./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/twostage_3-race.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/twostage_3-race.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:35:58,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:35:58,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:35:58,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:35:58,173 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:35:58,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:35:58,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:35:58,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:35:58,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:35:58,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:35:58,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:35:58,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:35:58,197 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:35:58,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:35:58,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:35:58,198 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:35:58,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:35:58,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:35:58,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:35:58,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:35:58,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:35:58,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:35:58,201 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c75e051173a22f60f33f26eab32e0b3a7dcaf46f2d4cc494d0c9d8775c984e [2025-03-08 21:35:58,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:35:58,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:35:58,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:35:58,431 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:35:58,432 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:35:58,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/twostage_3-race.i [2025-03-08 21:35:59,578 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e358703c2/04d515a1f7a649dd8b6ed39dae2aae19/FLAG426259b56 [2025-03-08 21:35:59,896 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:35:59,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/twostage_3-race.i [2025-03-08 21:35:59,913 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e358703c2/04d515a1f7a649dd8b6ed39dae2aae19/FLAG426259b56 [2025-03-08 21:35:59,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e358703c2/04d515a1f7a649dd8b6ed39dae2aae19 [2025-03-08 21:35:59,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:35:59,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:35:59,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:35:59,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:35:59,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:35:59,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:35:59" (1/1) ... [2025-03-08 21:35:59,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ff858a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:35:59, skipping insertion in model container [2025-03-08 21:35:59,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:35:59" (1/1) ... [2025-03-08 21:35:59,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:36:00,305 WARN L1731 CHandler]: Possible shadowing of function lock [2025-03-08 21:36:00,307 WARN L1731 CHandler]: Possible shadowing of function lock [2025-03-08 21:36:00,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:36:00,315 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:36:00,375 WARN L1731 CHandler]: Possible shadowing of function lock [2025-03-08 21:36:00,375 WARN L1731 CHandler]: Possible shadowing of function lock [2025-03-08 21:36:00,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:36:00,422 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:36:00,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00 WrapperNode [2025-03-08 21:36:00,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:36:00,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:36:00,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:36:00,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:36:00,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,459 INFO L138 Inliner]: procedures = 373, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 272 [2025-03-08 21:36:00,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:36:00,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:36:00,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:36:00,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:36:00,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:36:00,489 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:36:00,489 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:36:00,489 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:36:00,490 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (1/1) ... [2025-03-08 21:36:00,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:36:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:36:00,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 21:36:00,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 21:36:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2025-03-08 21:36:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2025-03-08 21:36:00,531 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:36:00,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:36:00,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:36:00,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:36:00,533 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:36:00,633 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:36:00,634 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:36:00,911 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1297: havoc main_~#tPool~0#1.base, main_~#tPool~0#1.offset; [2025-03-08 21:36:00,911 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1297-1: SUMMARY for call ULTIMATE.dealloc(main_~#tPool~0#1.base, main_~#tPool~0#1.offset); srcloc: null [2025-03-08 21:36:00,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1298: havoc main_~#rPool~0#1.base, main_~#rPool~0#1.offset; [2025-03-08 21:36:00,912 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1298-1: SUMMARY for call ULTIMATE.dealloc(main_~#rPool~0#1.base, main_~#rPool~0#1.offset); srcloc: null [2025-03-08 21:36:00,949 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:36:00,950 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:36:00,984 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:36:00,984 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:36:00,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:36:00 BoogieIcfgContainer [2025-03-08 21:36:00,984 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:36:00,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:36:00,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:36:00,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:36:00,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:35:59" (1/3) ... [2025-03-08 21:36:00,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:36:00, skipping insertion in model container [2025-03-08 21:36:00,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:00" (2/3) ... [2025-03-08 21:36:00,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7066d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:36:00, skipping insertion in model container [2025-03-08 21:36:00,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:36:00" (3/3) ... [2025-03-08 21:36:00,995 INFO L128 eAbstractionObserver]: Analyzing ICFG twostage_3-race.i [2025-03-08 21:36:01,005 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:36:01,006 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG twostage_3-race.i that has 3 procedures, 335 locations, 1 initial locations, 4 loop locations, and 43 error locations. [2025-03-08 21:36:01,006 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:36:01,076 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-08 21:36:01,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 357 transitions, 734 flow [2025-03-08 21:36:01,243 INFO L124 PetriNetUnfolderBase]: 43/670 cut-off events. [2025-03-08 21:36:01,245 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-08 21:36:01,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 670 events. 43/670 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2893 event pairs, 0 based on Foata normal form. 0/544 useless extension candidates. Maximal degree in co-relation 354. Up to 8 conditions per place. [2025-03-08 21:36:01,256 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 357 transitions, 734 flow [2025-03-08 21:36:01,264 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 341 places, 357 transitions, 734 flow [2025-03-08 21:36:01,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:36:01,278 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;@71c863e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:36:01,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2025-03-08 21:36:01,283 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:36:01,283 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-08 21:36:01,283 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:36:01,283 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:01,284 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] [2025-03-08 21:36:01,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:01,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:01,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1845704969, now seen corresponding path program 1 times [2025-03-08 21:36:01,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:01,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290109388] [2025-03-08 21:36:01,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:01,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:36:01,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:36:01,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:01,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:01,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:01,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290109388] [2025-03-08 21:36:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290109388] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:01,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:01,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:01,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229103081] [2025-03-08 21:36:01,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:01,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:01,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:01,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:01,471 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:01,504 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2025-03-08 21:36:01,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 357 transitions, 734 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2025-03-08 21:36:01,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:01,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2025-03-08 21:36:01,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:01,816 INFO L124 PetriNetUnfolderBase]: 197/2060 cut-off events. [2025-03-08 21:36:01,816 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2025-03-08 21:36:01,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2444 conditions, 2060 events. 197/2060 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 15302 event pairs, 166 based on Foata normal form. 186/1888 useless extension candidates. Maximal degree in co-relation 1786. Up to 338 conditions per place. [2025-03-08 21:36:01,835 INFO L140 encePairwiseOnDemand]: 338/357 looper letters, 23 selfloop transitions, 1 changer transitions 8/337 dead transitions. [2025-03-08 21:36:01,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 337 transitions, 742 flow [2025-03-08 21:36:01,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:01,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2025-03-08 21:36:01,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9187675070028011 [2025-03-08 21:36:01,853 INFO L175 Difference]: Start difference. First operand has 341 places, 357 transitions, 734 flow. Second operand 3 states and 984 transitions. [2025-03-08 21:36:01,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 337 transitions, 742 flow [2025-03-08 21:36:01,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 337 transitions, 742 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:36:01,863 INFO L231 Difference]: Finished difference. Result has 337 places, 329 transitions, 680 flow [2025-03-08 21:36:01,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=680, PETRI_PLACES=337, PETRI_TRANSITIONS=329} [2025-03-08 21:36:01,868 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -4 predicate places. [2025-03-08 21:36:01,868 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 329 transitions, 680 flow [2025-03-08 21:36:01,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2025-03-08 21:36:01,869 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:01,869 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] [2025-03-08 21:36:01,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:36:01,869 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:01,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1382349041, now seen corresponding path program 1 times [2025-03-08 21:36:01,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:01,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258440059] [2025-03-08 21:36:01,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:01,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 21:36:01,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 21:36:01,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:01,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:01,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:01,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258440059] [2025-03-08 21:36:01,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258440059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:01,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:01,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:01,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386768906] [2025-03-08 21:36:01,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:01,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:01,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:01,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:01,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:01,971 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2025-03-08 21:36:01,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 329 transitions, 680 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2025-03-08 21:36:01,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:01,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2025-03-08 21:36:01,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:02,309 INFO L124 PetriNetUnfolderBase]: 120/2428 cut-off events. [2025-03-08 21:36:02,309 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2025-03-08 21:36:02,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2743 conditions, 2428 events. 120/2428 cut-off events. For 182/242 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 18332 event pairs, 84 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 1341. Up to 113 conditions per place. [2025-03-08 21:36:02,325 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/343 dead transitions. [2025-03-08 21:36:02,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 343 transitions, 790 flow [2025-03-08 21:36:02,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:02,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2025-03-08 21:36:02,327 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2025-03-08 21:36:02,328 INFO L175 Difference]: Start difference. First operand has 337 places, 329 transitions, 680 flow. Second operand 3 states and 1005 transitions. [2025-03-08 21:36:02,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 343 transitions, 790 flow [2025-03-08 21:36:02,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 343 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:02,332 INFO L231 Difference]: Finished difference. Result has 329 places, 328 transitions, 679 flow [2025-03-08 21:36:02,333 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=679, PETRI_PLACES=329, PETRI_TRANSITIONS=328} [2025-03-08 21:36:02,334 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -12 predicate places. [2025-03-08 21:36:02,334 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 328 transitions, 679 flow [2025-03-08 21:36:02,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2025-03-08 21:36:02,335 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:02,335 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] [2025-03-08 21:36:02,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:36:02,335 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:02,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:02,337 INFO L85 PathProgramCache]: Analyzing trace with hash -96722911, now seen corresponding path program 1 times [2025-03-08 21:36:02,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:02,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523590845] [2025-03-08 21:36:02,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:02,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:02,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 21:36:02,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 21:36:02,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:02,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:02,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:02,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:02,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523590845] [2025-03-08 21:36:02,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523590845] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:02,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:02,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:02,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241948611] [2025-03-08 21:36:02,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:02,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:02,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:02,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:02,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:02,409 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 357 [2025-03-08 21:36:02,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 329 places, 328 transitions, 679 flow. Second operand has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2025-03-08 21:36:02,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:02,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 357 [2025-03-08 21:36:02,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:02,863 INFO L124 PetriNetUnfolderBase]: 544/3303 cut-off events. [2025-03-08 21:36:02,864 INFO L125 PetriNetUnfolderBase]: For 206/266 co-relation queries the response was YES. [2025-03-08 21:36:02,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 3303 events. 544/3303 cut-off events. For 206/266 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 27143 event pairs, 116 based on Foata normal form. 5/2913 useless extension candidates. Maximal degree in co-relation 2202. Up to 785 conditions per place. [2025-03-08 21:36:02,889 INFO L140 encePairwiseOnDemand]: 341/357 looper letters, 33 selfloop transitions, 5 changer transitions 11/335 dead transitions. [2025-03-08 21:36:02,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 785 flow [2025-03-08 21:36:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2025-03-08 21:36:02,893 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2025-03-08 21:36:02,893 INFO L175 Difference]: Start difference. First operand has 329 places, 328 transitions, 679 flow. Second operand 3 states and 960 transitions. [2025-03-08 21:36:02,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 785 flow [2025-03-08 21:36:02,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 335 transitions, 784 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:02,901 INFO L231 Difference]: Finished difference. Result has 323 places, 313 transitions, 667 flow [2025-03-08 21:36:02,901 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=667, PETRI_PLACES=323, PETRI_TRANSITIONS=313} [2025-03-08 21:36:02,902 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -18 predicate places. [2025-03-08 21:36:02,902 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 313 transitions, 667 flow [2025-03-08 21:36:02,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.6666666666667) internal successors, (911), 3 states have internal predecessors, (911), 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) [2025-03-08 21:36:02,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:02,903 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] [2025-03-08 21:36:02,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:36:02,903 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:02,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:02,904 INFO L85 PathProgramCache]: Analyzing trace with hash -646479791, now seen corresponding path program 1 times [2025-03-08 21:36:02,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:02,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125326408] [2025-03-08 21:36:02,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:02,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:02,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-08 21:36:02,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-08 21:36:02,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:02,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:02,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125326408] [2025-03-08 21:36:02,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125326408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:02,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:02,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:02,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775188634] [2025-03-08 21:36:02,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:02,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:02,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:02,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:02,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:02,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2025-03-08 21:36:02,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 313 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2025-03-08 21:36:02,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:02,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2025-03-08 21:36:02,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:03,454 INFO L124 PetriNetUnfolderBase]: 644/5442 cut-off events. [2025-03-08 21:36:03,455 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2025-03-08 21:36:03,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6763 conditions, 5442 events. 644/5442 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 52979 event pairs, 548 based on Foata normal form. 0/4586 useless extension candidates. Maximal degree in co-relation 6140. Up to 1038 conditions per place. [2025-03-08 21:36:03,536 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2025-03-08 21:36:03,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 711 flow [2025-03-08 21:36:03,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:03,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2025-03-08 21:36:03,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9066293183940243 [2025-03-08 21:36:03,539 INFO L175 Difference]: Start difference. First operand has 323 places, 313 transitions, 667 flow. Second operand 3 states and 971 transitions. [2025-03-08 21:36:03,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 711 flow [2025-03-08 21:36:03,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:36:03,545 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 669 flow [2025-03-08 21:36:03,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=669, PETRI_PLACES=313, PETRI_TRANSITIONS=310} [2025-03-08 21:36:03,547 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2025-03-08 21:36:03,547 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 669 flow [2025-03-08 21:36:03,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 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) [2025-03-08 21:36:03,548 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:03,548 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] [2025-03-08 21:36:03,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:36:03,548 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:03,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:03,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2123121846, now seen corresponding path program 1 times [2025-03-08 21:36:03,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:03,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895423573] [2025-03-08 21:36:03,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:03,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:03,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-08 21:36:03,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-08 21:36:03,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:03,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:03,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:03,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895423573] [2025-03-08 21:36:03,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895423573] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:03,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:03,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:03,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087939712] [2025-03-08 21:36:03,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:03,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:03,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:03,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:03,626 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2025-03-08 21:36:03,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 310 transitions, 669 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2025-03-08 21:36:03,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:03,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2025-03-08 21:36:03,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:03,998 INFO L124 PetriNetUnfolderBase]: 396/3957 cut-off events. [2025-03-08 21:36:03,999 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2025-03-08 21:36:04,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4869 conditions, 3957 events. 396/3957 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 36246 event pairs, 324 based on Foata normal form. 0/3350 useless extension candidates. Maximal degree in co-relation 4413. Up to 666 conditions per place. [2025-03-08 21:36:04,019 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2025-03-08 21:36:04,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 717 flow [2025-03-08 21:36:04,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:04,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2025-03-08 21:36:04,023 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2025-03-08 21:36:04,023 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 669 flow. Second operand 3 states and 974 transitions. [2025-03-08 21:36:04,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 717 flow [2025-03-08 21:36:04,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 309 transitions, 717 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:36:04,030 INFO L231 Difference]: Finished difference. Result has 314 places, 309 transitions, 671 flow [2025-03-08 21:36:04,031 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=671, PETRI_PLACES=314, PETRI_TRANSITIONS=309} [2025-03-08 21:36:04,031 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -27 predicate places. [2025-03-08 21:36:04,033 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 309 transitions, 671 flow [2025-03-08 21:36:04,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2025-03-08 21:36:04,033 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:04,033 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] [2025-03-08 21:36:04,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:36:04,034 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:04,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:04,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1442831950, now seen corresponding path program 1 times [2025-03-08 21:36:04,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:04,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059808605] [2025-03-08 21:36:04,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:04,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:04,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-08 21:36:04,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-08 21:36:04,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:04,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:04,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:04,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:04,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059808605] [2025-03-08 21:36:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059808605] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:04,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:04,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 21:36:04,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596532440] [2025-03-08 21:36:04,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:04,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:04,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:04,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:04,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:04,096 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2025-03-08 21:36:04,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 309 transitions, 671 flow. Second operand has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2025-03-08 21:36:04,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:04,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2025-03-08 21:36:04,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:04,356 INFO L124 PetriNetUnfolderBase]: 260/3163 cut-off events. [2025-03-08 21:36:04,356 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2025-03-08 21:36:04,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3830 conditions, 3163 events. 260/3163 cut-off events. For 182/242 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 27469 event pairs, 200 based on Foata normal form. 2/2672 useless extension candidates. Maximal degree in co-relation 3465. Up to 444 conditions per place. [2025-03-08 21:36:04,371 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 22 selfloop transitions, 0 changer transitions 1/308 dead transitions. [2025-03-08 21:36:04,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 308 transitions, 712 flow [2025-03-08 21:36:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:04,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2025-03-08 21:36:04,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9103641456582633 [2025-03-08 21:36:04,373 INFO L175 Difference]: Start difference. First operand has 314 places, 309 transitions, 671 flow. Second operand 3 states and 975 transitions. [2025-03-08 21:36:04,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 308 transitions, 712 flow [2025-03-08 21:36:04,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 704 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-03-08 21:36:04,379 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 658 flow [2025-03-08 21:36:04,379 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=658, PETRI_PLACES=313, PETRI_TRANSITIONS=307} [2025-03-08 21:36:04,381 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2025-03-08 21:36:04,381 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 658 flow [2025-03-08 21:36:04,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 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) [2025-03-08 21:36:04,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:04,381 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] [2025-03-08 21:36:04,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:36:04,381 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:04,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:04,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1115049641, now seen corresponding path program 1 times [2025-03-08 21:36:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493820630] [2025-03-08 21:36:04,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:04,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-08 21:36:04,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-08 21:36:04,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:04,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:04,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:04,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493820630] [2025-03-08 21:36:04,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493820630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:04,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:04,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:04,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733993234] [2025-03-08 21:36:04,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:04,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:04,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:04,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:04,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:04,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2025-03-08 21:36:04,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 307 transitions, 658 flow. Second operand has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2025-03-08 21:36:04,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:04,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2025-03-08 21:36:04,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:04,673 INFO L124 PetriNetUnfolderBase]: 122/2376 cut-off events. [2025-03-08 21:36:04,674 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2025-03-08 21:36:04,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2794 conditions, 2376 events. 122/2376 cut-off events. For 182/242 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 17798 event pairs, 84 based on Foata normal form. 0/2064 useless extension candidates. Maximal degree in co-relation 2787. Up to 113 conditions per place. [2025-03-08 21:36:04,689 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2025-03-08 21:36:04,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 321 transitions, 768 flow [2025-03-08 21:36:04,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:04,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2025-03-08 21:36:04,691 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2025-03-08 21:36:04,691 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 658 flow. Second operand 3 states and 1005 transitions. [2025-03-08 21:36:04,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 321 transitions, 768 flow [2025-03-08 21:36:04,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 321 transitions, 766 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:04,696 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 656 flow [2025-03-08 21:36:04,696 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=656, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2025-03-08 21:36:04,697 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2025-03-08 21:36:04,697 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 656 flow [2025-03-08 21:36:04,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 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) [2025-03-08 21:36:04,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:04,698 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] [2025-03-08 21:36:04,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 21:36:04,698 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:04,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:04,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1731541226, now seen corresponding path program 1 times [2025-03-08 21:36:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063409570] [2025-03-08 21:36:04,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:04,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:04,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-08 21:36:04,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-08 21:36:04,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:04,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:04,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:04,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063409570] [2025-03-08 21:36:04,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063409570] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:04,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:04,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:04,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597866148] [2025-03-08 21:36:04,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:04,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:04,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:04,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:04,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:04,761 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2025-03-08 21:36:04,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 656 flow. Second operand has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2025-03-08 21:36:04,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:04,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2025-03-08 21:36:04,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:05,227 INFO L124 PetriNetUnfolderBase]: 488/4220 cut-off events. [2025-03-08 21:36:05,227 INFO L125 PetriNetUnfolderBase]: For 246/390 co-relation queries the response was YES. [2025-03-08 21:36:05,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5330 conditions, 4220 events. 488/4220 cut-off events. For 246/390 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 39948 event pairs, 412 based on Foata normal form. 0/3506 useless extension candidates. Maximal degree in co-relation 5323. Up to 830 conditions per place. [2025-03-08 21:36:05,256 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 25 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2025-03-08 21:36:05,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 305 transitions, 708 flow [2025-03-08 21:36:05,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2025-03-08 21:36:05,259 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056956115779645 [2025-03-08 21:36:05,259 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 656 flow. Second operand 3 states and 970 transitions. [2025-03-08 21:36:05,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 305 transitions, 708 flow [2025-03-08 21:36:05,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 305 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:05,265 INFO L231 Difference]: Finished difference. Result has 312 places, 305 transitions, 657 flow [2025-03-08 21:36:05,266 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=653, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=657, PETRI_PLACES=312, PETRI_TRANSITIONS=305} [2025-03-08 21:36:05,268 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2025-03-08 21:36:05,269 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 305 transitions, 657 flow [2025-03-08 21:36:05,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 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) [2025-03-08 21:36:05,269 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:05,269 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] [2025-03-08 21:36:05,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 21:36:05,269 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:05,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:05,270 INFO L85 PathProgramCache]: Analyzing trace with hash 190578519, now seen corresponding path program 1 times [2025-03-08 21:36:05,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:05,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817112707] [2025-03-08 21:36:05,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:05,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-08 21:36:05,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-08 21:36:05,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:05,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:05,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:05,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817112707] [2025-03-08 21:36:05,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817112707] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:05,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:05,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337229496] [2025-03-08 21:36:05,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:05,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:05,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:05,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:05,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:05,316 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2025-03-08 21:36:05,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 305 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2025-03-08 21:36:05,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:05,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2025-03-08 21:36:05,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:05,668 INFO L124 PetriNetUnfolderBase]: 514/4563 cut-off events. [2025-03-08 21:36:05,668 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2025-03-08 21:36:05,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5667 conditions, 4563 events. 514/4563 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 43432 event pairs, 432 based on Foata normal form. 0/3846 useless extension candidates. Maximal degree in co-relation 5660. Up to 836 conditions per place. [2025-03-08 21:36:05,694 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2025-03-08 21:36:05,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 304 transitions, 705 flow [2025-03-08 21:36:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:05,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:05,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2025-03-08 21:36:05,697 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2025-03-08 21:36:05,697 INFO L175 Difference]: Start difference. First operand has 312 places, 305 transitions, 657 flow. Second operand 3 states and 974 transitions. [2025-03-08 21:36:05,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 304 transitions, 705 flow [2025-03-08 21:36:05,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 304 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:36:05,701 INFO L231 Difference]: Finished difference. Result has 311 places, 304 transitions, 655 flow [2025-03-08 21:36:05,701 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=655, PETRI_PLACES=311, PETRI_TRANSITIONS=304} [2025-03-08 21:36:05,702 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -30 predicate places. [2025-03-08 21:36:05,702 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 304 transitions, 655 flow [2025-03-08 21:36:05,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 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) [2025-03-08 21:36:05,703 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:05,703 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] [2025-03-08 21:36:05,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 21:36:05,703 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:05,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:05,703 INFO L85 PathProgramCache]: Analyzing trace with hash -136799155, now seen corresponding path program 1 times [2025-03-08 21:36:05,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:05,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180056092] [2025-03-08 21:36:05,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:05,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:05,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 21:36:05,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 21:36:05,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:05,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:05,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:05,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180056092] [2025-03-08 21:36:05,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180056092] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:05,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:05,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:05,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598675391] [2025-03-08 21:36:05,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:05,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:05,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:05,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:05,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:05,750 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 357 [2025-03-08 21:36:05,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 304 transitions, 655 flow. Second operand has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2025-03-08 21:36:05,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:05,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 357 [2025-03-08 21:36:05,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:06,102 INFO L124 PetriNetUnfolderBase]: 440/3867 cut-off events. [2025-03-08 21:36:06,102 INFO L125 PetriNetUnfolderBase]: For 234/310 co-relation queries the response was YES. [2025-03-08 21:36:06,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4885 conditions, 3867 events. 440/3867 cut-off events. For 234/310 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 35933 event pairs, 368 based on Foata normal form. 0/3282 useless extension candidates. Maximal degree in co-relation 4878. Up to 748 conditions per place. [2025-03-08 21:36:06,116 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 24 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2025-03-08 21:36:06,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 303 transitions, 705 flow [2025-03-08 21:36:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2025-03-08 21:36:06,118 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.907563025210084 [2025-03-08 21:36:06,118 INFO L175 Difference]: Start difference. First operand has 311 places, 304 transitions, 655 flow. Second operand 3 states and 972 transitions. [2025-03-08 21:36:06,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 303 transitions, 705 flow [2025-03-08 21:36:06,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 303 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:36:06,121 INFO L231 Difference]: Finished difference. Result has 310 places, 303 transitions, 653 flow [2025-03-08 21:36:06,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=310, PETRI_TRANSITIONS=303} [2025-03-08 21:36:06,122 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -31 predicate places. [2025-03-08 21:36:06,122 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 303 transitions, 653 flow [2025-03-08 21:36:06,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 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) [2025-03-08 21:36:06,123 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:06,123 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] [2025-03-08 21:36:06,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 21:36:06,123 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:06,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:06,124 INFO L85 PathProgramCache]: Analyzing trace with hash -408041453, now seen corresponding path program 1 times [2025-03-08 21:36:06,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:06,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487500757] [2025-03-08 21:36:06,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:06,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:06,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 21:36:06,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 21:36:06,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:06,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:06,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:06,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487500757] [2025-03-08 21:36:06,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487500757] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:06,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:06,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:06,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613324391] [2025-03-08 21:36:06,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:06,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:06,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:06,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:06,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:06,180 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 357 [2025-03-08 21:36:06,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 303 transitions, 653 flow. Second operand has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:36:06,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:06,181 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 357 [2025-03-08 21:36:06,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:06,517 INFO L124 PetriNetUnfolderBase]: 362/4085 cut-off events. [2025-03-08 21:36:06,517 INFO L125 PetriNetUnfolderBase]: For 322/1314 co-relation queries the response was YES. [2025-03-08 21:36:06,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5110 conditions, 4085 events. 362/4085 cut-off events. For 322/1314 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 37717 event pairs, 268 based on Foata normal form. 0/3580 useless extension candidates. Maximal degree in co-relation 5103. Up to 630 conditions per place. [2025-03-08 21:36:06,544 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 27 selfloop transitions, 1 changer transitions 0/297 dead transitions. [2025-03-08 21:36:06,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 297 transitions, 697 flow [2025-03-08 21:36:06,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2025-03-08 21:36:06,546 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8944911297852475 [2025-03-08 21:36:06,546 INFO L175 Difference]: Start difference. First operand has 310 places, 303 transitions, 653 flow. Second operand 3 states and 958 transitions. [2025-03-08 21:36:06,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 297 transitions, 697 flow [2025-03-08 21:36:06,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 297 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:36:06,550 INFO L231 Difference]: Finished difference. Result has 304 places, 297 transitions, 639 flow [2025-03-08 21:36:06,551 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=637, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=639, PETRI_PLACES=304, PETRI_TRANSITIONS=297} [2025-03-08 21:36:06,551 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -37 predicate places. [2025-03-08 21:36:06,551 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 297 transitions, 639 flow [2025-03-08 21:36:06,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.0) internal successors, (927), 3 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 21:36:06,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:06,552 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] [2025-03-08 21:36:06,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 21:36:06,552 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:06,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:06,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1714253471, now seen corresponding path program 1 times [2025-03-08 21:36:06,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:06,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564273204] [2025-03-08 21:36:06,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:06,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:06,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-08 21:36:06,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-08 21:36:06,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:06,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:06,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564273204] [2025-03-08 21:36:06,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564273204] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:06,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:06,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:06,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380012535] [2025-03-08 21:36:06,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:06,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:06,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:06,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:06,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:06,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 357 [2025-03-08 21:36:06,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 297 transitions, 639 flow. Second operand has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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) [2025-03-08 21:36:06,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:06,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 357 [2025-03-08 21:36:06,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:06,849 INFO L124 PetriNetUnfolderBase]: 322/3123 cut-off events. [2025-03-08 21:36:06,849 INFO L125 PetriNetUnfolderBase]: For 394/494 co-relation queries the response was YES. [2025-03-08 21:36:06,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4066 conditions, 3123 events. 322/3123 cut-off events. For 394/494 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 25919 event pairs, 228 based on Foata normal form. 0/2820 useless extension candidates. Maximal degree in co-relation 4059. Up to 574 conditions per place. [2025-03-08 21:36:06,865 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 25 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2025-03-08 21:36:06,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 292 transitions, 681 flow [2025-03-08 21:36:06,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2025-03-08 21:36:06,867 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900093370681606 [2025-03-08 21:36:06,867 INFO L175 Difference]: Start difference. First operand has 304 places, 297 transitions, 639 flow. Second operand 3 states and 964 transitions. [2025-03-08 21:36:06,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 292 transitions, 681 flow [2025-03-08 21:36:06,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 292 transitions, 680 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:06,871 INFO L231 Difference]: Finished difference. Result has 300 places, 292 transitions, 630 flow [2025-03-08 21:36:06,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=300, PETRI_TRANSITIONS=292} [2025-03-08 21:36:06,871 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -41 predicate places. [2025-03-08 21:36:06,872 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 630 flow [2025-03-08 21:36:06,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.0) internal successors, (936), 3 states have internal predecessors, (936), 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) [2025-03-08 21:36:06,872 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:06,872 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] [2025-03-08 21:36:06,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-08 21:36:06,872 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:06,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:06,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1441613829, now seen corresponding path program 1 times [2025-03-08 21:36:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:06,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776009858] [2025-03-08 21:36:06,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:06,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:06,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 21:36:06,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 21:36:06,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:06,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:07,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:07,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776009858] [2025-03-08 21:36:07,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776009858] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:07,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:07,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:36:07,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677568175] [2025-03-08 21:36:07,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:07,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:36:07,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:07,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:36:07,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:36:07,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 357 [2025-03-08 21:36:07,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 292 transitions, 630 flow. Second operand has 6 states, 6 states have (on average 293.6666666666667) internal successors, (1762), 6 states have internal predecessors, (1762), 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) [2025-03-08 21:36:07,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:07,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 357 [2025-03-08 21:36:07,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:08,656 INFO L124 PetriNetUnfolderBase]: 2566/14629 cut-off events. [2025-03-08 21:36:08,657 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2025-03-08 21:36:08,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19408 conditions, 14629 events. 2566/14629 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 177724 event pairs, 1956 based on Foata normal form. 0/13230 useless extension candidates. Maximal degree in co-relation 19401. Up to 3973 conditions per place. [2025-03-08 21:36:08,703 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 59 selfloop transitions, 6 changer transitions 0/307 dead transitions. [2025-03-08 21:36:08,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 307 transitions, 790 flow [2025-03-08 21:36:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:36:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:36:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1818 transitions. [2025-03-08 21:36:08,706 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8487394957983193 [2025-03-08 21:36:08,706 INFO L175 Difference]: Start difference. First operand has 300 places, 292 transitions, 630 flow. Second operand 6 states and 1818 transitions. [2025-03-08 21:36:08,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 307 transitions, 790 flow [2025-03-08 21:36:08,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 307 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:08,710 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 639 flow [2025-03-08 21:36:08,711 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=303, PETRI_TRANSITIONS=291} [2025-03-08 21:36:08,711 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2025-03-08 21:36:08,711 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 639 flow [2025-03-08 21:36:08,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 293.6666666666667) internal successors, (1762), 6 states have internal predecessors, (1762), 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) [2025-03-08 21:36:08,712 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:08,712 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] [2025-03-08 21:36:08,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-08 21:36:08,713 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:08,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:08,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1929711213, now seen corresponding path program 1 times [2025-03-08 21:36:08,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:08,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735564023] [2025-03-08 21:36:08,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:08,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:08,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 21:36:08,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 21:36:08,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:08,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:08,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:08,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735564023] [2025-03-08 21:36:08,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735564023] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:08,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:08,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 21:36:08,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899351623] [2025-03-08 21:36:08,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:08,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 21:36:08,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:08,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 21:36:08,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-08 21:36:08,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 357 [2025-03-08 21:36:08,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 291 transitions, 639 flow. Second operand has 4 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 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) [2025-03-08 21:36:08,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:08,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 357 [2025-03-08 21:36:08,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:09,362 INFO L124 PetriNetUnfolderBase]: 610/4941 cut-off events. [2025-03-08 21:36:09,362 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2025-03-08 21:36:09,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6270 conditions, 4941 events. 610/4941 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 47207 event pairs, 437 based on Foata normal form. 36/4498 useless extension candidates. Maximal degree in co-relation 6263. Up to 673 conditions per place. [2025-03-08 21:36:09,382 INFO L140 encePairwiseOnDemand]: 344/357 looper letters, 58 selfloop transitions, 11 changer transitions 1/331 dead transitions. [2025-03-08 21:36:09,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 331 transitions, 883 flow [2025-03-08 21:36:09,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 21:36:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-08 21:36:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1320 transitions. [2025-03-08 21:36:09,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2025-03-08 21:36:09,385 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 639 flow. Second operand 4 states and 1320 transitions. [2025-03-08 21:36:09,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 331 transitions, 883 flow [2025-03-08 21:36:09,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 331 transitions, 871 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 21:36:09,389 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 709 flow [2025-03-08 21:36:09,389 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=627, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=709, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2025-03-08 21:36:09,389 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2025-03-08 21:36:09,389 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 709 flow [2025-03-08 21:36:09,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 313.5) internal successors, (1254), 4 states have internal predecessors, (1254), 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) [2025-03-08 21:36:09,390 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:09,390 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] [2025-03-08 21:36:09,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-08 21:36:09,390 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting funcAErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:09,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:09,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1451682649, now seen corresponding path program 1 times [2025-03-08 21:36:09,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:09,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365969108] [2025-03-08 21:36:09,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:09,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:09,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-08 21:36:09,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-08 21:36:09,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:09,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:09,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:09,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365969108] [2025-03-08 21:36:09,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365969108] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:09,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:09,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:09,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477588975] [2025-03-08 21:36:09,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:09,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:09,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:09,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:09,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:09,452 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 357 [2025-03-08 21:36:09,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 709 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2025-03-08 21:36:09,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:09,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 357 [2025-03-08 21:36:09,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:09,714 INFO L124 PetriNetUnfolderBase]: 268/2934 cut-off events. [2025-03-08 21:36:09,714 INFO L125 PetriNetUnfolderBase]: For 275/530 co-relation queries the response was YES. [2025-03-08 21:36:09,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3897 conditions, 2934 events. 268/2934 cut-off events. For 275/530 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 24340 event pairs, 166 based on Foata normal form. 0/2662 useless extension candidates. Maximal degree in co-relation 3888. Up to 443 conditions per place. [2025-03-08 21:36:09,732 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 30 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2025-03-08 21:36:09,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 312 transitions, 812 flow [2025-03-08 21:36:09,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2025-03-08 21:36:09,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.927170868347339 [2025-03-08 21:36:09,734 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 709 flow. Second operand 3 states and 993 transitions. [2025-03-08 21:36:09,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 312 transitions, 812 flow [2025-03-08 21:36:09,737 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 312 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:09,739 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 745 flow [2025-03-08 21:36:09,739 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=745, PETRI_PLACES=306, PETRI_TRANSITIONS=304} [2025-03-08 21:36:09,740 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -35 predicate places. [2025-03-08 21:36:09,740 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 745 flow [2025-03-08 21:36:09,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2025-03-08 21:36:09,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:09,740 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] [2025-03-08 21:36:09,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-08 21:36:09,741 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting funcAErr2ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:09,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:09,741 INFO L85 PathProgramCache]: Analyzing trace with hash 784468534, now seen corresponding path program 1 times [2025-03-08 21:36:09,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:09,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632097744] [2025-03-08 21:36:09,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:09,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:09,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-08 21:36:09,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-08 21:36:09,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:09,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:09,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:09,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:09,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632097744] [2025-03-08 21:36:09,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632097744] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:09,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:09,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:09,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285529860] [2025-03-08 21:36:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:09,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:09,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:09,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:09,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:09,799 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2025-03-08 21:36:09,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 304 transitions, 745 flow. Second operand has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2025-03-08 21:36:09,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:09,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2025-03-08 21:36:09,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:10,199 INFO L124 PetriNetUnfolderBase]: 355/4187 cut-off events. [2025-03-08 21:36:10,199 INFO L125 PetriNetUnfolderBase]: For 488/1056 co-relation queries the response was YES. [2025-03-08 21:36:10,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5686 conditions, 4187 events. 355/4187 cut-off events. For 488/1056 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 40636 event pairs, 93 based on Foata normal form. 2/3860 useless extension candidates. Maximal degree in co-relation 5676. Up to 507 conditions per place. [2025-03-08 21:36:10,223 INFO L140 encePairwiseOnDemand]: 348/357 looper letters, 36 selfloop transitions, 8 changer transitions 0/321 dead transitions. [2025-03-08 21:36:10,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 321 transitions, 888 flow [2025-03-08 21:36:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2025-03-08 21:36:10,225 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9290382819794585 [2025-03-08 21:36:10,225 INFO L175 Difference]: Start difference. First operand has 306 places, 304 transitions, 745 flow. Second operand 3 states and 995 transitions. [2025-03-08 21:36:10,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 321 transitions, 888 flow [2025-03-08 21:36:10,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 321 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:36:10,230 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 805 flow [2025-03-08 21:36:10,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=357, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=307, PETRI_TRANSITIONS=310} [2025-03-08 21:36:10,231 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -34 predicate places. [2025-03-08 21:36:10,231 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 805 flow [2025-03-08 21:36:10,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 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) [2025-03-08 21:36:10,231 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:10,231 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:36:10,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-08 21:36:10,232 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2025-03-08 21:36:10,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:10,232 INFO L85 PathProgramCache]: Analyzing trace with hash 2066345107, now seen corresponding path program 1 times [2025-03-08 21:36:10,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:10,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870752234] [2025-03-08 21:36:10,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:10,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:10,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 21:36:10,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 21:36:10,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:10,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:36:10,257 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 21:36:10,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-08 21:36:10,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-08 21:36:10,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:10,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 21:36:10,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 21:36:10,298 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 21:36:10,299 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2025-03-08 21:36:10,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2025-03-08 21:36:10,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2025-03-08 21:36:10,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2025-03-08 21:36:10,300 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2025-03-08 21:36:10,301 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2025-03-08 21:36:10,302 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2025-03-08 21:36:10,303 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2025-03-08 21:36:10,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-08 21:36:10,304 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:36:10,309 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-08 21:36:10,309 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-08 21:36:10,340 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-03-08 21:36:10,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 458 transitions, 960 flow [2025-03-08 21:36:10,532 INFO L124 PetriNetUnfolderBase]: 163/1958 cut-off events. [2025-03-08 21:36:10,532 INFO L125 PetriNetUnfolderBase]: For 72/74 co-relation queries the response was YES. [2025-03-08 21:36:10,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1958 events. 163/1958 cut-off events. For 72/74 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 12304 event pairs, 1 based on Foata normal form. 0/1599 useless extension candidates. Maximal degree in co-relation 1163. Up to 32 conditions per place. [2025-03-08 21:36:10,542 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 458 transitions, 960 flow [2025-03-08 21:36:10,550 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 458 transitions, 960 flow [2025-03-08 21:36:10,551 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:36:10,551 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;@71c863e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:36:10,551 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2025-03-08 21:36:10,552 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:36:10,552 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-08 21:36:10,552 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:36:10,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:10,552 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] [2025-03-08 21:36:10,552 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2025-03-08 21:36:10,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:10,552 INFO L85 PathProgramCache]: Analyzing trace with hash 932020433, now seen corresponding path program 1 times [2025-03-08 21:36:10,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:10,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823984396] [2025-03-08 21:36:10,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:10,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:10,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 21:36:10,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 21:36:10,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:10,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:10,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:10,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:10,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823984396] [2025-03-08 21:36:10,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823984396] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:10,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:10,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:10,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244869468] [2025-03-08 21:36:10,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:10,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:10,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:10,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:10,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:10,577 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 458 [2025-03-08 21:36:10,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 439 places, 458 transitions, 960 flow. Second operand has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2025-03-08 21:36:10,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:10,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 458 [2025-03-08 21:36:10,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:21,030 INFO L124 PetriNetUnfolderBase]: 18400/85864 cut-off events. [2025-03-08 21:36:21,030 INFO L125 PetriNetUnfolderBase]: For 7767/7767 co-relation queries the response was YES. [2025-03-08 21:36:21,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113081 conditions, 85864 events. 18400/85864 cut-off events. For 7767/7767 co-relation queries the response was YES. Maximal size of possible extension queue 1659. Compared 1311671 event pairs, 16524 based on Foata normal form. 9795/81880 useless extension candidates. Maximal degree in co-relation 87518. Up to 24187 conditions per place. [2025-03-08 21:36:22,119 INFO L140 encePairwiseOnDemand]: 437/458 looper letters, 38 selfloop transitions, 1 changer transitions 8/434 dead transitions. [2025-03-08 21:36:22,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 434 transitions, 990 flow [2025-03-08 21:36:22,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1250 transitions. [2025-03-08 21:36:22,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9097525473071325 [2025-03-08 21:36:22,122 INFO L175 Difference]: Start difference. First operand has 439 places, 458 transitions, 960 flow. Second operand 3 states and 1250 transitions. [2025-03-08 21:36:22,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 434 transitions, 990 flow [2025-03-08 21:36:22,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 434 transitions, 990 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:36:22,142 INFO L231 Difference]: Finished difference. Result has 433 places, 426 transitions, 898 flow [2025-03-08 21:36:22,142 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=912, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=433, PETRI_TRANSITIONS=426} [2025-03-08 21:36:22,143 INFO L279 CegarLoopForPetriNet]: 439 programPoint places, -6 predicate places. [2025-03-08 21:36:22,143 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 426 transitions, 898 flow [2025-03-08 21:36:22,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 397.6666666666667) internal successors, (1193), 3 states have internal predecessors, (1193), 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) [2025-03-08 21:36:22,143 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:22,143 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] [2025-03-08 21:36:22,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-08 21:36:22,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2025-03-08 21:36:22,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:22,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1172067343, now seen corresponding path program 1 times [2025-03-08 21:36:22,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:22,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772638905] [2025-03-08 21:36:22,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:22,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:22,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-08 21:36:22,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-08 21:36:22,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:22,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:22,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:22,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:22,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772638905] [2025-03-08 21:36:22,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772638905] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:22,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:22,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:22,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856270432] [2025-03-08 21:36:22,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:22,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:22,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:22,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:22,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:22,178 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 458 [2025-03-08 21:36:22,179 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 426 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2025-03-08 21:36:22,179 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:22,179 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 458 [2025-03-08 21:36:22,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:35,649 INFO L124 PetriNetUnfolderBase]: 15480/93326 cut-off events. [2025-03-08 21:36:35,650 INFO L125 PetriNetUnfolderBase]: For 15606/17112 co-relation queries the response was YES. [2025-03-08 21:36:36,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120191 conditions, 93326 events. 15480/93326 cut-off events. For 15606/17112 co-relation queries the response was YES. Maximal size of possible extension queue 2196. Compared 1535470 event pairs, 13384 based on Foata normal form. 0/79189 useless extension candidates. Maximal degree in co-relation 60064. Up to 10394 conditions per place. [2025-03-08 21:36:36,882 INFO L140 encePairwiseOnDemand]: 456/458 looper letters, 61 selfloop transitions, 1 changer transitions 0/455 dead transitions. [2025-03-08 21:36:36,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 455 transitions, 1120 flow [2025-03-08 21:36:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2025-03-08 21:36:36,884 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9344978165938864 [2025-03-08 21:36:36,884 INFO L175 Difference]: Start difference. First operand has 433 places, 426 transitions, 898 flow. Second operand 3 states and 1284 transitions. [2025-03-08 21:36:36,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 455 transitions, 1120 flow [2025-03-08 21:36:36,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 455 transitions, 1119 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:36:36,928 INFO L231 Difference]: Finished difference. Result has 425 places, 425 transitions, 897 flow [2025-03-08 21:36:36,928 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=895, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=897, PETRI_PLACES=425, PETRI_TRANSITIONS=425} [2025-03-08 21:36:36,928 INFO L279 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2025-03-08 21:36:36,928 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 425 transitions, 897 flow [2025-03-08 21:36:36,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 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) [2025-03-08 21:36:36,929 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:36,929 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] [2025-03-08 21:36:36,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-08 21:36:36,929 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [funcAErr6ASSERT_VIOLATIONDATA_RACE, funcAErr5ASSERT_VIOLATIONDATA_RACE, funcAErr4ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2025-03-08 21:36:36,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1974219031, now seen corresponding path program 1 times [2025-03-08 21:36:36,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:36,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537474741] [2025-03-08 21:36:36,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:36,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 21:36:36,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 21:36:36,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:36,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:36,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:36,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537474741] [2025-03-08 21:36:36,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537474741] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:36,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:36,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:36,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392974348] [2025-03-08 21:36:36,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:36,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:36,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:36,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:36,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:36,965 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 458 [2025-03-08 21:36:36,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 425 transitions, 897 flow. Second operand has 3 states, 3 states have (on average 383.6666666666667) internal successors, (1151), 3 states have internal predecessors, (1151), 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) [2025-03-08 21:36:36,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:36,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 458 [2025-03-08 21:36:36,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand