./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:26:36,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:26:36,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:26:36,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:26:36,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:26:36,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:26:36,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:26:36,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:26:36,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:26:36,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:26:36,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:26:36,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:26:36,697 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:26:36,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:26:36,698 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:26:36,699 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:26:36,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:26:36,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:26:36,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:26:36,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:26:36,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:26:36,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:26:36,701 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/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 -> 99f794c04b6feffb38c1e5c415a278bf34dda5287d389b184a9a7d818ab0b70e [2025-04-30 10:26:36,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:26:36,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:26:36,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:26:36,934 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:26:36,935 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:26:36,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2025-04-30 10:26:38,170 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4913d9ed1/4dcc84a22e334b99a06a1631fe48895e/FLAG65496d4a3 [2025-04-30 10:26:38,432 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:26:38,433 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2025-04-30 10:26:38,446 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4913d9ed1/4dcc84a22e334b99a06a1631fe48895e/FLAG65496d4a3 [2025-04-30 10:26:39,371 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4913d9ed1/4dcc84a22e334b99a06a1631fe48895e [2025-04-30 10:26:39,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:26:39,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:26:39,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:26:39,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:26:39,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:26:39,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adf86e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39, skipping insertion in model container [2025-04-30 10:26:39,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:26:39,745 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:26:39,773 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:26:39,817 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:26:39,860 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:26:39,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39 WrapperNode [2025-04-30 10:26:39,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:26:39,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:26:39,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:26:39,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:26:39,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,900 INFO L138 Inliner]: procedures = 265, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 148 [2025-04-30 10:26:39,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:26:39,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:26:39,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:26:39,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:26:39,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,922 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:26:39,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:26:39,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:26:39,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:26:39,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (1/1) ... [2025-04-30 10:26:39,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:26:39,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:26:39,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-30 10:26:39,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-30 10:26:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-30 10:26:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-30 10:26:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:26:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:26:39,994 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:26:40,082 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:26:40,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:26:40,371 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:26:40,371 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:26:40,386 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:26:40,387 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:26:40,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:26:40 BoogieIcfgContainer [2025-04-30 10:26:40,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:26:40,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:26:40,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:26:40,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:26:40,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:26:39" (1/3) ... [2025-04-30 10:26:40,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aabe373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:26:40, skipping insertion in model container [2025-04-30 10:26:40,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:26:39" (2/3) ... [2025-04-30 10:26:40,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aabe373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:26:40, skipping insertion in model container [2025-04-30 10:26:40,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:26:40" (3/3) ... [2025-04-30 10:26:40,394 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2025-04-30 10:26:40,404 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:26:40,405 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_06-tricky_address1.i that has 2 procedures, 158 locations, 159 edges, 1 initial locations, 1 loop locations, and 4 error locations. [2025-04-30 10:26:40,406 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:26:40,457 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-30 10:26:40,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 160 transitions, 324 flow [2025-04-30 10:26:40,562 INFO L116 PetriNetUnfolderBase]: 3/159 cut-off events. [2025-04-30 10:26:40,565 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:26:40,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 159 events. 3/159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/152 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2025-04-30 10:26:40,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 160 transitions, 324 flow [2025-04-30 10:26:40,576 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 160 places, 159 transitions, 321 flow [2025-04-30 10:26:40,585 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:26:40,594 INFO L340 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;@7dbce17c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:26:40,595 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-30 10:26:40,620 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:26:40,620 INFO L116 PetriNetUnfolderBase]: 3/112 cut-off events. [2025-04-30 10:26:40,620 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:26:40,621 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:40,621 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] [2025-04-30 10:26:40,621 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:40,625 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:40,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1264436240, now seen corresponding path program 1 times [2025-04-30 10:26:40,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:40,631 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205814438] [2025-04-30 10:26:40,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:40,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-04-30 10:26:40,750 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-04-30 10:26:40,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:40,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:40,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:40,978 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205814438] [2025-04-30 10:26:40,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205814438] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:26:40,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:26:40,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-30 10:26:40,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225355307] [2025-04-30 10:26:40,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:26:40,986 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:26:40,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:41,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:26:41,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:26:41,028 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 160 [2025-04-30 10:26:41,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 159 transitions, 321 flow. Second operand has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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) [2025-04-30 10:26:41,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:41,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 160 [2025-04-30 10:26:41,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:41,092 INFO L116 PetriNetUnfolderBase]: 7/221 cut-off events. [2025-04-30 10:26:41,092 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:26:41,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 221 events. 7/221 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 319 event pairs, 6 based on Foata normal form. 5/214 useless extension candidates. Maximal degree in co-relation 144. Up to 24 conditions per place. [2025-04-30 10:26:41,095 INFO L140 encePairwiseOnDemand]: 155/160 looper letters, 10 selfloop transitions, 2 changer transitions 1/158 dead transitions. [2025-04-30 10:26:41,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 158 transitions, 343 flow [2025-04-30 10:26:41,096 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:26:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:26:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2025-04-30 10:26:41,107 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.95 [2025-04-30 10:26:41,108 INFO L175 Difference]: Start difference. First operand has 160 places, 159 transitions, 321 flow. Second operand 3 states and 456 transitions. [2025-04-30 10:26:41,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 158 transitions, 343 flow [2025-04-30 10:26:41,112 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 158 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-30 10:26:41,117 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 326 flow [2025-04-30 10:26:41,120 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2025-04-30 10:26:41,123 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 2 predicate places. [2025-04-30 10:26:41,123 INFO L485 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 326 flow [2025-04-30 10:26:41,123 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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) [2025-04-30 10:26:41,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:41,125 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] [2025-04-30 10:26:41,125 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:26:41,126 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:41,126 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:41,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1259896308, now seen corresponding path program 1 times [2025-04-30 10:26:41,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:41,126 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241162452] [2025-04-30 10:26:41,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:41,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:41,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-04-30 10:26:41,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-04-30 10:26:41,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:41,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:41,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:41,319 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241162452] [2025-04-30 10:26:41,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241162452] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-30 10:26:41,319 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385514119] [2025-04-30 10:26:41,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:41,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:26:41,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:26:41,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-30 10:26:41,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-30 10:26:41,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-04-30 10:26:41,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-04-30 10:26:41,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:41,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:41,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-30 10:26:41,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:26:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:41,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-30 10:26:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:41,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385514119] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-30 10:26:41,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-30 10:26:41,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-04-30 10:26:41,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123187897] [2025-04-30 10:26:41,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-30 10:26:41,508 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-30 10:26:41,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:41,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-30 10:26:41,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-04-30 10:26:41,534 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 160 [2025-04-30 10:26:41,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 326 flow. Second operand has 10 states, 10 states have (on average 146.0) internal successors, (1460), 10 states have internal predecessors, (1460), 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) [2025-04-30 10:26:41,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:41,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 160 [2025-04-30 10:26:41,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:41,671 INFO L116 PetriNetUnfolderBase]: 7/227 cut-off events. [2025-04-30 10:26:41,671 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:26:41,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 227 events. 7/227 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 314 event pairs, 6 based on Foata normal form. 2/218 useless extension candidates. Maximal degree in co-relation 191. Up to 24 conditions per place. [2025-04-30 10:26:41,672 INFO L140 encePairwiseOnDemand]: 154/160 looper letters, 14 selfloop transitions, 9 changer transitions 0/165 dead transitions. [2025-04-30 10:26:41,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 390 flow [2025-04-30 10:26:41,673 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-30 10:26:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-04-30 10:26:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1321 transitions. [2025-04-30 10:26:41,679 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9173611111111111 [2025-04-30 10:26:41,679 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 326 flow. Second operand 9 states and 1321 transitions. [2025-04-30 10:26:41,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 390 flow [2025-04-30 10:26:41,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 165 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-30 10:26:41,682 INFO L231 Difference]: Finished difference. Result has 171 places, 163 transitions, 374 flow [2025-04-30 10:26:41,683 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=374, PETRI_PLACES=171, PETRI_TRANSITIONS=163} [2025-04-30 10:26:41,684 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 11 predicate places. [2025-04-30 10:26:41,684 INFO L485 AbstractCegarLoop]: Abstraction has has 171 places, 163 transitions, 374 flow [2025-04-30 10:26:41,685 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 146.0) internal successors, (1460), 10 states have internal predecessors, (1460), 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) [2025-04-30 10:26:41,685 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:41,685 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] [2025-04-30 10:26:41,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-04-30 10:26:41,887 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:26:41,888 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:41,888 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1162936180, now seen corresponding path program 2 times [2025-04-30 10:26:41,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:41,889 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862126825] [2025-04-30 10:26:41,889 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-30 10:26:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:41,907 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-04-30 10:26:41,918 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 94 of 109 statements. [2025-04-30 10:26:41,918 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-30 10:26:41,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-04-30 10:26:42,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:42,443 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862126825] [2025-04-30 10:26:42,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862126825] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:26:42,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:26:42,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-30 10:26:42,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915987159] [2025-04-30 10:26:42,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:26:42,444 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:26:42,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:42,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:26:42,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:26:42,897 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 160 [2025-04-30 10:26:42,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 163 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 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) [2025-04-30 10:26:42,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:42,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 160 [2025-04-30 10:26:42,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:43,067 INFO L116 PetriNetUnfolderBase]: 103/540 cut-off events. [2025-04-30 10:26:43,068 INFO L117 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-04-30 10:26:43,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 540 events. 103/540 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2324 event pairs, 40 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 693. Up to 184 conditions per place. [2025-04-30 10:26:43,073 INFO L140 encePairwiseOnDemand]: 149/160 looper letters, 31 selfloop transitions, 22 changer transitions 0/192 dead transitions. [2025-04-30 10:26:43,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 192 transitions, 538 flow [2025-04-30 10:26:43,073 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-30 10:26:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-04-30 10:26:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 858 transitions. [2025-04-30 10:26:43,075 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.89375 [2025-04-30 10:26:43,075 INFO L175 Difference]: Start difference. First operand has 171 places, 163 transitions, 374 flow. Second operand 6 states and 858 transitions. [2025-04-30 10:26:43,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 192 transitions, 538 flow [2025-04-30 10:26:43,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 192 transitions, 532 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-04-30 10:26:43,080 INFO L231 Difference]: Finished difference. Result has 180 places, 184 transitions, 518 flow [2025-04-30 10:26:43,080 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=518, PETRI_PLACES=180, PETRI_TRANSITIONS=184} [2025-04-30 10:26:43,081 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 20 predicate places. [2025-04-30 10:26:43,081 INFO L485 AbstractCegarLoop]: Abstraction has has 180 places, 184 transitions, 518 flow [2025-04-30 10:26:43,081 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 135.66666666666666) internal successors, (814), 6 states have internal predecessors, (814), 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) [2025-04-30 10:26:43,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:43,082 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] [2025-04-30 10:26:43,082 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:26:43,082 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:43,083 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:43,083 INFO L85 PathProgramCache]: Analyzing trace with hash -731497224, now seen corresponding path program 1 times [2025-04-30 10:26:43,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:43,083 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132328084] [2025-04-30 10:26:43,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:43,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:43,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-30 10:26:43,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-30 10:26:43,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:43,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:43,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:43,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132328084] [2025-04-30 10:26:43,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132328084] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-30 10:26:43,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739404794] [2025-04-30 10:26:43,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:43,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:26:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:26:43,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-30 10:26:43,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-30 10:26:43,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-04-30 10:26:43,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-04-30 10:26:43,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:43,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:43,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-30 10:26:43,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:26:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:43,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-30 10:26:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739404794] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-30 10:26:43,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-30 10:26:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-04-30 10:26:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628953524] [2025-04-30 10:26:43,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-30 10:26:43,486 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-30 10:26:43,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:43,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-30 10:26:43,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-04-30 10:26:43,517 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 160 [2025-04-30 10:26:43,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 184 transitions, 518 flow. Second operand has 18 states, 18 states have (on average 146.0) internal successors, (2628), 18 states have internal predecessors, (2628), 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) [2025-04-30 10:26:43,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:43,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 160 [2025-04-30 10:26:43,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:43,706 INFO L116 PetriNetUnfolderBase]: 38/396 cut-off events. [2025-04-30 10:26:43,706 INFO L117 PetriNetUnfolderBase]: For 57/62 co-relation queries the response was YES. [2025-04-30 10:26:43,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 396 events. 38/396 cut-off events. For 57/62 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1194 event pairs, 11 based on Foata normal form. 4/384 useless extension candidates. Maximal degree in co-relation 482. Up to 51 conditions per place. [2025-04-30 10:26:43,708 INFO L140 encePairwiseOnDemand]: 154/160 looper letters, 18 selfloop transitions, 21 changer transitions 0/202 dead transitions. [2025-04-30 10:26:43,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 202 transitions, 684 flow [2025-04-30 10:26:43,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-30 10:26:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-04-30 10:26:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3067 transitions. [2025-04-30 10:26:43,712 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.912797619047619 [2025-04-30 10:26:43,712 INFO L175 Difference]: Start difference. First operand has 180 places, 184 transitions, 518 flow. Second operand 21 states and 3067 transitions. [2025-04-30 10:26:43,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 202 transitions, 684 flow [2025-04-30 10:26:43,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 202 transitions, 684 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-04-30 10:26:43,716 INFO L231 Difference]: Finished difference. Result has 205 places, 197 transitions, 648 flow [2025-04-30 10:26:43,717 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=648, PETRI_PLACES=205, PETRI_TRANSITIONS=197} [2025-04-30 10:26:43,717 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 45 predicate places. [2025-04-30 10:26:43,717 INFO L485 AbstractCegarLoop]: Abstraction has has 205 places, 197 transitions, 648 flow [2025-04-30 10:26:43,718 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 146.0) internal successors, (2628), 18 states have internal predecessors, (2628), 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) [2025-04-30 10:26:43,719 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:43,719 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:26:43,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-30 10:26:43,923 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-04-30 10:26:43,923 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:43,924 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1735121400, now seen corresponding path program 2 times [2025-04-30 10:26:43,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:43,924 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258304858] [2025-04-30 10:26:43,924 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-30 10:26:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:43,936 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 137 statements into 2 equivalence classes. [2025-04-30 10:26:43,941 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 102 of 137 statements. [2025-04-30 10:26:43,941 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-30 10:26:43,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-30 10:26:44,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:44,232 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258304858] [2025-04-30 10:26:44,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258304858] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:26:44,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:26:44,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-30 10:26:44,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675894141] [2025-04-30 10:26:44,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:26:44,233 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:26:44,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:44,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:26:44,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:26:44,535 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 160 [2025-04-30 10:26:44,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 197 transitions, 648 flow. Second operand has 6 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 states have internal predecessors, (784), 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) [2025-04-30 10:26:44,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:44,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 160 [2025-04-30 10:26:44,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:44,737 INFO L116 PetriNetUnfolderBase]: 223/892 cut-off events. [2025-04-30 10:26:44,737 INFO L117 PetriNetUnfolderBase]: For 189/195 co-relation queries the response was YES. [2025-04-30 10:26:44,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1763 conditions, 892 events. 223/892 cut-off events. For 189/195 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4695 event pairs, 82 based on Foata normal form. 5/839 useless extension candidates. Maximal degree in co-relation 1566. Up to 407 conditions per place. [2025-04-30 10:26:44,742 INFO L140 encePairwiseOnDemand]: 145/160 looper letters, 53 selfloop transitions, 39 changer transitions 5/242 dead transitions. [2025-04-30 10:26:44,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 242 transitions, 962 flow [2025-04-30 10:26:44,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-30 10:26:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-04-30 10:26:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 844 transitions. [2025-04-30 10:26:44,745 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8791666666666667 [2025-04-30 10:26:44,745 INFO L175 Difference]: Start difference. First operand has 205 places, 197 transitions, 648 flow. Second operand 6 states and 844 transitions. [2025-04-30 10:26:44,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 242 transitions, 962 flow [2025-04-30 10:26:44,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 242 transitions, 938 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-04-30 10:26:44,751 INFO L231 Difference]: Finished difference. Result has 209 places, 233 transitions, 912 flow [2025-04-30 10:26:44,752 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=624, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=912, PETRI_PLACES=209, PETRI_TRANSITIONS=233} [2025-04-30 10:26:44,752 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 49 predicate places. [2025-04-30 10:26:44,752 INFO L485 AbstractCegarLoop]: Abstraction has has 209 places, 233 transitions, 912 flow [2025-04-30 10:26:44,753 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 states have internal predecessors, (784), 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) [2025-04-30 10:26:44,753 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:44,753 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:26:44,753 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-30 10:26:44,753 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:44,754 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:44,754 INFO L85 PathProgramCache]: Analyzing trace with hash -2131672241, now seen corresponding path program 1 times [2025-04-30 10:26:44,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:44,754 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468760758] [2025-04-30 10:26:44,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:44,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:44,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-30 10:26:44,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-30 10:26:44,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:44,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:45,024 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:45,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:45,024 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468760758] [2025-04-30 10:26:45,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468760758] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-30 10:26:45,024 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429624508] [2025-04-30 10:26:45,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:45,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:26:45,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:26:45,027 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-30 10:26:45,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-30 10:26:45,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-30 10:26:45,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-30 10:26:45,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:45,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:45,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-30 10:26:45,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:26:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:45,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-30 10:26:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:26:45,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429624508] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-30 10:26:45,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-30 10:26:45,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-04-30 10:26:45,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353330900] [2025-04-30 10:26:45,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-30 10:26:45,353 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-30 10:26:45,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:45,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-30 10:26:45,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-04-30 10:26:45,378 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 160 [2025-04-30 10:26:45,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 233 transitions, 912 flow. Second operand has 23 states, 23 states have (on average 146.08695652173913) internal successors, (3360), 23 states have internal predecessors, (3360), 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) [2025-04-30 10:26:45,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:45,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 160 [2025-04-30 10:26:45,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:45,697 INFO L116 PetriNetUnfolderBase]: 117/655 cut-off events. [2025-04-30 10:26:45,697 INFO L117 PetriNetUnfolderBase]: For 315/320 co-relation queries the response was YES. [2025-04-30 10:26:45,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1391 conditions, 655 events. 117/655 cut-off events. For 315/320 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2899 event pairs, 15 based on Foata normal form. 3/630 useless extension candidates. Maximal degree in co-relation 1115. Up to 118 conditions per place. [2025-04-30 10:26:45,701 INFO L140 encePairwiseOnDemand]: 154/160 looper letters, 21 selfloop transitions, 30 changer transitions 0/250 dead transitions. [2025-04-30 10:26:45,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 250 transitions, 1136 flow [2025-04-30 10:26:45,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-30 10:26:45,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-04-30 10:26:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4374 transitions. [2025-04-30 10:26:45,708 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.91125 [2025-04-30 10:26:45,708 INFO L175 Difference]: Start difference. First operand has 209 places, 233 transitions, 912 flow. Second operand 30 states and 4374 transitions. [2025-04-30 10:26:45,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 250 transitions, 1136 flow [2025-04-30 10:26:45,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 250 transitions, 1104 flow, removed 16 selfloop flow, removed 0 redundant places. [2025-04-30 10:26:45,714 INFO L231 Difference]: Finished difference. Result has 241 places, 243 transitions, 1032 flow [2025-04-30 10:26:45,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1032, PETRI_PLACES=241, PETRI_TRANSITIONS=243} [2025-04-30 10:26:45,715 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 81 predicate places. [2025-04-30 10:26:45,715 INFO L485 AbstractCegarLoop]: Abstraction has has 241 places, 243 transitions, 1032 flow [2025-04-30 10:26:45,716 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 146.08695652173913) internal successors, (3360), 23 states have internal predecessors, (3360), 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) [2025-04-30 10:26:45,716 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:45,716 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:26:45,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-30 10:26:45,917 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:26:45,918 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:45,918 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:45,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1806519347, now seen corresponding path program 2 times [2025-04-30 10:26:45,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:45,919 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143879423] [2025-04-30 10:26:45,919 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-30 10:26:45,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:45,929 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-04-30 10:26:45,933 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 104 of 154 statements. [2025-04-30 10:26:45,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-30 10:26:45,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-30 10:26:46,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:46,151 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143879423] [2025-04-30 10:26:46,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143879423] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:26:46,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:26:46,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-30 10:26:46,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460511876] [2025-04-30 10:26:46,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:26:46,152 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:26:46,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:46,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:26:46,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:26:46,234 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 160 [2025-04-30 10:26:46,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 243 transitions, 1032 flow. Second operand has 6 states, 6 states have (on average 138.33333333333334) internal successors, (830), 6 states have internal predecessors, (830), 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) [2025-04-30 10:26:46,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:46,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 160 [2025-04-30 10:26:46,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:46,419 INFO L116 PetriNetUnfolderBase]: 212/925 cut-off events. [2025-04-30 10:26:46,420 INFO L117 PetriNetUnfolderBase]: For 588/632 co-relation queries the response was YES. [2025-04-30 10:26:46,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2185 conditions, 925 events. 212/925 cut-off events. For 588/632 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 4936 event pairs, 40 based on Foata normal form. 1/908 useless extension candidates. Maximal degree in co-relation 1908. Up to 338 conditions per place. [2025-04-30 10:26:46,424 INFO L140 encePairwiseOnDemand]: 149/160 looper letters, 72 selfloop transitions, 40 changer transitions 0/282 dead transitions. [2025-04-30 10:26:46,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 282 transitions, 1440 flow [2025-04-30 10:26:46,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-30 10:26:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-04-30 10:26:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 873 transitions. [2025-04-30 10:26:46,426 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.909375 [2025-04-30 10:26:46,426 INFO L175 Difference]: Start difference. First operand has 241 places, 243 transitions, 1032 flow. Second operand 6 states and 873 transitions. [2025-04-30 10:26:46,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 282 transitions, 1440 flow [2025-04-30 10:26:46,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 282 transitions, 1394 flow, removed 5 selfloop flow, removed 18 redundant places. [2025-04-30 10:26:46,432 INFO L231 Difference]: Finished difference. Result has 233 places, 274 transitions, 1354 flow [2025-04-30 10:26:46,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1354, PETRI_PLACES=233, PETRI_TRANSITIONS=274} [2025-04-30 10:26:46,433 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 73 predicate places. [2025-04-30 10:26:46,433 INFO L485 AbstractCegarLoop]: Abstraction has has 233 places, 274 transitions, 1354 flow [2025-04-30 10:26:46,433 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.33333333333334) internal successors, (830), 6 states have internal predecessors, (830), 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) [2025-04-30 10:26:46,433 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:46,433 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:26:46,433 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-30 10:26:46,433 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:46,434 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:46,434 INFO L85 PathProgramCache]: Analyzing trace with hash -651159112, now seen corresponding path program 1 times [2025-04-30 10:26:46,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:46,434 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664035482] [2025-04-30 10:26:46,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:46,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:46,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-04-30 10:26:46,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-04-30 10:26:46,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:46,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:46,765 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-30 10:26:46,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:46,765 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664035482] [2025-04-30 10:26:46,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664035482] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:26:46,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:26:46,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-30 10:26:46,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187125330] [2025-04-30 10:26:46,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:26:46,766 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:26:46,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:46,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:26:46,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:26:46,847 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 160 [2025-04-30 10:26:46,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 274 transitions, 1354 flow. Second operand has 6 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 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) [2025-04-30 10:26:46,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:26:46,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 160 [2025-04-30 10:26:46,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:26:47,096 INFO L116 PetriNetUnfolderBase]: 361/1326 cut-off events. [2025-04-30 10:26:47,096 INFO L117 PetriNetUnfolderBase]: For 1511/1539 co-relation queries the response was YES. [2025-04-30 10:26:47,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3665 conditions, 1326 events. 361/1326 cut-off events. For 1511/1539 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 7974 event pairs, 87 based on Foata normal form. 2/1292 useless extension candidates. Maximal degree in co-relation 3405. Up to 610 conditions per place. [2025-04-30 10:26:47,105 INFO L140 encePairwiseOnDemand]: 145/160 looper letters, 100 selfloop transitions, 64 changer transitions 10/335 dead transitions. [2025-04-30 10:26:47,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 335 transitions, 2042 flow [2025-04-30 10:26:47,106 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-30 10:26:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-04-30 10:26:47,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 859 transitions. [2025-04-30 10:26:47,108 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8947916666666667 [2025-04-30 10:26:47,108 INFO L175 Difference]: Start difference. First operand has 233 places, 274 transitions, 1354 flow. Second operand 6 states and 859 transitions. [2025-04-30 10:26:47,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 335 transitions, 2042 flow [2025-04-30 10:26:47,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 335 transitions, 2024 flow, removed 9 selfloop flow, removed 0 redundant places. [2025-04-30 10:26:47,122 INFO L231 Difference]: Finished difference. Result has 243 places, 321 transitions, 1922 flow [2025-04-30 10:26:47,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1922, PETRI_PLACES=243, PETRI_TRANSITIONS=321} [2025-04-30 10:26:47,123 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 83 predicate places. [2025-04-30 10:26:47,124 INFO L485 AbstractCegarLoop]: Abstraction has has 243 places, 321 transitions, 1922 flow [2025-04-30 10:26:47,125 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.33333333333334) internal successors, (800), 6 states have internal predecessors, (800), 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) [2025-04-30 10:26:47,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:26:47,125 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:26:47,125 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-30 10:26:47,125 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:26:47,126 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:26:47,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1229549893, now seen corresponding path program 1 times [2025-04-30 10:26:47,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:26:47,126 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077786073] [2025-04-30 10:26:47,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:26:47,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:26:47,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-30 10:26:47,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-30 10:26:47,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:26:47,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:26:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-30 10:26:57,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:26:57,331 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077786073] [2025-04-30 10:26:57,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077786073] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:26:57,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:26:57,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2025-04-30 10:26:57,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327018479] [2025-04-30 10:26:57,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:26:57,332 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-30 10:26:57,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:26:57,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-30 10:26:57,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2025-04-30 10:27:00,235 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 160 [2025-04-30 10:27:00,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 321 transitions, 1922 flow. Second operand has 17 states, 17 states have (on average 113.94117647058823) internal successors, (1937), 17 states have internal predecessors, (1937), 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) [2025-04-30 10:27:00,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:00,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 160 [2025-04-30 10:27:00,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:01,748 INFO L116 PetriNetUnfolderBase]: 566/1804 cut-off events. [2025-04-30 10:27:01,749 INFO L117 PetriNetUnfolderBase]: For 3459/3538 co-relation queries the response was YES. [2025-04-30 10:27:01,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5866 conditions, 1804 events. 566/1804 cut-off events. For 3459/3538 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 11287 event pairs, 32 based on Foata normal form. 37/1829 useless extension candidates. Maximal degree in co-relation 5589. Up to 562 conditions per place. [2025-04-30 10:27:01,763 INFO L140 encePairwiseOnDemand]: 130/160 looper letters, 227 selfloop transitions, 87 changer transitions 73/530 dead transitions. [2025-04-30 10:27:01,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 530 transitions, 4108 flow [2025-04-30 10:27:01,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-30 10:27:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-04-30 10:27:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2892 transitions. [2025-04-30 10:27:01,768 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.753125 [2025-04-30 10:27:01,769 INFO L175 Difference]: Start difference. First operand has 243 places, 321 transitions, 1922 flow. Second operand 24 states and 2892 transitions. [2025-04-30 10:27:01,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 530 transitions, 4108 flow [2025-04-30 10:27:01,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 530 transitions, 4022 flow, removed 43 selfloop flow, removed 0 redundant places. [2025-04-30 10:27:01,790 INFO L231 Difference]: Finished difference. Result has 274 places, 358 transitions, 2488 flow [2025-04-30 10:27:01,791 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=1848, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=2488, PETRI_PLACES=274, PETRI_TRANSITIONS=358} [2025-04-30 10:27:01,791 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 114 predicate places. [2025-04-30 10:27:01,791 INFO L485 AbstractCegarLoop]: Abstraction has has 274 places, 358 transitions, 2488 flow [2025-04-30 10:27:01,792 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 113.94117647058823) internal successors, (1937), 17 states have internal predecessors, (1937), 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) [2025-04-30 10:27:01,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:01,792 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:01,792 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-30 10:27:01,792 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:01,793 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1778251159, now seen corresponding path program 2 times [2025-04-30 10:27:01,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:01,793 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617344538] [2025-04-30 10:27:01,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-30 10:27:01,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:01,803 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-04-30 10:27:01,845 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 118 of 168 statements. [2025-04-30 10:27:01,845 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-30 10:27:01,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-30 10:27:04,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:04,776 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617344538] [2025-04-30 10:27:04,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617344538] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:27:04,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:27:04,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-04-30 10:27:04,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060201816] [2025-04-30 10:27:04,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:04,777 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-30 10:27:04,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:04,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-30 10:27:04,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-04-30 10:27:06,707 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 160 [2025-04-30 10:27:06,708 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 358 transitions, 2488 flow. Second operand has 13 states, 13 states have (on average 120.0) internal successors, (1560), 13 states have internal predecessors, (1560), 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) [2025-04-30 10:27:06,708 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:06,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 160 [2025-04-30 10:27:06,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:07,570 INFO L116 PetriNetUnfolderBase]: 456/1552 cut-off events. [2025-04-30 10:27:07,571 INFO L117 PetriNetUnfolderBase]: For 4342/4464 co-relation queries the response was YES. [2025-04-30 10:27:07,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5962 conditions, 1552 events. 456/1552 cut-off events. For 4342/4464 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 9631 event pairs, 80 based on Foata normal form. 63/1598 useless extension candidates. Maximal degree in co-relation 5675. Up to 662 conditions per place. [2025-04-30 10:27:07,580 INFO L140 encePairwiseOnDemand]: 134/160 looper letters, 174 selfloop transitions, 89 changer transitions 32/441 dead transitions. [2025-04-30 10:27:07,580 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 441 transitions, 3707 flow [2025-04-30 10:27:07,580 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-30 10:27:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2025-04-30 10:27:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1786 transitions. [2025-04-30 10:27:07,581 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.7973214285714286 [2025-04-30 10:27:07,582 INFO L175 Difference]: Start difference. First operand has 274 places, 358 transitions, 2488 flow. Second operand 14 states and 1786 transitions. [2025-04-30 10:27:07,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 441 transitions, 3707 flow [2025-04-30 10:27:07,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 273 places, 441 transitions, 3661 flow, removed 12 selfloop flow, removed 9 redundant places. [2025-04-30 10:27:07,605 INFO L231 Difference]: Finished difference. Result has 276 places, 362 transitions, 2698 flow [2025-04-30 10:27:07,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=2447, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2698, PETRI_PLACES=276, PETRI_TRANSITIONS=362} [2025-04-30 10:27:07,606 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 116 predicate places. [2025-04-30 10:27:07,606 INFO L485 AbstractCegarLoop]: Abstraction has has 276 places, 362 transitions, 2698 flow [2025-04-30 10:27:07,607 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 120.0) internal successors, (1560), 13 states have internal predecessors, (1560), 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) [2025-04-30 10:27:07,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:07,607 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:07,607 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-30 10:27:07,607 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:07,608 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:07,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1287278003, now seen corresponding path program 3 times [2025-04-30 10:27:07,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:07,608 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517296850] [2025-04-30 10:27:07,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-30 10:27:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:07,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 168 statements into 11 equivalence classes. [2025-04-30 10:27:07,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 118 of 168 statements. [2025-04-30 10:27:07,624 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-30 10:27:07,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2025-04-30 10:27:08,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:08,051 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517296850] [2025-04-30 10:27:08,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517296850] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:27:08,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:27:08,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-30 10:27:08,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899003742] [2025-04-30 10:27:08,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:08,052 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-30 10:27:08,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:08,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-30 10:27:08,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-04-30 10:27:08,927 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 160 [2025-04-30 10:27:08,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 362 transitions, 2698 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2025-04-30 10:27:08,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:08,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 160 [2025-04-30 10:27:08,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:09,535 INFO L116 PetriNetUnfolderBase]: 780/2434 cut-off events. [2025-04-30 10:27:09,535 INFO L117 PetriNetUnfolderBase]: For 9532/9671 co-relation queries the response was YES. [2025-04-30 10:27:09,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10410 conditions, 2434 events. 780/2434 cut-off events. For 9532/9671 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 17675 event pairs, 58 based on Foata normal form. 59/2460 useless extension candidates. Maximal degree in co-relation 10120. Up to 632 conditions per place. [2025-04-30 10:27:09,552 INFO L140 encePairwiseOnDemand]: 142/160 looper letters, 348 selfloop transitions, 95 changer transitions 12/611 dead transitions. [2025-04-30 10:27:09,552 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 611 transitions, 6201 flow [2025-04-30 10:27:09,554 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-30 10:27:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-04-30 10:27:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1509 transitions. [2025-04-30 10:27:09,555 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8573863636363637 [2025-04-30 10:27:09,555 INFO L175 Difference]: Start difference. First operand has 276 places, 362 transitions, 2698 flow. Second operand 11 states and 1509 transitions. [2025-04-30 10:27:09,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 611 transitions, 6201 flow [2025-04-30 10:27:09,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 611 transitions, 6039 flow, removed 2 selfloop flow, removed 9 redundant places. [2025-04-30 10:27:09,591 INFO L231 Difference]: Finished difference. Result has 284 places, 442 transitions, 4094 flow [2025-04-30 10:27:09,591 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=2616, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4094, PETRI_PLACES=284, PETRI_TRANSITIONS=442} [2025-04-30 10:27:09,591 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 124 predicate places. [2025-04-30 10:27:09,591 INFO L485 AbstractCegarLoop]: Abstraction has has 284 places, 442 transitions, 4094 flow [2025-04-30 10:27:09,592 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2025-04-30 10:27:09,592 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:09,592 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:09,592 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-30 10:27:09,592 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:09,593 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1171562897, now seen corresponding path program 4 times [2025-04-30 10:27:09,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:09,593 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480248354] [2025-04-30 10:27:09,593 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-30 10:27:09,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:09,602 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 168 statements into 2 equivalence classes. [2025-04-30 10:27:09,623 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-04-30 10:27:09,623 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-30 10:27:09,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2025-04-30 10:27:10,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:10,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480248354] [2025-04-30 10:27:10,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480248354] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:27:10,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:27:10,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-04-30 10:27:10,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314461914] [2025-04-30 10:27:10,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:10,516 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-30 10:27:10,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:10,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-30 10:27:10,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2025-04-30 10:27:11,925 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 160 [2025-04-30 10:27:11,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 442 transitions, 4094 flow. Second operand has 15 states, 15 states have (on average 120.8) internal successors, (1812), 15 states have internal predecessors, (1812), 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) [2025-04-30 10:27:11,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:11,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 160 [2025-04-30 10:27:11,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:12,825 INFO L116 PetriNetUnfolderBase]: 860/2732 cut-off events. [2025-04-30 10:27:12,825 INFO L117 PetriNetUnfolderBase]: For 13610/13738 co-relation queries the response was YES. [2025-04-30 10:27:12,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11980 conditions, 2732 events. 860/2732 cut-off events. For 13610/13738 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 20228 event pairs, 73 based on Foata normal form. 48/2755 useless extension candidates. Maximal degree in co-relation 11683. Up to 658 conditions per place. [2025-04-30 10:27:12,842 INFO L140 encePairwiseOnDemand]: 135/160 looper letters, 406 selfloop transitions, 115 changer transitions 21/691 dead transitions. [2025-04-30 10:27:12,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 691 transitions, 7540 flow [2025-04-30 10:27:12,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-30 10:27:12,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-04-30 10:27:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2108 transitions. [2025-04-30 10:27:12,844 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8234375 [2025-04-30 10:27:12,844 INFO L175 Difference]: Start difference. First operand has 284 places, 442 transitions, 4094 flow. Second operand 16 states and 2108 transitions. [2025-04-30 10:27:12,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 691 transitions, 7540 flow [2025-04-30 10:27:12,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 691 transitions, 7492 flow, removed 24 selfloop flow, removed 0 redundant places. [2025-04-30 10:27:12,885 INFO L231 Difference]: Finished difference. Result has 305 places, 472 transitions, 4855 flow [2025-04-30 10:27:12,885 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=4046, PETRI_DIFFERENCE_MINUEND_PLACES=284, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=85, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4855, PETRI_PLACES=305, PETRI_TRANSITIONS=472} [2025-04-30 10:27:12,886 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 145 predicate places. [2025-04-30 10:27:12,886 INFO L485 AbstractCegarLoop]: Abstraction has has 305 places, 472 transitions, 4855 flow [2025-04-30 10:27:12,886 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 120.8) internal successors, (1812), 15 states have internal predecessors, (1812), 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) [2025-04-30 10:27:12,886 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:12,887 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:12,887 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-04-30 10:27:12,887 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:12,887 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:12,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1517793535, now seen corresponding path program 5 times [2025-04-30 10:27:12,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:12,887 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993914045] [2025-04-30 10:27:12,887 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-30 10:27:12,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:12,896 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 168 statements into 11 equivalence classes. [2025-04-30 10:27:12,910 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 168 of 168 statements. [2025-04-30 10:27:12,910 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-04-30 10:27:12,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2025-04-30 10:27:13,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:13,384 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993914045] [2025-04-30 10:27:13,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993914045] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:27:13,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:27:13,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-30 10:27:13,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000277559] [2025-04-30 10:27:13,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:13,385 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-30 10:27:13,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:13,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-30 10:27:13,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-04-30 10:27:14,211 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 160 [2025-04-30 10:27:14,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 472 transitions, 4855 flow. Second operand has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 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) [2025-04-30 10:27:14,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:14,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 160 [2025-04-30 10:27:14,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:14,935 INFO L116 PetriNetUnfolderBase]: 860/2685 cut-off events. [2025-04-30 10:27:14,936 INFO L117 PetriNetUnfolderBase]: For 16698/16900 co-relation queries the response was YES. [2025-04-30 10:27:14,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12876 conditions, 2685 events. 860/2685 cut-off events. For 16698/16900 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 20089 event pairs, 146 based on Foata normal form. 105/2759 useless extension candidates. Maximal degree in co-relation 12571. Up to 1231 conditions per place. [2025-04-30 10:27:14,956 INFO L140 encePairwiseOnDemand]: 140/160 looper letters, 213 selfloop transitions, 161 changer transitions 19/545 dead transitions. [2025-04-30 10:27:14,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 545 transitions, 6383 flow [2025-04-30 10:27:14,957 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-30 10:27:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-04-30 10:27:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1615 transitions. [2025-04-30 10:27:14,958 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8411458333333334 [2025-04-30 10:27:14,958 INFO L175 Difference]: Start difference. First operand has 305 places, 472 transitions, 4855 flow. Second operand 12 states and 1615 transitions. [2025-04-30 10:27:14,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 545 transitions, 6383 flow [2025-04-30 10:27:15,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 545 transitions, 6225 flow, removed 69 selfloop flow, removed 7 redundant places. [2025-04-30 10:27:15,020 INFO L231 Difference]: Finished difference. Result has 314 places, 483 transitions, 5254 flow [2025-04-30 10:27:15,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=4700, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=472, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=5254, PETRI_PLACES=314, PETRI_TRANSITIONS=483} [2025-04-30 10:27:15,021 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 154 predicate places. [2025-04-30 10:27:15,021 INFO L485 AbstractCegarLoop]: Abstraction has has 314 places, 483 transitions, 5254 flow [2025-04-30 10:27:15,021 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 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) [2025-04-30 10:27:15,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:15,022 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:15,022 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-30 10:27:15,022 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:15,023 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:15,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1611319655, now seen corresponding path program 6 times [2025-04-30 10:27:15,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:15,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509714520] [2025-04-30 10:27:15,023 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-30 10:27:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:15,032 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 168 statements into 11 equivalence classes. [2025-04-30 10:27:15,038 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 116 of 168 statements. [2025-04-30 10:27:15,038 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-30 10:27:15,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2025-04-30 10:27:15,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:15,475 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509714520] [2025-04-30 10:27:15,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509714520] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:27:15,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:27:15,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-30 10:27:15,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023280700] [2025-04-30 10:27:15,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:15,476 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-30 10:27:15,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:15,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-30 10:27:15,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-04-30 10:27:16,184 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 160 [2025-04-30 10:27:16,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 483 transitions, 5254 flow. Second operand has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2025-04-30 10:27:16,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:16,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 160 [2025-04-30 10:27:16,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:16,887 INFO L116 PetriNetUnfolderBase]: 784/2568 cut-off events. [2025-04-30 10:27:16,887 INFO L117 PetriNetUnfolderBase]: For 18108/18255 co-relation queries the response was YES. [2025-04-30 10:27:16,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12675 conditions, 2568 events. 784/2568 cut-off events. For 18108/18255 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 19359 event pairs, 56 based on Foata normal form. 66/2602 useless extension candidates. Maximal degree in co-relation 12435. Up to 622 conditions per place. [2025-04-30 10:27:16,907 INFO L140 encePairwiseOnDemand]: 141/160 looper letters, 383 selfloop transitions, 109 changer transitions 17/665 dead transitions. [2025-04-30 10:27:16,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 665 transitions, 8104 flow [2025-04-30 10:27:16,911 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-30 10:27:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-04-30 10:27:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1527 transitions. [2025-04-30 10:27:16,912 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8676136363636363 [2025-04-30 10:27:16,912 INFO L175 Difference]: Start difference. First operand has 314 places, 483 transitions, 5254 flow. Second operand 11 states and 1527 transitions. [2025-04-30 10:27:16,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 665 transitions, 8104 flow [2025-04-30 10:27:16,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 665 transitions, 7749 flow, removed 30 selfloop flow, removed 5 redundant places. [2025-04-30 10:27:16,984 INFO L231 Difference]: Finished difference. Result has 324 places, 505 transitions, 5609 flow [2025-04-30 10:27:16,985 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=4955, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=483, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=5609, PETRI_PLACES=324, PETRI_TRANSITIONS=505} [2025-04-30 10:27:16,985 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 164 predicate places. [2025-04-30 10:27:16,985 INFO L485 AbstractCegarLoop]: Abstraction has has 324 places, 505 transitions, 5609 flow [2025-04-30 10:27:16,986 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 128.0) internal successors, (1280), 10 states have internal predecessors, (1280), 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) [2025-04-30 10:27:16,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:16,986 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:16,986 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-04-30 10:27:16,986 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:16,987 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:16,987 INFO L85 PathProgramCache]: Analyzing trace with hash -262123885, now seen corresponding path program 7 times [2025-04-30 10:27:16,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:16,987 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730932688] [2025-04-30 10:27:16,987 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-30 10:27:16,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:16,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-30 10:27:17,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-30 10:27:17,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:27:17,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2025-04-30 10:27:24,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:24,482 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730932688] [2025-04-30 10:27:24,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730932688] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-30 10:27:24,482 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174773059] [2025-04-30 10:27:24,482 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-30 10:27:24,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-30 10:27:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:27:24,484 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-30 10:27:24,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-30 10:27:24,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-30 10:27:24,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-30 10:27:24,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:27:24,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:24,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-04-30 10:27:24,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-30 10:27:24,858 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2025-04-30 10:27:24,891 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2025-04-30 10:27:24,928 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2025-04-30 10:27:25,158 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2025-04-30 10:27:25,241 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 57 [2025-04-30 10:27:25,334 INFO L325 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2025-04-30 10:27:25,334 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2025-04-30 10:27:25,475 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-30 10:27:25,476 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-30 10:27:25,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-30 10:27:25,479 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-30 10:27:25,481 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-30 10:27:25,481 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60 [2025-04-30 10:27:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-04-30 10:27:25,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-30 10:27:26,397 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2025-04-30 10:27:26,444 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2025-04-30 10:27:26,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174773059] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-30 10:27:26,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-30 10:27:26,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15, 25] total 47 [2025-04-30 10:27:26,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683232008] [2025-04-30 10:27:26,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:26,445 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-30 10:27:26,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:26,445 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-30 10:27:26,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=2049, Unknown=0, NotChecked=0, Total=2256 [2025-04-30 10:27:31,271 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 160 [2025-04-30 10:27:31,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 505 transitions, 5609 flow. Second operand has 11 states, 11 states have (on average 126.9090909090909) internal successors, (1396), 11 states have internal predecessors, (1396), 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) [2025-04-30 10:27:31,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:31,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 160 [2025-04-30 10:27:31,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:33,442 INFO L116 PetriNetUnfolderBase]: 865/2806 cut-off events. [2025-04-30 10:27:33,443 INFO L117 PetriNetUnfolderBase]: For 22003/22161 co-relation queries the response was YES. [2025-04-30 10:27:33,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14223 conditions, 2806 events. 865/2806 cut-off events. For 22003/22161 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 21465 event pairs, 77 based on Foata normal form. 87/2863 useless extension candidates. Maximal degree in co-relation 14086. Up to 1089 conditions per place. [2025-04-30 10:27:33,460 INFO L140 encePairwiseOnDemand]: 134/160 looper letters, 227 selfloop transitions, 240 changer transitions 12/634 dead transitions. [2025-04-30 10:27:33,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 634 transitions, 8357 flow [2025-04-30 10:27:33,461 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-30 10:27:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2025-04-30 10:27:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2133 transitions. [2025-04-30 10:27:33,463 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.833203125 [2025-04-30 10:27:33,463 INFO L175 Difference]: Start difference. First operand has 324 places, 505 transitions, 5609 flow. Second operand 16 states and 2133 transitions. [2025-04-30 10:27:33,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 634 transitions, 8357 flow [2025-04-30 10:27:33,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 634 transitions, 8191 flow, removed 56 selfloop flow, removed 3 redundant places. [2025-04-30 10:27:33,548 INFO L231 Difference]: Finished difference. Result has 343 places, 574 transitions, 7288 flow [2025-04-30 10:27:33,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=5505, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=505, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=174, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=7288, PETRI_PLACES=343, PETRI_TRANSITIONS=574} [2025-04-30 10:27:33,549 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 183 predicate places. [2025-04-30 10:27:33,550 INFO L485 AbstractCegarLoop]: Abstraction has has 343 places, 574 transitions, 7288 flow [2025-04-30 10:27:33,550 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 126.9090909090909) internal successors, (1396), 11 states have internal predecessors, (1396), 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) [2025-04-30 10:27:33,550 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:33,550 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:33,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-30 10:27:33,751 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-30 10:27:33,752 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:33,753 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:33,753 INFO L85 PathProgramCache]: Analyzing trace with hash -296576425, now seen corresponding path program 8 times [2025-04-30 10:27:33,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:33,753 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632901441] [2025-04-30 10:27:33,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-30 10:27:33,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:33,765 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-04-30 10:27:33,785 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 115 of 168 statements. [2025-04-30 10:27:33,786 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-30 10:27:33,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:27:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2025-04-30 10:27:34,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:27:34,569 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632901441] [2025-04-30 10:27:34,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632901441] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:27:34,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:27:34,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-04-30 10:27:34,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69770838] [2025-04-30 10:27:34,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:27:34,569 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-30 10:27:34,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:27:34,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-30 10:27:34,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-04-30 10:27:35,351 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 160 [2025-04-30 10:27:35,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 574 transitions, 7288 flow. Second operand has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 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) [2025-04-30 10:27:35,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:27:35,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 160 [2025-04-30 10:27:35,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:27:36,237 INFO L116 PetriNetUnfolderBase]: 922/2841 cut-off events. [2025-04-30 10:27:36,237 INFO L117 PetriNetUnfolderBase]: For 24772/24939 co-relation queries the response was YES. [2025-04-30 10:27:36,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15523 conditions, 2841 events. 922/2841 cut-off events. For 24772/24939 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 21358 event pairs, 113 based on Foata normal form. 64/2870 useless extension candidates. Maximal degree in co-relation 15367. Up to 768 conditions per place. [2025-04-30 10:27:36,255 INFO L140 encePairwiseOnDemand]: 139/160 looper letters, 422 selfloop transitions, 163 changer transitions 26/763 dead transitions. [2025-04-30 10:27:36,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 763 transitions, 10456 flow [2025-04-30 10:27:36,257 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-30 10:27:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-04-30 10:27:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1521 transitions. [2025-04-30 10:27:36,258 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8642045454545455 [2025-04-30 10:27:36,258 INFO L175 Difference]: Start difference. First operand has 343 places, 574 transitions, 7288 flow. Second operand 11 states and 1521 transitions. [2025-04-30 10:27:36,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 763 transitions, 10456 flow [2025-04-30 10:27:36,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 763 transitions, 10146 flow, removed 88 selfloop flow, removed 4 redundant places. [2025-04-30 10:27:36,363 INFO L231 Difference]: Finished difference. Result has 355 places, 588 transitions, 7774 flow [2025-04-30 10:27:36,364 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=160, PETRI_DIFFERENCE_MINUEND_FLOW=7022, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=574, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=7774, PETRI_PLACES=355, PETRI_TRANSITIONS=588} [2025-04-30 10:27:36,364 INFO L279 CegarLoopForPetriNet]: 160 programPoint places, 195 predicate places. [2025-04-30 10:27:36,364 INFO L485 AbstractCegarLoop]: Abstraction has has 355 places, 588 transitions, 7774 flow [2025-04-30 10:27:36,365 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 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) [2025-04-30 10:27:36,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:27:36,365 INFO L206 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:27:36,365 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-04-30 10:27:36,365 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-30 10:27:36,366 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:27:36,366 INFO L85 PathProgramCache]: Analyzing trace with hash -49674821, now seen corresponding path program 9 times [2025-04-30 10:27:36,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:27:36,366 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955893889] [2025-04-30 10:27:36,367 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-30 10:27:36,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:27:36,376 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 168 statements into 11 equivalence classes. [2025-04-30 10:27:36,385 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 115 of 168 statements. [2025-04-30 10:27:36,385 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-30 10:27:36,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15