./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/indexer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/indexer.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:08:47,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:08:47,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:08:47,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:08:47,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:08:47,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:08:47,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:08:47,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:08:47,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:08:47,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:08:47,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:08:47,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:08:47,854 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:08:47,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:08:47,854 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f24afaadf07ead7c7da85cf6020fd6a6a5b5585e439441b5111a2dea2e7cec4c [2025-02-08 05:08:48,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:08:48,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:08:48,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:08:48,084 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:08:48,084 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:08:48,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/indexer.i [2025-02-08 05:08:49,306 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e12df3cc5/46606db3f74948c2b619b3025aa816b5/FLAGff6c7d6cc [2025-02-08 05:08:49,700 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:08:49,702 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/indexer.i [2025-02-08 05:08:49,718 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e12df3cc5/46606db3f74948c2b619b3025aa816b5/FLAGff6c7d6cc [2025-02-08 05:08:49,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e12df3cc5/46606db3f74948c2b619b3025aa816b5 [2025-02-08 05:08:49,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:08:49,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:08:49,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:08:49,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:08:49,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:08:49,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:08:49" (1/1) ... [2025-02-08 05:08:49,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ccf8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:49, skipping insertion in model container [2025-02-08 05:08:49,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:08:49" (1/1) ... [2025-02-08 05:08:49,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:08:50,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:08:50,437 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:08:50,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:08:50,534 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:08:50,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50 WrapperNode [2025-02-08 05:08:50,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:08:50,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:08:50,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:08:50,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:08:50,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,616 INFO L138 Inliner]: procedures = 270, calls = 803, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 916 [2025-02-08 05:08:50,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:08:50,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:08:50,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:08:50,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:08:50,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,665 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:08:50,681 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:08:50,681 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:08:50,681 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:08:50,706 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (1/1) ... [2025-02-08 05:08:50,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:08:50,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:08:50,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:08:50,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:08:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:08:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:08:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:08:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 05:08:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread_routine [2025-02-08 05:08:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_routine [2025-02-08 05:08:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 05:08:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:08:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:08:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:08:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:08:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:08:50,761 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:08:50,865 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:08:50,866 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:08:51,036 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: assume 0 == #t~ret9#1; [2025-02-08 05:08:51,037 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: assume !(0 == #t~ret9#1); [2025-02-08 05:08:51,037 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: havoc #t~ret9#1; [2025-02-08 05:08:51,037 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-3: havoc #t~ret9#1; [2025-02-08 05:08:51,037 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-4: assume { :end_inline_cas } true;assume -2147483648 <= #t~ret9#1 && #t~ret9#1 <= 2147483647; [2025-02-08 05:08:51,037 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-5: havoc cas_#in~tab#1.base, cas_#in~tab#1.offset, cas_#in~h#1, cas_#in~val#1, cas_#in~new_val#1; [2025-02-08 05:08:51,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-6: havoc cas_#t~ret3#1, cas_#t~mem4#1, cas_#t~nondet5#1, cas_#t~ret6#1, cas_~tab#1.base, cas_~tab#1.offset, cas_~h#1, cas_~val#1, cas_~new_val#1, cas_~ret_val~0#1; [2025-02-08 05:08:51,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-7: #t~ret9#1 := cas_#res#1; [2025-02-08 05:08:51,038 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1033: ~h~0#1 := (if 1 + ~h~0#1 < 0 && 0 != (1 + ~h~0#1) % 128 then (1 + ~h~0#1) % 128 - 128 else (1 + ~h~0#1) % 128); [2025-02-08 05:08:51,803 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:08:51,803 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:08:51,833 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:08:51,837 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:08:51,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:08:51 BoogieIcfgContainer [2025-02-08 05:08:51,837 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:08:51,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:08:51,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:08:51,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:08:51,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:08:49" (1/3) ... [2025-02-08 05:08:51,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:08:51, skipping insertion in model container [2025-02-08 05:08:51,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:08:50" (2/3) ... [2025-02-08 05:08:51,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:08:51, skipping insertion in model container [2025-02-08 05:08:51,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:08:51" (3/3) ... [2025-02-08 05:08:51,847 INFO L128 eAbstractionObserver]: Analyzing ICFG indexer.i [2025-02-08 05:08:51,858 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:08:51,859 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG indexer.i that has 2 procedures, 920 locations, 1 initial locations, 6 loop locations, and 6 error locations. [2025-02-08 05:08:51,859 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:08:51,972 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 05:08:52,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 923 places, 928 transitions, 1863 flow [2025-02-08 05:08:52,518 INFO L124 PetriNetUnfolderBase]: 9/970 cut-off events. [2025-02-08 05:08:52,523 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:08:52,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 970 events. 9/970 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 380 event pairs, 0 based on Foata normal form. 0/948 useless extension candidates. Maximal degree in co-relation 847. Up to 4 conditions per place. [2025-02-08 05:08:52,539 INFO L82 GeneralOperation]: Start removeDead. Operand has 923 places, 928 transitions, 1863 flow [2025-02-08 05:08:52,550 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 923 places, 928 transitions, 1863 flow [2025-02-08 05:08:52,560 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:08:52,578 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@597c0ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:08:52,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-08 05:08:52,720 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:08:52,720 INFO L124 PetriNetUnfolderBase]: 2/829 cut-off events. [2025-02-08 05:08:52,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:08:52,720 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:52,721 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:52,722 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:08:52,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1486299786, now seen corresponding path program 1 times [2025-02-08 05:08:52,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:52,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819935281] [2025-02-08 05:08:52,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:52,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:52,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 808 statements into 1 equivalence classes. [2025-02-08 05:08:52,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 808 of 808 statements. [2025-02-08 05:08:52,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:52,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:53,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:53,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819935281] [2025-02-08 05:08:53,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819935281] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:08:53,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:08:53,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 05:08:53,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228904189] [2025-02-08 05:08:53,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:08:53,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:08:53,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:53,613 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:08:53,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:08:53,687 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 904 out of 928 [2025-02-08 05:08:53,696 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 928 transitions, 1863 flow. Second operand has 3 states, 3 states have (on average 905.6666666666666) internal successors, (2717), 3 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:53,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:53,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 904 of 928 [2025-02-08 05:08:53,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:53,876 INFO L124 PetriNetUnfolderBase]: 9/1029 cut-off events. [2025-02-08 05:08:53,876 INFO L125 PetriNetUnfolderBase]: For 7/10 co-relation queries the response was YES. [2025-02-08 05:08:53,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 1029 events. 9/1029 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 655 event pairs, 2 based on Foata normal form. 15/1022 useless extension candidates. Maximal degree in co-relation 836. Up to 22 conditions per place. [2025-02-08 05:08:53,879 INFO L140 encePairwiseOnDemand]: 912/928 looper letters, 11 selfloop transitions, 6 changer transitions 13/926 dead transitions. [2025-02-08 05:08:53,879 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 923 places, 926 transitions, 1905 flow [2025-02-08 05:08:53,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:08:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:08:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2747 transitions. [2025-02-08 05:08:53,892 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9867097701149425 [2025-02-08 05:08:53,894 INFO L175 Difference]: Start difference. First operand has 923 places, 928 transitions, 1863 flow. Second operand 3 states and 2747 transitions. [2025-02-08 05:08:53,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 923 places, 926 transitions, 1905 flow [2025-02-08 05:08:53,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 926 transitions, 1905 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:08:53,915 INFO L231 Difference]: Finished difference. Result has 924 places, 911 transitions, 1853 flow [2025-02-08 05:08:53,917 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=1851, PETRI_DIFFERENCE_MINUEND_PLACES=921, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=922, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=916, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1853, PETRI_PLACES=924, PETRI_TRANSITIONS=911} [2025-02-08 05:08:53,922 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 1 predicate places. [2025-02-08 05:08:53,922 INFO L471 AbstractCegarLoop]: Abstraction has has 924 places, 911 transitions, 1853 flow [2025-02-08 05:08:53,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 905.6666666666666) internal successors, (2717), 3 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:53,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:53,924 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:53,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:08:53,924 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:08:53,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:53,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1982718175, now seen corresponding path program 1 times [2025-02-08 05:08:53,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:53,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313280182] [2025-02-08 05:08:53,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:53,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:53,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-02-08 05:08:54,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-02-08 05:08:54,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:54,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:54,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313280182] [2025-02-08 05:08:54,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313280182] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:08:54,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229941824] [2025-02-08 05:08:54,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:54,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:08:54,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:08:54,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:08:54,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 05:08:54,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-02-08 05:08:55,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-02-08 05:08:55,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:55,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:55,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 05:08:55,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:08:55,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:55,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:08:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:55,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229941824] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:08:55,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:08:55,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 05:08:55,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345268603] [2025-02-08 05:08:55,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:08:55,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 05:08:55,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:55,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 05:08:55,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 05:08:55,516 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 898 out of 928 [2025-02-08 05:08:55,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 911 transitions, 1853 flow. Second operand has 10 states, 10 states have (on average 900.0) internal successors, (9000), 10 states have internal predecessors, (9000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:55,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:55,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 898 of 928 [2025-02-08 05:08:55,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:55,783 INFO L124 PetriNetUnfolderBase]: 12/1025 cut-off events. [2025-02-08 05:08:55,783 INFO L125 PetriNetUnfolderBase]: For 14/19 co-relation queries the response was YES. [2025-02-08 05:08:55,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 1025 events. 12/1025 cut-off events. For 14/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 586 event pairs, 4 based on Foata normal form. 4/1005 useless extension candidates. Maximal degree in co-relation 862. Up to 18 conditions per place. [2025-02-08 05:08:55,789 INFO L140 encePairwiseOnDemand]: 916/928 looper letters, 19 selfloop transitions, 15 changer transitions 0/925 dead transitions. [2025-02-08 05:08:55,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 925 transitions, 1951 flow [2025-02-08 05:08:55,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 05:08:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-02-08 05:08:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 9016 transitions. [2025-02-08 05:08:55,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.971551724137931 [2025-02-08 05:08:55,814 INFO L175 Difference]: Start difference. First operand has 924 places, 911 transitions, 1853 flow. Second operand 10 states and 9016 transitions. [2025-02-08 05:08:55,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 922 places, 925 transitions, 1951 flow [2025-02-08 05:08:55,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 921 places, 925 transitions, 1945 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:08:55,825 INFO L231 Difference]: Finished difference. Result has 924 places, 919 transitions, 1923 flow [2025-02-08 05:08:55,826 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=1847, PETRI_DIFFERENCE_MINUEND_PLACES=912, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=911, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=899, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1923, PETRI_PLACES=924, PETRI_TRANSITIONS=919} [2025-02-08 05:08:55,826 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 1 predicate places. [2025-02-08 05:08:55,826 INFO L471 AbstractCegarLoop]: Abstraction has has 924 places, 919 transitions, 1923 flow [2025-02-08 05:08:55,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 900.0) internal successors, (9000), 10 states have internal predecessors, (9000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:55,832 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:55,832 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:55,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 05:08:56,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:08:56,036 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:08:56,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:56,038 INFO L85 PathProgramCache]: Analyzing trace with hash 2002113729, now seen corresponding path program 2 times [2025-02-08 05:08:56,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:56,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133914809] [2025-02-08 05:08:56,038 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:08:56,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:56,083 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 823 statements into 2 equivalence classes. [2025-02-08 05:08:56,144 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 808 of 823 statements. [2025-02-08 05:08:56,145 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:08:56,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 05:08:58,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:58,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133914809] [2025-02-08 05:08:58,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133914809] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:08:58,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:08:58,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:08:58,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48063787] [2025-02-08 05:08:58,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:08:58,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:08:58,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:58,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:08:58,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:08:58,273 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 887 out of 928 [2025-02-08 05:08:58,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 919 transitions, 1923 flow. Second operand has 6 states, 6 states have (on average 888.3333333333334) internal successors, (5330), 6 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:58,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:58,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 887 of 928 [2025-02-08 05:08:58,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:08:58,802 INFO L124 PetriNetUnfolderBase]: 305/2087 cut-off events. [2025-02-08 05:08:58,802 INFO L125 PetriNetUnfolderBase]: For 15/18 co-relation queries the response was YES. [2025-02-08 05:08:58,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 2087 events. 305/2087 cut-off events. For 15/18 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 8309 event pairs, 142 based on Foata normal form. 0/1960 useless extension candidates. Maximal degree in co-relation 1920. Up to 527 conditions per place. [2025-02-08 05:08:58,810 INFO L140 encePairwiseOnDemand]: 909/928 looper letters, 41 selfloop transitions, 54 changer transitions 0/980 dead transitions. [2025-02-08 05:08:58,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 980 transitions, 2235 flow [2025-02-08 05:08:58,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:08:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:08:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5418 transitions. [2025-02-08 05:08:58,818 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9730603448275862 [2025-02-08 05:08:58,818 INFO L175 Difference]: Start difference. First operand has 924 places, 919 transitions, 1923 flow. Second operand 6 states and 5418 transitions. [2025-02-08 05:08:58,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 980 transitions, 2235 flow [2025-02-08 05:08:58,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 980 transitions, 2225 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-02-08 05:08:58,830 INFO L231 Difference]: Finished difference. Result has 933 places, 972 transitions, 2271 flow [2025-02-08 05:08:58,831 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=1913, PETRI_DIFFERENCE_MINUEND_PLACES=923, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=919, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=901, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2271, PETRI_PLACES=933, PETRI_TRANSITIONS=972} [2025-02-08 05:08:58,832 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 10 predicate places. [2025-02-08 05:08:58,832 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 972 transitions, 2271 flow [2025-02-08 05:08:58,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 888.3333333333334) internal successors, (5330), 6 states have internal predecessors, (5330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:58,834 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:08:58,834 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:08:58,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:08:58,835 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:08:58,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:08:58,836 INFO L85 PathProgramCache]: Analyzing trace with hash 2074678416, now seen corresponding path program 1 times [2025-02-08 05:08:58,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:08:58,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393119945] [2025-02-08 05:08:58,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:08:58,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 833 statements into 1 equivalence classes. [2025-02-08 05:08:58,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 833 of 833 statements. [2025-02-08 05:08:58,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:58,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:59,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:08:59,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393119945] [2025-02-08 05:08:59,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393119945] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:08:59,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823374246] [2025-02-08 05:08:59,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:08:59,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:08:59,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:08:59,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:08:59,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 05:08:59,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 833 statements into 1 equivalence classes. [2025-02-08 05:08:59,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 833 of 833 statements. [2025-02-08 05:08:59,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:08:59,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:08:59,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 1710 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 05:08:59,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:08:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:59,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:08:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:08:59,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823374246] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:08:59,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:08:59,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-02-08 05:08:59,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014865923] [2025-02-08 05:08:59,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:08:59,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 05:08:59,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:08:59,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 05:08:59,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-02-08 05:08:59,969 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 898 out of 928 [2025-02-08 05:08:59,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 972 transitions, 2271 flow. Second operand has 18 states, 18 states have (on average 900.0) internal successors, (16200), 18 states have internal predecessors, (16200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:08:59,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:08:59,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 898 of 928 [2025-02-08 05:08:59,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:00,443 INFO L124 PetriNetUnfolderBase]: 147/1572 cut-off events. [2025-02-08 05:09:00,443 INFO L125 PetriNetUnfolderBase]: For 112/117 co-relation queries the response was YES. [2025-02-08 05:09:00,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2201 conditions, 1572 events. 147/1572 cut-off events. For 112/117 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4027 event pairs, 16 based on Foata normal form. 6/1516 useless extension candidates. Maximal degree in co-relation 1275. Up to 156 conditions per place. [2025-02-08 05:09:00,449 INFO L140 encePairwiseOnDemand]: 916/928 looper letters, 23 selfloop transitions, 27 changer transitions 0/994 dead transitions. [2025-02-08 05:09:00,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 994 transitions, 2467 flow [2025-02-08 05:09:00,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 05:09:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-02-08 05:09:00,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 19810 transitions. [2025-02-08 05:09:00,478 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9703173981191222 [2025-02-08 05:09:00,478 INFO L175 Difference]: Start difference. First operand has 933 places, 972 transitions, 2271 flow. Second operand 22 states and 19810 transitions. [2025-02-08 05:09:00,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 994 transitions, 2467 flow [2025-02-08 05:09:00,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 954 places, 994 transitions, 2467 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:09:00,494 INFO L231 Difference]: Finished difference. Result has 959 places, 985 transitions, 2419 flow [2025-02-08 05:09:00,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=2271, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=972, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=2419, PETRI_PLACES=959, PETRI_TRANSITIONS=985} [2025-02-08 05:09:00,495 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 36 predicate places. [2025-02-08 05:09:00,495 INFO L471 AbstractCegarLoop]: Abstraction has has 959 places, 985 transitions, 2419 flow [2025-02-08 05:09:00,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 900.0) internal successors, (16200), 18 states have internal predecessors, (16200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:00,502 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:00,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:00,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 05:09:00,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:09:00,703 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:00,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:00,710 INFO L85 PathProgramCache]: Analyzing trace with hash -600844336, now seen corresponding path program 2 times [2025-02-08 05:09:00,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:00,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623320291] [2025-02-08 05:09:00,710 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:09:00,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:00,749 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 853 statements into 2 equivalence classes. [2025-02-08 05:09:00,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 818 of 853 statements. [2025-02-08 05:09:00,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:09:00,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:01,983 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 05:09:01,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:01,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623320291] [2025-02-08 05:09:01,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623320291] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:01,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:01,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:09:01,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688175655] [2025-02-08 05:09:01,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:01,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:09:01,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:01,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:09:01,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:09:02,179 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 878 out of 928 [2025-02-08 05:09:02,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 959 places, 985 transitions, 2419 flow. Second operand has 6 states, 6 states have (on average 880.6666666666666) internal successors, (5284), 6 states have internal predecessors, (5284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:02,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:02,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 878 of 928 [2025-02-08 05:09:02,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:02,775 INFO L124 PetriNetUnfolderBase]: 425/2572 cut-off events. [2025-02-08 05:09:02,775 INFO L125 PetriNetUnfolderBase]: For 578/608 co-relation queries the response was YES. [2025-02-08 05:09:02,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4350 conditions, 2572 events. 425/2572 cut-off events. For 578/608 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 12081 event pairs, 136 based on Foata normal form. 0/2419 useless extension candidates. Maximal degree in co-relation 3404. Up to 743 conditions per place. [2025-02-08 05:09:02,787 INFO L140 encePairwiseOnDemand]: 909/928 looper letters, 106 selfloop transitions, 54 changer transitions 0/1046 dead transitions. [2025-02-08 05:09:02,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 1046 transitions, 2957 flow [2025-02-08 05:09:02,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:09:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:09:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5372 transitions. [2025-02-08 05:09:02,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9647988505747126 [2025-02-08 05:09:02,793 INFO L175 Difference]: Start difference. First operand has 959 places, 985 transitions, 2419 flow. Second operand 6 states and 5372 transitions. [2025-02-08 05:09:02,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 1046 transitions, 2957 flow [2025-02-08 05:09:02,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 958 places, 1046 transitions, 2929 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-02-08 05:09:02,808 INFO L231 Difference]: Finished difference. Result has 963 places, 1038 transitions, 2845 flow [2025-02-08 05:09:02,809 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=2391, PETRI_DIFFERENCE_MINUEND_PLACES=953, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=985, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2845, PETRI_PLACES=963, PETRI_TRANSITIONS=1038} [2025-02-08 05:09:02,810 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 40 predicate places. [2025-02-08 05:09:02,810 INFO L471 AbstractCegarLoop]: Abstraction has has 963 places, 1038 transitions, 2845 flow [2025-02-08 05:09:02,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 880.6666666666666) internal successors, (5284), 6 states have internal predecessors, (5284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:02,811 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:02,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:02,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:09:02,812 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_routineErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:02,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:02,814 INFO L85 PathProgramCache]: Analyzing trace with hash 668467344, now seen corresponding path program 1 times [2025-02-08 05:09:02,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:02,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667657635] [2025-02-08 05:09:02,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:02,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:02,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 865 statements into 1 equivalence classes. [2025-02-08 05:09:02,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 865 of 865 statements. [2025-02-08 05:09:02,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:02,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:03,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667657635] [2025-02-08 05:09:03,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667657635] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:09:03,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462040734] [2025-02-08 05:09:03,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:03,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:09:03,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:09:03,696 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:09:03,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 05:09:03,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 865 statements into 1 equivalence classes. [2025-02-08 05:09:03,950 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 865 of 865 statements. [2025-02-08 05:09:03,950 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:03,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:03,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 05:09:03,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:09:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:04,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:09:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:04,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462040734] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:09:04,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:09:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-02-08 05:09:04,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028255729] [2025-02-08 05:09:04,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:09:04,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-08 05:09:04,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:04,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-08 05:09:04,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 05:09:04,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 898 out of 928 [2025-02-08 05:09:04,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 1038 transitions, 2845 flow. Second operand has 34 states, 34 states have (on average 900.0294117647059) internal successors, (30601), 34 states have internal predecessors, (30601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:04,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:04,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 898 of 928 [2025-02-08 05:09:04,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:05,808 INFO L124 PetriNetUnfolderBase]: 257/2132 cut-off events. [2025-02-08 05:09:05,808 INFO L125 PetriNetUnfolderBase]: For 600/605 co-relation queries the response was YES. [2025-02-08 05:09:05,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3557 conditions, 2132 events. 257/2132 cut-off events. For 600/605 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8120 event pairs, 16 based on Foata normal form. 10/2049 useless extension candidates. Maximal degree in co-relation 2436. Up to 283 conditions per place. [2025-02-08 05:09:05,820 INFO L140 encePairwiseOnDemand]: 916/928 looper letters, 31 selfloop transitions, 51 changer transitions 0/1079 dead transitions. [2025-02-08 05:09:05,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1008 places, 1079 transitions, 3289 flow [2025-02-08 05:09:05,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-02-08 05:09:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2025-02-08 05:09:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 41398 transitions. [2025-02-08 05:09:05,848 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9697807346326837 [2025-02-08 05:09:05,849 INFO L175 Difference]: Start difference. First operand has 963 places, 1038 transitions, 2845 flow. Second operand 46 states and 41398 transitions. [2025-02-08 05:09:05,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1008 places, 1079 transitions, 3289 flow [2025-02-08 05:09:05,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1008 places, 1079 transitions, 3193 flow, removed 48 selfloop flow, removed 0 redundant places. [2025-02-08 05:09:05,867 INFO L231 Difference]: Finished difference. Result has 1017 places, 1063 transitions, 3069 flow [2025-02-08 05:09:05,869 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=2749, PETRI_DIFFERENCE_MINUEND_PLACES=963, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1038, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1009, PETRI_DIFFERENCE_SUBTRAHEND_STATES=46, PETRI_FLOW=3069, PETRI_PLACES=1017, PETRI_TRANSITIONS=1063} [2025-02-08 05:09:05,870 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 94 predicate places. [2025-02-08 05:09:05,871 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1063 transitions, 3069 flow [2025-02-08 05:09:05,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 900.0294117647059) internal successors, (30601), 34 states have internal predecessors, (30601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:05,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:05,878 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:05,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 05:09:06,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:09:06,079 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_routineErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:06,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:06,082 INFO L85 PathProgramCache]: Analyzing trace with hash 132736784, now seen corresponding path program 2 times [2025-02-08 05:09:06,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:06,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693389543] [2025-02-08 05:09:06,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:09:06,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:06,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 905 statements into 2 equivalence classes. [2025-02-08 05:09:06,127 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 830 of 905 statements. [2025-02-08 05:09:06,127 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 05:09:06,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-02-08 05:09:07,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:07,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693389543] [2025-02-08 05:09:07,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693389543] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:07,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:07,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:09:07,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771884688] [2025-02-08 05:09:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:07,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:09:07,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:07,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:09:07,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:09:07,442 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 900 out of 928 [2025-02-08 05:09:07,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1063 transitions, 3069 flow. Second operand has 6 states, 6 states have (on average 902.5) internal successors, (5415), 6 states have internal predecessors, (5415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:07,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:07,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 900 of 928 [2025-02-08 05:09:07,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:07,990 INFO L124 PetriNetUnfolderBase]: 414/2818 cut-off events. [2025-02-08 05:09:07,991 INFO L125 PetriNetUnfolderBase]: For 890/916 co-relation queries the response was YES. [2025-02-08 05:09:07,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5249 conditions, 2818 events. 414/2818 cut-off events. For 890/916 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 14372 event pairs, 22 based on Foata normal form. 4/2685 useless extension candidates. Maximal degree in co-relation 4111. Up to 551 conditions per place. [2025-02-08 05:09:08,006 INFO L140 encePairwiseOnDemand]: 913/928 looper letters, 86 selfloop transitions, 60 changer transitions 0/1116 dead transitions. [2025-02-08 05:09:08,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1022 places, 1116 transitions, 3619 flow [2025-02-08 05:09:08,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:09:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:09:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5463 transitions. [2025-02-08 05:09:08,009 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9811422413793104 [2025-02-08 05:09:08,009 INFO L175 Difference]: Start difference. First operand has 1017 places, 1063 transitions, 3069 flow. Second operand 6 states and 5463 transitions. [2025-02-08 05:09:08,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1022 places, 1116 transitions, 3619 flow [2025-02-08 05:09:08,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1004 places, 1116 transitions, 3559 flow, removed 10 selfloop flow, removed 18 redundant places. [2025-02-08 05:09:08,032 INFO L231 Difference]: Finished difference. Result has 1009 places, 1114 transitions, 3559 flow [2025-02-08 05:09:08,033 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=3009, PETRI_DIFFERENCE_MINUEND_PLACES=999, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1063, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1027, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3559, PETRI_PLACES=1009, PETRI_TRANSITIONS=1114} [2025-02-08 05:09:08,034 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 86 predicate places. [2025-02-08 05:09:08,034 INFO L471 AbstractCegarLoop]: Abstraction has has 1009 places, 1114 transitions, 3559 flow [2025-02-08 05:09:08,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 902.5) internal successors, (5415), 6 states have internal predecessors, (5415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:08,035 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:08,035 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:08,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 05:09:08,035 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:08,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:08,039 INFO L85 PathProgramCache]: Analyzing trace with hash 539128929, now seen corresponding path program 1 times [2025-02-08 05:09:08,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:08,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500978260] [2025-02-08 05:09:08,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:08,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:08,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 909 statements into 1 equivalence classes. [2025-02-08 05:09:08,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 909 of 909 statements. [2025-02-08 05:09:08,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:08,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:08,347 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2025-02-08 05:09:08,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:08,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500978260] [2025-02-08 05:09:08,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500978260] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:09:08,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:09:08,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 05:09:08,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662609204] [2025-02-08 05:09:08,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:09:08,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 05:09:08,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:08,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 05:09:08,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 05:09:08,423 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 902 out of 928 [2025-02-08 05:09:08,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1009 places, 1114 transitions, 3559 flow. Second operand has 5 states, 5 states have (on average 904.4) internal successors, (4522), 5 states have internal predecessors, (4522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:08,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:08,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 902 of 928 [2025-02-08 05:09:08,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:09,007 INFO L124 PetriNetUnfolderBase]: 355/2704 cut-off events. [2025-02-08 05:09:09,007 INFO L125 PetriNetUnfolderBase]: For 1150/1175 co-relation queries the response was YES. [2025-02-08 05:09:09,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5058 conditions, 2704 events. 355/2704 cut-off events. For 1150/1175 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 13613 event pairs, 13 based on Foata normal form. 7/2597 useless extension candidates. Maximal degree in co-relation 3924. Up to 325 conditions per place. [2025-02-08 05:09:09,023 INFO L140 encePairwiseOnDemand]: 921/928 looper letters, 26 selfloop transitions, 6 changer transitions 0/1104 dead transitions. [2025-02-08 05:09:09,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1000 places, 1104 transitions, 3571 flow [2025-02-08 05:09:09,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 05:09:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-08 05:09:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5432 transitions. [2025-02-08 05:09:09,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9755747126436781 [2025-02-08 05:09:09,027 INFO L175 Difference]: Start difference. First operand has 1009 places, 1114 transitions, 3559 flow. Second operand 6 states and 5432 transitions. [2025-02-08 05:09:09,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1000 places, 1104 transitions, 3571 flow [2025-02-08 05:09:09,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1000 places, 1104 transitions, 3535 flow, removed 18 selfloop flow, removed 0 redundant places. [2025-02-08 05:09:09,050 INFO L231 Difference]: Finished difference. Result has 1000 places, 1098 transitions, 3471 flow [2025-02-08 05:09:09,052 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=3459, PETRI_DIFFERENCE_MINUEND_PLACES=995, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1092, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3471, PETRI_PLACES=1000, PETRI_TRANSITIONS=1098} [2025-02-08 05:09:09,052 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 77 predicate places. [2025-02-08 05:09:09,052 INFO L471 AbstractCegarLoop]: Abstraction has has 1000 places, 1098 transitions, 3471 flow [2025-02-08 05:09:09,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 904.4) internal successors, (4522), 5 states have internal predecessors, (4522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:09,053 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:09,053 INFO L206 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:09,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 05:09:09,054 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:09,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:09,057 INFO L85 PathProgramCache]: Analyzing trace with hash -566795022, now seen corresponding path program 1 times [2025-02-08 05:09:09,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:09,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099728022] [2025-02-08 05:09:09,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:09,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:09,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 915 statements into 1 equivalence classes. [2025-02-08 05:09:09,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 915 of 915 statements. [2025-02-08 05:09:09,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:09,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099728022] [2025-02-08 05:09:10,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099728022] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:09:10,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611528037] [2025-02-08 05:09:10,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:09:10,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:09:10,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:09:10,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:09:10,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 05:09:10,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 915 statements into 1 equivalence classes. [2025-02-08 05:09:10,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 915 of 915 statements. [2025-02-08 05:09:10,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:09:10,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:10,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 1889 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 05:09:10,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:09:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:10,957 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:09:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:11,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611528037] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:09:11,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:09:11,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2025-02-08 05:09:11,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121295501] [2025-02-08 05:09:11,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:09:11,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-02-08 05:09:11,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:11,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-02-08 05:09:11,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2025-02-08 05:09:12,569 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 898 out of 928 [2025-02-08 05:09:12,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1000 places, 1098 transitions, 3471 flow. Second operand has 66 states, 66 states have (on average 900.030303030303) internal successors, (59402), 66 states have internal predecessors, (59402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:12,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:12,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 898 of 928 [2025-02-08 05:09:12,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:14,618 INFO L124 PetriNetUnfolderBase]: 352/2778 cut-off events. [2025-02-08 05:09:14,619 INFO L125 PetriNetUnfolderBase]: For 3156/3181 co-relation queries the response was YES. [2025-02-08 05:09:14,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5487 conditions, 2778 events. 352/2778 cut-off events. For 3156/3181 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 13552 event pairs, 13 based on Foata normal form. 19/2683 useless extension candidates. Maximal degree in co-relation 3904. Up to 325 conditions per place. [2025-02-08 05:09:14,632 INFO L140 encePairwiseOnDemand]: 919/928 looper letters, 44 selfloop transitions, 96 changer transitions 0/1178 dead transitions. [2025-02-08 05:09:14,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1092 places, 1178 transitions, 4515 flow [2025-02-08 05:09:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-02-08 05:09:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2025-02-08 05:09:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 83670 transitions. [2025-02-08 05:09:14,660 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9694799777530589 [2025-02-08 05:09:14,661 INFO L175 Difference]: Start difference. First operand has 1000 places, 1098 transitions, 3471 flow. Second operand 93 states and 83670 transitions. [2025-02-08 05:09:14,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1092 places, 1178 transitions, 4515 flow [2025-02-08 05:09:14,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1088 places, 1178 transitions, 4504 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-08 05:09:14,681 INFO L231 Difference]: Finished difference. Result has 1105 places, 1147 transitions, 4159 flow [2025-02-08 05:09:14,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=3460, PETRI_DIFFERENCE_MINUEND_PLACES=996, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1098, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1048, PETRI_DIFFERENCE_SUBTRAHEND_STATES=93, PETRI_FLOW=4159, PETRI_PLACES=1105, PETRI_TRANSITIONS=1147} [2025-02-08 05:09:14,683 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 182 predicate places. [2025-02-08 05:09:14,683 INFO L471 AbstractCegarLoop]: Abstraction has has 1105 places, 1147 transitions, 4159 flow [2025-02-08 05:09:14,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 900.030303030303) internal successors, (59402), 66 states have internal predecessors, (59402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:14,692 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:14,692 INFO L206 CegarLoopForPetriNet]: trace histogram [31, 31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:14,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 05:09:14,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-02-08 05:09:14,897 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:14,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash -391150452, now seen corresponding path program 2 times [2025-02-08 05:09:14,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:14,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150525926] [2025-02-08 05:09:14,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:09:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:14,930 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 995 statements into 2 equivalence classes. [2025-02-08 05:09:14,994 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 995 of 995 statements. [2025-02-08 05:09:14,995 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:09:14,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:18,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:18,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150525926] [2025-02-08 05:09:18,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150525926] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:09:18,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119007725] [2025-02-08 05:09:18,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 05:09:18,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:09:18,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:09:18,667 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:09:18,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 05:09:18,775 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 995 statements into 2 equivalence classes. [2025-02-08 05:09:18,966 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 995 of 995 statements. [2025-02-08 05:09:18,966 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 05:09:18,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:18,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 2049 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-02-08 05:09:18,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 05:09:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:19,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 05:09:21,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2356 backedges. 0 proven. 2356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:21,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119007725] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 05:09:21,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 05:09:21,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2025-02-08 05:09:21,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810501231] [2025-02-08 05:09:21,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 05:09:21,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2025-02-08 05:09:21,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:09:21,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2025-02-08 05:09:21,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2025-02-08 05:09:23,870 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 898 out of 928 [2025-02-08 05:09:23,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1105 places, 1147 transitions, 4159 flow. Second operand has 130 states, 130 states have (on average 900.0153846153846) internal successors, (117002), 130 states have internal predecessors, (117002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:23,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:09:23,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 898 of 928 [2025-02-08 05:09:23,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:09:29,866 INFO L124 PetriNetUnfolderBase]: 352/2938 cut-off events. [2025-02-08 05:09:29,867 INFO L125 PetriNetUnfolderBase]: For 17955/17980 co-relation queries the response was YES. [2025-02-08 05:09:29,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6646 conditions, 2938 events. 352/2938 cut-off events. For 17955/17980 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 13562 event pairs, 13 based on Foata normal form. 35/2859 useless extension candidates. Maximal degree in co-relation 3912. Up to 325 conditions per place. [2025-02-08 05:09:29,886 INFO L140 encePairwiseOnDemand]: 919/928 looper letters, 76 selfloop transitions, 192 changer transitions 0/1306 dead transitions. [2025-02-08 05:09:29,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1293 places, 1306 transitions, 6723 flow [2025-02-08 05:09:29,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2025-02-08 05:09:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2025-02-08 05:09:29,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 170022 transitions. [2025-02-08 05:09:29,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9693828680897646 [2025-02-08 05:09:29,953 INFO L175 Difference]: Start difference. First operand has 1105 places, 1147 transitions, 4159 flow. Second operand 189 states and 170022 transitions. [2025-02-08 05:09:29,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1293 places, 1306 transitions, 6723 flow [2025-02-08 05:09:29,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1251 places, 1306 transitions, 6536 flow, removed 50 selfloop flow, removed 42 redundant places. [2025-02-08 05:09:29,993 INFO L231 Difference]: Finished difference. Result has 1284 places, 1244 transitions, 5603 flow [2025-02-08 05:09:29,995 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=928, PETRI_DIFFERENCE_MINUEND_FLOW=4036, PETRI_DIFFERENCE_MINUEND_PLACES=1063, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1049, PETRI_DIFFERENCE_SUBTRAHEND_STATES=189, PETRI_FLOW=5603, PETRI_PLACES=1284, PETRI_TRANSITIONS=1244} [2025-02-08 05:09:29,996 INFO L279 CegarLoopForPetriNet]: 923 programPoint places, 361 predicate places. [2025-02-08 05:09:29,997 INFO L471 AbstractCegarLoop]: Abstraction has has 1284 places, 1244 transitions, 5603 flow [2025-02-08 05:09:30,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 900.0153846153846) internal successors, (117002), 130 states have internal predecessors, (117002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:09:30,012 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:09:30,012 INFO L206 CegarLoopForPetriNet]: trace histogram [63, 63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:09:30,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 05:09:30,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 05:09:30,217 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread_routineErr2ASSERT_VIOLATIONDATA_RACE, thread_routineErr1ASSERT_VIOLATIONDATA_RACE, thread_routineErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2025-02-08 05:09:30,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:09:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1514632206, now seen corresponding path program 3 times [2025-02-08 05:09:30,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:09:30,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316718417] [2025-02-08 05:09:30,221 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:09:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:09:30,260 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1155 statements into 64 equivalence classes. [2025-02-08 05:09:31,045 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) and asserted 1155 of 1155 statements. [2025-02-08 05:09:31,045 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 64 check-sat command(s) [2025-02-08 05:09:31,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:09:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9828 backedges. 0 proven. 9828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:09:43,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:09:43,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316718417] [2025-02-08 05:09:43,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316718417] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 05:09:43,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231583812] [2025-02-08 05:09:43,801 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 05:09:43,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 05:09:43,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:09:43,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 05:09:43,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 05:09:43,920 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1155 statements into 64 equivalence classes.