flow [2025-02-06 09:22:54,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=4758, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=873, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=732, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5384, PETRI_PLACES=419, PETRI_TRANSITIONS=892} [2025-02-06 09:22:54,976 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 98 predicate places. [2025-02-06 09:22:54,976 INFO L471 AbstractCegarLoop]: Abstraction has has 419 places, 892 transitions, 5384 flow [2025-02-06 09:22:54,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:54,977 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:22:54,978 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:22:54,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:22:54,978 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:22:54,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:22:54,979 INFO L85 PathProgramCache]: Analyzing trace with hash 583886118, now seen corresponding path program 3 times [2025-02-06 09:22:54,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:22:54,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868926420] [2025-02-06 09:22:54,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 09:22:54,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:22:55,113 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 523 statements into 11 equivalence classes. [2025-02-06 09:22:55,121 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 113 of 523 statements. [2025-02-06 09:22:55,121 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 09:22:55,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:22:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2025-02-06 09:22:55,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:22:55,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868926420] [2025-02-06 09:22:55,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868926420] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:22:55,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:22:55,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 09:22:55,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264150602] [2025-02-06 09:22:55,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:22:55,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 09:22:55,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:22:55,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 09:22:55,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 09:22:56,439 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 321 [2025-02-06 09:22:56,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 892 transitions, 5384 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:22:56,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:22:56,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 321 [2025-02-06 09:22:56,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:23:01,494 INFO L124 PetriNetUnfolderBase]: 5770/18258 cut-off events. [2025-02-06 09:23:01,494 INFO L125 PetriNetUnfolderBase]: For 24548/24746 co-relation queries the response was YES. [2025-02-06 09:23:01,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57797 conditions, 18258 events. 5770/18258 cut-off events. For 24548/24746 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 148398 event pairs, 1608 based on Foata normal form. 82/17663 useless extension candidates. Maximal degree in co-relation 56668. Up to 4534 conditions per place. [2025-02-06 09:23:01,579 INFO L140 encePairwiseOnDemand]: 280/321 looper letters, 868 selfloop transitions, 148 changer transitions 0/1321 dead transitions. [2025-02-06 09:23:01,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 441 places, 1321 transitions, 10834 flow [2025-02-06 09:23:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-06 09:23:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-02-06 09:23:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 5615 transitions. [2025-02-06 09:23:01,583 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7605309494785317 [2025-02-06 09:23:01,583 INFO L175 Difference]: Start difference. First operand has 419 places, 892 transitions, 5384 flow. Second operand 23 states and 5615 transitions. [2025-02-06 09:23:01,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 441 places, 1321 transitions, 10834 flow [2025-02-06 09:23:01,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 1321 transitions, 10620 flow, removed 1 selfloop flow, removed 6 redundant places. [2025-02-06 09:23:01,667 INFO L231 Difference]: Finished difference. Result has 452 places, 1021 transitions, 7048 flow [2025-02-06 09:23:01,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=5268, PETRI_DIFFERENCE_MINUEND_PLACES=413, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=892, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=786, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=7048, PETRI_PLACES=452, PETRI_TRANSITIONS=1021} [2025-02-06 09:23:01,668 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 131 predicate places. [2025-02-06 09:23:01,668 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 1021 transitions, 7048 flow [2025-02-06 09:23:01,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:23:01,669 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:23:01,670 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:23:01,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:23:01,670 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:23:01,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:23:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash -976836340, now seen corresponding path program 4 times [2025-02-06 09:23:01,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:23:01,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996843485] [2025-02-06 09:23:01,671 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 09:23:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:23:01,720 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 523 statements into 2 equivalence classes. [2025-02-06 09:23:01,759 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 456 of 523 statements. [2025-02-06 09:23:01,760 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-02-06 09:23:01,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:23:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2025-02-06 09:23:03,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:23:03,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996843485] [2025-02-06 09:23:03,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996843485] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:23:03,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:23:03,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 09:23:03,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685555035] [2025-02-06 09:23:03,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:23:03,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 09:23:03,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:23:03,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 09:23:03,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-06 09:23:04,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 321 [2025-02-06 09:23:04,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 1021 transitions, 7048 flow. Second operand has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:23:04,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:23:04,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 321 [2025-02-06 09:23:04,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:23:10,503 INFO L124 PetriNetUnfolderBase]: 5852/18503 cut-off events. [2025-02-06 09:23:10,503 INFO L125 PetriNetUnfolderBase]: For 34129/34575 co-relation queries the response was YES. [2025-02-06 09:23:10,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62796 conditions, 18503 events. 5852/18503 cut-off events. For 34129/34575 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 150536 event pairs, 1708 based on Foata normal form. 50/17821 useless extension candidates. Maximal degree in co-relation 61680. Up to 5461 conditions per place. [2025-02-06 09:23:10,636 INFO L140 encePairwiseOnDemand]: 273/321 looper letters, 661 selfloop transitions, 237 changer transitions 0/1203 dead transitions. [2025-02-06 09:23:10,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 1203 transitions, 10245 flow [2025-02-06 09:23:10,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 09:23:10,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-02-06 09:23:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3313 transitions. [2025-02-06 09:23:10,640 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7939132518571771 [2025-02-06 09:23:10,640 INFO L175 Difference]: Start difference. First operand has 452 places, 1021 transitions, 7048 flow. Second operand 13 states and 3313 transitions. [2025-02-06 09:23:10,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 1203 transitions, 10245 flow [2025-02-06 09:23:10,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1203 transitions, 10133 flow, removed 26 selfloop flow, removed 2 redundant places. [2025-02-06 09:23:10,853 INFO L231 Difference]: Finished difference. Result has 469 places, 1050 transitions, 8209 flow [2025-02-06 09:23:10,854 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=6982, PETRI_DIFFERENCE_MINUEND_PLACES=450, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=793, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8209, PETRI_PLACES=469, PETRI_TRANSITIONS=1050} [2025-02-06 09:23:10,858 INFO L279 CegarLoopForPetriNet]: 321 programPoint places, 148 predicate places. [2025-02-06 09:23:10,858 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 1050 transitions, 8209 flow [2025-02-06 09:23:10,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 232.0909090909091) internal successors, (2553), 11 states have internal predecessors, (2553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:23:10,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:23:10,859 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:23:10,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 09:23:10,859 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 22 more)] === [2025-02-06 09:23:10,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:23:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1870333652, now seen corresponding path program 5 times [2025-02-06 09:23:10,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:23:10,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141426992] [2025-02-06 09:23:10,866 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 09:23:10,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:23:10,922 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 523 statements into 11 equivalence classes. [2025-02-06 09:23:11,152 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 523 of 523 statements. [2025-02-06 09:23:11,155 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-02-06 09:23:11,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:23:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 19 proven. 152 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2025-02-06 09:23:13,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:23:13,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141426992] [2025-02-06 09:23:13,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141426992] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:23:13,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118466400] [2025-02-06 09:23:13,129 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 09:23:13,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:23:13,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:23:13,133 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 09:23:13,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 09:23:13,427 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 523 statements into 11 equivalence classes.