./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU --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 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:53,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:53,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:04:53,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:53,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:53,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:53,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:53,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:53,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:53,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:53,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:53,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:53,403 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:53,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:53,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:53,405 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:04:53,405 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:53,406 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:04:53,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:53,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:53,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:53,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:53,411 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:04:53,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:53,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:04:53,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:04:53,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:53,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:53,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:53,414 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:53,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:53,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:53,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:53,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:53,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:53,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:53,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:53,420 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:53,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:53,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:53,421 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:53,425 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_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670814d0a16da58b0f26835e20c05a244e2f373856f13b9d4ff2a931783edf81 [2024-10-31 22:04:53,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:53,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:53,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:53,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:53,697 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:53,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c Unable to find full path for "g++" [2024-10-31 22:04:55,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:55,966 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:55,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/sv-benchmarks/c/weaver/popl20-three-array-max.wvr.c [2024-10-31 22:04:55,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/data/b4fd19a51/4ab15a4bd11f4910a95a119269c8a68b/FLAG915d2bda1 [2024-10-31 22:04:56,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/data/b4fd19a51/4ab15a4bd11f4910a95a119269c8a68b [2024-10-31 22:04:56,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:56,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:56,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:56,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:56,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:56,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a582b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56, skipping insertion in model container [2024-10-31 22:04:56,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:56,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:56,641 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:56,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:56,726 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:56,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56 WrapperNode [2024-10-31 22:04:56,727 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:56,728 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:56,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:56,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:56,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,791 INFO L138 Inliner]: procedures = 25, calls = 43, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 348 [2024-10-31 22:04:56,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:56,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:56,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:56,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:56,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:56,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:56,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:56,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:56,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (1/1) ... [2024-10-31 22:04:56,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:56,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:56,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:56,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:04:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:04:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:04:56,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:04:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:04:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:04:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:56,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:04:56,956 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:04:57,126 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:57,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:58,144 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:04:58,145 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:58,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:58,456 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-31 22:04:58,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:58 BoogieIcfgContainer [2024-10-31 22:04:58,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:58,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:58,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:58,471 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:58,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:56" (1/3) ... [2024-10-31 22:04:58,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5298e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:58, skipping insertion in model container [2024-10-31 22:04:58,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:56" (2/3) ... [2024-10-31 22:04:58,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5298e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:58, skipping insertion in model container [2024-10-31 22:04:58,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:58" (3/3) ... [2024-10-31 22:04:58,478 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-max.wvr.c [2024-10-31 22:04:58,525 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:58,525 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2024-10-31 22:04:58,526 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:04:58,662 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:04:58,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 493 places, 510 transitions, 1041 flow [2024-10-31 22:04:58,956 INFO L124 PetriNetUnfolderBase]: 27/507 cut-off events. [2024-10-31 22:04:58,956 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:04:58,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 507 events. 27/507 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 632 event pairs, 0 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 428. Up to 2 conditions per place. [2024-10-31 22:04:58,968 INFO L82 GeneralOperation]: Start removeDead. Operand has 493 places, 510 transitions, 1041 flow [2024-10-31 22:04:58,978 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 449 places, 463 transitions, 944 flow [2024-10-31 22:04:58,988 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:58,995 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;@1a02f7b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:58,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2024-10-31 22:04:59,000 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:04:59,000 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-10-31 22:04:59,001 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:59,001 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:59,001 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] [2024-10-31 22:04:59,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:04:59,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:59,008 INFO L85 PathProgramCache]: Analyzing trace with hash 64313588, now seen corresponding path program 1 times [2024-10-31 22:04:59,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:59,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321478297] [2024-10-31 22:04:59,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:59,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:59,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:59,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321478297] [2024-10-31 22:04:59,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321478297] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:59,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:59,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:59,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911414609] [2024-10-31 22:04:59,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:59,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:59,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:59,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:59,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:59,320 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 510 [2024-10-31 22:04:59,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 463 transitions, 944 flow. Second operand has 3 states, 3 states have (on average 455.3333333333333) internal successors, (1366), 3 states have internal predecessors, (1366), 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) [2024-10-31 22:04:59,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:59,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 510 [2024-10-31 22:04:59,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:59,849 INFO L124 PetriNetUnfolderBase]: 101/1214 cut-off events. [2024-10-31 22:04:59,849 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-10-31 22:04:59,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1390 conditions, 1214 events. 101/1214 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 6484 event pairs, 51 based on Foata normal form. 12/1018 useless extension candidates. Maximal degree in co-relation 955. Up to 135 conditions per place. [2024-10-31 22:04:59,869 INFO L140 encePairwiseOnDemand]: 478/510 looper letters, 19 selfloop transitions, 2 changer transitions 9/433 dead transitions. [2024-10-31 22:04:59,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 433 transitions, 926 flow [2024-10-31 22:04:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1413 transitions. [2024-10-31 22:04:59,895 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9235294117647059 [2024-10-31 22:04:59,899 INFO L175 Difference]: Start difference. First operand has 449 places, 463 transitions, 944 flow. Second operand 3 states and 1413 transitions. [2024-10-31 22:04:59,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 433 transitions, 926 flow [2024-10-31 22:04:59,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 430 places, 433 transitions, 914 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:04:59,920 INFO L231 Difference]: Finished difference. Result has 430 places, 424 transitions, 858 flow [2024-10-31 22:04:59,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=872, PETRI_DIFFERENCE_MINUEND_PLACES=428, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=858, PETRI_PLACES=430, PETRI_TRANSITIONS=424} [2024-10-31 22:04:59,930 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -19 predicate places. [2024-10-31 22:04:59,930 INFO L471 AbstractCegarLoop]: Abstraction has has 430 places, 424 transitions, 858 flow [2024-10-31 22:04:59,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 455.3333333333333) internal successors, (1366), 3 states have internal predecessors, (1366), 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) [2024-10-31 22:04:59,932 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:59,933 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] [2024-10-31 22:04:59,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:04:59,934 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:04:59,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:59,936 INFO L85 PathProgramCache]: Analyzing trace with hash -123107398, now seen corresponding path program 1 times [2024-10-31 22:04:59,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:59,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390554412] [2024-10-31 22:04:59,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:59,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:00,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:00,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390554412] [2024-10-31 22:05:00,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390554412] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:00,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:00,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:00,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416151742] [2024-10-31 22:05:00,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:00,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:00,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:00,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:00,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 446 out of 510 [2024-10-31 22:05:00,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 430 places, 424 transitions, 858 flow. Second operand has 3 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 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) [2024-10-31 22:05:00,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:00,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 446 of 510 [2024-10-31 22:05:00,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:00,488 INFO L124 PetriNetUnfolderBase]: 223/1237 cut-off events. [2024-10-31 22:05:00,488 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-10-31 22:05:00,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1558 conditions, 1237 events. 223/1237 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6518 event pairs, 128 based on Foata normal form. 0/1058 useless extension candidates. Maximal degree in co-relation 1525. Up to 299 conditions per place. [2024-10-31 22:05:00,502 INFO L140 encePairwiseOnDemand]: 502/510 looper letters, 23 selfloop transitions, 1 changer transitions 0/417 dead transitions. [2024-10-31 22:05:00,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 417 transitions, 892 flow [2024-10-31 22:05:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1369 transitions. [2024-10-31 22:05:00,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8947712418300654 [2024-10-31 22:05:00,507 INFO L175 Difference]: Start difference. First operand has 430 places, 424 transitions, 858 flow. Second operand 3 states and 1369 transitions. [2024-10-31 22:05:00,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 417 transitions, 892 flow [2024-10-31 22:05:00,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 417 transitions, 888 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:00,516 INFO L231 Difference]: Finished difference. Result has 414 places, 417 transitions, 842 flow [2024-10-31 22:05:00,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=414, PETRI_TRANSITIONS=417} [2024-10-31 22:05:00,519 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -35 predicate places. [2024-10-31 22:05:00,519 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 417 transitions, 842 flow [2024-10-31 22:05:00,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 447.0) internal successors, (1341), 3 states have internal predecessors, (1341), 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) [2024-10-31 22:05:00,521 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:00,521 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] [2024-10-31 22:05:00,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:00,522 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:00,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:00,522 INFO L85 PathProgramCache]: Analyzing trace with hash 573243807, now seen corresponding path program 1 times [2024-10-31 22:05:00,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:00,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456943570] [2024-10-31 22:05:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:00,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:01,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:01,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456943570] [2024-10-31 22:05:01,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456943570] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:01,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:01,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:01,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748913718] [2024-10-31 22:05:01,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:01,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:01,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:01,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:01,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:02,306 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 510 [2024-10-31 22:05:02,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 417 transitions, 842 flow. Second operand has 6 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 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) [2024-10-31 22:05:02,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:02,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 510 [2024-10-31 22:05:02,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:02,688 INFO L124 PetriNetUnfolderBase]: 236/1331 cut-off events. [2024-10-31 22:05:02,689 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-10-31 22:05:02,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1807 conditions, 1331 events. 236/1331 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 7716 event pairs, 188 based on Foata normal form. 0/1150 useless extension candidates. Maximal degree in co-relation 1775. Up to 406 conditions per place. [2024-10-31 22:05:02,701 INFO L140 encePairwiseOnDemand]: 492/510 looper letters, 65 selfloop transitions, 15 changer transitions 0/414 dead transitions. [2024-10-31 22:05:02,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 414 transitions, 996 flow [2024-10-31 22:05:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2447 transitions. [2024-10-31 22:05:02,707 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7996732026143791 [2024-10-31 22:05:02,707 INFO L175 Difference]: Start difference. First operand has 414 places, 417 transitions, 842 flow. Second operand 6 states and 2447 transitions. [2024-10-31 22:05:02,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 414 transitions, 996 flow [2024-10-31 22:05:02,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 414 transitions, 995 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:02,716 INFO L231 Difference]: Finished difference. Result has 415 places, 414 transitions, 865 flow [2024-10-31 22:05:02,718 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=865, PETRI_PLACES=415, PETRI_TRANSITIONS=414} [2024-10-31 22:05:02,719 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -34 predicate places. [2024-10-31 22:05:02,719 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 414 transitions, 865 flow [2024-10-31 22:05:02,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 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) [2024-10-31 22:05:02,721 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:02,721 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] [2024-10-31 22:05:02,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:05:02,722 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:02,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:02,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1149357642, now seen corresponding path program 1 times [2024-10-31 22:05:02,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:02,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408002222] [2024-10-31 22:05:02,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:02,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:02,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408002222] [2024-10-31 22:05:02,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408002222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:02,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:02,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:02,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676398584] [2024-10-31 22:05:02,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:02,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:02,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:02,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:02,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:02,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 510 [2024-10-31 22:05:02,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 414 transitions, 865 flow. Second operand has 3 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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) [2024-10-31 22:05:02,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:02,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 510 [2024-10-31 22:05:02,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:03,054 INFO L124 PetriNetUnfolderBase]: 55/587 cut-off events. [2024-10-31 22:05:03,054 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:05:03,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 587 events. 55/587 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1808 event pairs, 34 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 661. Up to 77 conditions per place. [2024-10-31 22:05:03,059 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-10-31 22:05:03,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 413 transitions, 899 flow [2024-10-31 22:05:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:03,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1390 transitions. [2024-10-31 22:05:03,063 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084967320261438 [2024-10-31 22:05:03,063 INFO L175 Difference]: Start difference. First operand has 415 places, 414 transitions, 865 flow. Second operand 3 states and 1390 transitions. [2024-10-31 22:05:03,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 413 transitions, 899 flow [2024-10-31 22:05:03,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 413 transitions, 869 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:05:03,073 INFO L231 Difference]: Finished difference. Result has 411 places, 413 transitions, 837 flow [2024-10-31 22:05:03,074 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=837, PETRI_PLACES=411, PETRI_TRANSITIONS=413} [2024-10-31 22:05:03,075 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -38 predicate places. [2024-10-31 22:05:03,075 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 413 transitions, 837 flow [2024-10-31 22:05:03,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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) [2024-10-31 22:05:03,076 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:03,077 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] [2024-10-31 22:05:03,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:05:03,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:03,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:03,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1852644211, now seen corresponding path program 1 times [2024-10-31 22:05:03,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:03,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168983602] [2024-10-31 22:05:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:03,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:03,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:03,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168983602] [2024-10-31 22:05:03,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168983602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:03,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:03,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:03,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655350978] [2024-10-31 22:05:03,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:03,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:03,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:03,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:03,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:03,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 457 out of 510 [2024-10-31 22:05:03,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 413 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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) [2024-10-31 22:05:03,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:03,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 457 of 510 [2024-10-31 22:05:03,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:03,348 INFO L124 PetriNetUnfolderBase]: 55/586 cut-off events. [2024-10-31 22:05:03,348 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:05:03,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 586 events. 55/586 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1712 event pairs, 34 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 647. Up to 77 conditions per place. [2024-10-31 22:05:03,353 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2024-10-31 22:05:03,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 412 transitions, 871 flow [2024-10-31 22:05:03,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1390 transitions. [2024-10-31 22:05:03,357 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9084967320261438 [2024-10-31 22:05:03,357 INFO L175 Difference]: Start difference. First operand has 411 places, 413 transitions, 837 flow. Second operand 3 states and 1390 transitions. [2024-10-31 22:05:03,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 412 transitions, 871 flow [2024-10-31 22:05:03,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 412 transitions, 867 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:03,365 INFO L231 Difference]: Finished difference. Result has 410 places, 412 transitions, 835 flow [2024-10-31 22:05:03,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=410, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=410, PETRI_TRANSITIONS=412} [2024-10-31 22:05:03,367 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -39 predicate places. [2024-10-31 22:05:03,367 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 412 transitions, 835 flow [2024-10-31 22:05:03,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 458.3333333333333) internal successors, (1375), 3 states have internal predecessors, (1375), 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) [2024-10-31 22:05:03,368 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:03,368 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] [2024-10-31 22:05:03,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:05:03,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:03,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:03,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1332480732, now seen corresponding path program 1 times [2024-10-31 22:05:03,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:03,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675970263] [2024-10-31 22:05:03,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:03,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:03,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:03,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675970263] [2024-10-31 22:05:03,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675970263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:03,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:03,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:03,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690716359] [2024-10-31 22:05:03,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:03,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:03,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:03,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:03,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:03,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 510 [2024-10-31 22:05:03,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 412 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-10-31 22:05:03,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:03,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 510 [2024-10-31 22:05:03,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:03,612 INFO L124 PetriNetUnfolderBase]: 23/449 cut-off events. [2024-10-31 22:05:03,612 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:05:03,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 449 events. 23/449 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 757 event pairs, 12 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 462. Up to 35 conditions per place. [2024-10-31 22:05:03,616 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-10-31 22:05:03,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 411 transitions, 861 flow [2024-10-31 22:05:03,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:03,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1398 transitions. [2024-10-31 22:05:03,620 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9137254901960784 [2024-10-31 22:05:03,620 INFO L175 Difference]: Start difference. First operand has 410 places, 412 transitions, 835 flow. Second operand 3 states and 1398 transitions. [2024-10-31 22:05:03,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 411 transitions, 861 flow [2024-10-31 22:05:03,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 411 transitions, 857 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:03,628 INFO L231 Difference]: Finished difference. Result has 409 places, 411 transitions, 833 flow [2024-10-31 22:05:03,629 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=409, PETRI_TRANSITIONS=411} [2024-10-31 22:05:03,632 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -40 predicate places. [2024-10-31 22:05:03,632 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 411 transitions, 833 flow [2024-10-31 22:05:03,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-10-31 22:05:03,633 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:03,634 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] [2024-10-31 22:05:03,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:05:03,634 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:03,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:03,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1889059969, now seen corresponding path program 1 times [2024-10-31 22:05:03,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:03,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813677460] [2024-10-31 22:05:03,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:03,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:03,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:03,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813677460] [2024-10-31 22:05:03,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813677460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:03,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:03,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:03,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841892543] [2024-10-31 22:05:03,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:03,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:03,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:03,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:03,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:03,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 510 [2024-10-31 22:05:03,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 411 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-10-31 22:05:03,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:03,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 510 [2024-10-31 22:05:03,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:03,844 INFO L124 PetriNetUnfolderBase]: 23/448 cut-off events. [2024-10-31 22:05:03,845 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-10-31 22:05:03,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 448 events. 23/448 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 759 event pairs, 12 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 461. Up to 35 conditions per place. [2024-10-31 22:05:03,848 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 12 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:05:03,848 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 410 transitions, 859 flow [2024-10-31 22:05:03,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1398 transitions. [2024-10-31 22:05:03,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9137254901960784 [2024-10-31 22:05:03,852 INFO L175 Difference]: Start difference. First operand has 409 places, 411 transitions, 833 flow. Second operand 3 states and 1398 transitions. [2024-10-31 22:05:03,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 410 transitions, 859 flow [2024-10-31 22:05:03,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 410 transitions, 855 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:03,860 INFO L231 Difference]: Finished difference. Result has 408 places, 410 transitions, 831 flow [2024-10-31 22:05:03,861 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=408, PETRI_TRANSITIONS=410} [2024-10-31 22:05:03,862 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -41 predicate places. [2024-10-31 22:05:03,862 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 410 transitions, 831 flow [2024-10-31 22:05:03,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 462.3333333333333) internal successors, (1387), 3 states have internal predecessors, (1387), 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) [2024-10-31 22:05:03,864 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:03,864 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] [2024-10-31 22:05:03,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:05:03,865 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:03,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:03,866 INFO L85 PathProgramCache]: Analyzing trace with hash 30063585, now seen corresponding path program 1 times [2024-10-31 22:05:03,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:03,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566478311] [2024-10-31 22:05:03,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566478311] [2024-10-31 22:05:03,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566478311] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:03,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:03,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:03,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543676785] [2024-10-31 22:05:03,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:03,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:03,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:03,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:03,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:03,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 455 out of 510 [2024-10-31 22:05:03,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 410 transitions, 831 flow. Second operand has 3 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2024-10-31 22:05:03,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:03,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 455 of 510 [2024-10-31 22:05:03,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:04,221 INFO L124 PetriNetUnfolderBase]: 109/1164 cut-off events. [2024-10-31 22:05:04,221 INFO L125 PetriNetUnfolderBase]: For 15/16 co-relation queries the response was YES. [2024-10-31 22:05:04,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1322 conditions, 1164 events. 109/1164 cut-off events. For 15/16 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5661 event pairs, 56 based on Foata normal form. 0/1012 useless extension candidates. Maximal degree in co-relation 1290. Up to 135 conditions per place. [2024-10-31 22:05:04,230 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 17 selfloop transitions, 1 changer transitions 0/406 dead transitions. [2024-10-31 22:05:04,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 406 transitions, 859 flow [2024-10-31 22:05:04,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:04,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1387 transitions. [2024-10-31 22:05:04,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065359477124183 [2024-10-31 22:05:04,235 INFO L175 Difference]: Start difference. First operand has 408 places, 410 transitions, 831 flow. Second operand 3 states and 1387 transitions. [2024-10-31 22:05:04,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 406 transitions, 859 flow [2024-10-31 22:05:04,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 406 transitions, 855 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:04,242 INFO L231 Difference]: Finished difference. Result has 404 places, 406 transitions, 821 flow [2024-10-31 22:05:04,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=405, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=821, PETRI_PLACES=404, PETRI_TRANSITIONS=406} [2024-10-31 22:05:04,245 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -45 predicate places. [2024-10-31 22:05:04,245 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 406 transitions, 821 flow [2024-10-31 22:05:04,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2024-10-31 22:05:04,248 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:04,248 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] [2024-10-31 22:05:04,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:05:04,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:04,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:04,249 INFO L85 PathProgramCache]: Analyzing trace with hash 360475418, now seen corresponding path program 1 times [2024-10-31 22:05:04,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:04,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637182596] [2024-10-31 22:05:04,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:04,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:05,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:05,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637182596] [2024-10-31 22:05:05,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637182596] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:05,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:05,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:05,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823866397] [2024-10-31 22:05:05,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:05,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:05,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:05,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:05,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:05,740 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 510 [2024-10-31 22:05:05,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 406 transitions, 821 flow. Second operand has 6 states, 6 states have (on average 443.1666666666667) internal successors, (2659), 6 states have internal predecessors, (2659), 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) [2024-10-31 22:05:05,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:05,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 510 [2024-10-31 22:05:05,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:06,002 INFO L124 PetriNetUnfolderBase]: 29/514 cut-off events. [2024-10-31 22:05:06,003 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 22:05:06,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 514 events. 29/514 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1132 event pairs, 4 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 558. Up to 43 conditions per place. [2024-10-31 22:05:06,008 INFO L140 encePairwiseOnDemand]: 503/510 looper letters, 35 selfloop transitions, 5 changer transitions 0/411 dead transitions. [2024-10-31 22:05:06,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 407 places, 411 transitions, 915 flow [2024-10-31 22:05:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2694 transitions. [2024-10-31 22:05:06,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8803921568627451 [2024-10-31 22:05:06,017 INFO L175 Difference]: Start difference. First operand has 404 places, 406 transitions, 821 flow. Second operand 6 states and 2694 transitions. [2024-10-31 22:05:06,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 407 places, 411 transitions, 915 flow [2024-10-31 22:05:06,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 411 transitions, 914 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:06,028 INFO L231 Difference]: Finished difference. Result has 407 places, 405 transitions, 832 flow [2024-10-31 22:05:06,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=832, PETRI_PLACES=407, PETRI_TRANSITIONS=405} [2024-10-31 22:05:06,030 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -42 predicate places. [2024-10-31 22:05:06,030 INFO L471 AbstractCegarLoop]: Abstraction has has 407 places, 405 transitions, 832 flow [2024-10-31 22:05:06,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 443.1666666666667) internal successors, (2659), 6 states have internal predecessors, (2659), 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) [2024-10-31 22:05:06,033 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:06,033 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] [2024-10-31 22:05:06,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:05:06,034 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:06,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:06,034 INFO L85 PathProgramCache]: Analyzing trace with hash -555120169, now seen corresponding path program 1 times [2024-10-31 22:05:06,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:06,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753206724] [2024-10-31 22:05:06,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:06,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:06,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:06,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753206724] [2024-10-31 22:05:06,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753206724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:06,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:06,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:06,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342857050] [2024-10-31 22:05:06,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:06,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:06,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:06,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:06,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 510 [2024-10-31 22:05:06,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 405 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2024-10-31 22:05:06,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:06,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 510 [2024-10-31 22:05:06,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:06,445 INFO L124 PetriNetUnfolderBase]: 69/627 cut-off events. [2024-10-31 22:05:06,446 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-10-31 22:05:06,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 627 events. 69/627 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1973 event pairs, 36 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 757. Up to 98 conditions per place. [2024-10-31 22:05:06,454 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-10-31 22:05:06,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 404 transitions, 866 flow [2024-10-31 22:05:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:06,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1392 transitions. [2024-10-31 22:05:06,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098039215686274 [2024-10-31 22:05:06,459 INFO L175 Difference]: Start difference. First operand has 407 places, 405 transitions, 832 flow. Second operand 3 states and 1392 transitions. [2024-10-31 22:05:06,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 404 transitions, 866 flow [2024-10-31 22:05:06,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 404 transitions, 858 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-31 22:05:06,469 INFO L231 Difference]: Finished difference. Result has 404 places, 404 transitions, 826 flow [2024-10-31 22:05:06,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=404, PETRI_TRANSITIONS=404} [2024-10-31 22:05:06,471 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -45 predicate places. [2024-10-31 22:05:06,471 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 404 transitions, 826 flow [2024-10-31 22:05:06,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2024-10-31 22:05:06,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:06,473 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] [2024-10-31 22:05:06,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:05:06,474 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:06,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:06,475 INFO L85 PathProgramCache]: Analyzing trace with hash -620784319, now seen corresponding path program 1 times [2024-10-31 22:05:06,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:06,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043251861] [2024-10-31 22:05:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:06,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:06,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:06,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043251861] [2024-10-31 22:05:06,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043251861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:06,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:06,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:06,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949586035] [2024-10-31 22:05:06,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:06,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:06,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:06,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:06,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:06,591 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 455 out of 510 [2024-10-31 22:05:06,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 404 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2024-10-31 22:05:06,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:06,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 455 of 510 [2024-10-31 22:05:06,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:06,865 INFO L124 PetriNetUnfolderBase]: 125/1187 cut-off events. [2024-10-31 22:05:06,865 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2024-10-31 22:05:06,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1417 conditions, 1187 events. 125/1187 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5853 event pairs, 58 based on Foata normal form. 0/1053 useless extension candidates. Maximal degree in co-relation 1384. Up to 158 conditions per place. [2024-10-31 22:05:06,877 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 18 selfloop transitions, 1 changer transitions 0/400 dead transitions. [2024-10-31 22:05:06,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 400 transitions, 856 flow [2024-10-31 22:05:06,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1387 transitions. [2024-10-31 22:05:06,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9065359477124183 [2024-10-31 22:05:06,881 INFO L175 Difference]: Start difference. First operand has 404 places, 404 transitions, 826 flow. Second operand 3 states and 1387 transitions. [2024-10-31 22:05:06,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 400 transitions, 856 flow [2024-10-31 22:05:06,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 400 transitions, 852 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:06,889 INFO L231 Difference]: Finished difference. Result has 400 places, 400 transitions, 816 flow [2024-10-31 22:05:06,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=400, PETRI_TRANSITIONS=400} [2024-10-31 22:05:06,891 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -49 predicate places. [2024-10-31 22:05:06,891 INFO L471 AbstractCegarLoop]: Abstraction has has 400 places, 400 transitions, 816 flow [2024-10-31 22:05:06,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 456.0) internal successors, (1368), 3 states have internal predecessors, (1368), 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) [2024-10-31 22:05:06,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:06,893 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] [2024-10-31 22:05:06,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:05:06,893 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:06,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:06,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1135693127, now seen corresponding path program 1 times [2024-10-31 22:05:06,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:06,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512991576] [2024-10-31 22:05:06,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:06,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:07,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:07,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512991576] [2024-10-31 22:05:07,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512991576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:07,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:07,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:07,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529177243] [2024-10-31 22:05:07,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:07,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:07,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:07,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:07,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:08,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 442 out of 510 [2024-10-31 22:05:08,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 400 transitions, 816 flow. Second operand has 6 states, 6 states have (on average 443.1666666666667) internal successors, (2659), 6 states have internal predecessors, (2659), 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) [2024-10-31 22:05:08,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:08,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 442 of 510 [2024-10-31 22:05:08,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:08,436 INFO L124 PetriNetUnfolderBase]: 29/507 cut-off events. [2024-10-31 22:05:08,437 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2024-10-31 22:05:08,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 601 conditions, 507 events. 29/507 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1107 event pairs, 4 based on Foata normal form. 0/477 useless extension candidates. Maximal degree in co-relation 567. Up to 43 conditions per place. [2024-10-31 22:05:08,441 INFO L140 encePairwiseOnDemand]: 503/510 looper letters, 35 selfloop transitions, 5 changer transitions 0/404 dead transitions. [2024-10-31 22:05:08,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 404 transitions, 908 flow [2024-10-31 22:05:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2694 transitions. [2024-10-31 22:05:08,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8803921568627451 [2024-10-31 22:05:08,448 INFO L175 Difference]: Start difference. First operand has 400 places, 400 transitions, 816 flow. Second operand 6 states and 2694 transitions. [2024-10-31 22:05:08,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 404 transitions, 908 flow [2024-10-31 22:05:08,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 404 transitions, 907 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:08,455 INFO L231 Difference]: Finished difference. Result has 402 places, 398 transitions, 821 flow [2024-10-31 22:05:08,455 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=821, PETRI_PLACES=402, PETRI_TRANSITIONS=398} [2024-10-31 22:05:08,456 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -47 predicate places. [2024-10-31 22:05:08,456 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 398 transitions, 821 flow [2024-10-31 22:05:08,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 443.1666666666667) internal successors, (2659), 6 states have internal predecessors, (2659), 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) [2024-10-31 22:05:08,459 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:08,459 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] [2024-10-31 22:05:08,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:05:08,460 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:08,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:08,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1178971585, now seen corresponding path program 1 times [2024-10-31 22:05:08,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:08,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665569873] [2024-10-31 22:05:08,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:08,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:08,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:08,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665569873] [2024-10-31 22:05:08,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665569873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:08,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:08,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:08,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658122612] [2024-10-31 22:05:08,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:08,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:08,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:08,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:08,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:08,571 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 458 out of 510 [2024-10-31 22:05:08,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 398 transitions, 821 flow. Second operand has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2024-10-31 22:05:08,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:08,573 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 458 of 510 [2024-10-31 22:05:08,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:08,783 INFO L124 PetriNetUnfolderBase]: 69/620 cut-off events. [2024-10-31 22:05:08,783 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-10-31 22:05:08,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 620 events. 69/620 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1912 event pairs, 36 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 752. Up to 98 conditions per place. [2024-10-31 22:05:08,793 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 16 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2024-10-31 22:05:08,797 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 397 transitions, 855 flow [2024-10-31 22:05:08,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:08,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1392 transitions. [2024-10-31 22:05:08,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9098039215686274 [2024-10-31 22:05:08,802 INFO L175 Difference]: Start difference. First operand has 402 places, 398 transitions, 821 flow. Second operand 3 states and 1392 transitions. [2024-10-31 22:05:08,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 397 transitions, 855 flow [2024-10-31 22:05:08,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 397 transitions, 845 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-31 22:05:08,818 INFO L231 Difference]: Finished difference. Result has 398 places, 397 transitions, 813 flow [2024-10-31 22:05:08,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=398, PETRI_TRANSITIONS=397} [2024-10-31 22:05:08,824 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -51 predicate places. [2024-10-31 22:05:08,825 INFO L471 AbstractCegarLoop]: Abstraction has has 398 places, 397 transitions, 813 flow [2024-10-31 22:05:08,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 459.3333333333333) internal successors, (1378), 3 states have internal predecessors, (1378), 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) [2024-10-31 22:05:08,829 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:08,830 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] [2024-10-31 22:05:08,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:05:08,830 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:08,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:08,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1081886323, now seen corresponding path program 1 times [2024-10-31 22:05:08,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:08,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545178628] [2024-10-31 22:05:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:08,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:08,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:08,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:08,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545178628] [2024-10-31 22:05:08,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545178628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:08,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:08,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:08,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669252971] [2024-10-31 22:05:08,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:08,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:08,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:08,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:08,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:08,976 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-10-31 22:05:08,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 397 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-10-31 22:05:08,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:08,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-10-31 22:05:08,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:09,109 INFO L124 PetriNetUnfolderBase]: 31/461 cut-off events. [2024-10-31 22:05:09,110 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-31 22:05:09,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 461 events. 31/461 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 843 event pairs, 14 based on Foata normal form. 0/436 useless extension candidates. Maximal degree in co-relation 506. Up to 50 conditions per place. [2024-10-31 22:05:09,114 INFO L140 encePairwiseOnDemand]: 507/510 looper letters, 14 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2024-10-31 22:05:09,114 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 396 transitions, 843 flow [2024-10-31 22:05:09,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1396 transitions. [2024-10-31 22:05:09,118 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9124183006535947 [2024-10-31 22:05:09,118 INFO L175 Difference]: Start difference. First operand has 398 places, 397 transitions, 813 flow. Second operand 3 states and 1396 transitions. [2024-10-31 22:05:09,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 396 transitions, 843 flow [2024-10-31 22:05:09,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 396 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:09,125 INFO L231 Difference]: Finished difference. Result has 397 places, 396 transitions, 811 flow [2024-10-31 22:05:09,126 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=397, PETRI_TRANSITIONS=396} [2024-10-31 22:05:09,127 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -52 predicate places. [2024-10-31 22:05:09,127 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 396 transitions, 811 flow [2024-10-31 22:05:09,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-10-31 22:05:09,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:09,129 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] [2024-10-31 22:05:09,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:05:09,129 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:09,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash 688744348, now seen corresponding path program 1 times [2024-10-31 22:05:09,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:09,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768027898] [2024-10-31 22:05:09,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:09,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:09,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768027898] [2024-10-31 22:05:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768027898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:09,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:09,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:09,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292696193] [2024-10-31 22:05:09,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:09,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:09,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:09,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:09,240 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-10-31 22:05:09,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 396 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-10-31 22:05:09,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:09,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-10-31 22:05:09,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:09,577 INFO L124 PetriNetUnfolderBase]: 113/1198 cut-off events. [2024-10-31 22:05:09,577 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-10-31 22:05:09,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1425 conditions, 1198 events. 113/1198 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6615 event pairs, 25 based on Foata normal form. 0/1089 useless extension candidates. Maximal degree in co-relation 1392. Up to 91 conditions per place. [2024-10-31 22:05:09,590 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 24 selfloop transitions, 3 changer transitions 0/405 dead transitions. [2024-10-31 22:05:09,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 405 transitions, 892 flow [2024-10-31 22:05:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:09,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1407 transitions. [2024-10-31 22:05:09,594 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9196078431372549 [2024-10-31 22:05:09,595 INFO L175 Difference]: Start difference. First operand has 397 places, 396 transitions, 811 flow. Second operand 3 states and 1407 transitions. [2024-10-31 22:05:09,595 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 405 transitions, 892 flow [2024-10-31 22:05:09,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 405 transitions, 888 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:05:09,603 INFO L231 Difference]: Finished difference. Result has 396 places, 396 transitions, 820 flow [2024-10-31 22:05:09,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=396, PETRI_TRANSITIONS=396} [2024-10-31 22:05:09,605 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -53 predicate places. [2024-10-31 22:05:09,605 INFO L471 AbstractCegarLoop]: Abstraction has has 396 places, 396 transitions, 820 flow [2024-10-31 22:05:09,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 461.3333333333333) internal successors, (1384), 3 states have internal predecessors, (1384), 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) [2024-10-31 22:05:09,606 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:09,607 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] [2024-10-31 22:05:09,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:05:09,607 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:09,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:09,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1410606142, now seen corresponding path program 1 times [2024-10-31 22:05:09,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:09,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416913763] [2024-10-31 22:05:09,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:09,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:09,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416913763] [2024-10-31 22:05:09,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416913763] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:09,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:09,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:05:09,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201503899] [2024-10-31 22:05:09,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:09,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:05:09,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:09,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:05:09,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:05:10,550 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 510 [2024-10-31 22:05:10,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 396 transitions, 820 flow. Second operand has 7 states, 7 states have (on average 439.14285714285717) internal successors, (3074), 7 states have internal predecessors, (3074), 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) [2024-10-31 22:05:10,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:10,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 510 [2024-10-31 22:05:10,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:11,435 INFO L124 PetriNetUnfolderBase]: 256/1901 cut-off events. [2024-10-31 22:05:11,436 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-10-31 22:05:11,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2481 conditions, 1901 events. 256/1901 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9860 event pairs, 122 based on Foata normal form. 9/1758 useless extension candidates. Maximal degree in co-relation 2446. Up to 245 conditions per place. [2024-10-31 22:05:11,455 INFO L140 encePairwiseOnDemand]: 481/510 looper letters, 52 selfloop transitions, 42 changer transitions 0/447 dead transitions. [2024-10-31 22:05:11,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 447 transitions, 1126 flow [2024-10-31 22:05:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:05:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:05:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4442 transitions. [2024-10-31 22:05:11,465 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8709803921568627 [2024-10-31 22:05:11,465 INFO L175 Difference]: Start difference. First operand has 396 places, 396 transitions, 820 flow. Second operand 10 states and 4442 transitions. [2024-10-31 22:05:11,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 447 transitions, 1126 flow [2024-10-31 22:05:11,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 447 transitions, 1123 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:11,476 INFO L231 Difference]: Finished difference. Result has 408 places, 421 transitions, 1009 flow [2024-10-31 22:05:11,477 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1009, PETRI_PLACES=408, PETRI_TRANSITIONS=421} [2024-10-31 22:05:11,477 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -41 predicate places. [2024-10-31 22:05:11,478 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 421 transitions, 1009 flow [2024-10-31 22:05:11,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 439.14285714285717) internal successors, (3074), 7 states have internal predecessors, (3074), 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) [2024-10-31 22:05:11,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:11,480 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] [2024-10-31 22:05:11,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:05:11,480 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:11,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1577782458, now seen corresponding path program 1 times [2024-10-31 22:05:11,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:11,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590423845] [2024-10-31 22:05:11,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:11,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:11,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:11,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:11,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590423845] [2024-10-31 22:05:11,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590423845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:11,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:11,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:11,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3613154] [2024-10-31 22:05:11,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:11,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:11,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:11,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:11,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:11,595 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 464 out of 510 [2024-10-31 22:05:11,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 421 transitions, 1009 flow. Second operand has 3 states, 3 states have (on average 467.0) internal successors, (1401), 3 states have internal predecessors, (1401), 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) [2024-10-31 22:05:11,597 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:11,597 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 464 of 510 [2024-10-31 22:05:11,597 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:11,879 INFO L124 PetriNetUnfolderBase]: 87/956 cut-off events. [2024-10-31 22:05:11,879 INFO L125 PetriNetUnfolderBase]: For 68/80 co-relation queries the response was YES. [2024-10-31 22:05:11,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 956 events. 87/956 cut-off events. For 68/80 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2739 event pairs, 39 based on Foata normal form. 0/919 useless extension candidates. Maximal degree in co-relation 1202. Up to 125 conditions per place. [2024-10-31 22:05:11,886 INFO L140 encePairwiseOnDemand]: 508/510 looper letters, 12 selfloop transitions, 1 changer transitions 0/420 dead transitions. [2024-10-31 22:05:11,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 420 transitions, 1033 flow [2024-10-31 22:05:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1405 transitions. [2024-10-31 22:05:11,890 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9183006535947712 [2024-10-31 22:05:11,891 INFO L175 Difference]: Start difference. First operand has 408 places, 421 transitions, 1009 flow. Second operand 3 states and 1405 transitions. [2024-10-31 22:05:11,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 420 transitions, 1033 flow [2024-10-31 22:05:11,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 420 transitions, 1033 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:05:11,902 INFO L231 Difference]: Finished difference. Result has 409 places, 420 transitions, 1009 flow [2024-10-31 22:05:11,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1007, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1009, PETRI_PLACES=409, PETRI_TRANSITIONS=420} [2024-10-31 22:05:11,903 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -40 predicate places. [2024-10-31 22:05:11,903 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 420 transitions, 1009 flow [2024-10-31 22:05:11,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.0) internal successors, (1401), 3 states have internal predecessors, (1401), 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) [2024-10-31 22:05:11,904 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:11,905 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] [2024-10-31 22:05:11,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:05:11,905 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:11,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1541076308, now seen corresponding path program 1 times [2024-10-31 22:05:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:11,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941233970] [2024-10-31 22:05:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:11,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:12,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:12,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941233970] [2024-10-31 22:05:12,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941233970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:12,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:12,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:12,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81475859] [2024-10-31 22:05:12,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:12,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:12,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:12,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:12,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:12,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 460 out of 510 [2024-10-31 22:05:12,054 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 420 transitions, 1009 flow. Second operand has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 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) [2024-10-31 22:05:12,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:12,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 460 of 510 [2024-10-31 22:05:12,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:12,665 INFO L124 PetriNetUnfolderBase]: 238/2127 cut-off events. [2024-10-31 22:05:12,665 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2024-10-31 22:05:12,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2779 conditions, 2127 events. 238/2127 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 12968 event pairs, 61 based on Foata normal form. 4/1994 useless extension candidates. Maximal degree in co-relation 2737. Up to 176 conditions per place. [2024-10-31 22:05:12,684 INFO L140 encePairwiseOnDemand]: 505/510 looper letters, 20 selfloop transitions, 2 changer transitions 31/429 dead transitions. [2024-10-31 22:05:12,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 429 transitions, 1088 flow [2024-10-31 22:05:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:05:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1406 transitions. [2024-10-31 22:05:12,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918954248366013 [2024-10-31 22:05:12,688 INFO L175 Difference]: Start difference. First operand has 409 places, 420 transitions, 1009 flow. Second operand 3 states and 1406 transitions. [2024-10-31 22:05:12,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 429 transitions, 1088 flow [2024-10-31 22:05:12,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 429 transitions, 1087 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:12,697 INFO L231 Difference]: Finished difference. Result has 409 places, 390 transitions, 884 flow [2024-10-31 22:05:12,698 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=1004, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=884, PETRI_PLACES=409, PETRI_TRANSITIONS=390} [2024-10-31 22:05:12,699 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -40 predicate places. [2024-10-31 22:05:12,699 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 390 transitions, 884 flow [2024-10-31 22:05:12,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 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) [2024-10-31 22:05:12,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:12,700 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] [2024-10-31 22:05:12,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:05:12,700 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:12,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:12,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1969656587, now seen corresponding path program 1 times [2024-10-31 22:05:12,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:12,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016827643] [2024-10-31 22:05:12,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:12,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:05:13,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:13,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016827643] [2024-10-31 22:05:13,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016827643] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:13,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964466095] [2024-10-31 22:05:13,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:13,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:13,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:13,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:05:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:13,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:05:13,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:05:14,117 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:05:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:05:14,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964466095] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:05:14,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:05:14,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-10-31 22:05:14,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349863873] [2024-10-31 22:05:14,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:05:14,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-31 22:05:14,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:14,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-31 22:05:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-10-31 22:05:16,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 510 [2024-10-31 22:05:16,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 390 transitions, 884 flow. Second operand has 19 states, 19 states have (on average 428.1578947368421) internal successors, (8135), 19 states have internal predecessors, (8135), 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) [2024-10-31 22:05:16,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:16,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 510 [2024-10-31 22:05:16,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:18,043 INFO L124 PetriNetUnfolderBase]: 491/2909 cut-off events. [2024-10-31 22:05:18,043 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2024-10-31 22:05:18,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4208 conditions, 2909 events. 491/2909 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 18077 event pairs, 201 based on Foata normal form. 9/2686 useless extension candidates. Maximal degree in co-relation 4164. Up to 437 conditions per place. [2024-10-31 22:05:18,069 INFO L140 encePairwiseOnDemand]: 471/510 looper letters, 34 selfloop transitions, 36 changer transitions 77/480 dead transitions. [2024-10-31 22:05:18,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 480 transitions, 1461 flow [2024-10-31 22:05:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-31 22:05:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-10-31 22:05:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 8217 transitions. [2024-10-31 22:05:18,086 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8479876160990713 [2024-10-31 22:05:18,086 INFO L175 Difference]: Start difference. First operand has 409 places, 390 transitions, 884 flow. Second operand 19 states and 8217 transitions. [2024-10-31 22:05:18,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 480 transitions, 1461 flow [2024-10-31 22:05:18,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 480 transitions, 1357 flow, removed 21 selfloop flow, removed 8 redundant places. [2024-10-31 22:05:18,096 INFO L231 Difference]: Finished difference. Result has 418 places, 397 transitions, 1004 flow [2024-10-31 22:05:18,097 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1004, PETRI_PLACES=418, PETRI_TRANSITIONS=397} [2024-10-31 22:05:18,097 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -31 predicate places. [2024-10-31 22:05:18,098 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 397 transitions, 1004 flow [2024-10-31 22:05:18,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 428.1578947368421) internal successors, (8135), 19 states have internal predecessors, (8135), 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) [2024-10-31 22:05:18,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:18,105 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:18,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:05:18,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71b5016c-6a93-43bd-8b5b-66519f034e38/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:18,306 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:18,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:18,307 INFO L85 PathProgramCache]: Analyzing trace with hash -562157278, now seen corresponding path program 2 times [2024-10-31 22:05:18,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:18,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923677022] [2024-10-31 22:05:18,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:18,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-10-31 22:05:19,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:19,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923677022] [2024-10-31 22:05:19,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923677022] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:19,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:19,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:19,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415858216] [2024-10-31 22:05:19,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:19,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:05:19,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:19,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:05:19,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:05:20,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 439 out of 510 [2024-10-31 22:05:20,582 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 397 transitions, 1004 flow. Second operand has 6 states, 6 states have (on average 442.5) internal successors, (2655), 6 states have internal predecessors, (2655), 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) [2024-10-31 22:05:20,582 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:20,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 439 of 510 [2024-10-31 22:05:20,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:22,239 INFO L124 PetriNetUnfolderBase]: 653/3303 cut-off events. [2024-10-31 22:05:22,239 INFO L125 PetriNetUnfolderBase]: For 382/382 co-relation queries the response was YES. [2024-10-31 22:05:22,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5006 conditions, 3303 events. 653/3303 cut-off events. For 382/382 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25168 event pairs, 130 based on Foata normal form. 0/3059 useless extension candidates. Maximal degree in co-relation 4956. Up to 607 conditions per place. [2024-10-31 22:05:22,269 INFO L140 encePairwiseOnDemand]: 496/510 looper letters, 53 selfloop transitions, 19 changer transitions 0/434 dead transitions. [2024-10-31 22:05:22,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 434 transitions, 1246 flow [2024-10-31 22:05:22,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:05:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:05:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2703 transitions. [2024-10-31 22:05:22,275 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2024-10-31 22:05:22,275 INFO L175 Difference]: Start difference. First operand has 418 places, 397 transitions, 1004 flow. Second operand 6 states and 2703 transitions. [2024-10-31 22:05:22,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 434 transitions, 1246 flow [2024-10-31 22:05:22,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 434 transitions, 1181 flow, removed 17 selfloop flow, removed 10 redundant places. [2024-10-31 22:05:22,284 INFO L231 Difference]: Finished difference. Result has 405 places, 415 transitions, 1095 flow [2024-10-31 22:05:22,285 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=510, PETRI_DIFFERENCE_MINUEND_FLOW=939, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=384, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1095, PETRI_PLACES=405, PETRI_TRANSITIONS=415} [2024-10-31 22:05:22,285 INFO L277 CegarLoopForPetriNet]: 449 programPoint places, -44 predicate places. [2024-10-31 22:05:22,285 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 415 transitions, 1095 flow [2024-10-31 22:05:22,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 442.5) internal successors, (2655), 6 states have internal predecessors, (2655), 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) [2024-10-31 22:05:22,286 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:22,287 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:22,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:05:22,287 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2024-10-31 22:05:22,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:22,288 INFO L85 PathProgramCache]: Analyzing trace with hash 592738246, now seen corresponding path program 1 times [2024-10-31 22:05:22,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:22,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867274935] [2024-10-31 22:05:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:22,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:22,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat