./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3-race.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB --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-dev-d790fec [2024-11-27 20:11:21,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:11:21,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:11:21,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:11:21,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:11:21,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:11:21,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:11:21,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:11:21,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:11:21,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:11:21,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:11:21,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:11:21,963 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:11:21,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:11:21,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:11:21,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:11:21,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:11:21,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:11:21,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:11:21,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:11:21,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:11:21,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:11:21,967 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:11:21,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:11:21,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:11:21,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:11:21,968 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:11:21,968 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:11:21,968 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:11:21,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:21,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:21,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:21,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:21,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:11:21,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:11:21,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:11:21,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:11:21,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:11:21,971 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:11:21,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:11:21,971 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB 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 [2024-11-27 20:11:22,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:11:22,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:11:22,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:11:22,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:11:22,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:11:22,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread/twostage_3-race.i [2024-11-27 20:11:26,306 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/data/3cc6e94fe/1c96756968414357b648b2b479a800ba/FLAGcebde6cc6 [2024-11-27 20:11:26,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:11:26,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/sv-benchmarks/c/pthread/twostage_3-race.i [2024-11-27 20:11:26,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/data/3cc6e94fe/1c96756968414357b648b2b479a800ba/FLAGcebde6cc6 [2024-11-27 20:11:26,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/data/3cc6e94fe/1c96756968414357b648b2b479a800ba [2024-11-27 20:11:26,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:11:26,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:11:26,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:26,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:11:26,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:11:26,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:26" (1/1) ... [2024-11-27 20:11:26,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a22ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:26, skipping insertion in model container [2024-11-27 20:11:26,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:11:26" (1/1) ... [2024-11-27 20:11:26,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:11:28,034 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 20:11:28,035 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 20:11:28,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:28,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:11:28,223 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 20:11:28,225 WARN L1675 CHandler]: Possible shadowing of function lock [2024-11-27 20:11:28,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:11:28,351 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:11:28,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28 WrapperNode [2024-11-27 20:11:28,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:11:28,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:28,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:11:28,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:11:28,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,439 INFO L138 Inliner]: procedures = 373, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 272 [2024-11-27 20:11:28,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:11:28,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:11:28,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:11:28,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:11:28,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,471 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:11:28,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:11:28,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:11:28,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:11:28,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (1/1) ... [2024-11-27 20:11:28,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:11:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:28,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:11:28,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b878a65-59d9-42b5-8cc9-f84b3d10d5ec/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:11:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure funcA [2024-11-27 20:11:28,587 INFO L138 BoogieDeclarations]: Found implementation of procedure funcA [2024-11-27 20:11:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure funcB [2024-11-27 20:11:28,587 INFO L138 BoogieDeclarations]: Found implementation of procedure funcB [2024-11-27 20:11:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:11:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:11:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:11:28,590 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:11:28,867 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:11:28,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:11:29,624 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:11:29,624 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:11:29,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:11:29,690 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-27 20:11:29,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:29 BoogieIcfgContainer [2024-11-27 20:11:29,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:11:29,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:11:29,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:11:29,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:11:29,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:11:26" (1/3) ... [2024-11-27 20:11:29,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e08ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:29, skipping insertion in model container [2024-11-27 20:11:29,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:11:28" (2/3) ... [2024-11-27 20:11:29,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e08ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:29, skipping insertion in model container [2024-11-27 20:11:29,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:29" (3/3) ... [2024-11-27 20:11:29,713 INFO L128 eAbstractionObserver]: Analyzing ICFG twostage_3-race.i [2024-11-27 20:11:29,736 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:11:29,738 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. [2024-11-27 20:11:29,738 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:11:29,880 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-27 20:11:29,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 357 transitions, 734 flow [2024-11-27 20:11:30,307 INFO L124 PetriNetUnfolderBase]: 43/670 cut-off events. [2024-11-27 20:11:30,310 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-27 20:11:30,330 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 16. Compared 2840 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. [2024-11-27 20:11:30,330 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 357 transitions, 734 flow [2024-11-27 20:11:30,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 341 places, 357 transitions, 734 flow [2024-11-27 20:11:30,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:11:30,392 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;@61de039d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:11:30,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-11-27 20:11:30,401 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:11:30,402 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-27 20:11:30,402 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:11:30,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:30,403 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] [2024-11-27 20:11:30,404 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:30,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash -273341926, now seen corresponding path program 1 times [2024-11-27 20:11:30,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:30,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982460909] [2024-11-27 20:11:30,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:30,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:30,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:30,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982460909] [2024-11-27 20:11:30,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982460909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:30,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:30,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:30,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655233669] [2024-11-27 20:11:30,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:30,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:30,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:30,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:30,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:30,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-11-27 20:11:30,855 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) [2024-11-27 20:11:30,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:30,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-11-27 20:11:30,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:31,751 INFO L124 PetriNetUnfolderBase]: 197/2060 cut-off events. [2024-11-27 20:11:31,752 INFO L125 PetriNetUnfolderBase]: For 88/88 co-relation queries the response was YES. [2024-11-27 20:11:31,765 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 45. Compared 15293 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. [2024-11-27 20:11:31,783 INFO L140 encePairwiseOnDemand]: 338/357 looper letters, 23 selfloop transitions, 1 changer transitions 8/337 dead transitions. [2024-11-27 20:11:31,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 337 transitions, 742 flow [2024-11-27 20:11:31,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 984 transitions. [2024-11-27 20:11:31,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9187675070028011 [2024-11-27 20:11:31,822 INFO L175 Difference]: Start difference. First operand has 341 places, 357 transitions, 734 flow. Second operand 3 states and 984 transitions. [2024-11-27 20:11:31,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 337 transitions, 742 flow [2024-11-27 20:11:31,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 337 transitions, 742 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:11:31,849 INFO L231 Difference]: Finished difference. Result has 337 places, 329 transitions, 680 flow [2024-11-27 20:11:31,854 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} [2024-11-27 20:11:31,861 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -4 predicate places. [2024-11-27 20:11:31,861 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 329 transitions, 680 flow [2024-11-27 20:11:31,863 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) [2024-11-27 20:11:31,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:31,864 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] [2024-11-27 20:11:31,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:11:31,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:31,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:31,866 INFO L85 PathProgramCache]: Analyzing trace with hash 116298917, now seen corresponding path program 1 times [2024-11-27 20:11:31,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:31,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727418183] [2024-11-27 20:11:31,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:32,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727418183] [2024-11-27 20:11:32,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727418183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:32,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:32,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:32,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984452033] [2024-11-27 20:11:32,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:32,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:32,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:32,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:32,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:32,120 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2024-11-27 20:11:32,122 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) [2024-11-27 20:11:32,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:32,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2024-11-27 20:11:32,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:33,117 INFO L124 PetriNetUnfolderBase]: 120/2428 cut-off events. [2024-11-27 20:11:33,118 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2024-11-27 20:11:33,128 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 18401 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. [2024-11-27 20:11:33,142 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/343 dead transitions. [2024-11-27 20:11:33,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 343 transitions, 790 flow [2024-11-27 20:11:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-11-27 20:11:33,149 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-11-27 20:11:33,149 INFO L175 Difference]: Start difference. First operand has 337 places, 329 transitions, 680 flow. Second operand 3 states and 1005 transitions. [2024-11-27 20:11:33,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 343 transitions, 790 flow [2024-11-27 20:11:33,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 343 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:33,163 INFO L231 Difference]: Finished difference. Result has 329 places, 328 transitions, 679 flow [2024-11-27 20:11:33,164 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} [2024-11-27 20:11:33,165 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -12 predicate places. [2024-11-27 20:11:33,166 INFO L471 AbstractCegarLoop]: Abstraction has has 329 places, 328 transitions, 679 flow [2024-11-27 20:11:33,167 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) [2024-11-27 20:11:33,167 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:33,167 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] [2024-11-27 20:11:33,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:11:33,168 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:33,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:33,170 INFO L85 PathProgramCache]: Analyzing trace with hash -689977061, now seen corresponding path program 1 times [2024-11-27 20:11:33,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:33,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169202625] [2024-11-27 20:11:33,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:33,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:33,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:33,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169202625] [2024-11-27 20:11:33,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169202625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:33,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:33,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:33,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288812798] [2024-11-27 20:11:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:33,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:33,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:33,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:33,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:33,284 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 357 [2024-11-27 20:11:33,285 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) [2024-11-27 20:11:33,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:33,288 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 357 [2024-11-27 20:11:33,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:34,229 INFO L124 PetriNetUnfolderBase]: 544/3303 cut-off events. [2024-11-27 20:11:34,229 INFO L125 PetriNetUnfolderBase]: For 206/266 co-relation queries the response was YES. [2024-11-27 20:11:34,242 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 27125 event pairs, 116 based on Foata normal form. 5/2897 useless extension candidates. Maximal degree in co-relation 2202. Up to 785 conditions per place. [2024-11-27 20:11:34,264 INFO L140 encePairwiseOnDemand]: 341/357 looper letters, 33 selfloop transitions, 5 changer transitions 11/335 dead transitions. [2024-11-27 20:11:34,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 335 transitions, 785 flow [2024-11-27 20:11:34,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:34,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2024-11-27 20:11:34,277 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.896358543417367 [2024-11-27 20:11:34,277 INFO L175 Difference]: Start difference. First operand has 329 places, 328 transitions, 679 flow. Second operand 3 states and 960 transitions. [2024-11-27 20:11:34,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 335 transitions, 785 flow [2024-11-27 20:11:34,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 322 places, 335 transitions, 784 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:34,287 INFO L231 Difference]: Finished difference. Result has 323 places, 313 transitions, 667 flow [2024-11-27 20:11:34,288 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} [2024-11-27 20:11:34,290 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -18 predicate places. [2024-11-27 20:11:34,290 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 313 transitions, 667 flow [2024-11-27 20:11:34,291 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) [2024-11-27 20:11:34,291 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:34,291 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] [2024-11-27 20:11:34,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:11:34,291 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:34,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:34,293 INFO L85 PathProgramCache]: Analyzing trace with hash -283365252, now seen corresponding path program 1 times [2024-11-27 20:11:34,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:34,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132252402] [2024-11-27 20:11:34,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:34,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:34,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132252402] [2024-11-27 20:11:34,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132252402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:34,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:34,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:34,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902523387] [2024-11-27 20:11:34,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:34,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:34,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:34,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:34,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:34,481 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-11-27 20:11:34,483 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) [2024-11-27 20:11:34,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:34,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-11-27 20:11:34,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:35,871 INFO L124 PetriNetUnfolderBase]: 644/5442 cut-off events. [2024-11-27 20:11:35,871 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-27 20:11:35,895 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 115. Compared 52931 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. [2024-11-27 20:11:35,921 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2024-11-27 20:11:35,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 310 transitions, 711 flow [2024-11-27 20:11:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:35,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 971 transitions. [2024-11-27 20:11:35,926 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9066293183940243 [2024-11-27 20:11:35,927 INFO L175 Difference]: Start difference. First operand has 323 places, 313 transitions, 667 flow. Second operand 3 states and 971 transitions. [2024-11-27 20:11:35,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 310 transitions, 711 flow [2024-11-27 20:11:35,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 310 transitions, 711 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:11:35,938 INFO L231 Difference]: Finished difference. Result has 313 places, 310 transitions, 669 flow [2024-11-27 20:11:35,939 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} [2024-11-27 20:11:35,941 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2024-11-27 20:11:35,942 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 310 transitions, 669 flow [2024-11-27 20:11:35,943 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) [2024-11-27 20:11:35,943 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:35,943 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] [2024-11-27 20:11:35,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:11:35,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:35,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash -207012381, now seen corresponding path program 1 times [2024-11-27 20:11:35,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:35,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10227486] [2024-11-27 20:11:35,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:35,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:36,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:36,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10227486] [2024-11-27 20:11:36,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10227486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:36,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:36,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:36,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121262245] [2024-11-27 20:11:36,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:36,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:36,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:36,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:36,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:36,090 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2024-11-27 20:11:36,092 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) [2024-11-27 20:11:36,092 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:36,092 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2024-11-27 20:11:36,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:37,055 INFO L124 PetriNetUnfolderBase]: 396/3957 cut-off events. [2024-11-27 20:11:37,056 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-27 20:11:37,076 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 36297 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. [2024-11-27 20:11:37,096 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2024-11-27 20:11:37,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 309 transitions, 717 flow [2024-11-27 20:11:37,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-11-27 20:11:37,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2024-11-27 20:11:37,103 INFO L175 Difference]: Start difference. First operand has 313 places, 310 transitions, 669 flow. Second operand 3 states and 974 transitions. [2024-11-27 20:11:37,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 309 transitions, 717 flow [2024-11-27 20:11:37,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 309 transitions, 717 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:11:37,112 INFO L231 Difference]: Finished difference. Result has 314 places, 309 transitions, 671 flow [2024-11-27 20:11:37,113 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} [2024-11-27 20:11:37,114 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -27 predicate places. [2024-11-27 20:11:37,115 INFO L471 AbstractCegarLoop]: Abstraction has has 314 places, 309 transitions, 671 flow [2024-11-27 20:11:37,117 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) [2024-11-27 20:11:37,117 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:37,118 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] [2024-11-27 20:11:37,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:11:37,118 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:37,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:37,119 INFO L85 PathProgramCache]: Analyzing trace with hash 742163168, now seen corresponding path program 1 times [2024-11-27 20:11:37,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:37,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119964454] [2024-11-27 20:11:37,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:37,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:37,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:37,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119964454] [2024-11-27 20:11:37,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119964454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:37,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:37,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:11:37,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455195714] [2024-11-27 20:11:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:37,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:37,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:37,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:37,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:37,237 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2024-11-27 20:11:37,239 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) [2024-11-27 20:11:37,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:37,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2024-11-27 20:11:37,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:38,165 INFO L124 PetriNetUnfolderBase]: 260/3163 cut-off events. [2024-11-27 20:11:38,166 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2024-11-27 20:11:38,186 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 27376 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. [2024-11-27 20:11:38,208 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 22 selfloop transitions, 0 changer transitions 1/308 dead transitions. [2024-11-27 20:11:38,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 308 transitions, 712 flow [2024-11-27 20:11:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:38,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 975 transitions. [2024-11-27 20:11:38,213 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9103641456582633 [2024-11-27 20:11:38,213 INFO L175 Difference]: Start difference. First operand has 314 places, 309 transitions, 671 flow. Second operand 3 states and 975 transitions. [2024-11-27 20:11:38,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 308 transitions, 712 flow [2024-11-27 20:11:38,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 308 transitions, 704 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-27 20:11:38,226 INFO L231 Difference]: Finished difference. Result has 313 places, 307 transitions, 658 flow [2024-11-27 20:11:38,227 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} [2024-11-27 20:11:38,228 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -28 predicate places. [2024-11-27 20:11:38,228 INFO L471 AbstractCegarLoop]: Abstraction has has 313 places, 307 transitions, 658 flow [2024-11-27 20:11:38,229 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) [2024-11-27 20:11:38,230 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:38,230 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] [2024-11-27 20:11:38,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:11:38,230 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:38,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:38,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1004995681, now seen corresponding path program 1 times [2024-11-27 20:11:38,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:38,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953711192] [2024-11-27 20:11:38,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:38,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:38,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:38,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953711192] [2024-11-27 20:11:38,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953711192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:38,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:38,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:38,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353313472] [2024-11-27 20:11:38,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:38,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:38,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:38,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:38,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:38,344 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 357 [2024-11-27 20:11:38,347 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) [2024-11-27 20:11:38,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:38,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 357 [2024-11-27 20:11:38,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:39,090 INFO L124 PetriNetUnfolderBase]: 122/2376 cut-off events. [2024-11-27 20:11:39,091 INFO L125 PetriNetUnfolderBase]: For 182/242 co-relation queries the response was YES. [2024-11-27 20:11:39,105 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 17895 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. [2024-11-27 20:11:39,117 INFO L140 encePairwiseOnDemand]: 355/357 looper letters, 31 selfloop transitions, 1 changer transitions 0/321 dead transitions. [2024-11-27 20:11:39,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 321 transitions, 768 flow [2024-11-27 20:11:39,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1005 transitions. [2024-11-27 20:11:39,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.938375350140056 [2024-11-27 20:11:39,123 INFO L175 Difference]: Start difference. First operand has 313 places, 307 transitions, 658 flow. Second operand 3 states and 1005 transitions. [2024-11-27 20:11:39,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 321 transitions, 768 flow [2024-11-27 20:11:39,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 321 transitions, 766 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:39,133 INFO L231 Difference]: Finished difference. Result has 312 places, 306 transitions, 656 flow [2024-11-27 20:11:39,134 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} [2024-11-27 20:11:39,135 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2024-11-27 20:11:39,135 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 656 flow [2024-11-27 20:11:39,136 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) [2024-11-27 20:11:39,136 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:39,136 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] [2024-11-27 20:11:39,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:11:39,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:39,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:39,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1314580538, now seen corresponding path program 1 times [2024-11-27 20:11:39,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:39,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353000344] [2024-11-27 20:11:39,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:39,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:39,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353000344] [2024-11-27 20:11:39,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353000344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:39,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:39,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:39,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438282549] [2024-11-27 20:11:39,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:39,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:39,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:39,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:39,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:39,320 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 357 [2024-11-27 20:11:39,322 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) [2024-11-27 20:11:39,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:39,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 357 [2024-11-27 20:11:39,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:40,156 INFO L124 PetriNetUnfolderBase]: 488/4220 cut-off events. [2024-11-27 20:11:40,157 INFO L125 PetriNetUnfolderBase]: For 246/390 co-relation queries the response was YES. [2024-11-27 20:11:40,183 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 39670 event pairs, 412 based on Foata normal form. 0/3508 useless extension candidates. Maximal degree in co-relation 5323. Up to 830 conditions per place. [2024-11-27 20:11:40,204 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 25 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2024-11-27 20:11:40,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 305 transitions, 708 flow [2024-11-27 20:11:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 970 transitions. [2024-11-27 20:11:40,212 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9056956115779645 [2024-11-27 20:11:40,212 INFO L175 Difference]: Start difference. First operand has 312 places, 306 transitions, 656 flow. Second operand 3 states and 970 transitions. [2024-11-27 20:11:40,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 305 transitions, 708 flow [2024-11-27 20:11:40,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 305 transitions, 707 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:40,221 INFO L231 Difference]: Finished difference. Result has 312 places, 305 transitions, 657 flow [2024-11-27 20:11:40,222 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} [2024-11-27 20:11:40,222 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -29 predicate places. [2024-11-27 20:11:40,223 INFO L471 AbstractCegarLoop]: Abstraction has has 312 places, 305 transitions, 657 flow [2024-11-27 20:11:40,224 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) [2024-11-27 20:11:40,224 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:40,224 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] [2024-11-27 20:11:40,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:11:40,224 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:40,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:40,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1235531822, now seen corresponding path program 1 times [2024-11-27 20:11:40,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:40,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060681351] [2024-11-27 20:11:40,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:40,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:40,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:40,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:40,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060681351] [2024-11-27 20:11:40,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060681351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:40,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:40,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:40,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916957222] [2024-11-27 20:11:40,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:40,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:40,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:40,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:40,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:40,322 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 357 [2024-11-27 20:11:40,323 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) [2024-11-27 20:11:40,324 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:40,324 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 357 [2024-11-27 20:11:40,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:41,173 INFO L124 PetriNetUnfolderBase]: 514/4563 cut-off events. [2024-11-27 20:11:41,174 INFO L125 PetriNetUnfolderBase]: For 176/176 co-relation queries the response was YES. [2024-11-27 20:11:41,195 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 43568 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. [2024-11-27 20:11:41,213 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 23 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2024-11-27 20:11:41,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 304 transitions, 705 flow [2024-11-27 20:11:41,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2024-11-27 20:11:41,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9094304388422035 [2024-11-27 20:11:41,217 INFO L175 Difference]: Start difference. First operand has 312 places, 305 transitions, 657 flow. Second operand 3 states and 974 transitions. [2024-11-27 20:11:41,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 304 transitions, 705 flow [2024-11-27 20:11:41,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 304 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:41,225 INFO L231 Difference]: Finished difference. Result has 311 places, 304 transitions, 655 flow [2024-11-27 20:11:41,225 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} [2024-11-27 20:11:41,226 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -30 predicate places. [2024-11-27 20:11:41,226 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 304 transitions, 655 flow [2024-11-27 20:11:41,227 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) [2024-11-27 20:11:41,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:41,228 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] [2024-11-27 20:11:41,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:11:41,228 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:41,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:41,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2013121820, now seen corresponding path program 1 times [2024-11-27 20:11:41,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96283179] [2024-11-27 20:11:41,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:41,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:41,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96283179] [2024-11-27 20:11:41,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96283179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:41,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:41,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:41,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057825184] [2024-11-27 20:11:41,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:41,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:41,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:41,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:41,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:41,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 357 [2024-11-27 20:11:41,331 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) [2024-11-27 20:11:41,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:41,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 357 [2024-11-27 20:11:41,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:42,121 INFO L124 PetriNetUnfolderBase]: 440/3867 cut-off events. [2024-11-27 20:11:42,122 INFO L125 PetriNetUnfolderBase]: For 234/310 co-relation queries the response was YES. [2024-11-27 20:11:42,134 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 35680 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. [2024-11-27 20:11:42,142 INFO L140 encePairwiseOnDemand]: 354/357 looper letters, 24 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2024-11-27 20:11:42,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 303 transitions, 705 flow [2024-11-27 20:11:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:42,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2024-11-27 20:11:42,146 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.907563025210084 [2024-11-27 20:11:42,146 INFO L175 Difference]: Start difference. First operand has 311 places, 304 transitions, 655 flow. Second operand 3 states and 972 transitions. [2024-11-27 20:11:42,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 303 transitions, 705 flow [2024-11-27 20:11:42,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 303 transitions, 701 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:42,153 INFO L231 Difference]: Finished difference. Result has 310 places, 303 transitions, 653 flow [2024-11-27 20:11:42,154 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} [2024-11-27 20:11:42,155 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -31 predicate places. [2024-11-27 20:11:42,156 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 303 transitions, 653 flow [2024-11-27 20:11:42,157 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) [2024-11-27 20:11:42,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:42,157 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] [2024-11-27 20:11:42,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:11:42,158 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:42,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:42,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2059468113, now seen corresponding path program 1 times [2024-11-27 20:11:42,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:42,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466177213] [2024-11-27 20:11:42,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:42,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:42,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:42,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466177213] [2024-11-27 20:11:42,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466177213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:42,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:42,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:42,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413459128] [2024-11-27 20:11:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:42,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:42,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:42,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:42,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:42,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 357 [2024-11-27 20:11:42,298 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) [2024-11-27 20:11:42,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:42,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 357 [2024-11-27 20:11:42,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:43,024 INFO L124 PetriNetUnfolderBase]: 362/4085 cut-off events. [2024-11-27 20:11:43,024 INFO L125 PetriNetUnfolderBase]: For 322/1314 co-relation queries the response was YES. [2024-11-27 20:11:43,040 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 37835 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. [2024-11-27 20:11:43,052 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 27 selfloop transitions, 1 changer transitions 0/297 dead transitions. [2024-11-27 20:11:43,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 297 transitions, 697 flow [2024-11-27 20:11:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2024-11-27 20:11:43,055 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8944911297852475 [2024-11-27 20:11:43,055 INFO L175 Difference]: Start difference. First operand has 310 places, 303 transitions, 653 flow. Second operand 3 states and 958 transitions. [2024-11-27 20:11:43,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 297 transitions, 697 flow [2024-11-27 20:11:43,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 297 transitions, 693 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:43,063 INFO L231 Difference]: Finished difference. Result has 304 places, 297 transitions, 639 flow [2024-11-27 20:11:43,064 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} [2024-11-27 20:11:43,065 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -37 predicate places. [2024-11-27 20:11:43,065 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 297 transitions, 639 flow [2024-11-27 20:11:43,066 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) [2024-11-27 20:11:43,066 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:43,066 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] [2024-11-27 20:11:43,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:11:43,067 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:43,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1415706165, now seen corresponding path program 1 times [2024-11-27 20:11:43,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:43,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421351501] [2024-11-27 20:11:43,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:43,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421351501] [2024-11-27 20:11:43,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421351501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:43,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:43,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:43,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679994665] [2024-11-27 20:11:43,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:43,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:43,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:43,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:43,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:43,189 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 357 [2024-11-27 20:11:43,190 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) [2024-11-27 20:11:43,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:43,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 357 [2024-11-27 20:11:43,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:43,816 INFO L124 PetriNetUnfolderBase]: 322/3123 cut-off events. [2024-11-27 20:11:43,816 INFO L125 PetriNetUnfolderBase]: For 394/494 co-relation queries the response was YES. [2024-11-27 20:11:43,827 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 26005 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. [2024-11-27 20:11:43,836 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 25 selfloop transitions, 1 changer transitions 0/292 dead transitions. [2024-11-27 20:11:43,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 292 transitions, 681 flow [2024-11-27 20:11:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 964 transitions. [2024-11-27 20:11:43,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900093370681606 [2024-11-27 20:11:43,840 INFO L175 Difference]: Start difference. First operand has 304 places, 297 transitions, 639 flow. Second operand 3 states and 964 transitions. [2024-11-27 20:11:43,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 292 transitions, 681 flow [2024-11-27 20:11:43,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 292 transitions, 680 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:43,848 INFO L231 Difference]: Finished difference. Result has 300 places, 292 transitions, 630 flow [2024-11-27 20:11:43,849 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} [2024-11-27 20:11:43,852 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -41 predicate places. [2024-11-27 20:11:43,853 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 292 transitions, 630 flow [2024-11-27 20:11:43,854 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) [2024-11-27 20:11:43,854 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:43,854 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] [2024-11-27 20:11:43,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:11:43,854 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:43,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1857550961, now seen corresponding path program 1 times [2024-11-27 20:11:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457482542] [2024-11-27 20:11:43,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:43,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:44,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:44,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457482542] [2024-11-27 20:11:44,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457482542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:44,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:44,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:11:44,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963847644] [2024-11-27 20:11:44,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:44,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:11:44,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:44,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:11:44,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:11:45,370 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 292 out of 357 [2024-11-27 20:11:45,374 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) [2024-11-27 20:11:45,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:45,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 292 of 357 [2024-11-27 20:11:45,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:47,496 INFO L124 PetriNetUnfolderBase]: 2566/14595 cut-off events. [2024-11-27 20:11:47,496 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-11-27 20:11:47,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19374 conditions, 14595 events. 2566/14595 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 339. Compared 177286 event pairs, 1956 based on Foata normal form. 0/13188 useless extension candidates. Maximal degree in co-relation 19367. Up to 3973 conditions per place. [2024-11-27 20:11:47,577 INFO L140 encePairwiseOnDemand]: 350/357 looper letters, 59 selfloop transitions, 6 changer transitions 0/307 dead transitions. [2024-11-27 20:11:47,577 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 307 transitions, 790 flow [2024-11-27 20:11:47,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:11:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:11:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1818 transitions. [2024-11-27 20:11:47,580 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8487394957983193 [2024-11-27 20:11:47,581 INFO L175 Difference]: Start difference. First operand has 300 places, 292 transitions, 630 flow. Second operand 6 states and 1818 transitions. [2024-11-27 20:11:47,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 307 transitions, 790 flow [2024-11-27 20:11:47,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 307 transitions, 789 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:47,588 INFO L231 Difference]: Finished difference. Result has 303 places, 291 transitions, 639 flow [2024-11-27 20:11:47,588 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} [2024-11-27 20:11:47,589 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2024-11-27 20:11:47,589 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 291 transitions, 639 flow [2024-11-27 20:11:47,590 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) [2024-11-27 20:11:47,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:47,590 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] [2024-11-27 20:11:47,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:11:47,590 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:47,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:47,591 INFO L85 PathProgramCache]: Analyzing trace with hash 293861445, now seen corresponding path program 1 times [2024-11-27 20:11:47,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:47,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484816023] [2024-11-27 20:11:47,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:47,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:47,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:47,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484816023] [2024-11-27 20:11:47,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484816023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:47,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:47,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:11:47,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154161684] [2024-11-27 20:11:47,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:47,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:11:47,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:47,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:11:47,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:11:48,000 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 357 [2024-11-27 20:11:48,003 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) [2024-11-27 20:11:48,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:48,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 357 [2024-11-27 20:11:48,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:49,030 INFO L124 PetriNetUnfolderBase]: 610/4941 cut-off events. [2024-11-27 20:11:49,030 INFO L125 PetriNetUnfolderBase]: For 154/154 co-relation queries the response was YES. [2024-11-27 20:11:49,044 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 101. Compared 47136 event pairs, 437 based on Foata normal form. 36/4494 useless extension candidates. Maximal degree in co-relation 6263. Up to 673 conditions per place. [2024-11-27 20:11:49,056 INFO L140 encePairwiseOnDemand]: 344/357 looper letters, 58 selfloop transitions, 11 changer transitions 1/331 dead transitions. [2024-11-27 20:11:49,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 331 transitions, 883 flow [2024-11-27 20:11:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:11:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:11:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1320 transitions. [2024-11-27 20:11:49,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9243697478991597 [2024-11-27 20:11:49,061 INFO L175 Difference]: Start difference. First operand has 303 places, 291 transitions, 639 flow. Second operand 4 states and 1320 transitions. [2024-11-27 20:11:49,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 331 transitions, 883 flow [2024-11-27 20:11:49,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 331 transitions, 871 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:11:49,070 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 709 flow [2024-11-27 20:11:49,071 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} [2024-11-27 20:11:49,072 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -38 predicate places. [2024-11-27 20:11:49,072 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 709 flow [2024-11-27 20:11:49,073 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) [2024-11-27 20:11:49,073 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:49,073 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] [2024-11-27 20:11:49,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:11:49,074 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting funcAErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:49,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:49,075 INFO L85 PathProgramCache]: Analyzing trace with hash -323001577, now seen corresponding path program 1 times [2024-11-27 20:11:49,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:49,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523863555] [2024-11-27 20:11:49,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:49,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:49,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:49,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523863555] [2024-11-27 20:11:49,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523863555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:49,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:49,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:49,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911320385] [2024-11-27 20:11:49,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:49,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:49,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:49,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:49,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:49,188 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 357 [2024-11-27 20:11:49,189 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) [2024-11-27 20:11:49,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:49,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 357 [2024-11-27 20:11:49,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:49,792 INFO L124 PetriNetUnfolderBase]: 268/2934 cut-off events. [2024-11-27 20:11:49,792 INFO L125 PetriNetUnfolderBase]: For 275/530 co-relation queries the response was YES. [2024-11-27 20:11:49,807 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 24387 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. [2024-11-27 20:11:49,816 INFO L140 encePairwiseOnDemand]: 351/357 looper letters, 30 selfloop transitions, 5 changer transitions 0/312 dead transitions. [2024-11-27 20:11:49,817 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 312 transitions, 812 flow [2024-11-27 20:11:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 993 transitions. [2024-11-27 20:11:49,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.927170868347339 [2024-11-27 20:11:49,820 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 709 flow. Second operand 3 states and 993 transitions. [2024-11-27 20:11:49,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 312 transitions, 812 flow [2024-11-27 20:11:49,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 312 transitions, 810 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:11:49,828 INFO L231 Difference]: Finished difference. Result has 306 places, 304 transitions, 745 flow [2024-11-27 20:11:49,829 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} [2024-11-27 20:11:49,830 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -35 predicate places. [2024-11-27 20:11:49,830 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 304 transitions, 745 flow [2024-11-27 20:11:49,831 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) [2024-11-27 20:11:49,831 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:49,831 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] [2024-11-27 20:11:49,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:11:49,832 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting funcAErr4ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:49,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:49,833 INFO L85 PathProgramCache]: Analyzing trace with hash 347194073, now seen corresponding path program 1 times [2024-11-27 20:11:49,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:49,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452386981] [2024-11-27 20:11:49,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:49,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:49,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:49,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452386981] [2024-11-27 20:11:49,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452386981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:49,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:49,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:49,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356983483] [2024-11-27 20:11:49,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:49,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:49,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:49,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:49,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:49,947 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 357 [2024-11-27 20:11:49,949 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) [2024-11-27 20:11:49,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:49,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 357 [2024-11-27 20:11:49,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:11:50,890 INFO L124 PetriNetUnfolderBase]: 355/4187 cut-off events. [2024-11-27 20:11:50,890 INFO L125 PetriNetUnfolderBase]: For 488/1056 co-relation queries the response was YES. [2024-11-27 20:11:50,903 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 40746 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. [2024-11-27 20:11:50,912 INFO L140 encePairwiseOnDemand]: 348/357 looper letters, 36 selfloop transitions, 8 changer transitions 0/321 dead transitions. [2024-11-27 20:11:50,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 321 transitions, 888 flow [2024-11-27 20:11:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:11:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:11:50,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2024-11-27 20:11:50,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9290382819794585 [2024-11-27 20:11:50,915 INFO L175 Difference]: Start difference. First operand has 306 places, 304 transitions, 745 flow. Second operand 3 states and 995 transitions. [2024-11-27 20:11:50,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 321 transitions, 888 flow [2024-11-27 20:11:50,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 321 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:11:50,921 INFO L231 Difference]: Finished difference. Result has 307 places, 310 transitions, 805 flow [2024-11-27 20:11:50,921 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} [2024-11-27 20:11:50,922 INFO L279 CegarLoopForPetriNet]: 341 programPoint places, -34 predicate places. [2024-11-27 20:11:50,922 INFO L471 AbstractCegarLoop]: Abstraction has has 307 places, 310 transitions, 805 flow [2024-11-27 20:11:50,923 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) [2024-11-27 20:11:50,923 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:50,924 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] [2024-11-27 20:11:50,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:11:50,924 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2024-11-27 20:11:50,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:50,925 INFO L85 PathProgramCache]: Analyzing trace with hash 62987466, now seen corresponding path program 1 times [2024-11-27 20:11:50,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:50,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944574615] [2024-11-27 20:11:50,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:50,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:11:50,962 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:11:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:11:51,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:11:51,061 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:11:51,063 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 61 remaining) [2024-11-27 20:11:51,066 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (59 of 61 remaining) [2024-11-27 20:11:51,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (58 of 61 remaining) [2024-11-27 20:11:51,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (57 of 61 remaining) [2024-11-27 20:11:51,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (56 of 61 remaining) [2024-11-27 20:11:51,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (55 of 61 remaining) [2024-11-27 20:11:51,068 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (54 of 61 remaining) [2024-11-27 20:11:51,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (53 of 61 remaining) [2024-11-27 20:11:51,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 61 remaining) [2024-11-27 20:11:51,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (51 of 61 remaining) [2024-11-27 20:11:51,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 61 remaining) [2024-11-27 20:11:51,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (48 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (47 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (45 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (44 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (43 of 61 remaining) [2024-11-27 20:11:51,070 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (42 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (41 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (39 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (38 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (37 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (36 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (35 of 61 remaining) [2024-11-27 20:11:51,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (34 of 61 remaining) [2024-11-27 20:11:51,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (33 of 61 remaining) [2024-11-27 20:11:51,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (32 of 61 remaining) [2024-11-27 20:11:51,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (31 of 61 remaining) [2024-11-27 20:11:51,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (30 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (29 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (28 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (27 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (26 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (24 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (23 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (22 of 61 remaining) [2024-11-27 20:11:51,073 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (21 of 61 remaining) [2024-11-27 20:11:51,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (20 of 61 remaining) [2024-11-27 20:11:51,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (19 of 61 remaining) [2024-11-27 20:11:51,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (18 of 61 remaining) [2024-11-27 20:11:51,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (17 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (16 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr0ASSERT_VIOLATIONDATA_RACE (15 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr1ASSERT_VIOLATIONDATA_RACE (14 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr2ASSERT_VIOLATIONDATA_RACE (13 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr3ASSERT_VIOLATIONDATA_RACE (12 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr4ASSERT_VIOLATIONDATA_RACE (11 of 61 remaining) [2024-11-27 20:11:51,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr5ASSERT_VIOLATIONDATA_RACE (10 of 61 remaining) [2024-11-27 20:11:51,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcAErr6ASSERT_VIOLATIONDATA_RACE (9 of 61 remaining) [2024-11-27 20:11:51,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr0ASSERT_VIOLATIONDATA_RACE (8 of 61 remaining) [2024-11-27 20:11:51,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr1ASSERT_VIOLATIONDATA_RACE (7 of 61 remaining) [2024-11-27 20:11:51,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr2ASSERT_VIOLATIONDATA_RACE (6 of 61 remaining) [2024-11-27 20:11:51,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr3ASSERT_VIOLATIONDATA_RACE (5 of 61 remaining) [2024-11-27 20:11:51,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr4ASSERT_VIOLATIONDATA_RACE (4 of 61 remaining) [2024-11-27 20:11:51,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr5ASSERT_VIOLATIONDATA_RACE (3 of 61 remaining) [2024-11-27 20:11:51,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr6ASSERT_VIOLATIONDATA_RACE (2 of 61 remaining) [2024-11-27 20:11:51,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr7ASSERT_VIOLATIONDATA_RACE (1 of 61 remaining) [2024-11-27 20:11:51,078 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location funcBErr8ASSERT_VIOLATIONDATA_RACE (0 of 61 remaining) [2024-11-27 20:11:51,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:11:51,078 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:51,082 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-27 20:11:51,083 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-27 20:11:51,174 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-27 20:11:51,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 439 places, 458 transitions, 960 flow [2024-11-27 20:11:51,653 INFO L124 PetriNetUnfolderBase]: 163/1958 cut-off events. [2024-11-27 20:11:51,653 INFO L125 PetriNetUnfolderBase]: For 72/74 co-relation queries the response was YES. [2024-11-27 20:11:51,682 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 12305 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. [2024-11-27 20:11:51,682 INFO L82 GeneralOperation]: Start removeDead. Operand has 439 places, 458 transitions, 960 flow [2024-11-27 20:11:51,711 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 439 places, 458 transitions, 960 flow [2024-11-27 20:11:51,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:11:51,717 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;@61de039d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:11:51,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-11-27 20:11:51,720 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:11:51,720 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-11-27 20:11:51,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:11:51,720 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:11:51,720 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] [2024-11-27 20:11:51,720 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-27 20:11:51,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:51,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1187026462, now seen corresponding path program 1 times [2024-11-27 20:11:51,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:51,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12192810] [2024-11-27 20:11:51,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:11:51,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:51,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12192810] [2024-11-27 20:11:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12192810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:11:51,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:11:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:11:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820119515] [2024-11-27 20:11:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:51,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:11:51,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:51,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:11:51,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:11:51,783 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 397 out of 458 [2024-11-27 20:11:51,786 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) [2024-11-27 20:11:51,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:11:51,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 397 of 458 [2024-11-27 20:11:51,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:12:10,425 INFO L124 PetriNetUnfolderBase]: 18400/85864 cut-off events. [2024-11-27 20:12:10,425 INFO L125 PetriNetUnfolderBase]: For 7767/7767 co-relation queries the response was YES. [2024-11-27 20:12:11,140 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 1310774 event pairs, 16524 based on Foata normal form. 9795/81881 useless extension candidates. Maximal degree in co-relation 87518. Up to 24187 conditions per place. [2024-11-27 20:12:11,815 INFO L140 encePairwiseOnDemand]: 437/458 looper letters, 38 selfloop transitions, 1 changer transitions 8/434 dead transitions. [2024-11-27 20:12:11,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 434 transitions, 990 flow [2024-11-27 20:12:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:12:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1250 transitions. [2024-11-27 20:12:11,819 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9097525473071325 [2024-11-27 20:12:11,819 INFO L175 Difference]: Start difference. First operand has 439 places, 458 transitions, 960 flow. Second operand 3 states and 1250 transitions. [2024-11-27 20:12:11,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 434 transitions, 990 flow [2024-11-27 20:12:11,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 434 transitions, 990 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-27 20:12:11,854 INFO L231 Difference]: Finished difference. Result has 433 places, 426 transitions, 898 flow [2024-11-27 20:12:11,855 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} [2024-11-27 20:12:11,855 INFO L279 CegarLoopForPetriNet]: 439 programPoint places, -6 predicate places. [2024-11-27 20:12:11,856 INFO L471 AbstractCegarLoop]: Abstraction has has 433 places, 426 transitions, 898 flow [2024-11-27 20:12:11,856 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) [2024-11-27 20:12:11,857 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:12:11,857 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] [2024-11-27 20:12:11,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:12:11,857 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-27 20:12:11,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:11,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1856849829, now seen corresponding path program 1 times [2024-11-27 20:12:11,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:11,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871466325] [2024-11-27 20:12:11,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:11,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:11,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:11,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871466325] [2024-11-27 20:12:11,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871466325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:11,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:11,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:11,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621614373] [2024-11-27 20:12:11,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:11,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:11,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:11,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:11,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:11,926 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 458 [2024-11-27 20:12:11,928 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) [2024-11-27 20:12:11,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:12:11,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 458 [2024-11-27 20:12:11,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:12:35,177 INFO L124 PetriNetUnfolderBase]: 15480/93326 cut-off events. [2024-11-27 20:12:35,177 INFO L125 PetriNetUnfolderBase]: For 16224/17730 co-relation queries the response was YES. [2024-11-27 20:12:36,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120191 conditions, 93326 events. 15480/93326 cut-off events. For 16224/17730 co-relation queries the response was YES. Maximal size of possible extension queue 2196. Compared 1536825 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. [2024-11-27 20:12:36,977 INFO L140 encePairwiseOnDemand]: 456/458 looper letters, 61 selfloop transitions, 1 changer transitions 0/455 dead transitions. [2024-11-27 20:12:36,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 455 transitions, 1120 flow [2024-11-27 20:12:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:12:36,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:12:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1284 transitions. [2024-11-27 20:12:36,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9344978165938864 [2024-11-27 20:12:36,981 INFO L175 Difference]: Start difference. First operand has 433 places, 426 transitions, 898 flow. Second operand 3 states and 1284 transitions. [2024-11-27 20:12:36,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 455 transitions, 1120 flow [2024-11-27 20:12:37,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 455 transitions, 1119 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:12:37,057 INFO L231 Difference]: Finished difference. Result has 425 places, 425 transitions, 897 flow [2024-11-27 20:12:37,057 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} [2024-11-27 20:12:37,058 INFO L279 CegarLoopForPetriNet]: 439 programPoint places, -14 predicate places. [2024-11-27 20:12:37,058 INFO L471 AbstractCegarLoop]: Abstraction has has 425 places, 425 transitions, 897 flow [2024-11-27 20:12:37,058 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) [2024-11-27 20:12:37,058 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:12:37,058 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] [2024-11-27 20:12:37,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:12:37,059 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [funcAErr0ASSERT_VIOLATIONDATA_RACE, funcAErr1ASSERT_VIOLATIONDATA_RACE, funcAErr2ASSERT_VIOLATIONDATA_RACE, funcAErr3ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-27 20:12:37,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:37,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1727494115, now seen corresponding path program 1 times [2024-11-27 20:12:37,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:37,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671373862] [2024-11-27 20:12:37,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:37,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:12:37,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:37,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671373862] [2024-11-27 20:12:37,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671373862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:37,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:37,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:37,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843575036] [2024-11-27 20:12:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:37,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:12:37,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:37,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:12:37,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:12:37,141 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 383 out of 458 [2024-11-27 20:12:37,143 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) [2024-11-27 20:12:37,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:12:37,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 383 of 458 [2024-11-27 20:12:37,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand