./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.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/28-race_reach_74-tricky_address1_racefree.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 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:26:23,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:26:23,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:26:23,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:26:23,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:26:23,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:26:23,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:26:23,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:26:23,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:26:23,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:26:23,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:26:23,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:26:23,760 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:26:23,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:26:23,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:26:23,760 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:26:23,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:26:23,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:26:23,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:26:23,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:26:23,762 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 -> 9a7db49c8892594e32a30fa9165fc3ad1a94911917cd8b63757bb8f24f04b536 [2025-02-06 09:26:23,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:26:23,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:26:23,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:26:23,996 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:26:23,996 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:26:23,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2025-02-06 09:26:25,167 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e1a6e5b54/85ca6d13a3cc4c38af12a6bcb9cd9e6d/FLAGeebe1d7ae [2025-02-06 09:26:25,490 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:26:25,491 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_74-tricky_address1_racefree.i [2025-02-06 09:26:25,507 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e1a6e5b54/85ca6d13a3cc4c38af12a6bcb9cd9e6d/FLAGeebe1d7ae [2025-02-06 09:26:25,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e1a6e5b54/85ca6d13a3cc4c38af12a6bcb9cd9e6d [2025-02-06 09:26:25,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:26:25,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:26:25,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:26:25,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:26:25,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:26:25,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:26:25" (1/1) ... [2025-02-06 09:26:25,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2e90f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:25, skipping insertion in model container [2025-02-06 09:26:25,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:26:25" (1/1) ... [2025-02-06 09:26:25,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:26:25,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:26:25,911 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:26:25,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:26:26,006 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:26:26,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26 WrapperNode [2025-02-06 09:26:26,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:26:26,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:26:26,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:26:26,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:26:26,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,051 INFO L138 Inliner]: procedures = 271, calls = 110, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 326 [2025-02-06 09:26:26,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:26:26,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:26:26,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:26:26,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:26:26,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:26:26,085 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:26:26,085 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:26:26,085 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:26:26,086 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (1/1) ... [2025-02-06 09:26:26,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:26:26,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:26:26,119 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 09:26:26,121 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 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:26:26,139 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-06 09:26:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-06 09:26:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:26:26,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:26:26,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:26:26,141 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 09:26:26,255 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:26:26,257 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:26:26,571 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L953: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2025-02-06 09:26:26,573 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L953-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2025-02-06 09:26:26,690 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:26:26,690 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:26:26,717 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:26:26,718 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:26:26,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:26:26 BoogieIcfgContainer [2025-02-06 09:26:26,718 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:26:26,720 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:26:26,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:26:26,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:26:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:26:25" (1/3) ... [2025-02-06 09:26:26,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c6ec27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:26:26, skipping insertion in model container [2025-02-06 09:26:26,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:26:26" (2/3) ... [2025-02-06 09:26:26,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c6ec27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:26:26, skipping insertion in model container [2025-02-06 09:26:26,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:26:26" (3/3) ... [2025-02-06 09:26:26,725 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_74-tricky_address1_racefree.i [2025-02-06 09:26:26,735 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:26:26,736 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_74-tricky_address1_racefree.i that has 2 procedures, 324 locations, 1 initial locations, 13 loop locations, and 12 error locations. [2025-02-06 09:26:26,736 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:26:26,819 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:26:26,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 327 places, 354 transitions, 715 flow [2025-02-06 09:26:26,950 INFO L124 PetriNetUnfolderBase]: 43/484 cut-off events. [2025-02-06 09:26:26,951 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:26:26,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 484 events. 43/484 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1734 event pairs, 0 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 249. Up to 8 conditions per place. [2025-02-06 09:26:26,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 327 places, 354 transitions, 715 flow [2025-02-06 09:26:26,973 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 354 transitions, 715 flow [2025-02-06 09:26:26,986 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:26:26,994 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;@2182590a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:26:26,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-02-06 09:26:27,018 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:26:27,018 INFO L124 PetriNetUnfolderBase]: 5/131 cut-off events. [2025-02-06 09:26:27,018 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:26:27,019 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:27,020 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] [2025-02-06 09:26:27,020 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:27,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1599176530, now seen corresponding path program 1 times [2025-02-06 09:26:27,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:27,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469436798] [2025-02-06 09:26:27,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:27,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:27,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 09:26:27,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 09:26:27,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:27,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:27,358 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 09:26:27,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:27,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469436798] [2025-02-06 09:26:27,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469436798] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:26:27,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:26:27,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:26:27,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569457188] [2025-02-06 09:26:27,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:26:27,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:26:27,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:27,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:26:27,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:26:27,402 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 354 [2025-02-06 09:26:27,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 354 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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 09:26:27,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:27,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 354 [2025-02-06 09:26:27,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:27,628 INFO L124 PetriNetUnfolderBase]: 85/1340 cut-off events. [2025-02-06 09:26:27,628 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:26:27,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1340 events. 85/1340 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 8582 event pairs, 72 based on Foata normal form. 247/1472 useless extension candidates. Maximal degree in co-relation 1277. Up to 178 conditions per place. [2025-02-06 09:26:27,635 INFO L140 encePairwiseOnDemand]: 325/354 looper letters, 23 selfloop transitions, 2 changer transitions 1/325 dead transitions. [2025-02-06 09:26:27,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 325 transitions, 707 flow [2025-02-06 09:26:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:26:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:26:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2025-02-06 09:26:27,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9020715630885122 [2025-02-06 09:26:27,656 INFO L175 Difference]: Start difference. First operand has 327 places, 354 transitions, 715 flow. Second operand 3 states and 958 transitions. [2025-02-06 09:26:27,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 325 transitions, 707 flow [2025-02-06 09:26:27,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 325 places, 325 transitions, 707 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:26:27,668 INFO L231 Difference]: Finished difference. Result has 326 places, 324 transitions, 665 flow [2025-02-06 09:26:27,670 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=655, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=665, PETRI_PLACES=326, PETRI_TRANSITIONS=324} [2025-02-06 09:26:27,674 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, -1 predicate places. [2025-02-06 09:26:27,674 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 324 transitions, 665 flow [2025-02-06 09:26:27,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 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 09:26:27,675 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:27,675 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] [2025-02-06 09:26:27,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:26:27,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:27,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:27,676 INFO L85 PathProgramCache]: Analyzing trace with hash 348431413, now seen corresponding path program 1 times [2025-02-06 09:26:27,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:27,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546799146] [2025-02-06 09:26:27,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:27,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:27,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 09:26:27,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 09:26:27,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:27,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:27,884 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 09:26:27,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:27,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546799146] [2025-02-06 09:26:27,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546799146] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:26:27,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767803743] [2025-02-06 09:26:27,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:27,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:27,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:26:27,887 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 09:26:27,888 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 09:26:27,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 09:26:27,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 09:26:27,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:27,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:27,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:26:27,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:26:28,040 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 09:26:28,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:26:28,077 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 09:26:28,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767803743] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:26:28,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:26:28,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 09:26:28,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518623088] [2025-02-06 09:26:28,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:26:28,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 09:26:28,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:28,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 09:26:28,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 09:26:28,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 354 [2025-02-06 09:26:28,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 324 transitions, 665 flow. Second operand has 10 states, 10 states have (on average 300.8) internal successors, (3008), 10 states have internal predecessors, (3008), 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 09:26:28,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:28,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 354 [2025-02-06 09:26:28,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:28,457 INFO L124 PetriNetUnfolderBase]: 85/1346 cut-off events. [2025-02-06 09:26:28,457 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-02-06 09:26:28,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1549 conditions, 1346 events. 85/1346 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8631 event pairs, 72 based on Foata normal form. 2/1234 useless extension candidates. Maximal degree in co-relation 1454. Up to 178 conditions per place. [2025-02-06 09:26:28,467 INFO L140 encePairwiseOnDemand]: 348/354 looper letters, 27 selfloop transitions, 9 changer transitions 0/332 dead transitions. [2025-02-06 09:26:28,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 332 transitions, 755 flow [2025-02-06 09:26:28,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 09:26:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-06 09:26:28,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2729 transitions. [2025-02-06 09:26:28,475 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8565599497802887 [2025-02-06 09:26:28,475 INFO L175 Difference]: Start difference. First operand has 326 places, 324 transitions, 665 flow. Second operand 9 states and 2729 transitions. [2025-02-06 09:26:28,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 332 transitions, 755 flow [2025-02-06 09:26:28,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 332 transitions, 753 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:26:28,480 INFO L231 Difference]: Finished difference. Result has 335 places, 330 transitions, 713 flow [2025-02-06 09:26:28,481 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=663, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=713, PETRI_PLACES=335, PETRI_TRANSITIONS=330} [2025-02-06 09:26:28,481 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, 8 predicate places. [2025-02-06 09:26:28,481 INFO L471 AbstractCegarLoop]: Abstraction has has 335 places, 330 transitions, 713 flow [2025-02-06 09:26:28,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 300.8) internal successors, (3008), 10 states have internal predecessors, (3008), 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 09:26:28,483 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:28,483 INFO L206 CegarLoopForPetriNet]: trace histogram [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] [2025-02-06 09:26:28,490 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 09:26:28,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:28,688 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:28,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1297827243, now seen corresponding path program 2 times [2025-02-06 09:26:28,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:28,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946457795] [2025-02-06 09:26:28,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:26:28,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:28,707 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-02-06 09:26:28,722 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 102 of 117 statements. [2025-02-06 09:26:28,723 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 09:26:28,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 09:26:29,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:29,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946457795] [2025-02-06 09:26:29,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946457795] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:26:29,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:26:29,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:26:29,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575651512] [2025-02-06 09:26:29,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:26:29,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:26:29,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:29,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:26:29,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:26:29,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 354 [2025-02-06 09:26:29,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 330 transitions, 713 flow. Second operand has 6 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 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 09:26:29,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:29,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 354 [2025-02-06 09:26:29,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:30,097 INFO L124 PetriNetUnfolderBase]: 1365/5308 cut-off events. [2025-02-06 09:26:30,098 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-02-06 09:26:30,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8109 conditions, 5308 events. 1365/5308 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 46579 event pairs, 925 based on Foata normal form. 0/4878 useless extension candidates. Maximal degree in co-relation 7985. Up to 2548 conditions per place. [2025-02-06 09:26:30,124 INFO L140 encePairwiseOnDemand]: 327/354 looper letters, 107 selfloop transitions, 86 changer transitions 0/447 dead transitions. [2025-02-06 09:26:30,124 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 447 transitions, 1333 flow [2025-02-06 09:26:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:26:30,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:26:30,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1694 transitions. [2025-02-06 09:26:30,129 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7975517890772128 [2025-02-06 09:26:30,129 INFO L175 Difference]: Start difference. First operand has 335 places, 330 transitions, 713 flow. Second operand 6 states and 1694 transitions. [2025-02-06 09:26:30,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 447 transitions, 1333 flow [2025-02-06 09:26:30,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 447 transitions, 1327 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-02-06 09:26:30,138 INFO L231 Difference]: Finished difference. Result has 344 places, 415 transitions, 1273 flow [2025-02-06 09:26:30,139 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1273, PETRI_PLACES=344, PETRI_TRANSITIONS=415} [2025-02-06 09:26:30,140 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, 17 predicate places. [2025-02-06 09:26:30,141 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 415 transitions, 1273 flow [2025-02-06 09:26:30,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 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 09:26:30,142 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:30,142 INFO L206 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1] [2025-02-06 09:26:30,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:26:30,142 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:30,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:30,144 INFO L85 PathProgramCache]: Analyzing trace with hash -292828726, now seen corresponding path program 1 times [2025-02-06 09:26:30,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:30,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999780603] [2025-02-06 09:26:30,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:30,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:30,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 09:26:30,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 09:26:30,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:30,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 09:26:30,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:30,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999780603] [2025-02-06 09:26:30,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999780603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:26:30,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:26:30,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:26:30,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884615466] [2025-02-06 09:26:30,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:26:30,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:26:30,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:30,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:26:30,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:26:30,260 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 354 [2025-02-06 09:26:30,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 415 transitions, 1273 flow. Second operand has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 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 09:26:30,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:30,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 354 [2025-02-06 09:26:30,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:30,528 INFO L124 PetriNetUnfolderBase]: 251/1998 cut-off events. [2025-02-06 09:26:30,528 INFO L125 PetriNetUnfolderBase]: For 152/177 co-relation queries the response was YES. [2025-02-06 09:26:30,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2892 conditions, 1998 events. 251/1998 cut-off events. For 152/177 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 15108 event pairs, 88 based on Foata normal form. 1/1840 useless extension candidates. Maximal degree in co-relation 2766. Up to 235 conditions per place. [2025-02-06 09:26:30,536 INFO L140 encePairwiseOnDemand]: 351/354 looper letters, 30 selfloop transitions, 3 changer transitions 0/423 dead transitions. [2025-02-06 09:26:30,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 423 transitions, 1355 flow [2025-02-06 09:26:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:26:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:26:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 939 transitions. [2025-02-06 09:26:30,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.884180790960452 [2025-02-06 09:26:30,539 INFO L175 Difference]: Start difference. First operand has 344 places, 415 transitions, 1273 flow. Second operand 3 states and 939 transitions. [2025-02-06 09:26:30,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 423 transitions, 1355 flow [2025-02-06 09:26:30,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 423 transitions, 1355 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:26:30,548 INFO L231 Difference]: Finished difference. Result has 347 places, 415 transitions, 1284 flow [2025-02-06 09:26:30,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=1273, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1284, PETRI_PLACES=347, PETRI_TRANSITIONS=415} [2025-02-06 09:26:30,550 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, 20 predicate places. [2025-02-06 09:26:30,550 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 415 transitions, 1284 flow [2025-02-06 09:26:30,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.0) internal successors, (912), 3 states have internal predecessors, (912), 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 09:26:30,551 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:30,551 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:30,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:26:30,551 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:30,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash 794140756, now seen corresponding path program 1 times [2025-02-06 09:26:30,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:30,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598832275] [2025-02-06 09:26:30,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:30,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-06 09:26:30,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-06 09:26:30,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:30,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:30,698 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:26:30,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:30,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598832275] [2025-02-06 09:26:30,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598832275] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:26:30,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2249431] [2025-02-06 09:26:30,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:30,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:30,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:26:30,703 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 09:26:30,706 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 09:26:30,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-06 09:26:30,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-06 09:26:30,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:30,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:30,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 09:26:30,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:26:30,843 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:26:30,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:26:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:26:30,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2249431] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:26:30,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:26:30,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-02-06 09:26:30,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665714334] [2025-02-06 09:26:30,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:26:30,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 09:26:30,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:30,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 09:26:30,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-06 09:26:30,956 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 354 [2025-02-06 09:26:30,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 415 transitions, 1284 flow. Second operand has 18 states, 18 states have (on average 300.94444444444446) internal successors, (5417), 18 states have internal predecessors, (5417), 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 09:26:30,960 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:30,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 354 [2025-02-06 09:26:30,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:31,387 INFO L124 PetriNetUnfolderBase]: 231/1983 cut-off events. [2025-02-06 09:26:31,387 INFO L125 PetriNetUnfolderBase]: For 140/161 co-relation queries the response was YES. [2025-02-06 09:26:31,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2905 conditions, 1983 events. 231/1983 cut-off events. For 140/161 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 14859 event pairs, 72 based on Foata normal form. 4/1843 useless extension candidates. Maximal degree in co-relation 2703. Up to 232 conditions per place. [2025-02-06 09:26:31,398 INFO L140 encePairwiseOnDemand]: 348/354 looper letters, 31 selfloop transitions, 21 changer transitions 0/433 dead transitions. [2025-02-06 09:26:31,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 433 transitions, 1476 flow [2025-02-06 09:26:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 09:26:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-02-06 09:26:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 6335 transitions. [2025-02-06 09:26:31,409 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.852165725047081 [2025-02-06 09:26:31,409 INFO L175 Difference]: Start difference. First operand has 347 places, 415 transitions, 1284 flow. Second operand 21 states and 6335 transitions. [2025-02-06 09:26:31,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 433 transitions, 1476 flow [2025-02-06 09:26:31,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 433 transitions, 1470 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:26:31,418 INFO L231 Difference]: Finished difference. Result has 370 places, 428 transitions, 1408 flow [2025-02-06 09:26:31,419 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=1278, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1408, PETRI_PLACES=370, PETRI_TRANSITIONS=428} [2025-02-06 09:26:31,419 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, 43 predicate places. [2025-02-06 09:26:31,419 INFO L471 AbstractCegarLoop]: Abstraction has has 370 places, 428 transitions, 1408 flow [2025-02-06 09:26:31,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 300.94444444444446) internal successors, (5417), 18 states have internal predecessors, (5417), 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 09:26:31,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:31,422 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:31,429 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 09:26:31,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:31,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:31,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1654907924, now seen corresponding path program 2 times [2025-02-06 09:26:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:31,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860369159] [2025-02-06 09:26:31,628 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:26:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:31,646 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 152 statements into 2 equivalence classes. [2025-02-06 09:26:31,671 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-02-06 09:26:31,673 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 09:26:31,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:31,993 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:26:31,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860369159] [2025-02-06 09:26:31,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860369159] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:26:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011480612] [2025-02-06 09:26:31,994 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:26:31,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:31,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:26:31,996 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 09:26:31,998 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 09:26:32,057 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 152 statements into 2 equivalence classes. [2025-02-06 09:26:32,102 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-02-06 09:26:32,102 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 09:26:32,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:32,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 09:26:32,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:26:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:26:32,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:26:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:26:32,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011480612] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:26:32,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:26:32,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-02-06 09:26:32,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305738432] [2025-02-06 09:26:32,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:26:32,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 09:26:32,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:32,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 09:26:32,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-02-06 09:26:32,409 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 299 out of 354 [2025-02-06 09:26:32,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 428 transitions, 1408 flow. Second operand has 23 states, 23 states have (on average 301.04347826086956) internal successors, (6924), 23 states have internal predecessors, (6924), 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 09:26:32,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:32,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 299 of 354 [2025-02-06 09:26:32,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:32,914 INFO L124 PetriNetUnfolderBase]: 231/1998 cut-off events. [2025-02-06 09:26:32,915 INFO L125 PetriNetUnfolderBase]: For 241/262 co-relation queries the response was YES. [2025-02-06 09:26:32,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3005 conditions, 1998 events. 231/1998 cut-off events. For 241/262 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 14816 event pairs, 72 based on Foata normal form. 3/1857 useless extension candidates. Maximal degree in co-relation 2703. Up to 232 conditions per place. [2025-02-06 09:26:32,928 INFO L140 encePairwiseOnDemand]: 348/354 looper letters, 34 selfloop transitions, 30 changer transitions 0/445 dead transitions. [2025-02-06 09:26:32,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 445 transitions, 1664 flow [2025-02-06 09:26:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-02-06 09:26:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-02-06 09:26:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 9037 transitions. [2025-02-06 09:26:32,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8509416195856874 [2025-02-06 09:26:32,940 INFO L175 Difference]: Start difference. First operand has 370 places, 428 transitions, 1408 flow. Second operand 30 states and 9037 transitions. [2025-02-06 09:26:32,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 445 transitions, 1664 flow [2025-02-06 09:26:32,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 445 transitions, 1634 flow, removed 9 selfloop flow, removed 6 redundant places. [2025-02-06 09:26:32,949 INFO L231 Difference]: Finished difference. Result has 397 places, 438 transitions, 1536 flow [2025-02-06 09:26:32,950 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=354, PETRI_DIFFERENCE_MINUEND_FLOW=1384, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1536, PETRI_PLACES=397, PETRI_TRANSITIONS=438} [2025-02-06 09:26:32,951 INFO L279 CegarLoopForPetriNet]: 327 programPoint places, 70 predicate places. [2025-02-06 09:26:32,951 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 438 transitions, 1536 flow [2025-02-06 09:26:32,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 301.04347826086956) internal successors, (6924), 23 states have internal predecessors, (6924), 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 09:26:32,953 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:32,953 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:26:32,961 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 09:26:33,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:33,153 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2025-02-06 09:26:33,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:33,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1974712407, now seen corresponding path program 3 times [2025-02-06 09:26:33,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:33,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561489196] [2025-02-06 09:26:33,154 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 09:26:33,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:33,167 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 167 statements into 11 equivalence classes. [2025-02-06 09:26:33,232 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 167 of 167 statements. [2025-02-06 09:26:33,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 09:26:33,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:26:33,232 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:26:33,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-02-06 09:26:33,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-02-06 09:26:33,258 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:33,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:26:33,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:26:33,283 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:26:33,284 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 18 remaining) [2025-02-06 09:26:33,285 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2025-02-06 09:26:33,285 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2025-02-06 09:26:33,286 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2025-02-06 09:26:33,287 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2025-02-06 09:26:33,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:26:33,287 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2025-02-06 09:26:33,290 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:26:33,290 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:26:33,333 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:26:33,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 472 transitions, 960 flow [2025-02-06 09:26:33,413 INFO L124 PetriNetUnfolderBase]: 72/759 cut-off events. [2025-02-06 09:26:33,413 INFO L125 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-02-06 09:26:33,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 759 events. 72/759 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3485 event pairs, 0 based on Foata normal form. 0/651 useless extension candidates. Maximal degree in co-relation 486. Up to 12 conditions per place. [2025-02-06 09:26:33,421 INFO L82 GeneralOperation]: Start removeDead. Operand has 432 places, 472 transitions, 960 flow [2025-02-06 09:26:33,429 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 432 places, 472 transitions, 960 flow [2025-02-06 09:26:33,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:26:33,432 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;@2182590a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:26:33,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-02-06 09:26:33,438 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:26:33,438 INFO L124 PetriNetUnfolderBase]: 5/131 cut-off events. [2025-02-06 09:26:33,438 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:26:33,438 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:33,438 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] [2025-02-06 09:26:33,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:26:33,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:33,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1065025618, now seen corresponding path program 1 times [2025-02-06 09:26:33,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:33,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485116390] [2025-02-06 09:26:33,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:33,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:33,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 09:26:33,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 09:26:33,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:33,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:33,484 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 09:26:33,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:33,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485116390] [2025-02-06 09:26:33,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485116390] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:26:33,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:26:33,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:26:33,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420610725] [2025-02-06 09:26:33,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:26:33,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:26:33,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:33,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:26:33,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:26:33,496 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 472 [2025-02-06 09:26:33,497 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 472 transitions, 960 flow. Second operand has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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 09:26:33,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:33,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 472 [2025-02-06 09:26:33,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:34,837 INFO L124 PetriNetUnfolderBase]: 1580/11970 cut-off events. [2025-02-06 09:26:34,838 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2025-02-06 09:26:34,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14431 conditions, 11970 events. 1580/11970 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 143335 event pairs, 1464 based on Foata normal form. 3592/14659 useless extension candidates. Maximal degree in co-relation 12745. Up to 2408 conditions per place. [2025-02-06 09:26:34,899 INFO L140 encePairwiseOnDemand]: 430/472 looper letters, 33 selfloop transitions, 2 changer transitions 1/428 dead transitions. [2025-02-06 09:26:34,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 428 transitions, 942 flow [2025-02-06 09:26:34,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:26:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:26:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1263 transitions. [2025-02-06 09:26:34,902 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8919491525423728 [2025-02-06 09:26:34,902 INFO L175 Difference]: Start difference. First operand has 432 places, 472 transitions, 960 flow. Second operand 3 states and 1263 transitions. [2025-02-06 09:26:34,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 428 transitions, 942 flow [2025-02-06 09:26:34,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 428 transitions, 942 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:26:34,907 INFO L231 Difference]: Finished difference. Result has 429 places, 427 transitions, 880 flow [2025-02-06 09:26:34,907 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=429, PETRI_TRANSITIONS=427} [2025-02-06 09:26:34,908 INFO L279 CegarLoopForPetriNet]: 432 programPoint places, -3 predicate places. [2025-02-06 09:26:34,908 INFO L471 AbstractCegarLoop]: Abstraction has has 429 places, 427 transitions, 880 flow [2025-02-06 09:26:34,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.3333333333333) internal successors, (1192), 3 states have internal predecessors, (1192), 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 09:26:34,908 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:34,908 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] [2025-02-06 09:26:34,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 09:26:34,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:26:34,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:34,909 INFO L85 PathProgramCache]: Analyzing trace with hash 574410509, now seen corresponding path program 1 times [2025-02-06 09:26:34,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:34,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259490302] [2025-02-06 09:26:34,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:34,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 09:26:34,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 09:26:34,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:34,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:34,964 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 09:26:34,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:34,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259490302] [2025-02-06 09:26:34,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259490302] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:26:34,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078581710] [2025-02-06 09:26:34,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:26:34,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:26:34,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:26:34,970 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 09:26:34,972 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 09:26:35,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 09:26:35,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 09:26:35,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:26:35,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:35,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 09:26:35,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:26:35,062 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 09:26:35,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:26:35,083 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 09:26:35,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078581710] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:26:35,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:26:35,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 09:26:35,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241175572] [2025-02-06 09:26:35,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:26:35,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 09:26:35,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:35,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 09:26:35,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 09:26:35,100 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 472 [2025-02-06 09:26:35,102 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 427 transitions, 880 flow. Second operand has 10 states, 10 states have (on average 394.8) internal successors, (3948), 10 states have internal predecessors, (3948), 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 09:26:35,102 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:35,102 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 472 [2025-02-06 09:26:35,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:36,767 INFO L124 PetriNetUnfolderBase]: 1580/11976 cut-off events. [2025-02-06 09:26:36,767 INFO L125 PetriNetUnfolderBase]: For 90/90 co-relation queries the response was YES. [2025-02-06 09:26:36,795 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14456 conditions, 11976 events. 1580/11976 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 143322 event pairs, 1464 based on Foata normal form. 2/11076 useless extension candidates. Maximal degree in co-relation 14360. Up to 2408 conditions per place. [2025-02-06 09:26:36,823 INFO L140 encePairwiseOnDemand]: 466/472 looper letters, 37 selfloop transitions, 9 changer transitions 0/435 dead transitions. [2025-02-06 09:26:36,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 435 transitions, 990 flow [2025-02-06 09:26:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 09:26:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-06 09:26:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3585 transitions. [2025-02-06 09:26:36,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8439265536723164 [2025-02-06 09:26:36,829 INFO L175 Difference]: Start difference. First operand has 429 places, 427 transitions, 880 flow. Second operand 9 states and 3585 transitions. [2025-02-06 09:26:36,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 435 transitions, 990 flow [2025-02-06 09:26:36,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 435 transitions, 988 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 09:26:36,834 INFO L231 Difference]: Finished difference. Result has 438 places, 433 transitions, 928 flow [2025-02-06 09:26:36,834 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=427, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=928, PETRI_PLACES=438, PETRI_TRANSITIONS=433} [2025-02-06 09:26:36,835 INFO L279 CegarLoopForPetriNet]: 432 programPoint places, 6 predicate places. [2025-02-06 09:26:36,835 INFO L471 AbstractCegarLoop]: Abstraction has has 438 places, 433 transitions, 928 flow [2025-02-06 09:26:36,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 394.8) internal successors, (3948), 10 states have internal predecessors, (3948), 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 09:26:36,836 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:26:36,836 INFO L206 CegarLoopForPetriNet]: trace histogram [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] [2025-02-06 09:26:36,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 09:26:37,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-02-06 09:26:37,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:26:37,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:26:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash -2048074195, now seen corresponding path program 2 times [2025-02-06 09:26:37,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:26:37,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428376971] [2025-02-06 09:26:37,042 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 09:26:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:26:37,051 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-02-06 09:26:37,057 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 102 of 117 statements. [2025-02-06 09:26:37,058 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 09:26:37,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:26:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 09:26:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:26:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428376971] [2025-02-06 09:26:37,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428376971] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:26:37,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:26:37,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:26:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43841728] [2025-02-06 09:26:37,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:26:37,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:26:37,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:26:37,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:26:37,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:26:37,581 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 472 [2025-02-06 09:26:37,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 433 transitions, 928 flow. Second operand has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 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 09:26:37,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:26:37,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 472 [2025-02-06 09:26:37,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:26:59,498 INFO L124 PetriNetUnfolderBase]: 83047/201943 cut-off events. [2025-02-06 09:26:59,498 INFO L125 PetriNetUnfolderBase]: For 1130/1130 co-relation queries the response was YES. [2025-02-06 09:27:00,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326906 conditions, 201943 events. 83047/201943 cut-off events. For 1130/1130 co-relation queries the response was YES. Maximal size of possible extension queue 3850. Compared 2718823 event pairs, 61992 based on Foata normal form. 0/187304 useless extension candidates. Maximal degree in co-relation 326781. Up to 116835 conditions per place. [2025-02-06 09:27:00,710 INFO L140 encePairwiseOnDemand]: 425/472 looper letters, 170 selfloop transitions, 166 changer transitions 0/663 dead transitions. [2025-02-06 09:27:00,710 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 663 transitions, 2065 flow [2025-02-06 09:27:00,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:27:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:27:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2281 transitions. [2025-02-06 09:27:00,715 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8054378531073446 [2025-02-06 09:27:00,716 INFO L175 Difference]: Start difference. First operand has 438 places, 433 transitions, 928 flow. Second operand 6 states and 2281 transitions. [2025-02-06 09:27:00,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 663 transitions, 2065 flow [2025-02-06 09:27:00,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 663 transitions, 2059 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-02-06 09:27:00,736 INFO L231 Difference]: Finished difference. Result has 447 places, 598 transitions, 2008 flow [2025-02-06 09:27:00,737 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=437, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=387, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2008, PETRI_PLACES=447, PETRI_TRANSITIONS=598} [2025-02-06 09:27:00,738 INFO L279 CegarLoopForPetriNet]: 432 programPoint places, 15 predicate places. [2025-02-06 09:27:00,738 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 598 transitions, 2008 flow [2025-02-06 09:27:00,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 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 09:27:00,739 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:27:00,740 INFO L206 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1] [2025-02-06 09:27:00,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 09:27:00,740 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:27:00,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:27:00,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1842752566, now seen corresponding path program 1 times [2025-02-06 09:27:00,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:27:00,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130124808] [2025-02-06 09:27:00,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:27:00,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:27:00,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 09:27:00,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 09:27:00,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:27:00,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:27:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 09:27:00,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:27:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130124808] [2025-02-06 09:27:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130124808] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:27:00,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:27:00,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:27:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534515941] [2025-02-06 09:27:00,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:27:00,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:27:00,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:27:00,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:27:00,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:27:00,823 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 396 out of 472 [2025-02-06 09:27:00,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 598 transitions, 2008 flow. Second operand has 3 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 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 09:27:00,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:27:00,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 396 of 472 [2025-02-06 09:27:00,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:27:07,973 INFO L124 PetriNetUnfolderBase]: 14852/57685 cut-off events. [2025-02-06 09:27:07,974 INFO L125 PetriNetUnfolderBase]: For 6468/7131 co-relation queries the response was YES. [2025-02-06 09:27:08,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92427 conditions, 57685 events. 14852/57685 cut-off events. For 6468/7131 co-relation queries the response was YES. Maximal size of possible extension queue 1134. Compared 779319 event pairs, 6640 based on Foata normal form. 1/52818 useless extension candidates. Maximal degree in co-relation 92300. Up to 13320 conditions per place. [2025-02-06 09:27:08,355 INFO L140 encePairwiseOnDemand]: 469/472 looper letters, 42 selfloop transitions, 3 changer transitions 0/608 dead transitions. [2025-02-06 09:27:08,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 608 transitions, 2124 flow [2025-02-06 09:27:08,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:27:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:27:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2025-02-06 09:27:08,357 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8700564971751412 [2025-02-06 09:27:08,357 INFO L175 Difference]: Start difference. First operand has 447 places, 598 transitions, 2008 flow. Second operand 3 states and 1232 transitions. [2025-02-06 09:27:08,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 608 transitions, 2124 flow [2025-02-06 09:27:08,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 608 transitions, 2124 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:27:08,439 INFO L231 Difference]: Finished difference. Result has 450 places, 600 transitions, 2033 flow [2025-02-06 09:27:08,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=472, PETRI_DIFFERENCE_MINUEND_FLOW=2008, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=598, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=595, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2033, PETRI_PLACES=450, PETRI_TRANSITIONS=600} [2025-02-06 09:27:08,440 INFO L279 CegarLoopForPetriNet]: 432 programPoint places, 18 predicate places. [2025-02-06 09:27:08,440 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 600 transitions, 2033 flow [2025-02-06 09:27:08,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 398.0) internal successors, (1194), 3 states have internal predecessors, (1194), 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 09:27:08,440 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:27:08,440 INFO L206 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:27:08,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 09:27:08,441 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-02-06 09:27:08,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:27:08,441 INFO L85 PathProgramCache]: Analyzing trace with hash -710673235, now seen corresponding path program 1 times [2025-02-06 09:27:08,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:27:08,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708263017] [2025-02-06 09:27:08,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:27:08,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:27:08,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 09:27:08,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 09:27:08,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:27:08,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:27:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 09:27:08,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:27:08,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708263017] [2025-02-06 09:27:08,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708263017] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:27:08,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:27:08,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:27:08,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753145694] [2025-02-06 09:27:08,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:27:08,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 09:27:08,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:27:08,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 09:27:08,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 09:27:08,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 472 [2025-02-06 09:27:08,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 600 transitions, 2033 flow. Second operand has 5 states, 5 states have (on average 396.0) internal successors, (1980), 5 states have internal predecessors, (1980), 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 09:27:08,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:27:08,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 472 [2025-02-06 09:27:08,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand