./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX --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 22f5e9b8cea3fb6414e4865b1626afaeb55342d9f0f16512cd01a49134cc1f25 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:11:40,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:11:40,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-08 19:11:40,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:11:40,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:11:40,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:11:40,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:11:40,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:11:40,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:11:40,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:11:40,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:11:40,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:11:40,699 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:11:40,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:11:40,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:11:40,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:11:40,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:11:40,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:11:40,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:11:40,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:11:40,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:11:40,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:11:40,705 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 19:11:40,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:11:40,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:11:40,707 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:11:40,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:11:40,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:11:40,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:11:40,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:11:40,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:11:40,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:11:40,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:11:40,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:11:40,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:11:40,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:11:40,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:11:40,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:11:40,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:11:40,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:11:40,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:11:40,715 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22f5e9b8cea3fb6414e4865b1626afaeb55342d9f0f16512cd01a49134cc1f25 [2024-11-08 19:11:41,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:11:41,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:11:41,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:11:41,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:11:41,357 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:11:41,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-ext/25_stack_longer-1.i Unable to find full path for "g++" [2024-11-08 19:11:44,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:11:44,350 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:11:44,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/sv-benchmarks/c/pthread-ext/25_stack_longer-1.i [2024-11-08 19:11:44,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/data/2f1b042a7/ea8886b228a2449a828bf9f117717c93/FLAG2cc115506 [2024-11-08 19:11:44,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/data/2f1b042a7/ea8886b228a2449a828bf9f117717c93 [2024-11-08 19:11:44,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:11:44,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:11:44,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:11:44,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:11:44,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:11:44,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:11:44" (1/1) ... [2024-11-08 19:11:44,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638f85e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:44, skipping insertion in model container [2024-11-08 19:11:44,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:11:44" (1/1) ... [2024-11-08 19:11:44,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:11:45,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:11:45,325 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:11:45,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:11:45,477 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:11:45,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45 WrapperNode [2024-11-08 19:11:45,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:11:45,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:11:45,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:11:45,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:11:45,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,592 INFO L138 Inliner]: procedures = 171, calls = 36, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 810 [2024-11-08 19:11:45,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:11:45,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:11:45,594 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:11:45,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:11:45,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:11:45,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:11:45,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:11:45,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:11:45,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (1/1) ... [2024-11-08 19:11:45,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:11:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:11:45,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:11:45,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77f5bf02-7624-4a9b-9b8b-d14bafd4e1a1/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:11:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-08 19:11:45,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-08 19:11:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 19:11:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:11:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:11:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:11:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:11:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 19:11:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:11:45,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:11:45,772 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:11:45,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:11:45,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:11:47,360 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:11:47,362 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:11:47,563 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:11:47,567 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:11:47,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:11:47 BoogieIcfgContainer [2024-11-08 19:11:47,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:11:47,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:11:47,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:11:47,579 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:11:47,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:11:44" (1/3) ... [2024-11-08 19:11:47,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17232378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:11:47, skipping insertion in model container [2024-11-08 19:11:47,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:11:45" (2/3) ... [2024-11-08 19:11:47,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17232378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:11:47, skipping insertion in model container [2024-11-08 19:11:47,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:11:47" (3/3) ... [2024-11-08 19:11:47,583 INFO L112 eAbstractionObserver]: Analyzing ICFG 25_stack_longer-1.i [2024-11-08 19:11:47,609 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:11:47,609 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-08 19:11:47,611 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:11:47,775 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 19:11:47,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 794 places, 798 transitions, 1600 flow [2024-11-08 19:11:48,434 INFO L124 PetriNetUnfolderBase]: 8/807 cut-off events. [2024-11-08 19:11:48,435 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:11:48,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 807 events. 8/807 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 180 event pairs, 0 based on Foata normal form. 0/785 useless extension candidates. Maximal degree in co-relation 676. Up to 4 conditions per place. [2024-11-08 19:11:48,446 INFO L82 GeneralOperation]: Start removeDead. Operand has 794 places, 798 transitions, 1600 flow [2024-11-08 19:11:48,466 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 794 places, 798 transitions, 1600 flow [2024-11-08 19:11:48,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:11:48,498 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;@72c74e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:11:48,499 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2024-11-08 19:11:48,758 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:11:48,758 INFO L124 PetriNetUnfolderBase]: 2/690 cut-off events. [2024-11-08 19:11:48,758 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:11:48,759 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:11:48,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:48,762 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-08 19:11:48,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:48,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1408731856, now seen corresponding path program 1 times [2024-11-08 19:11:48,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:11:48,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223424284] [2024-11-08 19:11:48,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:11:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:50,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:11:50,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:11:50,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223424284] [2024-11-08 19:11:50,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223424284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:50,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:50,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:11:50,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172990703] [2024-11-08 19:11:50,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:50,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:11:50,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:11:50,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:11:50,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:11:50,944 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 778 out of 798 [2024-11-08 19:11:50,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 794 places, 798 transitions, 1600 flow. Second operand has 3 states, 3 states have (on average 779.3333333333334) internal successors, (2338), 3 states have internal predecessors, (2338), 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) [2024-11-08 19:11:50,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:11:50,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 778 of 798 [2024-11-08 19:11:50,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:11:51,327 INFO L124 PetriNetUnfolderBase]: 6/882 cut-off events. [2024-11-08 19:11:51,328 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 19:11:51,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 908 conditions, 882 events. 6/882 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 456 event pairs, 0 based on Foata normal form. 22/881 useless extension candidates. Maximal degree in co-relation 229. Up to 12 conditions per place. [2024-11-08 19:11:51,334 INFO L140 encePairwiseOnDemand]: 789/798 looper letters, 19 selfloop transitions, 2 changer transitions 0/795 dead transitions. [2024-11-08 19:11:51,335 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 788 places, 795 transitions, 1636 flow [2024-11-08 19:11:51,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:11:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:11:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2368 transitions. [2024-11-08 19:11:51,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9891395154553049 [2024-11-08 19:11:51,363 INFO L175 Difference]: Start difference. First operand has 794 places, 798 transitions, 1600 flow. Second operand 3 states and 2368 transitions. [2024-11-08 19:11:51,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 788 places, 795 transitions, 1636 flow [2024-11-08 19:11:51,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 788 places, 795 transitions, 1636 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:11:51,397 INFO L231 Difference]: Finished difference. Result has 788 places, 787 transitions, 1582 flow [2024-11-08 19:11:51,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=798, PETRI_DIFFERENCE_MINUEND_FLOW=1578, PETRI_DIFFERENCE_MINUEND_PLACES=786, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=785, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1582, PETRI_PLACES=788, PETRI_TRANSITIONS=787} [2024-11-08 19:11:51,409 INFO L277 CegarLoopForPetriNet]: 794 programPoint places, -6 predicate places. [2024-11-08 19:11:51,409 INFO L471 AbstractCegarLoop]: Abstraction has has 788 places, 787 transitions, 1582 flow [2024-11-08 19:11:51,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 779.3333333333334) internal successors, (2338), 3 states have internal predecessors, (2338), 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) [2024-11-08 19:11:51,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:11:51,413 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:51,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:11:51,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2024-11-08 19:11:51,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:51,417 INFO L85 PathProgramCache]: Analyzing trace with hash -717681216, now seen corresponding path program 1 times [2024-11-08 19:11:51,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:11:51,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472469718] [2024-11-08 19:11:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:51,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:11:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:11:52,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:11:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:11:52,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:11:52,971 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:11:52,974 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 25 remaining) [2024-11-08 19:11:52,977 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 25 remaining) [2024-11-08 19:11:52,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 25 remaining) [2024-11-08 19:11:52,980 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 25 remaining) [2024-11-08 19:11:52,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 25 remaining) [2024-11-08 19:11:52,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 25 remaining) [2024-11-08 19:11:52,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 25 remaining) [2024-11-08 19:11:52,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 25 remaining) [2024-11-08 19:11:52,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 25 remaining) [2024-11-08 19:11:52,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 25 remaining) [2024-11-08 19:11:52,983 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 25 remaining) [2024-11-08 19:11:52,984 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 25 remaining) [2024-11-08 19:11:52,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 25 remaining) [2024-11-08 19:11:52,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 25 remaining) [2024-11-08 19:11:52,985 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 25 remaining) [2024-11-08 19:11:52,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 25 remaining) [2024-11-08 19:11:52,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 25 remaining) [2024-11-08 19:11:52,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 25 remaining) [2024-11-08 19:11:52,986 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 25 remaining) [2024-11-08 19:11:52,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 25 remaining) [2024-11-08 19:11:52,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 25 remaining) [2024-11-08 19:11:52,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 25 remaining) [2024-11-08 19:11:52,987 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 25 remaining) [2024-11-08 19:11:52,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 25 remaining) [2024-11-08 19:11:52,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 25 remaining) [2024-11-08 19:11:52,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:11:52,990 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 19:11:52,995 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 19:11:52,995 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 19:11:53,095 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 19:11:53,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 909 places, 917 transitions, 1844 flow [2024-11-08 19:11:53,584 INFO L124 PetriNetUnfolderBase]: 15/937 cut-off events. [2024-11-08 19:11:53,585 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-08 19:11:53,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 937 events. 15/937 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 773 event pairs, 0 based on Foata normal form. 0/895 useless extension candidates. Maximal degree in co-relation 808. Up to 6 conditions per place. [2024-11-08 19:11:53,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 909 places, 917 transitions, 1844 flow [2024-11-08 19:11:53,606 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 909 places, 917 transitions, 1844 flow [2024-11-08 19:11:53,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:11:53,612 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;@72c74e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:11:53,612 INFO L334 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-11-08 19:11:53,793 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:11:53,794 INFO L124 PetriNetUnfolderBase]: 2/688 cut-off events. [2024-11-08 19:11:53,794 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:11:53,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:11:53,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:53,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-08 19:11:53,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:53,796 INFO L85 PathProgramCache]: Analyzing trace with hash -738849339, now seen corresponding path program 1 times [2024-11-08 19:11:53,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:11:53,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441013700] [2024-11-08 19:11:53,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:53,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:11:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:11:54,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:11:54,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441013700] [2024-11-08 19:11:54,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441013700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:54,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:54,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:11:54,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175443720] [2024-11-08 19:11:54,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:54,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:11:54,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:11:54,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:11:54,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:11:54,884 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 879 out of 917 [2024-11-08 19:11:54,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 909 places, 917 transitions, 1844 flow. Second operand has 3 states, 3 states have (on average 880.3333333333334) internal successors, (2641), 3 states have internal predecessors, (2641), 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) [2024-11-08 19:11:54,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:11:54,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 879 of 917 [2024-11-08 19:11:54,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:11:57,552 INFO L124 PetriNetUnfolderBase]: 450/4563 cut-off events. [2024-11-08 19:11:57,552 INFO L125 PetriNetUnfolderBase]: For 59/59 co-relation queries the response was YES. [2024-11-08 19:11:57,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5336 conditions, 4563 events. 450/4563 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 35199 event pairs, 121 based on Foata normal form. 395/4502 useless extension candidates. Maximal degree in co-relation 4333. Up to 356 conditions per place. [2024-11-08 19:11:57,607 INFO L140 encePairwiseOnDemand]: 899/917 looper letters, 47 selfloop transitions, 6 changer transitions 0/927 dead transitions. [2024-11-08 19:11:57,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 901 places, 927 transitions, 1975 flow [2024-11-08 19:11:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:11:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:11:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2712 transitions. [2024-11-08 19:11:57,617 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9858233369683751 [2024-11-08 19:11:57,617 INFO L175 Difference]: Start difference. First operand has 909 places, 917 transitions, 1844 flow. Second operand 3 states and 2712 transitions. [2024-11-08 19:11:57,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 901 places, 927 transitions, 1975 flow [2024-11-08 19:11:57,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 901 places, 927 transitions, 1975 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-08 19:11:57,645 INFO L231 Difference]: Finished difference. Result has 903 places, 908 transitions, 1866 flow [2024-11-08 19:11:57,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=917, PETRI_DIFFERENCE_MINUEND_FLOW=1814, PETRI_DIFFERENCE_MINUEND_PLACES=899, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=902, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=896, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1866, PETRI_PLACES=903, PETRI_TRANSITIONS=908} [2024-11-08 19:11:57,648 INFO L277 CegarLoopForPetriNet]: 909 programPoint places, -6 predicate places. [2024-11-08 19:11:57,649 INFO L471 AbstractCegarLoop]: Abstraction has has 903 places, 908 transitions, 1866 flow [2024-11-08 19:11:57,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 880.3333333333334) internal successors, (2641), 3 states have internal predecessors, (2641), 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) [2024-11-08 19:11:57,652 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:11:57,652 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:11:57,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:11:57,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-08 19:11:57,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:57,654 INFO L85 PathProgramCache]: Analyzing trace with hash 695141058, now seen corresponding path program 1 times [2024-11-08 19:11:57,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:11:57,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063742712] [2024-11-08 19:11:57,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:57,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:11:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:11:58,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:11:58,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063742712] [2024-11-08 19:11:58,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063742712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:58,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:58,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:11:58,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392052906] [2024-11-08 19:11:58,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:58,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:11:58,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:11:58,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:11:58,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:11:58,784 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 877 out of 917 [2024-11-08 19:11:58,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 903 places, 908 transitions, 1866 flow. Second operand has 3 states, 3 states have (on average 879.0) internal successors, (2637), 3 states have internal predecessors, (2637), 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) [2024-11-08 19:11:58,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:11:58,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 877 of 917 [2024-11-08 19:11:58,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:12:01,587 INFO L124 PetriNetUnfolderBase]: 658/5412 cut-off events. [2024-11-08 19:12:01,588 INFO L125 PetriNetUnfolderBase]: For 106/106 co-relation queries the response was YES. [2024-11-08 19:12:01,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6669 conditions, 5412 events. 658/5412 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 44747 event pairs, 305 based on Foata normal form. 0/4868 useless extension candidates. Maximal degree in co-relation 5630. Up to 975 conditions per place. [2024-11-08 19:12:01,658 INFO L140 encePairwiseOnDemand]: 909/917 looper letters, 37 selfloop transitions, 7 changer transitions 0/922 dead transitions. [2024-11-08 19:12:01,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 905 places, 922 transitions, 1987 flow [2024-11-08 19:12:01,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:12:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:12:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2676 transitions. [2024-11-08 19:12:01,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727371864776445 [2024-11-08 19:12:01,668 INFO L175 Difference]: Start difference. First operand has 903 places, 908 transitions, 1866 flow. Second operand 3 states and 2676 transitions. [2024-11-08 19:12:01,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 905 places, 922 transitions, 1987 flow [2024-11-08 19:12:01,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 903 places, 922 transitions, 1975 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:12:01,700 INFO L231 Difference]: Finished difference. Result has 905 places, 914 transitions, 1908 flow [2024-11-08 19:12:01,702 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=917, PETRI_DIFFERENCE_MINUEND_FLOW=1854, PETRI_DIFFERENCE_MINUEND_PLACES=901, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=908, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=901, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1908, PETRI_PLACES=905, PETRI_TRANSITIONS=914} [2024-11-08 19:12:01,705 INFO L277 CegarLoopForPetriNet]: 909 programPoint places, -4 predicate places. [2024-11-08 19:12:01,707 INFO L471 AbstractCegarLoop]: Abstraction has has 905 places, 914 transitions, 1908 flow [2024-11-08 19:12:01,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 879.0) internal successors, (2637), 3 states have internal predecessors, (2637), 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) [2024-11-08 19:12:01,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:12:01,711 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:01,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:12:01,712 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2024-11-08 19:12:01,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:01,713 INFO L85 PathProgramCache]: Analyzing trace with hash 870112565, now seen corresponding path program 1 times [2024-11-08 19:12:01,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:01,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381233242] [2024-11-08 19:12:01,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:01,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:12:02,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:12:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:12:02,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:12:02,955 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:12:02,955 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2024-11-08 19:12:02,956 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2024-11-08 19:12:02,956 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2024-11-08 19:12:02,957 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2024-11-08 19:12:02,957 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2024-11-08 19:12:02,957 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2024-11-08 19:12:02,957 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2024-11-08 19:12:02,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2024-11-08 19:12:02,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2024-11-08 19:12:02,958 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2024-11-08 19:12:02,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2024-11-08 19:12:02,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2024-11-08 19:12:02,959 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2024-11-08 19:12:02,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2024-11-08 19:12:02,960 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2024-11-08 19:12:02,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2024-11-08 19:12:02,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2024-11-08 19:12:02,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2024-11-08 19:12:02,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2024-11-08 19:12:02,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2024-11-08 19:12:02,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2024-11-08 19:12:02,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2024-11-08 19:12:02,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2024-11-08 19:12:02,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2024-11-08 19:12:02,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2024-11-08 19:12:02,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2024-11-08 19:12:02,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2024-11-08 19:12:02,969 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2024-11-08 19:12:02,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2024-11-08 19:12:02,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2024-11-08 19:12:02,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2024-11-08 19:12:02,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2024-11-08 19:12:02,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2024-11-08 19:12:02,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2024-11-08 19:12:02,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2024-11-08 19:12:02,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2024-11-08 19:12:02,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2024-11-08 19:12:02,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:12:02,972 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:12:02,972 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 19:12:02,977 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-08 19:12:03,109 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 19:12:03,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1024 places, 1036 transitions, 2090 flow [2024-11-08 19:12:03,622 INFO L124 PetriNetUnfolderBase]: 22/1067 cut-off events. [2024-11-08 19:12:03,622 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-08 19:12:03,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 1067 events. 22/1067 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1506 event pairs, 0 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 941. Up to 8 conditions per place. [2024-11-08 19:12:03,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 1024 places, 1036 transitions, 2090 flow [2024-11-08 19:12:03,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1024 places, 1036 transitions, 2090 flow [2024-11-08 19:12:03,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:12:03,654 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;@72c74e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:12:03,654 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-11-08 19:12:03,802 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:12:03,802 INFO L124 PetriNetUnfolderBase]: 2/688 cut-off events. [2024-11-08 19:12:03,802 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:12:03,802 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:12:03,803 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:03,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-08 19:12:03,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1236160485, now seen corresponding path program 1 times [2024-11-08 19:12:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468971799] [2024-11-08 19:12:03,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:12:04,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:12:04,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468971799] [2024-11-08 19:12:04,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468971799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:04,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:04,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:12:04,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972968477] [2024-11-08 19:12:04,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:04,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:12:04,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:12:04,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:12:04,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:12:04,630 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 1036 [2024-11-08 19:12:04,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1024 places, 1036 transitions, 2090 flow. Second operand has 3 states, 3 states have (on average 981.3333333333334) internal successors, (2944), 3 states have internal predecessors, (2944), 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) [2024-11-08 19:12:04,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:12:04,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 1036 [2024-11-08 19:12:04,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:12:32,541 INFO L124 PetriNetUnfolderBase]: 12204/65228 cut-off events. [2024-11-08 19:12:32,545 INFO L125 PetriNetUnfolderBase]: For 1891/1891 co-relation queries the response was YES. [2024-11-08 19:12:33,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82879 conditions, 65228 events. 12204/65228 cut-off events. For 1891/1891 co-relation queries the response was YES. Maximal size of possible extension queue 1072. Compared 951019 event pairs, 4002 based on Foata normal form. 6776/64401 useless extension candidates. Maximal degree in co-relation 75728. Up to 8357 conditions per place. [2024-11-08 19:12:33,673 INFO L140 encePairwiseOnDemand]: 1010/1036 looper letters, 71 selfloop transitions, 9 changer transitions 0/1054 dead transitions. [2024-11-08 19:12:33,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1013 places, 1054 transitions, 2298 flow [2024-11-08 19:12:33,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:12:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:12:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3051 transitions. [2024-11-08 19:12:33,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9816602316602316 [2024-11-08 19:12:33,682 INFO L175 Difference]: Start difference. First operand has 1024 places, 1036 transitions, 2090 flow. Second operand 3 states and 3051 transitions. [2024-11-08 19:12:33,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1013 places, 1054 transitions, 2298 flow [2024-11-08 19:12:33,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1013 places, 1054 transitions, 2294 flow, removed 2 selfloop flow, removed 0 redundant places. [2024-11-08 19:12:33,706 INFO L231 Difference]: Finished difference. Result has 1015 places, 1025 transitions, 2126 flow [2024-11-08 19:12:33,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1036, PETRI_DIFFERENCE_MINUEND_FLOW=2048, PETRI_DIFFERENCE_MINUEND_PLACES=1011, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1016, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1007, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2126, PETRI_PLACES=1015, PETRI_TRANSITIONS=1025} [2024-11-08 19:12:33,710 INFO L277 CegarLoopForPetriNet]: 1024 programPoint places, -9 predicate places. [2024-11-08 19:12:33,710 INFO L471 AbstractCegarLoop]: Abstraction has has 1015 places, 1025 transitions, 2126 flow [2024-11-08 19:12:33,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 981.3333333333334) internal successors, (2944), 3 states have internal predecessors, (2944), 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) [2024-11-08 19:12:33,713 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:12:33,713 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:33,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:12:33,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-08 19:12:33,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1790942408, now seen corresponding path program 1 times [2024-11-08 19:12:33,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:12:33,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089332920] [2024-11-08 19:12:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:33,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:12:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:12:34,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:12:34,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089332920] [2024-11-08 19:12:34,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089332920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:34,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:34,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:12:34,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346090761] [2024-11-08 19:12:34,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:34,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:12:34,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:12:34,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:12:34,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:12:34,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 980 out of 1036 [2024-11-08 19:12:34,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1015 places, 1025 transitions, 2126 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-08 19:12:34,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:12:34,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 980 of 1036 [2024-11-08 19:12:34,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:12:39,171 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3947] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][730], [1021#true, 709#L766-6true, 1029#(= |#race~state~0| 0), 1023#true, Black: 1027#true, 1004#L757-3true, 53#L757-3true, 1025#true, 1032#true, 858#L755-3true]) [2024-11-08 19:12:39,172 INFO L294 olderBase$Statistics]: this new event has 734 ancestors and is cut-off event [2024-11-08 19:12:39,172 INFO L297 olderBase$Statistics]: existing Event has 723 ancestors and is cut-off event [2024-11-08 19:12:39,172 INFO L297 olderBase$Statistics]: existing Event has 734 ancestors and is cut-off event [2024-11-08 19:12:39,172 INFO L297 olderBase$Statistics]: existing Event has 723 ancestors and is cut-off event [2024-11-08 19:12:40,556 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3711] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][779], [1027#true, 1021#true, 709#L766-6true, 1023#true, Black: 1029#(= |#race~state~0| 0), 1004#L757-3true, 490#L705true, 1025#true, 821#L757-3true, 1032#true]) [2024-11-08 19:12:40,556 INFO L294 olderBase$Statistics]: this new event has 741 ancestors and is cut-off event [2024-11-08 19:12:40,557 INFO L297 olderBase$Statistics]: existing Event has 730 ancestors and is cut-off event [2024-11-08 19:12:40,557 INFO L297 olderBase$Statistics]: existing Event has 741 ancestors and is cut-off event [2024-11-08 19:12:40,557 INFO L297 olderBase$Statistics]: existing Event has 730 ancestors and is cut-off event [2024-11-08 19:12:40,730 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3711] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][779], [1027#true, 1021#true, 709#L766-6true, 1023#true, Black: 1029#(= |#race~state~0| 0), 1004#L757-3true, 467#L755true, 1025#true, 821#L757-3true, 1032#true]) [2024-11-08 19:12:40,730 INFO L294 olderBase$Statistics]: this new event has 742 ancestors and is cut-off event [2024-11-08 19:12:40,730 INFO L297 olderBase$Statistics]: existing Event has 742 ancestors and is cut-off event [2024-11-08 19:12:40,730 INFO L297 olderBase$Statistics]: existing Event has 731 ancestors and is cut-off event [2024-11-08 19:12:40,730 INFO L297 olderBase$Statistics]: existing Event has 731 ancestors and is cut-off event [2024-11-08 19:12:44,216 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3947] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][730], [1021#true, 709#L766-6true, 1029#(= |#race~state~0| 0), 1023#true, Black: 1027#true, 1004#L757-3true, 1025#true, 1032#true, 731#L694-3true, 858#L755-3true]) [2024-11-08 19:12:44,216 INFO L294 olderBase$Statistics]: this new event has 751 ancestors and is cut-off event [2024-11-08 19:12:44,216 INFO L297 olderBase$Statistics]: existing Event has 740 ancestors and is cut-off event [2024-11-08 19:12:44,216 INFO L297 olderBase$Statistics]: existing Event has 751 ancestors and is cut-off event [2024-11-08 19:12:44,216 INFO L297 olderBase$Statistics]: existing Event has 740 ancestors and is cut-off event [2024-11-08 19:12:46,233 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3947] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread2of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|, thr1Thread2of3ForFork0_#t~ret19#1=|v_thr1Thread2of3ForFork0_#t~ret19#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread2of3ForFork0_#t~ret19#1][730], [460#L696-3true, 1021#true, 709#L766-6true, 1029#(= |#race~state~0| 0), 1023#true, Black: 1027#true, 1004#L757-3true, 1025#true, 1032#true, 858#L755-3true]) [2024-11-08 19:12:46,233 INFO L294 olderBase$Statistics]: this new event has 756 ancestors and is cut-off event [2024-11-08 19:12:46,233 INFO L297 olderBase$Statistics]: existing Event has 745 ancestors and is cut-off event [2024-11-08 19:12:46,233 INFO L297 olderBase$Statistics]: existing Event has 756 ancestors and is cut-off event [2024-11-08 19:12:46,234 INFO L297 olderBase$Statistics]: existing Event has 745 ancestors and is cut-off event [2024-11-08 19:12:46,768 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3711] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][779], [1027#true, 1021#true, 709#L766-6true, 1023#true, Black: 1029#(= |#race~state~0| 0), 244#L694-3true, 490#L705true, 1025#true, 821#L757-3true, 1032#true]) [2024-11-08 19:12:46,768 INFO L294 olderBase$Statistics]: this new event has 758 ancestors and is cut-off event [2024-11-08 19:12:46,768 INFO L297 olderBase$Statistics]: existing Event has 758 ancestors and is cut-off event [2024-11-08 19:12:46,768 INFO L297 olderBase$Statistics]: existing Event has 747 ancestors and is cut-off event [2024-11-08 19:12:46,768 INFO L297 olderBase$Statistics]: existing Event has 747 ancestors and is cut-off event [2024-11-08 19:12:47,128 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3711] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][779], [1027#true, 1021#true, 709#L766-6true, 1023#true, Black: 1029#(= |#race~state~0| 0), 244#L694-3true, 467#L755true, 1025#true, 821#L757-3true, 1032#true]) [2024-11-08 19:12:47,128 INFO L294 olderBase$Statistics]: this new event has 759 ancestors and is cut-off event [2024-11-08 19:12:47,128 INFO L297 olderBase$Statistics]: existing Event has 748 ancestors and is cut-off event [2024-11-08 19:12:47,128 INFO L297 olderBase$Statistics]: existing Event has 748 ancestors and is cut-off event [2024-11-08 19:12:47,129 INFO L297 olderBase$Statistics]: existing Event has 759 ancestors and is cut-off event [2024-11-08 19:12:49,185 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3711] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][779], [1027#true, 1021#true, 709#L766-6true, 1023#true, Black: 1029#(= |#race~state~0| 0), 490#L705true, 325#L696-3true, 1025#true, 821#L757-3true, 1032#true]) [2024-11-08 19:12:49,186 INFO L294 olderBase$Statistics]: this new event has 763 ancestors and is cut-off event [2024-11-08 19:12:49,186 INFO L297 olderBase$Statistics]: existing Event has 752 ancestors and is cut-off event [2024-11-08 19:12:49,186 INFO L297 olderBase$Statistics]: existing Event has 752 ancestors and is cut-off event [2024-11-08 19:12:49,186 INFO L297 olderBase$Statistics]: existing Event has 763 ancestors and is cut-off event [2024-11-08 19:12:49,612 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3711] L757-->L757-3: Formula: (and (= |v_#pthreadsMutex_51| (store |v_#pthreadsMutex_52| |v_~#m2~0.base_15| (store (select |v_#pthreadsMutex_52| |v_~#m2~0.base_15|) |v_~#m2~0.offset_15| 0))) (= |v_thr1Thread3of3ForFork0_#t~ret19#1_1| 0)) InVars {#pthreadsMutex=|v_#pthreadsMutex_52|, ~#m2~0.base=|v_~#m2~0.base_15|, ~#m2~0.offset=|v_~#m2~0.offset_15|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_51|, ~#m2~0.base=|v_~#m2~0.base_15|, thr1Thread3of3ForFork0_#t~ret19#1=|v_thr1Thread3of3ForFork0_#t~ret19#1_1|, ~#m2~0.offset=|v_~#m2~0.offset_15|} AuxVars[] AssignedVars[#pthreadsMutex, thr1Thread3of3ForFork0_#t~ret19#1][779], [1027#true, 1021#true, 709#L766-6true, 1023#true, Black: 1029#(= |#race~state~0| 0), 325#L696-3true, 467#L755true, 1025#true, 821#L757-3true, 1032#true]) [2024-11-08 19:12:49,612 INFO L294 olderBase$Statistics]: this new event has 764 ancestors and is cut-off event [2024-11-08 19:12:49,613 INFO L297 olderBase$Statistics]: existing Event has 764 ancestors and is cut-off event [2024-11-08 19:12:49,613 INFO L297 olderBase$Statistics]: existing Event has 753 ancestors and is cut-off event [2024-11-08 19:12:49,613 INFO L297 olderBase$Statistics]: existing Event has 753 ancestors and is cut-off event