./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-subst.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_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/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_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/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_3667cc9b-40af-4cca-9dd2-b13e61015c1e/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 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:16,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:17,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:17:17,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:17,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:17,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:17,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:17,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:17,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:17,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:17,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:17,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:17,097 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:17,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:17,098 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:17,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:17:17,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:17,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:17:17,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:17,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:17,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:17,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:17,101 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:17:17,102 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:17,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:17,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:17:17,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:17,103 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:17,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:17,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:17,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:17,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:17,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:17,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:17,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:17,107 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:17,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:17,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:17,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:17,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:17,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:17,109 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_3667cc9b-40af-4cca-9dd2-b13e61015c1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c931aeff3bd4feb775048ea000220a43a3b08d8a3667f51cb57a0babc9201aa [2024-10-31 22:17:17,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:17,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:17,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:17,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:17,442 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:17,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/weaver/chl-match-subst.wvr.c Unable to find full path for "g++" [2024-10-31 22:17:19,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:19,919 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:19,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/sv-benchmarks/c/weaver/chl-match-subst.wvr.c [2024-10-31 22:17:19,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/data/66d74d7be/ddebc80705314b89a954ffc7bf9d91e4/FLAG82f52807a [2024-10-31 22:17:19,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/data/66d74d7be/ddebc80705314b89a954ffc7bf9d91e4 [2024-10-31 22:17:19,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:19,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:19,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:19,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:19,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:19,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e7c16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19, skipping insertion in model container [2024-10-31 22:17:19,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:20,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:20,263 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:20,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:20,327 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:20,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20 WrapperNode [2024-10-31 22:17:20,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:20,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:20,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:20,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:20,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,389 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 13, calls inlined = 23, statements flattened = 323 [2024-10-31 22:17:20,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:20,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:20,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:20,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:20,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:20,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:20,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:20,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:20,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (1/1) ... [2024-10-31 22:17:20,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:20,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:20,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:17:20,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-31 22:17:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-31 22:17:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-31 22:17:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-31 22:17:20,512 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-31 22:17:20,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-31 22:17:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:17:20,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:20,516 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 22:17:20,707 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:20,709 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:21,395 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:17:21,396 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:21,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:21,437 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:17:21,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:21 BoogieIcfgContainer [2024-10-31 22:17:21,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:21,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:21,458 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:21,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:21,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:19" (1/3) ... [2024-10-31 22:17:21,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2021edb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:21, skipping insertion in model container [2024-10-31 22:17:21,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:20" (2/3) ... [2024-10-31 22:17:21,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2021edb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:21, skipping insertion in model container [2024-10-31 22:17:21,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:21" (3/3) ... [2024-10-31 22:17:21,468 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-subst.wvr.c [2024-10-31 22:17:21,487 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:21,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2024-10-31 22:17:21,488 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:17:21,668 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-31 22:17:21,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 446 places, 454 transitions, 929 flow [2024-10-31 22:17:21,914 INFO L124 PetriNetUnfolderBase]: 18/451 cut-off events. [2024-10-31 22:17:21,915 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:17:21,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 464 conditions, 451 events. 18/451 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 777 event pairs, 0 based on Foata normal form. 0/392 useless extension candidates. Maximal degree in co-relation 311. Up to 2 conditions per place. [2024-10-31 22:17:21,929 INFO L82 GeneralOperation]: Start removeDead. Operand has 446 places, 454 transitions, 929 flow [2024-10-31 22:17:21,939 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 425 places, 431 transitions, 880 flow [2024-10-31 22:17:21,948 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:21,955 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;@4a44d52a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:21,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2024-10-31 22:17:21,961 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:17:21,961 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-10-31 22:17:21,961 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:17:21,961 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:21,962 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 22:17:21,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:21,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:21,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1481465963, now seen corresponding path program 1 times [2024-10-31 22:17:21,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:21,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505399691] [2024-10-31 22:17:21,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:21,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:22,227 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 22:17:22,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:22,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505399691] [2024-10-31 22:17:22,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505399691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:22,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:22,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:22,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395675832] [2024-10-31 22:17:22,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:22,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:22,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:22,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:22,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:22,355 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-31 22:17:22,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 431 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 22:17:22,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:22,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-31 22:17:22,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:22,887 INFO L124 PetriNetUnfolderBase]: 33/1375 cut-off events. [2024-10-31 22:17:22,888 INFO L125 PetriNetUnfolderBase]: For 26/28 co-relation queries the response was YES. [2024-10-31 22:17:22,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 1375 events. 33/1375 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6213 event pairs, 20 based on Foata normal form. 76/1250 useless extension candidates. Maximal degree in co-relation 1300. Up to 50 conditions per place. [2024-10-31 22:17:22,914 INFO L140 encePairwiseOnDemand]: 438/454 looper letters, 13 selfloop transitions, 2 changer transitions 1/417 dead transitions. [2024-10-31 22:17:22,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 417 transitions, 882 flow [2024-10-31 22:17:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:22,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:22,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:22,942 INFO L175 Difference]: Start difference. First operand has 425 places, 431 transitions, 880 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:22,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 417 transitions, 882 flow [2024-10-31 22:17:22,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 420 places, 417 transitions, 870 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-31 22:17:22,963 INFO L231 Difference]: Finished difference. Result has 420 places, 416 transitions, 842 flow [2024-10-31 22:17:22,965 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=415, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=420, PETRI_TRANSITIONS=416} [2024-10-31 22:17:22,969 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -5 predicate places. [2024-10-31 22:17:22,971 INFO L471 AbstractCegarLoop]: Abstraction has has 420 places, 416 transitions, 842 flow [2024-10-31 22:17:22,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 22:17:22,972 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:22,973 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] [2024-10-31 22:17:22,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:17:22,973 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:22,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:22,974 INFO L85 PathProgramCache]: Analyzing trace with hash -666654298, now seen corresponding path program 1 times [2024-10-31 22:17:22,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:22,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511731909] [2024-10-31 22:17:22,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:22,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:23,065 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 22:17:23,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:23,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511731909] [2024-10-31 22:17:23,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511731909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:23,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:23,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:23,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656991143] [2024-10-31 22:17:23,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:23,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:23,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:23,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:23,096 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-31 22:17:23,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 420 places, 416 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:23,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:23,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-31 22:17:23,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:23,414 INFO L124 PetriNetUnfolderBase]: 16/956 cut-off events. [2024-10-31 22:17:23,415 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:17:23,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 956 events. 16/956 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4028 event pairs, 7 based on Foata normal form. 0/814 useless extension candidates. Maximal degree in co-relation 957. Up to 25 conditions per place. [2024-10-31 22:17:23,435 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/415 dead transitions. [2024-10-31 22:17:23,435 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 415 transitions, 866 flow [2024-10-31 22:17:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-31 22:17:23,441 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-31 22:17:23,441 INFO L175 Difference]: Start difference. First operand has 420 places, 416 transitions, 842 flow. Second operand 3 states and 1286 transitions. [2024-10-31 22:17:23,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 415 transitions, 866 flow [2024-10-31 22:17:23,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 418 places, 415 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:23,453 INFO L231 Difference]: Finished difference. Result has 418 places, 415 transitions, 840 flow [2024-10-31 22:17:23,454 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=416, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=418, PETRI_TRANSITIONS=415} [2024-10-31 22:17:23,455 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -7 predicate places. [2024-10-31 22:17:23,455 INFO L471 AbstractCegarLoop]: Abstraction has has 418 places, 415 transitions, 840 flow [2024-10-31 22:17:23,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:23,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:23,457 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] [2024-10-31 22:17:23,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:17:23,458 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:23,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:23,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2102967575, now seen corresponding path program 1 times [2024-10-31 22:17:23,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:23,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092336504] [2024-10-31 22:17:23,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:23,563 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 22:17:23,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:23,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092336504] [2024-10-31 22:17:23,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092336504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:23,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:23,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:23,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872317850] [2024-10-31 22:17:23,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:23,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:23,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:23,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:23,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:23,608 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-31 22:17:23,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 418 places, 415 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:23,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:23,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-31 22:17:23,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:23,901 INFO L124 PetriNetUnfolderBase]: 16/937 cut-off events. [2024-10-31 22:17:23,901 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:17:23,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 975 conditions, 937 events. 16/937 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 3931 event pairs, 7 based on Foata normal form. 0/803 useless extension candidates. Maximal degree in co-relation 930. Up to 25 conditions per place. [2024-10-31 22:17:23,917 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2024-10-31 22:17:23,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 414 transitions, 864 flow [2024-10-31 22:17:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:23,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-31 22:17:23,922 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-31 22:17:23,923 INFO L175 Difference]: Start difference. First operand has 418 places, 415 transitions, 840 flow. Second operand 3 states and 1286 transitions. [2024-10-31 22:17:23,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 414 transitions, 864 flow [2024-10-31 22:17:23,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 417 places, 414 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:23,931 INFO L231 Difference]: Finished difference. Result has 417 places, 414 transitions, 838 flow [2024-10-31 22:17:23,932 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=414, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=417, PETRI_TRANSITIONS=414} [2024-10-31 22:17:23,933 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -8 predicate places. [2024-10-31 22:17:23,933 INFO L471 AbstractCegarLoop]: Abstraction has has 417 places, 414 transitions, 838 flow [2024-10-31 22:17:23,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:23,935 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:23,936 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] [2024-10-31 22:17:23,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:17:23,936 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:23,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:23,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1511710481, now seen corresponding path program 1 times [2024-10-31 22:17:23,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:23,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929185839] [2024-10-31 22:17:23,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:23,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:24,024 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 22:17:24,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:24,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929185839] [2024-10-31 22:17:24,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929185839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:24,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:24,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:24,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592059222] [2024-10-31 22:17:24,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:24,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:24,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:24,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:24,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:24,084 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-31 22:17:24,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 414 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 22:17:24,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:24,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-31 22:17:24,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:24,311 INFO L124 PetriNetUnfolderBase]: 19/807 cut-off events. [2024-10-31 22:17:24,311 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2024-10-31 22:17:24,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 807 events. 19/807 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2820 event pairs, 12 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 805. Up to 38 conditions per place. [2024-10-31 22:17:24,328 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/413 dead transitions. [2024-10-31 22:17:24,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 413 transitions, 866 flow [2024-10-31 22:17:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-10-31 22:17:24,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-10-31 22:17:24,332 INFO L175 Difference]: Start difference. First operand has 417 places, 414 transitions, 838 flow. Second operand 3 states and 1282 transitions. [2024-10-31 22:17:24,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 413 transitions, 866 flow [2024-10-31 22:17:24,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 413 transitions, 862 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:24,340 INFO L231 Difference]: Finished difference. Result has 416 places, 413 transitions, 836 flow [2024-10-31 22:17:24,341 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=414, 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=836, PETRI_PLACES=416, PETRI_TRANSITIONS=413} [2024-10-31 22:17:24,342 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -9 predicate places. [2024-10-31 22:17:24,342 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 413 transitions, 836 flow [2024-10-31 22:17:24,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 22:17:24,343 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:24,344 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] [2024-10-31 22:17:24,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:17:24,344 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:24,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:24,345 INFO L85 PathProgramCache]: Analyzing trace with hash 805669637, now seen corresponding path program 1 times [2024-10-31 22:17:24,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:24,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292750573] [2024-10-31 22:17:24,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:24,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:24,433 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 22:17:24,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:24,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292750573] [2024-10-31 22:17:24,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292750573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:24,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:24,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:24,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805468733] [2024-10-31 22:17:24,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:24,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:24,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:24,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:24,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:24,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-31 22:17:24,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 413 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:24,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:24,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-31 22:17:24,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:24,665 INFO L124 PetriNetUnfolderBase]: 12/784 cut-off events. [2024-10-31 22:17:24,665 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-10-31 22:17:24,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 784 events. 12/784 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2122 event pairs, 5 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 756. Up to 22 conditions per place. [2024-10-31 22:17:24,680 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/412 dead transitions. [2024-10-31 22:17:24,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 412 transitions, 860 flow [2024-10-31 22:17:24,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-31 22:17:24,687 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-31 22:17:24,687 INFO L175 Difference]: Start difference. First operand has 416 places, 413 transitions, 836 flow. Second operand 3 states and 1286 transitions. [2024-10-31 22:17:24,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 417 places, 412 transitions, 860 flow [2024-10-31 22:17:24,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 412 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:24,695 INFO L231 Difference]: Finished difference. Result has 415 places, 412 transitions, 834 flow [2024-10-31 22:17:24,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=413, 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=834, PETRI_PLACES=415, PETRI_TRANSITIONS=412} [2024-10-31 22:17:24,696 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-10-31 22:17:24,698 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 412 transitions, 834 flow [2024-10-31 22:17:24,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:24,699 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:24,700 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] [2024-10-31 22:17:24,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:17:24,700 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:24,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:24,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1067874234, now seen corresponding path program 1 times [2024-10-31 22:17:24,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:24,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778529111] [2024-10-31 22:17:24,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:24,777 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 22:17:24,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:24,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778529111] [2024-10-31 22:17:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778529111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:24,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:24,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:24,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391614769] [2024-10-31 22:17:24,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:24,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:24,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:24,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:24,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:24,808 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-31 22:17:24,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 412 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:24,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:24,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-31 22:17:24,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:24,992 INFO L124 PetriNetUnfolderBase]: 12/777 cut-off events. [2024-10-31 22:17:24,992 INFO L125 PetriNetUnfolderBase]: For 5/10 co-relation queries the response was YES. [2024-10-31 22:17:25,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 810 conditions, 777 events. 12/777 cut-off events. For 5/10 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2081 event pairs, 5 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 741. Up to 22 conditions per place. [2024-10-31 22:17:25,007 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-10-31 22:17:25,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 411 transitions, 858 flow [2024-10-31 22:17:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:25,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:25,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-31 22:17:25,010 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-31 22:17:25,010 INFO L175 Difference]: Start difference. First operand has 415 places, 412 transitions, 834 flow. Second operand 3 states and 1286 transitions. [2024-10-31 22:17:25,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 411 transitions, 858 flow [2024-10-31 22:17:25,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 411 transitions, 854 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:25,019 INFO L231 Difference]: Finished difference. Result has 414 places, 411 transitions, 832 flow [2024-10-31 22:17:25,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=412, 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=832, PETRI_PLACES=414, PETRI_TRANSITIONS=411} [2024-10-31 22:17:25,022 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-31 22:17:25,024 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 411 transitions, 832 flow [2024-10-31 22:17:25,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:25,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:25,025 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] [2024-10-31 22:17:25,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:17:25,026 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:25,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:25,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1914240621, now seen corresponding path program 1 times [2024-10-31 22:17:25,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:25,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642635172] [2024-10-31 22:17:25,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:25,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,085 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 22:17:25,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:25,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642635172] [2024-10-31 22:17:25,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642635172] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:25,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:25,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:25,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705974964] [2024-10-31 22:17:25,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:25,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:25,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:25,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:25,130 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 454 [2024-10-31 22:17:25,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 411 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 22:17:25,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:25,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 454 [2024-10-31 22:17:25,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:25,302 INFO L124 PetriNetUnfolderBase]: 25/626 cut-off events. [2024-10-31 22:17:25,302 INFO L125 PetriNetUnfolderBase]: For 9/13 co-relation queries the response was YES. [2024-10-31 22:17:25,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 626 events. 25/626 cut-off events. For 9/13 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2198 event pairs, 20 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 610. Up to 50 conditions per place. [2024-10-31 22:17:25,313 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:25,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 410 transitions, 860 flow [2024-10-31 22:17:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:25,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:25,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1282 transitions. [2024-10-31 22:17:25,317 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9412628487518355 [2024-10-31 22:17:25,317 INFO L175 Difference]: Start difference. First operand has 414 places, 411 transitions, 832 flow. Second operand 3 states and 1282 transitions. [2024-10-31 22:17:25,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 410 transitions, 860 flow [2024-10-31 22:17:25,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 856 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:25,324 INFO L231 Difference]: Finished difference. Result has 413 places, 410 transitions, 830 flow [2024-10-31 22:17:25,325 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=411, 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=830, PETRI_PLACES=413, PETRI_TRANSITIONS=410} [2024-10-31 22:17:25,326 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-31 22:17:25,326 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 410 transitions, 830 flow [2024-10-31 22:17:25,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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 22:17:25,327 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:25,328 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] [2024-10-31 22:17:25,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:17:25,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:25,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:25,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1935635487, now seen corresponding path program 1 times [2024-10-31 22:17:25,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:25,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047021025] [2024-10-31 22:17:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:25,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,371 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 22:17:25,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:25,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047021025] [2024-10-31 22:17:25,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047021025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:25,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:25,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:25,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508934057] [2024-10-31 22:17:25,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:25,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:25,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:25,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:25,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:25,398 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-31 22:17:25,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 410 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:25,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:25,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-31 22:17:25,400 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:25,555 INFO L124 PetriNetUnfolderBase]: 14/681 cut-off events. [2024-10-31 22:17:25,556 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-31 22:17:25,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 681 events. 14/681 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1754 event pairs, 7 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 631. Up to 25 conditions per place. [2024-10-31 22:17:25,569 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2024-10-31 22:17:25,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 409 transitions, 854 flow [2024-10-31 22:17:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:25,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-31 22:17:25,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-31 22:17:25,573 INFO L175 Difference]: Start difference. First operand has 413 places, 410 transitions, 830 flow. Second operand 3 states and 1286 transitions. [2024-10-31 22:17:25,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 409 transitions, 854 flow [2024-10-31 22:17:25,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 409 transitions, 850 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:25,580 INFO L231 Difference]: Finished difference. Result has 412 places, 409 transitions, 828 flow [2024-10-31 22:17:25,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=412, PETRI_TRANSITIONS=409} [2024-10-31 22:17:25,582 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-31 22:17:25,582 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 409 transitions, 828 flow [2024-10-31 22:17:25,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:25,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:25,584 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] [2024-10-31 22:17:25,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:17:25,584 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:25,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:25,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1967425806, now seen corresponding path program 1 times [2024-10-31 22:17:25,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:25,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250152106] [2024-10-31 22:17:25,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,652 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 22:17:25,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:25,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250152106] [2024-10-31 22:17:25,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250152106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:25,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:25,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:25,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598678724] [2024-10-31 22:17:25,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:25,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:25,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:25,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:25,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:25,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 454 [2024-10-31 22:17:25,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 409 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:25,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:25,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 454 [2024-10-31 22:17:25,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:25,877 INFO L124 PetriNetUnfolderBase]: 14/671 cut-off events. [2024-10-31 22:17:25,878 INFO L125 PetriNetUnfolderBase]: For 6/15 co-relation queries the response was YES. [2024-10-31 22:17:25,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 671 events. 14/671 cut-off events. For 6/15 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1727 event pairs, 7 based on Foata normal form. 0/581 useless extension candidates. Maximal degree in co-relation 613. Up to 25 conditions per place. [2024-10-31 22:17:25,892 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-31 22:17:25,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 852 flow [2024-10-31 22:17:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:25,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1286 transitions. [2024-10-31 22:17:25,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9441997063142438 [2024-10-31 22:17:25,897 INFO L175 Difference]: Start difference. First operand has 412 places, 409 transitions, 828 flow. Second operand 3 states and 1286 transitions. [2024-10-31 22:17:25,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 852 flow [2024-10-31 22:17:25,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 408 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:25,906 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 826 flow [2024-10-31 22:17:25,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-10-31 22:17:25,908 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-31 22:17:25,909 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 826 flow [2024-10-31 22:17:25,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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 22:17:25,910 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:25,910 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] [2024-10-31 22:17:25,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:17:25,911 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:25,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:25,912 INFO L85 PathProgramCache]: Analyzing trace with hash -224796327, now seen corresponding path program 1 times [2024-10-31 22:17:25,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:25,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717314498] [2024-10-31 22:17:25,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:25,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:26,005 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 22:17:26,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:26,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717314498] [2024-10-31 22:17:26,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717314498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:26,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:26,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:26,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203871171] [2024-10-31 22:17:26,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:26,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:26,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:26,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:26,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:26,029 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:26,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 22:17:26,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:26,032 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:26,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:26,344 INFO L124 PetriNetUnfolderBase]: 34/1406 cut-off events. [2024-10-31 22:17:26,344 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:17:26,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1471 conditions, 1406 events. 34/1406 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8143 event pairs, 13 based on Foata normal form. 0/1207 useless extension candidates. Maximal degree in co-relation 1370. Up to 43 conditions per place. [2024-10-31 22:17:26,369 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:26,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 862 flow [2024-10-31 22:17:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:26,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:26,373 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:26,373 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 826 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:26,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 862 flow [2024-10-31 22:17:26,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 410 transitions, 858 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:26,382 INFO L231 Difference]: Finished difference. Result has 410 places, 408 transitions, 832 flow [2024-10-31 22:17:26,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=410, PETRI_TRANSITIONS=408} [2024-10-31 22:17:26,383 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-10-31 22:17:26,384 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 408 transitions, 832 flow [2024-10-31 22:17:26,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 22:17:26,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:26,385 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] [2024-10-31 22:17:26,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:17:26,386 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:26,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:26,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1280872901, now seen corresponding path program 1 times [2024-10-31 22:17:26,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:26,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237699251] [2024-10-31 22:17:26,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:26,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:26,428 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 22:17:26,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:26,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237699251] [2024-10-31 22:17:26,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237699251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:26,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:26,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:26,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722208860] [2024-10-31 22:17:26,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:26,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:26,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:26,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:26,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:26,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:26,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 408 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 22:17:26,446 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:26,446 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:26,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:26,844 INFO L124 PetriNetUnfolderBase]: 40/1646 cut-off events. [2024-10-31 22:17:26,845 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:17:26,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1724 conditions, 1646 events. 40/1646 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10640 event pairs, 14 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1337. Up to 49 conditions per place. [2024-10-31 22:17:26,877 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:26,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 410 transitions, 868 flow [2024-10-31 22:17:26,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:26,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:26,881 INFO L175 Difference]: Start difference. First operand has 410 places, 408 transitions, 832 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:26,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 410 transitions, 868 flow [2024-10-31 22:17:26,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 410 transitions, 868 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:26,889 INFO L231 Difference]: Finished difference. Result has 411 places, 408 transitions, 842 flow [2024-10-31 22:17:26,890 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=842, PETRI_PLACES=411, PETRI_TRANSITIONS=408} [2024-10-31 22:17:26,891 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-31 22:17:26,891 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 408 transitions, 842 flow [2024-10-31 22:17:26,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.3333333333333) internal successors, (1282), 3 states have internal predecessors, (1282), 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 22:17:26,892 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:26,893 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] [2024-10-31 22:17:26,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:17:26,894 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:26,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:26,895 INFO L85 PathProgramCache]: Analyzing trace with hash -137455449, now seen corresponding path program 1 times [2024-10-31 22:17:26,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:26,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771053872] [2024-10-31 22:17:26,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:26,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:26,961 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 22:17:26,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:26,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771053872] [2024-10-31 22:17:26,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771053872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:26,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:26,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625238827] [2024-10-31 22:17:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:26,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:26,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:26,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:26,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:26,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 408 transitions, 842 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 22:17:26,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:26,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:26,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:27,251 INFO L124 PetriNetUnfolderBase]: 24/902 cut-off events. [2024-10-31 22:17:27,251 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-31 22:17:27,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 902 events. 24/902 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4377 event pairs, 4 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 759. Up to 31 conditions per place. [2024-10-31 22:17:27,273 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:27,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 410 transitions, 878 flow [2024-10-31 22:17:27,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:27,277 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:27,277 INFO L175 Difference]: Start difference. First operand has 411 places, 408 transitions, 842 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:27,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 410 transitions, 878 flow [2024-10-31 22:17:27,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 410 transitions, 878 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:27,285 INFO L231 Difference]: Finished difference. Result has 412 places, 408 transitions, 852 flow [2024-10-31 22:17:27,286 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=838, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=852, PETRI_PLACES=412, PETRI_TRANSITIONS=408} [2024-10-31 22:17:27,287 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-31 22:17:27,287 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 408 transitions, 852 flow [2024-10-31 22:17:27,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 22:17:27,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:27,288 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] [2024-10-31 22:17:27,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:17:27,289 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:27,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:27,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1049338249, now seen corresponding path program 1 times [2024-10-31 22:17:27,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:27,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187446866] [2024-10-31 22:17:27,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:27,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:27,339 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 22:17:27,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:27,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187446866] [2024-10-31 22:17:27,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187446866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:27,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:27,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:27,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715269281] [2024-10-31 22:17:27,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:27,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:27,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:27,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:27,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:27,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:27,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 408 transitions, 852 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 22:17:27,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:27,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:27,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:27,599 INFO L124 PetriNetUnfolderBase]: 26/943 cut-off events. [2024-10-31 22:17:27,599 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:17:27,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 943 events. 26/943 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4688 event pairs, 4 based on Foata normal form. 0/826 useless extension candidates. Maximal degree in co-relation 810. Up to 35 conditions per place. [2024-10-31 22:17:27,621 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:27,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 410 transitions, 888 flow [2024-10-31 22:17:27,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:27,624 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:27,625 INFO L175 Difference]: Start difference. First operand has 412 places, 408 transitions, 852 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:27,625 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 410 transitions, 888 flow [2024-10-31 22:17:27,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 410 transitions, 888 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:27,632 INFO L231 Difference]: Finished difference. Result has 413 places, 408 transitions, 862 flow [2024-10-31 22:17:27,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=862, PETRI_PLACES=413, PETRI_TRANSITIONS=408} [2024-10-31 22:17:27,633 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-31 22:17:27,633 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 408 transitions, 862 flow [2024-10-31 22:17:27,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 22:17:27,635 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:27,635 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] [2024-10-31 22:17:27,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:17:27,635 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:27,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:27,636 INFO L85 PathProgramCache]: Analyzing trace with hash -200193379, now seen corresponding path program 1 times [2024-10-31 22:17:27,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:27,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796867564] [2024-10-31 22:17:27,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:27,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:27,695 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 22:17:27,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:27,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796867564] [2024-10-31 22:17:27,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796867564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:27,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:27,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:27,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143442592] [2024-10-31 22:17:27,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:27,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:27,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:27,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:27,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:27,711 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:27,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 408 transitions, 862 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 22:17:27,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:27,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:27,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:28,179 INFO L124 PetriNetUnfolderBase]: 66/1778 cut-off events. [2024-10-31 22:17:28,179 INFO L125 PetriNetUnfolderBase]: For 21/25 co-relation queries the response was YES. [2024-10-31 22:17:28,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 1778 events. 66/1778 cut-off events. For 21/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 10935 event pairs, 10 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 1461. Up to 80 conditions per place. [2024-10-31 22:17:28,208 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:28,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 410 transitions, 898 flow [2024-10-31 22:17:28,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:28,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:28,212 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:28,212 INFO L175 Difference]: Start difference. First operand has 413 places, 408 transitions, 862 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:28,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 410 transitions, 898 flow [2024-10-31 22:17:28,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 410 transitions, 898 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:28,220 INFO L231 Difference]: Finished difference. Result has 414 places, 408 transitions, 872 flow [2024-10-31 22:17:28,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=872, PETRI_PLACES=414, PETRI_TRANSITIONS=408} [2024-10-31 22:17:28,221 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-31 22:17:28,222 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 408 transitions, 872 flow [2024-10-31 22:17:28,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 22:17:28,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:28,224 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] [2024-10-31 22:17:28,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:17:28,224 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:28,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash 887727743, now seen corresponding path program 1 times [2024-10-31 22:17:28,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:28,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712391111] [2024-10-31 22:17:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:28,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:28,286 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 22:17:28,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:28,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712391111] [2024-10-31 22:17:28,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712391111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:28,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:28,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:28,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050805284] [2024-10-31 22:17:28,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:28,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:28,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:28,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 408 transitions, 872 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 22:17:28,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:28,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:28,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:28,835 INFO L124 PetriNetUnfolderBase]: 75/1940 cut-off events. [2024-10-31 22:17:28,835 INFO L125 PetriNetUnfolderBase]: For 23/27 co-relation queries the response was YES. [2024-10-31 22:17:28,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 1940 events. 75/1940 cut-off events. For 23/27 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 12063 event pairs, 19 based on Foata normal form. 0/1662 useless extension candidates. Maximal degree in co-relation 1659. Up to 90 conditions per place. [2024-10-31 22:17:28,860 INFO L140 encePairwiseOnDemand]: 450/454 looper letters, 13 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2024-10-31 22:17:28,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 410 transitions, 908 flow [2024-10-31 22:17:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:28,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:28,864 INFO L175 Difference]: Start difference. First operand has 414 places, 408 transitions, 872 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:28,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 410 transitions, 908 flow [2024-10-31 22:17:28,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 410 transitions, 908 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:28,871 INFO L231 Difference]: Finished difference. Result has 415 places, 408 transitions, 882 flow [2024-10-31 22:17:28,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=412, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=415, PETRI_TRANSITIONS=408} [2024-10-31 22:17:28,873 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -10 predicate places. [2024-10-31 22:17:28,873 INFO L471 AbstractCegarLoop]: Abstraction has has 415 places, 408 transitions, 882 flow [2024-10-31 22:17:28,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 22:17:28,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:28,874 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 22:17:28,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:17:28,875 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:28,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:28,875 INFO L85 PathProgramCache]: Analyzing trace with hash -89474115, now seen corresponding path program 1 times [2024-10-31 22:17:28,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:28,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763304349] [2024-10-31 22:17:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:28,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:28,941 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 22:17:28,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:28,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763304349] [2024-10-31 22:17:28,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763304349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:28,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:28,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:28,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887017799] [2024-10-31 22:17:28,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:28,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:28,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:28,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:28,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:28,967 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-31 22:17:28,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 415 places, 408 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 22:17:28,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:28,970 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-31 22:17:28,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:29,478 INFO L124 PetriNetUnfolderBase]: 163/1738 cut-off events. [2024-10-31 22:17:29,478 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-10-31 22:17:29,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2090 conditions, 1738 events. 163/1738 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 12345 event pairs, 60 based on Foata normal form. 0/1489 useless extension candidates. Maximal degree in co-relation 1724. Up to 239 conditions per place. [2024-10-31 22:17:29,506 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/408 dead transitions. [2024-10-31 22:17:29,506 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 408 transitions, 922 flow [2024-10-31 22:17:29,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:29,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-31 22:17:29,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-31 22:17:29,511 INFO L175 Difference]: Start difference. First operand has 415 places, 408 transitions, 882 flow. Second operand 3 states and 1283 transitions. [2024-10-31 22:17:29,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 408 transitions, 922 flow [2024-10-31 22:17:29,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 408 transitions, 922 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:29,521 INFO L231 Difference]: Finished difference. Result has 414 places, 406 transitions, 888 flow [2024-10-31 22:17:29,521 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=414, PETRI_TRANSITIONS=406} [2024-10-31 22:17:29,522 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -11 predicate places. [2024-10-31 22:17:29,522 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 406 transitions, 888 flow [2024-10-31 22:17:29,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 22:17:29,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:29,524 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] [2024-10-31 22:17:29,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:17:29,524 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:29,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:29,525 INFO L85 PathProgramCache]: Analyzing trace with hash -85243873, now seen corresponding path program 1 times [2024-10-31 22:17:29,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:29,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955923136] [2024-10-31 22:17:29,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:29,598 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 22:17:29,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:29,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955923136] [2024-10-31 22:17:29,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955923136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:29,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:29,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:29,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257752364] [2024-10-31 22:17:29,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:29,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:29,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:29,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:29,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:29,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-31 22:17:29,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 406 transitions, 888 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 22:17:29,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:29,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-31 22:17:29,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:30,153 INFO L124 PetriNetUnfolderBase]: 121/1554 cut-off events. [2024-10-31 22:17:30,153 INFO L125 PetriNetUnfolderBase]: For 21/45 co-relation queries the response was YES. [2024-10-31 22:17:30,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1554 events. 121/1554 cut-off events. For 21/45 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 9833 event pairs, 52 based on Foata normal form. 3/1362 useless extension candidates. Maximal degree in co-relation 1555. Up to 191 conditions per place. [2024-10-31 22:17:30,187 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/406 dead transitions. [2024-10-31 22:17:30,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 406 transitions, 928 flow [2024-10-31 22:17:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-31 22:17:30,190 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-31 22:17:30,191 INFO L175 Difference]: Start difference. First operand has 414 places, 406 transitions, 888 flow. Second operand 3 states and 1283 transitions. [2024-10-31 22:17:30,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 406 transitions, 928 flow [2024-10-31 22:17:30,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 406 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:30,199 INFO L231 Difference]: Finished difference. Result has 413 places, 404 transitions, 894 flow [2024-10-31 22:17:30,199 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=413, PETRI_TRANSITIONS=404} [2024-10-31 22:17:30,200 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-31 22:17:30,200 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 404 transitions, 894 flow [2024-10-31 22:17:30,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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 22:17:30,201 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:30,202 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] [2024-10-31 22:17:30,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:17:30,202 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:30,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:30,203 INFO L85 PathProgramCache]: Analyzing trace with hash 845672241, now seen corresponding path program 1 times [2024-10-31 22:17:30,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:30,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078123910] [2024-10-31 22:17:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:30,256 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 22:17:30,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:30,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078123910] [2024-10-31 22:17:30,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078123910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:30,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:30,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:30,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470873403] [2024-10-31 22:17:30,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:30,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:30,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:30,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:30,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:30,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 454 [2024-10-31 22:17:30,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 404 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 22:17:30,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:30,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 454 [2024-10-31 22:17:30,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:30,758 INFO L124 PetriNetUnfolderBase]: 231/1986 cut-off events. [2024-10-31 22:17:30,759 INFO L125 PetriNetUnfolderBase]: For 51/53 co-relation queries the response was YES. [2024-10-31 22:17:30,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2492 conditions, 1986 events. 231/1986 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 13110 event pairs, 76 based on Foata normal form. 0/1789 useless extension candidates. Maximal degree in co-relation 2096. Up to 364 conditions per place. [2024-10-31 22:17:30,794 INFO L140 encePairwiseOnDemand]: 448/454 looper letters, 17 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-10-31 22:17:30,794 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 411 places, 404 transitions, 934 flow [2024-10-31 22:17:30,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:30,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1283 transitions. [2024-10-31 22:17:30,801 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9419970631424376 [2024-10-31 22:17:30,801 INFO L175 Difference]: Start difference. First operand has 413 places, 404 transitions, 894 flow. Second operand 3 states and 1283 transitions. [2024-10-31 22:17:30,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 411 places, 404 transitions, 934 flow [2024-10-31 22:17:30,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 404 transitions, 934 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:30,812 INFO L231 Difference]: Finished difference. Result has 412 places, 402 transitions, 900 flow [2024-10-31 22:17:30,813 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=402} [2024-10-31 22:17:30,815 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-31 22:17:30,816 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 402 transitions, 900 flow [2024-10-31 22:17:30,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 22:17:30,816 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:30,817 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] [2024-10-31 22:17:30,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:17:30,817 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:30,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:30,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2049955640, now seen corresponding path program 1 times [2024-10-31 22:17:30,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:30,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762118565] [2024-10-31 22:17:30,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:30,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:30,881 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 22:17:30,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:30,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762118565] [2024-10-31 22:17:30,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762118565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:30,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:30,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:30,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968187459] [2024-10-31 22:17:30,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:30,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:30,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:30,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:30,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:30,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 454 [2024-10-31 22:17:30,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 402 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 22:17:30,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:30,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 454 [2024-10-31 22:17:30,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:31,214 INFO L124 PetriNetUnfolderBase]: 55/1300 cut-off events. [2024-10-31 22:17:31,214 INFO L125 PetriNetUnfolderBase]: For 7/31 co-relation queries the response was YES. [2024-10-31 22:17:31,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1300 events. 55/1300 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6941 event pairs, 4 based on Foata normal form. 4/1205 useless extension candidates. Maximal degree in co-relation 1196. Up to 30 conditions per place. [2024-10-31 22:17:31,231 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 11 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2024-10-31 22:17:31,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 403 transitions, 930 flow [2024-10-31 22:17:31,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1295 transitions. [2024-10-31 22:17:31,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9508076358296622 [2024-10-31 22:17:31,234 INFO L175 Difference]: Start difference. First operand has 412 places, 402 transitions, 900 flow. Second operand 3 states and 1295 transitions. [2024-10-31 22:17:31,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 403 transitions, 930 flow [2024-10-31 22:17:31,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 413 places, 403 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:17:31,242 INFO L231 Difference]: Finished difference. Result has 413 places, 401 transitions, 902 flow [2024-10-31 22:17:31,242 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=898, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=902, PETRI_PLACES=413, PETRI_TRANSITIONS=401} [2024-10-31 22:17:31,243 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -12 predicate places. [2024-10-31 22:17:31,243 INFO L471 AbstractCegarLoop]: Abstraction has has 413 places, 401 transitions, 902 flow [2024-10-31 22:17:31,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 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 22:17:31,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:31,244 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] [2024-10-31 22:17:31,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:17:31,244 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:31,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:31,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1092350566, now seen corresponding path program 1 times [2024-10-31 22:17:31,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:31,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581347630] [2024-10-31 22:17:31,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:31,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:31,304 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 22:17:31,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:31,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581347630] [2024-10-31 22:17:31,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581347630] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:31,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:31,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:31,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644535797] [2024-10-31 22:17:31,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:31,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:31,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:31,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:31,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:31,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:31,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 401 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 22:17:31,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:31,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:31,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:31,688 INFO L124 PetriNetUnfolderBase]: 81/1576 cut-off events. [2024-10-31 22:17:31,689 INFO L125 PetriNetUnfolderBase]: For 19/31 co-relation queries the response was YES. [2024-10-31 22:17:31,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1889 conditions, 1576 events. 81/1576 cut-off events. For 19/31 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 9341 event pairs, 14 based on Foata normal form. 1/1465 useless extension candidates. Maximal degree in co-relation 1758. Up to 53 conditions per place. [2024-10-31 22:17:31,717 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2024-10-31 22:17:31,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 402 transitions, 934 flow [2024-10-31 22:17:31,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-10-31 22:17:31,720 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-10-31 22:17:31,720 INFO L175 Difference]: Start difference. First operand has 413 places, 401 transitions, 902 flow. Second operand 3 states and 1293 transitions. [2024-10-31 22:17:31,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 402 transitions, 934 flow [2024-10-31 22:17:31,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 402 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:31,728 INFO L231 Difference]: Finished difference. Result has 412 places, 400 transitions, 900 flow [2024-10-31 22:17:31,728 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=900, PETRI_PLACES=412, PETRI_TRANSITIONS=400} [2024-10-31 22:17:31,729 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -13 predicate places. [2024-10-31 22:17:31,729 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 400 transitions, 900 flow [2024-10-31 22:17:31,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 427.6666666666667) internal successors, (1283), 3 states have internal predecessors, (1283), 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 22:17:31,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:31,730 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] [2024-10-31 22:17:31,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-31 22:17:31,731 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting thread3Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:31,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:31,731 INFO L85 PathProgramCache]: Analyzing trace with hash -370909162, now seen corresponding path program 1 times [2024-10-31 22:17:31,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:31,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875254987] [2024-10-31 22:17:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:31,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:31,782 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 22:17:31,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:31,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875254987] [2024-10-31 22:17:31,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875254987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:31,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:31,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487090708] [2024-10-31 22:17:31,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:31,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:31,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:31,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:31,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:31,803 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:31,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 400 transitions, 900 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 22:17:31,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:31,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:31,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:32,122 INFO L124 PetriNetUnfolderBase]: 65/1219 cut-off events. [2024-10-31 22:17:32,122 INFO L125 PetriNetUnfolderBase]: For 25/31 co-relation queries the response was YES. [2024-10-31 22:17:32,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1219 events. 65/1219 cut-off events. For 25/31 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 6137 event pairs, 10 based on Foata normal form. 0/1146 useless extension candidates. Maximal degree in co-relation 1397. Up to 63 conditions per place. [2024-10-31 22:17:32,144 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 12 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-10-31 22:17:32,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 401 transitions, 932 flow [2024-10-31 22:17:32,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:32,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2024-10-31 22:17:32,147 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9493392070484582 [2024-10-31 22:17:32,147 INFO L175 Difference]: Start difference. First operand has 412 places, 400 transitions, 900 flow. Second operand 3 states and 1293 transitions. [2024-10-31 22:17:32,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 401 transitions, 932 flow [2024-10-31 22:17:32,150 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 401 transitions, 928 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:32,155 INFO L231 Difference]: Finished difference. Result has 411 places, 399 transitions, 898 flow [2024-10-31 22:17:32,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=898, PETRI_PLACES=411, PETRI_TRANSITIONS=399} [2024-10-31 22:17:32,157 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -14 predicate places. [2024-10-31 22:17:32,158 INFO L471 AbstractCegarLoop]: Abstraction has has 411 places, 399 transitions, 898 flow [2024-10-31 22:17:32,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 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 22:17:32,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:32,159 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:32,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-31 22:17:32,159 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:32,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:32,160 INFO L85 PathProgramCache]: Analyzing trace with hash -433715592, now seen corresponding path program 1 times [2024-10-31 22:17:32,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:32,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615457615] [2024-10-31 22:17:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:32,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:32,270 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 22:17:32,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:32,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615457615] [2024-10-31 22:17:32,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615457615] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:32,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:32,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:32,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43353342] [2024-10-31 22:17:32,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:32,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:32,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:32,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:32,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:32,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 454 [2024-10-31 22:17:32,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 411 places, 399 transitions, 898 flow. Second operand has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 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 22:17:32,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:32,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 454 [2024-10-31 22:17:32,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:32,620 INFO L124 PetriNetUnfolderBase]: 49/1259 cut-off events. [2024-10-31 22:17:32,621 INFO L125 PetriNetUnfolderBase]: For 7/16 co-relation queries the response was YES. [2024-10-31 22:17:32,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1483 conditions, 1259 events. 49/1259 cut-off events. For 7/16 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6503 event pairs, 2 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 1326. Up to 30 conditions per place. [2024-10-31 22:17:32,634 INFO L140 encePairwiseOnDemand]: 452/454 looper letters, 8 selfloop transitions, 1 changer transitions 0/398 dead transitions. [2024-10-31 22:17:32,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 398 transitions, 914 flow [2024-10-31 22:17:32,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-10-31 22:17:32,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9522760646108663 [2024-10-31 22:17:32,638 INFO L175 Difference]: Start difference. First operand has 411 places, 399 transitions, 898 flow. Second operand 3 states and 1297 transitions. [2024-10-31 22:17:32,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 398 transitions, 914 flow [2024-10-31 22:17:32,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 410 places, 398 transitions, 910 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:17:32,646 INFO L231 Difference]: Finished difference. Result has 410 places, 398 transitions, 894 flow [2024-10-31 22:17:32,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=408, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=410, PETRI_TRANSITIONS=398} [2024-10-31 22:17:32,647 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -15 predicate places. [2024-10-31 22:17:32,648 INFO L471 AbstractCegarLoop]: Abstraction has has 410 places, 398 transitions, 894 flow [2024-10-31 22:17:32,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.0) internal successors, (1296), 3 states have internal predecessors, (1296), 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 22:17:32,648 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:32,649 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:32,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-31 22:17:32,649 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:32,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:32,649 INFO L85 PathProgramCache]: Analyzing trace with hash 41553439, now seen corresponding path program 1 times [2024-10-31 22:17:32,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:32,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998443579] [2024-10-31 22:17:32,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:32,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:32,752 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 22:17:32,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:32,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998443579] [2024-10-31 22:17:32,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998443579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:32,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:32,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:32,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467584312] [2024-10-31 22:17:32,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:32,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:32,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:32,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:32,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:32,770 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:32,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 410 places, 398 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 22:17:32,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:32,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:32,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:33,115 INFO L124 PetriNetUnfolderBase]: 60/1492 cut-off events. [2024-10-31 22:17:33,115 INFO L125 PetriNetUnfolderBase]: For 7/13 co-relation queries the response was YES. [2024-10-31 22:17:33,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 1492 events. 60/1492 cut-off events. For 7/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 8525 event pairs, 7 based on Foata normal form. 0/1401 useless extension candidates. Maximal degree in co-relation 1694. Up to 36 conditions per place. [2024-10-31 22:17:33,138 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 10 selfloop transitions, 1 changer transitions 0/396 dead transitions. [2024-10-31 22:17:33,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 396 transitions, 912 flow [2024-10-31 22:17:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2024-10-31 22:17:33,141 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478707782672541 [2024-10-31 22:17:33,141 INFO L175 Difference]: Start difference. First operand has 410 places, 398 transitions, 894 flow. Second operand 3 states and 1291 transitions. [2024-10-31 22:17:33,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 396 transitions, 912 flow [2024-10-31 22:17:33,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 409 places, 396 transitions, 911 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:17:33,148 INFO L231 Difference]: Finished difference. Result has 409 places, 396 transitions, 891 flow [2024-10-31 22:17:33,149 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=409, PETRI_TRANSITIONS=396} [2024-10-31 22:17:33,149 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -16 predicate places. [2024-10-31 22:17:33,149 INFO L471 AbstractCegarLoop]: Abstraction has has 409 places, 396 transitions, 891 flow [2024-10-31 22:17:33,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 22:17:33,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:17:33,150 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:33,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-31 22:17:33,151 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2024-10-31 22:17:33,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:33,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1033353884, now seen corresponding path program 1 times [2024-10-31 22:17:33,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:33,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309959510] [2024-10-31 22:17:33,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:33,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:33,256 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 22:17:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309959510] [2024-10-31 22:17:33,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309959510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:33,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:33,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:17:33,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108855249] [2024-10-31 22:17:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:33,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:17:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:33,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:17:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:17:33,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 454 [2024-10-31 22:17:33,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 396 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 22:17:33,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:17:33,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 454 [2024-10-31 22:17:33,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:17:33,612 INFO L124 PetriNetUnfolderBase]: 50/1171 cut-off events. [2024-10-31 22:17:33,612 INFO L125 PetriNetUnfolderBase]: For 10/16 co-relation queries the response was YES. [2024-10-31 22:17:33,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1374 conditions, 1171 events. 50/1171 cut-off events. For 10/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5851 event pairs, 5 based on Foata normal form. 1/1103 useless extension candidates. Maximal degree in co-relation 1349. Up to 36 conditions per place. [2024-10-31 22:17:33,635 INFO L140 encePairwiseOnDemand]: 451/454 looper letters, 0 selfloop transitions, 0 changer transitions 394/394 dead transitions. [2024-10-31 22:17:33,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 394 transitions, 907 flow [2024-10-31 22:17:33,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:17:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:17:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1290 transitions. [2024-10-31 22:17:33,645 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.947136563876652 [2024-10-31 22:17:33,645 INFO L175 Difference]: Start difference. First operand has 409 places, 396 transitions, 891 flow. Second operand 3 states and 1290 transitions. [2024-10-31 22:17:33,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 394 transitions, 907 flow [2024-10-31 22:17:33,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 394 transitions, 906 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:17:33,660 INFO L231 Difference]: Finished difference. Result has 408 places, 0 transitions, 0 flow [2024-10-31 22:17:33,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=454, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=406, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=408, PETRI_TRANSITIONS=0} [2024-10-31 22:17:33,666 INFO L277 CegarLoopForPetriNet]: 425 programPoint places, -17 predicate places. [2024-10-31 22:17:33,666 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 0 transitions, 0 flow [2024-10-31 22:17:33,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 429.0) internal successors, (1287), 3 states have internal predecessors, (1287), 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 22:17:33,674 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2024-10-31 22:17:33,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2024-10-31 22:17:33,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2024-10-31 22:17:33,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2024-10-31 22:17:33,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2024-10-31 22:17:33,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2024-10-31 22:17:33,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2024-10-31 22:17:33,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2024-10-31 22:17:33,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2024-10-31 22:17:33,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2024-10-31 22:17:33,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2024-10-31 22:17:33,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2024-10-31 22:17:33,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2024-10-31 22:17:33,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2024-10-31 22:17:33,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2024-10-31 22:17:33,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2024-10-31 22:17:33,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2024-10-31 22:17:33,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2024-10-31 22:17:33,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2024-10-31 22:17:33,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2024-10-31 22:17:33,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2024-10-31 22:17:33,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2024-10-31 22:17:33,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2024-10-31 22:17:33,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2024-10-31 22:17:33,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2024-10-31 22:17:33,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2024-10-31 22:17:33,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2024-10-31 22:17:33,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2024-10-31 22:17:33,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2024-10-31 22:17:33,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2024-10-31 22:17:33,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2024-10-31 22:17:33,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2024-10-31 22:17:33,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2024-10-31 22:17:33,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2024-10-31 22:17:33,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2024-10-31 22:17:33,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2024-10-31 22:17:33,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2024-10-31 22:17:33,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2024-10-31 22:17:33,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2024-10-31 22:17:33,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2024-10-31 22:17:33,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2024-10-31 22:17:33,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2024-10-31 22:17:33,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2024-10-31 22:17:33,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2024-10-31 22:17:33,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2024-10-31 22:17:33,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2024-10-31 22:17:33,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2024-10-31 22:17:33,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2024-10-31 22:17:33,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2024-10-31 22:17:33,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2024-10-31 22:17:33,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2024-10-31 22:17:33,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2024-10-31 22:17:33,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2024-10-31 22:17:33,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2024-10-31 22:17:33,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2024-10-31 22:17:33,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2024-10-31 22:17:33,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2024-10-31 22:17:33,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2024-10-31 22:17:33,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2024-10-31 22:17:33,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2024-10-31 22:17:33,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2024-10-31 22:17:33,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2024-10-31 22:17:33,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2024-10-31 22:17:33,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2024-10-31 22:17:33,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2024-10-31 22:17:33,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2024-10-31 22:17:33,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2024-10-31 22:17:33,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2024-10-31 22:17:33,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2024-10-31 22:17:33,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2024-10-31 22:17:33,698 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2024-10-31 22:17:33,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-31 22:17:33,699 INFO L407 BasicCegarLoop]: Path program 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] [2024-10-31 22:17:33,707 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:17:33,707 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:17:33,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:17:33 BasicIcfg [2024-10-31 22:17:33,714 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:17:33,715 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:17:33,715 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:17:33,715 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:17:33,716 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:21" (3/4) ... [2024-10-31 22:17:33,718 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:17:33,722 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-31 22:17:33,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-31 22:17:33,723 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-31 22:17:33,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-10-31 22:17:33,734 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-31 22:17:33,735 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:17:33,735 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:17:33,878 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:17:33,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:17:33,879 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:17:33,880 INFO L158 Benchmark]: Toolchain (without parser) took 13930.84ms. Allocated memory was 197.1MB in the beginning and 549.5MB in the end (delta: 352.3MB). Free memory was 158.0MB in the beginning and 406.2MB in the end (delta: -248.2MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,880 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:17:33,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.71ms. Allocated memory is still 197.1MB. Free memory was 157.6MB in the beginning and 143.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.96ms. Allocated memory is still 197.1MB. Free memory was 143.7MB in the beginning and 140.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,881 INFO L158 Benchmark]: Boogie Preprocessor took 34.50ms. Allocated memory is still 197.1MB. Free memory was 140.8MB in the beginning and 139.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,882 INFO L158 Benchmark]: RCFGBuilder took 1028.66ms. Allocated memory is still 197.1MB. Free memory was 139.2MB in the beginning and 164.0MB in the end (delta: -24.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,882 INFO L158 Benchmark]: TraceAbstraction took 12257.78ms. Allocated memory was 197.1MB in the beginning and 549.5MB in the end (delta: 352.3MB). Free memory was 163.5MB in the beginning and 411.5MB in the end (delta: -248.0MB). Peak memory consumption was 255.7MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,883 INFO L158 Benchmark]: Witness Printer took 164.06ms. Allocated memory is still 549.5MB. Free memory was 411.5MB in the beginning and 406.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:17:33,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.71ms. Allocated memory is still 197.1MB. Free memory was 157.6MB in the beginning and 143.7MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.96ms. Allocated memory is still 197.1MB. Free memory was 143.7MB in the beginning and 140.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.50ms. Allocated memory is still 197.1MB. Free memory was 140.8MB in the beginning and 139.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1028.66ms. Allocated memory is still 197.1MB. Free memory was 139.2MB in the beginning and 164.0MB in the end (delta: -24.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12257.78ms. Allocated memory was 197.1MB in the beginning and 549.5MB in the end (delta: 352.3MB). Free memory was 163.5MB in the beginning and 411.5MB in the end (delta: -248.0MB). Peak memory consumption was 255.7MB. Max. memory is 16.1GB. * Witness Printer took 164.06ms. Allocated memory is still 549.5MB. Free memory was 411.5MB in the beginning and 406.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 710 locations, 71 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.0s, OverallIterations: 24, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 527 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 129 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 129 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=902occurred in iteration=19, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 3270 NumberOfCodeBlocks, 3270 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3246 ConstructedInterpolants, 0 QuantifiedInterpolants, 3294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-31 22:17:33,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3667cc9b-40af-4cca-9dd2-b13e61015c1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE