./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:35:56,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:35:56,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:35:56,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:35:56,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:35:56,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:35:56,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:35:56,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:35:56,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:35:56,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:35:56,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:35:56,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:35:56,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:35:56,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:35:56,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:35:56,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:35:56,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:35:56,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:35:56,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:35:56,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:35:56,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:35:56,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:35:56,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:35:56,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:35:56,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:35:56,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:35:56,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:35:56,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:35:56,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:35:56,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:35:56,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:35:56,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:35:56,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:35:56,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:35:56,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:35:56,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:35:56,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:35:56,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:35:56,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:35:56,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:35:56,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:35:56,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 09:35:56,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:35:56,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:35:56,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:35:56,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:35:56,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:35:56,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:35:56,766 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:35:56,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:35:56,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:35:56,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:35:56,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:35:56,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:35:56,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 09:35:56,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:35:56,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:35:56,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 09:35:56,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:35:56,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:35:56,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 09:35:56,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 09:35:56,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:35:56,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 09:35:56,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 09:35:56,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 09:35:56,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 09:35:56,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:35:56,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e [2021-11-09 09:35:57,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:35:57,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:35:57,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:35:57,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:35:57,116 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:35:57,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2021-11-09 09:35:57,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/data/37fb28132/524327958f054fda817ed4fc465c4003/FLAGa29e5ff49 [2021-11-09 09:35:57,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:35:57,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c [2021-11-09 09:35:57,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/data/37fb28132/524327958f054fda817ed4fc465c4003/FLAGa29e5ff49 [2021-11-09 09:35:58,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/data/37fb28132/524327958f054fda817ed4fc465c4003 [2021-11-09 09:35:58,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:35:58,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:35:58,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:35:58,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:35:58,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:35:58,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a1224b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58, skipping insertion in model container [2021-11-09 09:35:58,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:35:58,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:35:58,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2021-11-09 09:35:58,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:35:58,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:35:58,335 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/sv-benchmarks/c/weaver/popl20-difference-det.wvr.c[2507,2520] [2021-11-09 09:35:58,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:35:58,352 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:35:58,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58 WrapperNode [2021-11-09 09:35:58,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:35:58,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:35:58,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:35:58,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:35:58,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:35:58,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:35:58,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:35:58,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:35:58,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:35:58,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:35:58,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:35:58,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:35:58,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (1/1) ... [2021-11-09 09:35:58,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 09:35:58,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:35:58,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 09:35:58,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 09:35:58,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-09 09:35:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-09 09:35:58,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-09 09:35:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-09 09:35:58,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-09 09:35:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-09 09:35:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-09 09:35:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-09 09:35:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:35:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:35:58,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 09:35:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-09 09:35:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-09 09:35:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:35:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:35:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 09:35:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 09:35:58,541 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 09:35:59,124 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:35:59,124 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-11-09 09:35:59,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:59 BoogieIcfgContainer [2021-11-09 09:35:59,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:35:59,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 09:35:59,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 09:35:59,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 09:35:59,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 09:35:58" (1/3) ... [2021-11-09 09:35:59,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d5bf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:59, skipping insertion in model container [2021-11-09 09:35:59,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:35:58" (2/3) ... [2021-11-09 09:35:59,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18d5bf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 09:35:59, skipping insertion in model container [2021-11-09 09:35:59,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:35:59" (3/3) ... [2021-11-09 09:35:59,136 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2021-11-09 09:35:59,142 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 09:35:59,142 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 09:35:59,142 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 09:35:59,142 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 09:35:59,177 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,178 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,178 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,179 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,179 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,179 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,179 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,180 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,181 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,184 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,184 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,185 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,185 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,186 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,186 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,186 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,187 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,188 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,189 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,191 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,192 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,192 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,192 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,192 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,193 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,193 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,194 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,194 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,195 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,195 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,195 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,196 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,197 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,198 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,198 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,198 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,198 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,199 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,199 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,200 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,201 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,201 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,202 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,202 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,203 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,203 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,203 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,204 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,204 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,205 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,205 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,205 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,205 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,206 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,207 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,207 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,208 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,209 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,210 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,210 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,210 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,210 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,211 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,211 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,211 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,212 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,212 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,212 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,215 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,215 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,216 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,216 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,216 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,218 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,219 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,219 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,221 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,221 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_~i~3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,221 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,221 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,222 WARN L322 ript$VariableManager]: TermVariabe thread4Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,222 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,222 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,225 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork3_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 09:35:59,236 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-09 09:35:59,281 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 09:35:59,288 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-09 09:35:59,289 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-09 09:35:59,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 122 transitions, 276 flow [2021-11-09 09:35:59,359 INFO L129 PetriNetUnfolder]: 9/118 cut-off events. [2021-11-09 09:35:59,359 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-09 09:35:59,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 118 events. 9/118 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 94 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2021-11-09 09:35:59,366 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 122 transitions, 276 flow [2021-11-09 09:35:59,372 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 110 places, 106 transitions, 236 flow [2021-11-09 09:35:59,423 INFO L129 PetriNetUnfolder]: 9/105 cut-off events. [2021-11-09 09:35:59,423 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-09 09:35:59,423 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:59,424 INFO L254 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] [2021-11-09 09:35:59,425 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:35:59,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:59,430 INFO L85 PathProgramCache]: Analyzing trace with hash 986721807, now seen corresponding path program 1 times [2021-11-09 09:35:59,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:59,439 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772451768] [2021-11-09 09:35:59,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:59,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:35:59,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:35:59,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:35:59,658 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772451768] [2021-11-09 09:35:59,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772451768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:35:59,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:35:59,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 09:35:59,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35713360] [2021-11-09 09:35:59,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 09:35:59,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:35:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 09:35:59,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 09:35:59,690 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 122 [2021-11-09 09:35:59,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 106 transitions, 236 flow. Second operand has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2021-11-09 09:35:59,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:35:59,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 122 [2021-11-09 09:35:59,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:35:59,750 INFO L129 PetriNetUnfolder]: 4/101 cut-off events. [2021-11-09 09:35:59,750 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-09 09:35:59,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 101 events. 4/101 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 5/101 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2021-11-09 09:35:59,754 INFO L132 encePairwiseOnDemand]: 117/122 looper letters, 0 selfloop transitions, 0 changer transitions 1/101 dead transitions. [2021-11-09 09:35:59,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 101 transitions, 226 flow [2021-11-09 09:35:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 09:35:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-09 09:35:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 237 transitions. [2021-11-09 09:35:59,767 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9713114754098361 [2021-11-09 09:35:59,768 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 237 transitions. [2021-11-09 09:35:59,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 237 transitions. [2021-11-09 09:35:59,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:35:59,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 237 transitions. [2021-11-09 09:35:59,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 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) [2021-11-09 09:35:59,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2021-11-09 09:35:59,782 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2021-11-09 09:35:59,784 INFO L186 Difference]: Start difference. First operand has 110 places, 106 transitions, 236 flow. Second operand 2 states and 237 transitions. [2021-11-09 09:35:59,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 101 transitions, 226 flow [2021-11-09 09:35:59,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 101 transitions, 210 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-11-09 09:35:59,793 INFO L242 Difference]: Finished difference. Result has 103 places, 100 transitions, 208 flow [2021-11-09 09:35:59,795 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=208, PETRI_PLACES=103, PETRI_TRANSITIONS=100} [2021-11-09 09:35:59,796 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, -7 predicate places. [2021-11-09 09:35:59,797 INFO L470 AbstractCegarLoop]: Abstraction has has 103 places, 100 transitions, 208 flow [2021-11-09 09:35:59,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2021-11-09 09:35:59,798 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:35:59,798 INFO L254 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] [2021-11-09 09:35:59,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 09:35:59,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:35:59,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:35:59,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1780732621, now seen corresponding path program 1 times [2021-11-09 09:35:59,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:35:59,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312126466] [2021-11-09 09:35:59,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:35:59,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:35:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:00,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:00,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312126466] [2021-11-09 09:36:00,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312126466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:00,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:00,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-09 09:36:00,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369304361] [2021-11-09 09:36:00,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-09 09:36:00,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:00,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-09 09:36:00,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-09 09:36:00,165 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 122 [2021-11-09 09:36:00,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 100 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 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) [2021-11-09 09:36:00,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:00,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 122 [2021-11-09 09:36:00,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:00,306 INFO L129 PetriNetUnfolder]: 38/235 cut-off events. [2021-11-09 09:36:00,306 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 09:36:00,309 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 235 events. 38/235 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 708 event pairs, 5 based on Foata normal form. 5/210 useless extension candidates. Maximal degree in co-relation 292. Up to 40 conditions per place. [2021-11-09 09:36:00,311 INFO L132 encePairwiseOnDemand]: 113/122 looper letters, 14 selfloop transitions, 5 changer transitions 3/112 dead transitions. [2021-11-09 09:36:00,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 112 transitions, 276 flow [2021-11-09 09:36:00,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:36:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:36:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 656 transitions. [2021-11-09 09:36:00,317 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8961748633879781 [2021-11-09 09:36:00,317 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 656 transitions. [2021-11-09 09:36:00,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 656 transitions. [2021-11-09 09:36:00,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:00,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 656 transitions. [2021-11-09 09:36:00,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2021-11-09 09:36:00,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:00,327 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:00,327 INFO L186 Difference]: Start difference. First operand has 103 places, 100 transitions, 208 flow. Second operand 6 states and 656 transitions. [2021-11-09 09:36:00,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 112 transitions, 276 flow [2021-11-09 09:36:00,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 112 transitions, 276 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 09:36:00,333 INFO L242 Difference]: Finished difference. Result has 111 places, 103 transitions, 247 flow [2021-11-09 09:36:00,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=247, PETRI_PLACES=111, PETRI_TRANSITIONS=103} [2021-11-09 09:36:00,334 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 1 predicate places. [2021-11-09 09:36:00,334 INFO L470 AbstractCegarLoop]: Abstraction has has 111 places, 103 transitions, 247 flow [2021-11-09 09:36:00,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 106.0) internal successors, (636), 6 states have internal predecessors, (636), 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) [2021-11-09 09:36:00,335 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:00,335 INFO L254 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] [2021-11-09 09:36:00,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 09:36:00,336 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:00,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:00,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2406017, now seen corresponding path program 1 times [2021-11-09 09:36:00,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:00,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436344759] [2021-11-09 09:36:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:00,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:00,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:00,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:00,452 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436344759] [2021-11-09 09:36:00,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436344759] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:00,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163753899] [2021-11-09 09:36:00,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:00,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:00,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:00,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-09 09:36:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:00,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:36:00,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:01,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163753899] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:01,002 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:01,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-11-09 09:36:01,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751174845] [2021-11-09 09:36:01,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 09:36:01,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:01,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 09:36:01,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:36:01,012 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:01,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 103 transitions, 247 flow. Second operand has 8 states, 8 states have (on average 104.125) internal successors, (833), 8 states have internal predecessors, (833), 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) [2021-11-09 09:36:01,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:01,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:01,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:01,381 INFO L129 PetriNetUnfolder]: 295/1055 cut-off events. [2021-11-09 09:36:01,381 INFO L130 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2021-11-09 09:36:01,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1664 conditions, 1055 events. 295/1055 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 7338 event pairs, 42 based on Foata normal form. 0/898 useless extension candidates. Maximal degree in co-relation 1656. Up to 145 conditions per place. [2021-11-09 09:36:01,407 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 45 selfloop transitions, 12 changer transitions 0/146 dead transitions. [2021-11-09 09:36:01,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 146 transitions, 451 flow [2021-11-09 09:36:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:36:01,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-09 09:36:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 978 transitions. [2021-11-09 09:36:01,412 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8907103825136612 [2021-11-09 09:36:01,412 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 978 transitions. [2021-11-09 09:36:01,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 978 transitions. [2021-11-09 09:36:01,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:01,414 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 978 transitions. [2021-11-09 09:36:01,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 108.66666666666667) internal successors, (978), 9 states have internal predecessors, (978), 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) [2021-11-09 09:36:01,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-11-09 09:36:01,437 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-11-09 09:36:01,438 INFO L186 Difference]: Start difference. First operand has 111 places, 103 transitions, 247 flow. Second operand 9 states and 978 transitions. [2021-11-09 09:36:01,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 146 transitions, 451 flow [2021-11-09 09:36:01,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 146 transitions, 447 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-11-09 09:36:01,445 INFO L242 Difference]: Finished difference. Result has 120 places, 115 transitions, 331 flow [2021-11-09 09:36:01,445 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=331, PETRI_PLACES=120, PETRI_TRANSITIONS=115} [2021-11-09 09:36:01,446 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 10 predicate places. [2021-11-09 09:36:01,446 INFO L470 AbstractCegarLoop]: Abstraction has has 120 places, 115 transitions, 331 flow [2021-11-09 09:36:01,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 104.125) internal successors, (833), 8 states have internal predecessors, (833), 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) [2021-11-09 09:36:01,447 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:01,447 INFO L254 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] [2021-11-09 09:36:01,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:01,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:01,672 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:01,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:01,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1472345937, now seen corresponding path program 2 times [2021-11-09 09:36:01,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:01,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657259876] [2021-11-09 09:36:01,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:01,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:01,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:01,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657259876] [2021-11-09 09:36:01,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657259876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:01,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:01,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:36:01,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150420399] [2021-11-09 09:36:01,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:36:01,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:01,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:36:01,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:36:01,765 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:01,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 115 transitions, 331 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:01,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:01,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:01,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:02,100 INFO L129 PetriNetUnfolder]: 368/1299 cut-off events. [2021-11-09 09:36:02,100 INFO L130 PetriNetUnfolder]: For 781/781 co-relation queries the response was YES. [2021-11-09 09:36:02,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2629 conditions, 1299 events. 368/1299 cut-off events. For 781/781 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 9450 event pairs, 154 based on Foata normal form. 1/1173 useless extension candidates. Maximal degree in co-relation 2617. Up to 310 conditions per place. [2021-11-09 09:36:02,132 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 32 selfloop transitions, 12 changer transitions 3/136 dead transitions. [2021-11-09 09:36:02,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 136 transitions, 521 flow [2021-11-09 09:36:02,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:36:02,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:36:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-11-09 09:36:02,135 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8770491803278688 [2021-11-09 09:36:02,135 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-11-09 09:36:02,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-11-09 09:36:02,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:02,136 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-11-09 09:36:02,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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) [2021-11-09 09:36:02,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:02,142 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:02,143 INFO L186 Difference]: Start difference. First operand has 120 places, 115 transitions, 331 flow. Second operand 6 states and 642 transitions. [2021-11-09 09:36:02,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 136 transitions, 521 flow [2021-11-09 09:36:02,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 136 transitions, 521 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 09:36:02,154 INFO L242 Difference]: Finished difference. Result has 128 places, 117 transitions, 390 flow [2021-11-09 09:36:02,155 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=390, PETRI_PLACES=128, PETRI_TRANSITIONS=117} [2021-11-09 09:36:02,155 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 18 predicate places. [2021-11-09 09:36:02,156 INFO L470 AbstractCegarLoop]: Abstraction has has 128 places, 117 transitions, 390 flow [2021-11-09 09:36:02,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:02,156 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:02,156 INFO L254 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] [2021-11-09 09:36:02,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 09:36:02,164 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash 221524115, now seen corresponding path program 1 times [2021-11-09 09:36:02,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:02,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140588224] [2021-11-09 09:36:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:02,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:02,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:02,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:02,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140588224] [2021-11-09 09:36:02,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140588224] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:02,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170291498] [2021-11-09 09:36:02,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:02,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:02,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:02,296 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:02,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-09 09:36:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:02,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:36:02,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:02,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170291498] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:02,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:02,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-11-09 09:36:02,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007180885] [2021-11-09 09:36:02,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-09 09:36:02,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:02,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-09 09:36:02,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-09 09:36:02,680 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:02,681 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 117 transitions, 390 flow. Second operand has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 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) [2021-11-09 09:36:02,682 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:02,682 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:02,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:03,170 INFO L129 PetriNetUnfolder]: 511/1671 cut-off events. [2021-11-09 09:36:03,171 INFO L130 PetriNetUnfolder]: For 1636/1636 co-relation queries the response was YES. [2021-11-09 09:36:03,193 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3713 conditions, 1671 events. 511/1671 cut-off events. For 1636/1636 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 12730 event pairs, 112 based on Foata normal form. 10/1524 useless extension candidates. Maximal degree in co-relation 3697. Up to 347 conditions per place. [2021-11-09 09:36:03,214 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 60 selfloop transitions, 19 changer transitions 0/168 dead transitions. [2021-11-09 09:36:03,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 168 transitions, 806 flow [2021-11-09 09:36:03,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-09 09:36:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-09 09:36:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 974 transitions. [2021-11-09 09:36:03,219 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8870673952641166 [2021-11-09 09:36:03,219 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 974 transitions. [2021-11-09 09:36:03,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 974 transitions. [2021-11-09 09:36:03,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:03,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 974 transitions. [2021-11-09 09:36:03,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 108.22222222222223) internal successors, (974), 9 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:03,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-11-09 09:36:03,230 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 122.0) internal successors, (1220), 10 states have internal predecessors, (1220), 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) [2021-11-09 09:36:03,230 INFO L186 Difference]: Start difference. First operand has 128 places, 117 transitions, 390 flow. Second operand 9 states and 974 transitions. [2021-11-09 09:36:03,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 168 transitions, 806 flow [2021-11-09 09:36:03,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 168 transitions, 760 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-11-09 09:36:03,246 INFO L242 Difference]: Finished difference. Result has 136 places, 127 transitions, 500 flow [2021-11-09 09:36:03,246 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=500, PETRI_PLACES=136, PETRI_TRANSITIONS=127} [2021-11-09 09:36:03,247 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 26 predicate places. [2021-11-09 09:36:03,247 INFO L470 AbstractCegarLoop]: Abstraction has has 136 places, 127 transitions, 500 flow [2021-11-09 09:36:03,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 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) [2021-11-09 09:36:03,248 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:03,248 INFO L254 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] [2021-11-09 09:36:03,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:03,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:03,470 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:03,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:03,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1199399043, now seen corresponding path program 2 times [2021-11-09 09:36:03,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:03,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504959385] [2021-11-09 09:36:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:03,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:03,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:03,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504959385] [2021-11-09 09:36:03,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504959385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:03,540 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:03,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:36:03,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827099221] [2021-11-09 09:36:03,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:36:03,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:03,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:36:03,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:36:03,557 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:03,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 127 transitions, 500 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:03,559 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:03,559 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:03,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:04,006 INFO L129 PetriNetUnfolder]: 503/1682 cut-off events. [2021-11-09 09:36:04,006 INFO L130 PetriNetUnfolder]: For 1999/1999 co-relation queries the response was YES. [2021-11-09 09:36:04,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3841 conditions, 1682 events. 503/1682 cut-off events. For 1999/1999 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 12987 event pairs, 214 based on Foata normal form. 1/1534 useless extension candidates. Maximal degree in co-relation 3822. Up to 330 conditions per place. [2021-11-09 09:36:04,056 INFO L132 encePairwiseOnDemand]: 115/122 looper letters, 40 selfloop transitions, 13 changer transitions 4/146 dead transitions. [2021-11-09 09:36:04,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 146 transitions, 741 flow [2021-11-09 09:36:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:36:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:36:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 644 transitions. [2021-11-09 09:36:04,059 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8797814207650273 [2021-11-09 09:36:04,059 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 644 transitions. [2021-11-09 09:36:04,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 644 transitions. [2021-11-09 09:36:04,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:04,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 644 transitions. [2021-11-09 09:36:04,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.33333333333333) internal successors, (644), 6 states have internal predecessors, (644), 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) [2021-11-09 09:36:04,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:04,065 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:04,066 INFO L186 Difference]: Start difference. First operand has 136 places, 127 transitions, 500 flow. Second operand 6 states and 644 transitions. [2021-11-09 09:36:04,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 146 transitions, 741 flow [2021-11-09 09:36:04,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 727 flow, removed 7 selfloop flow, removed 0 redundant places. [2021-11-09 09:36:04,079 INFO L242 Difference]: Finished difference. Result has 143 places, 127 transitions, 517 flow [2021-11-09 09:36:04,079 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=517, PETRI_PLACES=143, PETRI_TRANSITIONS=127} [2021-11-09 09:36:04,080 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 33 predicate places. [2021-11-09 09:36:04,080 INFO L470 AbstractCegarLoop]: Abstraction has has 143 places, 127 transitions, 517 flow [2021-11-09 09:36:04,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:04,081 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:04,081 INFO L254 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] [2021-11-09 09:36:04,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 09:36:04,081 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:04,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:04,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1018802027, now seen corresponding path program 3 times [2021-11-09 09:36:04,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:04,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391040023] [2021-11-09 09:36:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:04,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:04,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:04,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391040023] [2021-11-09 09:36:04,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391040023] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:04,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952465974] [2021-11-09 09:36:04,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 09:36:04,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:04,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:04,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:04,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-09 09:36:04,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-09 09:36:04,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:04,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:36:04,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:04,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:04,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952465974] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:04,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:04,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-11-09 09:36:04,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793014282] [2021-11-09 09:36:04,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:36:04,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:04,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:36:04,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:36:04,599 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:04,601 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 127 transitions, 517 flow. Second operand has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:04,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:04,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:04,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:05,041 INFO L129 PetriNetUnfolder]: 588/1969 cut-off events. [2021-11-09 09:36:05,041 INFO L130 PetriNetUnfolder]: For 2755/2756 co-relation queries the response was YES. [2021-11-09 09:36:05,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4555 conditions, 1969 events. 588/1969 cut-off events. For 2755/2756 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 15713 event pairs, 199 based on Foata normal form. 12/1789 useless extension candidates. Maximal degree in co-relation 4533. Up to 396 conditions per place. [2021-11-09 09:36:05,095 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 49 selfloop transitions, 23 changer transitions 0/161 dead transitions. [2021-11-09 09:36:05,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 161 transitions, 906 flow [2021-11-09 09:36:05,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 09:36:05,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-09 09:36:05,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 762 transitions. [2021-11-09 09:36:05,099 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.892271662763466 [2021-11-09 09:36:05,099 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 762 transitions. [2021-11-09 09:36:05,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 762 transitions. [2021-11-09 09:36:05,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:05,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 762 transitions. [2021-11-09 09:36:05,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 108.85714285714286) internal successors, (762), 7 states have internal predecessors, (762), 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) [2021-11-09 09:36:05,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-11-09 09:36:05,107 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-11-09 09:36:05,107 INFO L186 Difference]: Start difference. First operand has 143 places, 127 transitions, 517 flow. Second operand 7 states and 762 transitions. [2021-11-09 09:36:05,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 161 transitions, 906 flow [2021-11-09 09:36:05,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 161 transitions, 879 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-11-09 09:36:05,124 INFO L242 Difference]: Finished difference. Result has 150 places, 137 transitions, 694 flow [2021-11-09 09:36:05,124 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=694, PETRI_PLACES=150, PETRI_TRANSITIONS=137} [2021-11-09 09:36:05,125 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 40 predicate places. [2021-11-09 09:36:05,125 INFO L470 AbstractCegarLoop]: Abstraction has has 150 places, 137 transitions, 694 flow [2021-11-09 09:36:05,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:05,127 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:05,127 INFO L254 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] [2021-11-09 09:36:05,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:05,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-09 09:36:05,344 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:05,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1189127277, now seen corresponding path program 3 times [2021-11-09 09:36:05,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:05,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526381606] [2021-11-09 09:36:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:05,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:05,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:05,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526381606] [2021-11-09 09:36:05,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526381606] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:05,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138564268] [2021-11-09 09:36:05,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 09:36:05,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:05,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:05,432 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:05,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-09 09:36:05,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-09 09:36:05,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:05,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:36:05,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:06,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138564268] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:06,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:06,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-11-09 09:36:06,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652432453] [2021-11-09 09:36:06,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:36:06,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:06,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:36:06,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:36:06,052 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:06,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 137 transitions, 694 flow. Second operand has 9 states, 9 states have (on average 104.11111111111111) internal successors, (937), 9 states have internal predecessors, (937), 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) [2021-11-09 09:36:06,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:06,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:06,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:06,638 INFO L129 PetriNetUnfolder]: 662/2341 cut-off events. [2021-11-09 09:36:06,638 INFO L130 PetriNetUnfolder]: For 4510/4512 co-relation queries the response was YES. [2021-11-09 09:36:06,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5647 conditions, 2341 events. 662/2341 cut-off events. For 4510/4512 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 19948 event pairs, 224 based on Foata normal form. 6/2126 useless extension candidates. Maximal degree in co-relation 5621. Up to 426 conditions per place. [2021-11-09 09:36:06,713 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 56 selfloop transitions, 27 changer transitions 0/172 dead transitions. [2021-11-09 09:36:06,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 172 transitions, 1107 flow [2021-11-09 09:36:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:36:06,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-09 09:36:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 868 transitions. [2021-11-09 09:36:06,718 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.889344262295082 [2021-11-09 09:36:06,718 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 868 transitions. [2021-11-09 09:36:06,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 868 transitions. [2021-11-09 09:36:06,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:06,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 868 transitions. [2021-11-09 09:36:06,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 108.5) internal successors, (868), 8 states have internal predecessors, (868), 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) [2021-11-09 09:36:06,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-11-09 09:36:06,727 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-11-09 09:36:06,727 INFO L186 Difference]: Start difference. First operand has 150 places, 137 transitions, 694 flow. Second operand 8 states and 868 transitions. [2021-11-09 09:36:06,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 172 transitions, 1107 flow [2021-11-09 09:36:06,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 172 transitions, 1079 flow, removed 7 selfloop flow, removed 1 redundant places. [2021-11-09 09:36:06,755 INFO L242 Difference]: Finished difference. Result has 159 places, 145 transitions, 827 flow [2021-11-09 09:36:06,755 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=827, PETRI_PLACES=159, PETRI_TRANSITIONS=145} [2021-11-09 09:36:06,756 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 49 predicate places. [2021-11-09 09:36:06,756 INFO L470 AbstractCegarLoop]: Abstraction has has 159 places, 145 transitions, 827 flow [2021-11-09 09:36:06,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 104.11111111111111) internal successors, (937), 9 states have internal predecessors, (937), 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) [2021-11-09 09:36:06,757 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:06,757 INFO L254 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] [2021-11-09 09:36:06,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:06,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:06,984 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:06,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:06,985 INFO L85 PathProgramCache]: Analyzing trace with hash 408206339, now seen corresponding path program 4 times [2021-11-09 09:36:06,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:06,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741277221] [2021-11-09 09:36:06,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:06,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:07,043 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:07,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741277221] [2021-11-09 09:36:07,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741277221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:07,044 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:07,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:36:07,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484449560] [2021-11-09 09:36:07,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:36:07,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:07,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:36:07,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:36:07,047 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:07,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 145 transitions, 827 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:07,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:07,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:07,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:07,547 INFO L129 PetriNetUnfolder]: 669/2345 cut-off events. [2021-11-09 09:36:07,547 INFO L130 PetriNetUnfolder]: For 5359/5361 co-relation queries the response was YES. [2021-11-09 09:36:07,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5834 conditions, 2345 events. 669/2345 cut-off events. For 5359/5361 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 20119 event pairs, 243 based on Foata normal form. 2/2122 useless extension candidates. Maximal degree in co-relation 5805. Up to 449 conditions per place. [2021-11-09 09:36:07,615 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 56 selfloop transitions, 19 changer transitions 6/170 dead transitions. [2021-11-09 09:36:07,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 170 transitions, 1236 flow [2021-11-09 09:36:07,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-09 09:36:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-09 09:36:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 653 transitions. [2021-11-09 09:36:07,618 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8920765027322405 [2021-11-09 09:36:07,618 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 653 transitions. [2021-11-09 09:36:07,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 653 transitions. [2021-11-09 09:36:07,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:07,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 653 transitions. [2021-11-09 09:36:07,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 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) [2021-11-09 09:36:07,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:07,623 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2021-11-09 09:36:07,624 INFO L186 Difference]: Start difference. First operand has 159 places, 145 transitions, 827 flow. Second operand 6 states and 653 transitions. [2021-11-09 09:36:07,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 170 transitions, 1236 flow [2021-11-09 09:36:07,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 170 transitions, 1189 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-11-09 09:36:07,701 INFO L242 Difference]: Finished difference. Result has 163 places, 145 transitions, 831 flow [2021-11-09 09:36:07,702 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=780, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=163, PETRI_TRANSITIONS=145} [2021-11-09 09:36:07,702 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 53 predicate places. [2021-11-09 09:36:07,702 INFO L470 AbstractCegarLoop]: Abstraction has has 163 places, 145 transitions, 831 flow [2021-11-09 09:36:07,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:07,702 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:07,703 INFO L254 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] [2021-11-09 09:36:07,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 09:36:07,703 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:07,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:07,703 INFO L85 PathProgramCache]: Analyzing trace with hash 58389043, now seen corresponding path program 5 times [2021-11-09 09:36:07,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:07,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20707376] [2021-11-09 09:36:07,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:07,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:07,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:07,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:07,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20707376] [2021-11-09 09:36:07,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20707376] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:07,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645768970] [2021-11-09 09:36:07,779 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-09 09:36:07,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:07,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:07,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-09 09:36:07,991 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 09:36:07,991 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:07,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:36:08,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:08,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645768970] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:08,194 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:08,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-11-09 09:36:08,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617034750] [2021-11-09 09:36:08,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:36:08,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:08,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:36:08,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:36:08,197 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:08,199 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 145 transitions, 831 flow. Second operand has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:08,199 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:08,199 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:08,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:08,639 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([341] L52-->L55: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond_1| v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond_1) (= (+ v_~counter1~0_28 1) v_~counter1~0_29) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond_1| (ite (< 0 v_~counter1~0_29) 1 0)) (not (= v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond_1 0))) InVars {~counter1~0=v_~counter1~0_29} OutVars{thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond_1|, thread2Thread1of1ForFork3_#t~post6=|v_thread2Thread1of1ForFork3_#t~post6_1|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond=v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond_1, ~counter1~0=v_~counter1~0_28} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post6, thread2Thread1of1ForFork3_assume_abort_if_not_~cond, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond][51], [723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 63#L92-4true, 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= ~M~0 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 134#(= ~counter1~0 0), Black: 980#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), 58#L44true, 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, 26#L65true, 1264#true, Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 77#L55true, Black: 1257#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 427#(and (<= ~M~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1260#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= ~M~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 707#(= thread1Thread1of1ForFork1_~i~0 0), 1256#(= thread1Thread1of1ForFork1_~i~0 0), 129#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:08,640 INFO L384 tUnfolder$Statistics]: this new event has 67 ancestors and is cut-off event [2021-11-09 09:36:08,640 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2021-11-09 09:36:08,640 INFO L387 tUnfolder$Statistics]: existing Event has 62 ancestors and is cut-off event [2021-11-09 09:36:08,640 INFO L387 tUnfolder$Statistics]: existing Event has 67 ancestors and is cut-off event [2021-11-09 09:36:08,718 INFO L129 PetriNetUnfolder]: 641/2252 cut-off events. [2021-11-09 09:36:08,718 INFO L130 PetriNetUnfolder]: For 5008/5012 co-relation queries the response was YES. [2021-11-09 09:36:08,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5515 conditions, 2252 events. 641/2252 cut-off events. For 5008/5012 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 19339 event pairs, 200 based on Foata normal form. 8/2028 useless extension candidates. Maximal degree in co-relation 5484. Up to 447 conditions per place. [2021-11-09 09:36:08,777 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 50 selfloop transitions, 32 changer transitions 1/172 dead transitions. [2021-11-09 09:36:08,777 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 172 transitions, 1231 flow [2021-11-09 09:36:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-09 09:36:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-09 09:36:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 760 transitions. [2021-11-09 09:36:08,781 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8899297423887588 [2021-11-09 09:36:08,781 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 760 transitions. [2021-11-09 09:36:08,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 760 transitions. [2021-11-09 09:36:08,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:08,782 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 760 transitions. [2021-11-09 09:36:08,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 108.57142857142857) internal successors, (760), 7 states have internal predecessors, (760), 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) [2021-11-09 09:36:08,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-11-09 09:36:08,787 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 122.0) internal successors, (976), 8 states have internal predecessors, (976), 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) [2021-11-09 09:36:08,788 INFO L186 Difference]: Start difference. First operand has 163 places, 145 transitions, 831 flow. Second operand 7 states and 760 transitions. [2021-11-09 09:36:08,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 172 transitions, 1231 flow [2021-11-09 09:36:08,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 172 transitions, 1181 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-11-09 09:36:08,813 INFO L242 Difference]: Finished difference. Result has 168 places, 155 transitions, 1023 flow [2021-11-09 09:36:08,813 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1023, PETRI_PLACES=168, PETRI_TRANSITIONS=155} [2021-11-09 09:36:08,813 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 58 predicate places. [2021-11-09 09:36:08,814 INFO L470 AbstractCegarLoop]: Abstraction has has 168 places, 155 transitions, 1023 flow [2021-11-09 09:36:08,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:08,814 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:08,815 INFO L254 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] [2021-11-09 09:36:08,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:09,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:09,040 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:09,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:09,041 INFO L85 PathProgramCache]: Analyzing trace with hash 343120761, now seen corresponding path program 4 times [2021-11-09 09:36:09,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:09,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705636860] [2021-11-09 09:36:09,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:09,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:09,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:09,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705636860] [2021-11-09 09:36:09,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705636860] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:09,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353901080] [2021-11-09 09:36:09,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-09 09:36:09,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:09,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:09,140 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:09,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-09 09:36:09,370 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-09 09:36:09,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:09,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-09 09:36:09,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:09,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353901080] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:09,678 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:09,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-11-09 09:36:09,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023680154] [2021-11-09 09:36:09,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:36:09,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:09,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:36:09,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:36:09,682 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:09,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 155 transitions, 1023 flow. Second operand has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:09,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:09,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:09,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:10,370 INFO L129 PetriNetUnfolder]: 715/2464 cut-off events. [2021-11-09 09:36:10,371 INFO L130 PetriNetUnfolder]: For 6182/6184 co-relation queries the response was YES. [2021-11-09 09:36:10,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6492 conditions, 2464 events. 715/2464 cut-off events. For 6182/6184 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 21370 event pairs, 234 based on Foata normal form. 4/2239 useless extension candidates. Maximal degree in co-relation 6458. Up to 419 conditions per place. [2021-11-09 09:36:10,459 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 62 selfloop transitions, 35 changer transitions 2/188 dead transitions. [2021-11-09 09:36:10,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 188 transitions, 1506 flow [2021-11-09 09:36:10,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-09 09:36:10,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-09 09:36:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 867 transitions. [2021-11-09 09:36:10,464 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8883196721311475 [2021-11-09 09:36:10,464 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 867 transitions. [2021-11-09 09:36:10,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 867 transitions. [2021-11-09 09:36:10,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:10,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 867 transitions. [2021-11-09 09:36:10,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 108.375) internal successors, (867), 8 states have internal predecessors, (867), 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) [2021-11-09 09:36:10,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-11-09 09:36:10,529 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 122.0) internal successors, (1098), 9 states have internal predecessors, (1098), 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) [2021-11-09 09:36:10,529 INFO L186 Difference]: Start difference. First operand has 168 places, 155 transitions, 1023 flow. Second operand 8 states and 867 transitions. [2021-11-09 09:36:10,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 188 transitions, 1506 flow [2021-11-09 09:36:10,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 188 transitions, 1446 flow, removed 20 selfloop flow, removed 1 redundant places. [2021-11-09 09:36:10,570 INFO L242 Difference]: Finished difference. Result has 177 places, 165 transitions, 1197 flow [2021-11-09 09:36:10,570 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=970, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1197, PETRI_PLACES=177, PETRI_TRANSITIONS=165} [2021-11-09 09:36:10,571 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 67 predicate places. [2021-11-09 09:36:10,571 INFO L470 AbstractCegarLoop]: Abstraction has has 177 places, 165 transitions, 1197 flow [2021-11-09 09:36:10,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 104.0) internal successors, (936), 9 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:36:10,572 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:10,572 INFO L254 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] [2021-11-09 09:36:10,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:10,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-09 09:36:10,773 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:10,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:10,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1240336059, now seen corresponding path program 6 times [2021-11-09 09:36:10,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:10,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691087708] [2021-11-09 09:36:10,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:10,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:10,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:10,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691087708] [2021-11-09 09:36:10,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691087708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:10,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:10,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:36:10,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244879723] [2021-11-09 09:36:10,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:36:10,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:36:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:36:10,836 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:10,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 165 transitions, 1197 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:10,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:10,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:10,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:11,391 INFO L129 PetriNetUnfolder]: 697/2344 cut-off events. [2021-11-09 09:36:11,392 INFO L130 PetriNetUnfolder]: For 6737/6741 co-relation queries the response was YES. [2021-11-09 09:36:11,435 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6360 conditions, 2344 events. 697/2344 cut-off events. For 6737/6741 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 19920 event pairs, 248 based on Foata normal form. 2/2100 useless extension candidates. Maximal degree in co-relation 6323. Up to 560 conditions per place. [2021-11-09 09:36:11,462 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 59 selfloop transitions, 24 changer transitions 6/178 dead transitions. [2021-11-09 09:36:11,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 178 transitions, 1528 flow [2021-11-09 09:36:11,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-09 09:36:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-09 09:36:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 545 transitions. [2021-11-09 09:36:11,465 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8934426229508197 [2021-11-09 09:36:11,465 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 545 transitions. [2021-11-09 09:36:11,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 545 transitions. [2021-11-09 09:36:11,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:11,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 545 transitions. [2021-11-09 09:36:11,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 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) [2021-11-09 09:36:11,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2021-11-09 09:36:11,470 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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) [2021-11-09 09:36:11,470 INFO L186 Difference]: Start difference. First operand has 177 places, 165 transitions, 1197 flow. Second operand 5 states and 545 transitions. [2021-11-09 09:36:11,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 178 transitions, 1528 flow [2021-11-09 09:36:11,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 178 transitions, 1487 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-11-09 09:36:11,514 INFO L242 Difference]: Finished difference. Result has 180 places, 163 transitions, 1161 flow [2021-11-09 09:36:11,514 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=1158, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1161, PETRI_PLACES=180, PETRI_TRANSITIONS=163} [2021-11-09 09:36:11,515 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 70 predicate places. [2021-11-09 09:36:11,515 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 163 transitions, 1161 flow [2021-11-09 09:36:11,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:11,515 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:11,516 INFO L254 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] [2021-11-09 09:36:11,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 09:36:11,516 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:11,517 INFO L85 PathProgramCache]: Analyzing trace with hash 659343011, now seen corresponding path program 1 times [2021-11-09 09:36:11,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:11,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413634205] [2021-11-09 09:36:11,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:11,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:11,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:11,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413634205] [2021-11-09 09:36:11,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413634205] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:11,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510309495] [2021-11-09 09:36:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:11,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:11,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:11,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-09 09:36:12,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:12,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-09 09:36:12,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:12,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:12,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510309495] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:12,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:12,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-11-09 09:36:12,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998224128] [2021-11-09 09:36:12,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:36:12,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:12,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:36:12,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:36:12,736 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 122 [2021-11-09 09:36:12,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 163 transitions, 1161 flow. Second operand has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 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) [2021-11-09 09:36:12,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:12,739 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 122 [2021-11-09 09:36:12,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:13,577 INFO L129 PetriNetUnfolder]: 701/3136 cut-off events. [2021-11-09 09:36:13,578 INFO L130 PetriNetUnfolder]: For 5446/6245 co-relation queries the response was YES. [2021-11-09 09:36:13,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6987 conditions, 3136 events. 701/3136 cut-off events. For 5446/6245 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 30565 event pairs, 62 based on Foata normal form. 188/3026 useless extension candidates. Maximal degree in co-relation 6948. Up to 549 conditions per place. [2021-11-09 09:36:13,669 INFO L132 encePairwiseOnDemand]: 113/122 looper letters, 18 selfloop transitions, 15 changer transitions 6/189 dead transitions. [2021-11-09 09:36:13,669 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 189 transitions, 1327 flow [2021-11-09 09:36:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-09 09:36:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-09 09:36:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1092 transitions. [2021-11-09 09:36:13,674 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8950819672131147 [2021-11-09 09:36:13,674 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1092 transitions. [2021-11-09 09:36:13,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1092 transitions. [2021-11-09 09:36:13,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:13,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1092 transitions. [2021-11-09 09:36:13,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 109.2) internal successors, (1092), 10 states have internal predecessors, (1092), 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) [2021-11-09 09:36:13,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2021-11-09 09:36:13,686 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2021-11-09 09:36:13,687 INFO L186 Difference]: Start difference. First operand has 180 places, 163 transitions, 1161 flow. Second operand 10 states and 1092 transitions. [2021-11-09 09:36:13,687 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 189 transitions, 1327 flow [2021-11-09 09:36:13,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 189 transitions, 1187 flow, removed 10 selfloop flow, removed 11 redundant places. [2021-11-09 09:36:13,717 INFO L242 Difference]: Finished difference. Result has 181 places, 174 transitions, 1150 flow [2021-11-09 09:36:13,718 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=1029, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1150, PETRI_PLACES=181, PETRI_TRANSITIONS=174} [2021-11-09 09:36:13,718 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 71 predicate places. [2021-11-09 09:36:13,719 INFO L470 AbstractCegarLoop]: Abstraction has has 181 places, 174 transitions, 1150 flow [2021-11-09 09:36:13,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 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) [2021-11-09 09:36:13,720 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:13,720 INFO L254 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] [2021-11-09 09:36:13,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:13,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-11-09 09:36:13,944 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:13,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:13,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1031299049, now seen corresponding path program 2 times [2021-11-09 09:36:13,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:13,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262306175] [2021-11-09 09:36:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:13,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:14,137 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:14,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262306175] [2021-11-09 09:36:14,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262306175] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:14,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752295381] [2021-11-09 09:36:14,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-09 09:36:14,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:14,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:14,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:14,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-09 09:36:14,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-09 09:36:14,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:14,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-09 09:36:14,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:15,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752295381] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:15,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:15,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-11-09 09:36:15,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31152003] [2021-11-09 09:36:15,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-09 09:36:15,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:15,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-09 09:36:15,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-09 09:36:15,335 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 122 [2021-11-09 09:36:15,337 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 174 transitions, 1150 flow. Second operand has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 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) [2021-11-09 09:36:15,337 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:15,337 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 122 [2021-11-09 09:36:15,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:16,380 INFO L129 PetriNetUnfolder]: 850/4154 cut-off events. [2021-11-09 09:36:16,381 INFO L130 PetriNetUnfolder]: For 7183/8875 co-relation queries the response was YES. [2021-11-09 09:36:16,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10316 conditions, 4154 events. 850/4154 cut-off events. For 7183/8875 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 44117 event pairs, 46 based on Foata normal form. 188/3963 useless extension candidates. Maximal degree in co-relation 10276. Up to 752 conditions per place. [2021-11-09 09:36:16,650 INFO L132 encePairwiseOnDemand]: 113/122 looper letters, 30 selfloop transitions, 19 changer transitions 6/205 dead transitions. [2021-11-09 09:36:16,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 205 transitions, 1446 flow [2021-11-09 09:36:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-09 09:36:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-09 09:36:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1092 transitions. [2021-11-09 09:36:16,655 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8950819672131147 [2021-11-09 09:36:16,655 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1092 transitions. [2021-11-09 09:36:16,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1092 transitions. [2021-11-09 09:36:16,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:16,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1092 transitions. [2021-11-09 09:36:16,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 109.2) internal successors, (1092), 10 states have internal predecessors, (1092), 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) [2021-11-09 09:36:16,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2021-11-09 09:36:16,666 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2021-11-09 09:36:16,667 INFO L186 Difference]: Start difference. First operand has 181 places, 174 transitions, 1150 flow. Second operand 10 states and 1092 transitions. [2021-11-09 09:36:16,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 205 transitions, 1446 flow [2021-11-09 09:36:16,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 205 transitions, 1376 flow, removed 32 selfloop flow, removed 5 redundant places. [2021-11-09 09:36:16,705 INFO L242 Difference]: Finished difference. Result has 189 places, 189 transitions, 1309 flow [2021-11-09 09:36:16,706 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=1116, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1309, PETRI_PLACES=189, PETRI_TRANSITIONS=189} [2021-11-09 09:36:16,706 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 79 predicate places. [2021-11-09 09:36:16,706 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 189 transitions, 1309 flow [2021-11-09 09:36:16,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 106.11111111111111) internal successors, (955), 9 states have internal predecessors, (955), 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) [2021-11-09 09:36:16,707 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:16,708 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:36:16,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:16,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-09 09:36:16,933 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:16,934 INFO L85 PathProgramCache]: Analyzing trace with hash 680556627, now seen corresponding path program 3 times [2021-11-09 09:36:16,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:16,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767646500] [2021-11-09 09:36:16,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:16,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:17,074 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:17,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:17,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767646500] [2021-11-09 09:36:17,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767646500] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:17,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914459882] [2021-11-09 09:36:17,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-09 09:36:17,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:17,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:17,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:17,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-09 09:36:17,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-09 09:36:17,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:17,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:36:17,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:17,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:17,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914459882] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:17,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:17,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-11-09 09:36:17,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953058397] [2021-11-09 09:36:17,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-09 09:36:17,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:17,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-09 09:36:17,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-09 09:36:17,966 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2021-11-09 09:36:17,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 189 transitions, 1309 flow. Second operand has 14 states, 14 states have (on average 102.14285714285714) internal successors, (1430), 14 states have internal predecessors, (1430), 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) [2021-11-09 09:36:17,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:17,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2021-11-09 09:36:17,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:19,798 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][316], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 63#L92-4true, 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 1533#true, Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 99#L62-3true, Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 77#L55true, 438#(<= 1 ~M~0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:19,799 INFO L384 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2021-11-09 09:36:19,799 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:19,799 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-09 09:36:19,799 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:20,081 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][316], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 63#L92-4true, 56#L62-4true, 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 77#L55true, 438#(<= 1 ~M~0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:20,081 INFO L384 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2021-11-09 09:36:20,082 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:20,082 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-09 09:36:20,086 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:20,088 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][317], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 63#L92-4true, 153#(<= 1 ~M~0), 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 26#L65true, Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 77#L55true, 70#L42true, 438#(<= 1 ~M~0), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:20,088 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:20,089 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:20,089 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:20,089 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:20,136 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][316], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 63#L92-4true, 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 77#L55true, 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), 10#L62-5true, Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:20,136 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:20,136 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:20,136 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:20,136 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:20,612 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][327], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 13#L96-2true, Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:20,613 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:20,613 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:20,613 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:20,613 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:20,615 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][327], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), 1533#true, 1110#(<= 0 thread1Thread1of1ForFork1_~i~0), Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 13#L96-2true, Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:20,615 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:20,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:20,616 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:20,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:20,621 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][327], [Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 2378#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2380#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 2384#(and (= ULTIMATE.start_assume_abort_if_not_~cond 0) (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), 1659#(<= 0 thread3Thread1of1ForFork0_~i~2), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2382#(and (= ~counter1~0 0) (= ~counter2~0 0) (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 13#L96-2true, Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0))]) [2021-11-09 09:36:20,621 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:20,621 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:20,621 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:20,622 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:20,692 INFO L129 PetriNetUnfolder]: 2827/10428 cut-off events. [2021-11-09 09:36:20,692 INFO L130 PetriNetUnfolder]: For 26745/28222 co-relation queries the response was YES. [2021-11-09 09:36:20,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29856 conditions, 10428 events. 2827/10428 cut-off events. For 26745/28222 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 121886 event pairs, 271 based on Foata normal form. 84/9533 useless extension candidates. Maximal degree in co-relation 29812. Up to 1442 conditions per place. [2021-11-09 09:36:20,986 INFO L132 encePairwiseOnDemand]: 111/122 looper letters, 94 selfloop transitions, 127 changer transitions 0/334 dead transitions. [2021-11-09 09:36:20,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 334 transitions, 2950 flow [2021-11-09 09:36:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-09 09:36:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-09 09:36:20,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2412 transitions. [2021-11-09 09:36:20,999 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8595866001425517 [2021-11-09 09:36:20,999 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2412 transitions. [2021-11-09 09:36:21,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2412 transitions. [2021-11-09 09:36:21,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:21,004 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2412 transitions. [2021-11-09 09:36:21,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 104.8695652173913) internal successors, (2412), 23 states have internal predecessors, (2412), 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) [2021-11-09 09:36:21,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 122.0) internal successors, (2928), 24 states have internal predecessors, (2928), 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) [2021-11-09 09:36:21,043 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 122.0) internal successors, (2928), 24 states have internal predecessors, (2928), 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) [2021-11-09 09:36:21,043 INFO L186 Difference]: Start difference. First operand has 189 places, 189 transitions, 1309 flow. Second operand 23 states and 2412 transitions. [2021-11-09 09:36:21,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 334 transitions, 2950 flow [2021-11-09 09:36:21,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 334 transitions, 2916 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-11-09 09:36:21,152 INFO L242 Difference]: Finished difference. Result has 213 places, 276 transitions, 2437 flow [2021-11-09 09:36:21,153 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=1275, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2437, PETRI_PLACES=213, PETRI_TRANSITIONS=276} [2021-11-09 09:36:21,153 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 103 predicate places. [2021-11-09 09:36:21,154 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 276 transitions, 2437 flow [2021-11-09 09:36:21,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 102.14285714285714) internal successors, (1430), 14 states have internal predecessors, (1430), 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) [2021-11-09 09:36:21,155 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:21,155 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:36:21,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:21,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-09 09:36:21,380 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:21,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:21,381 INFO L85 PathProgramCache]: Analyzing trace with hash 67675553, now seen corresponding path program 4 times [2021-11-09 09:36:21,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:21,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014921556] [2021-11-09 09:36:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:21,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:21,485 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:21,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014921556] [2021-11-09 09:36:21,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014921556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:21,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828642064] [2021-11-09 09:36:21,485 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-09 09:36:21,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:21,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:21,487 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:21,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-09 09:36:21,873 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-09 09:36:21,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:21,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:36:21,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:22,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828642064] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:22,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:22,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-09 09:36:22,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306694310] [2021-11-09 09:36:22,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-09 09:36:22,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:22,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-09 09:36:22,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-09 09:36:22,395 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2021-11-09 09:36:22,398 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 276 transitions, 2437 flow. Second operand has 15 states, 15 states have (on average 102.33333333333333) internal successors, (1535), 15 states have internal predecessors, (1535), 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) [2021-11-09 09:36:22,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:22,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2021-11-09 09:36:22,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:25,186 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][369], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 99#L62-3true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:25,186 INFO L384 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2021-11-09 09:36:25,186 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:25,186 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-09 09:36:25,186 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:25,239 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][187], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, 26#L65true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:25,239 INFO L384 tUnfolder$Statistics]: this new event has 71 ancestors and is cut-off event [2021-11-09 09:36:25,239 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:25,239 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:25,239 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:25,252 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][369], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 56#L62-4true, 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), 77#L55true, Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 438#(<= 1 ~M~0), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:25,253 INFO L384 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2021-11-09 09:36:25,253 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:25,253 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:25,253 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-09 09:36:25,255 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][370], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 153#(<= 1 ~M~0), 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 26#L65true, 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:25,256 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:25,256 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:25,256 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:25,256 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:25,460 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][369], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 153#(<= 1 ~M~0), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), 77#L55true, Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 10#L62-5true, Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:25,460 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:25,460 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:25,460 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:25,461 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:26,137 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][392], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:26,137 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:26,137 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:26,137 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:26,138 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:26,141 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][392], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 1110#(<= 0 thread1Thread1of1ForFork1_~i~0), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0)]) [2021-11-09 09:36:26,141 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:26,141 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:26,141 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:26,142 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:26,145 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][392], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), 1659#(<= 0 thread3Thread1of1ForFork0_~i~2), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 722#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:26,145 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:26,145 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:26,145 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:26,145 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:26,206 INFO L129 PetriNetUnfolder]: 3589/12754 cut-off events. [2021-11-09 09:36:26,206 INFO L130 PetriNetUnfolder]: For 42507/44236 co-relation queries the response was YES. [2021-11-09 09:36:26,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41582 conditions, 12754 events. 3589/12754 cut-off events. For 42507/44236 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 153005 event pairs, 367 based on Foata normal form. 157/11761 useless extension candidates. Maximal degree in co-relation 41531. Up to 1494 conditions per place. [2021-11-09 09:36:26,601 INFO L132 encePairwiseOnDemand]: 111/122 looper letters, 94 selfloop transitions, 192 changer transitions 0/399 dead transitions. [2021-11-09 09:36:26,601 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 399 transitions, 4108 flow [2021-11-09 09:36:26,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-09 09:36:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-09 09:36:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 2824 transitions. [2021-11-09 09:36:26,609 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8573163327261688 [2021-11-09 09:36:26,609 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 2824 transitions. [2021-11-09 09:36:26,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 2824 transitions. [2021-11-09 09:36:26,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:26,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 2824 transitions. [2021-11-09 09:36:26,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 104.5925925925926) internal successors, (2824), 27 states have internal predecessors, (2824), 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) [2021-11-09 09:36:26,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 122.0) internal successors, (3416), 28 states have internal predecessors, (3416), 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) [2021-11-09 09:36:26,631 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 122.0) internal successors, (3416), 28 states have internal predecessors, (3416), 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) [2021-11-09 09:36:26,633 INFO L186 Difference]: Start difference. First operand has 213 places, 276 transitions, 2437 flow. Second operand 27 states and 2824 transitions. [2021-11-09 09:36:26,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 399 transitions, 4108 flow [2021-11-09 09:36:26,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 399 transitions, 3922 flow, removed 87 selfloop flow, removed 1 redundant places. [2021-11-09 09:36:26,914 INFO L242 Difference]: Finished difference. Result has 249 places, 349 transitions, 3537 flow [2021-11-09 09:36:26,915 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=2302, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=3537, PETRI_PLACES=249, PETRI_TRANSITIONS=349} [2021-11-09 09:36:26,915 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 139 predicate places. [2021-11-09 09:36:26,915 INFO L470 AbstractCegarLoop]: Abstraction has has 249 places, 349 transitions, 3537 flow [2021-11-09 09:36:26,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 102.33333333333333) internal successors, (1535), 15 states have internal predecessors, (1535), 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) [2021-11-09 09:36:26,916 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:26,916 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:36:26,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:27,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-09 09:36:27,132 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash 611255131, now seen corresponding path program 5 times [2021-11-09 09:36:27,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:27,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17000136] [2021-11-09 09:36:27,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:27,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:27,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:27,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17000136] [2021-11-09 09:36:27,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17000136] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:27,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062703860] [2021-11-09 09:36:27,310 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-09 09:36:27,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:27,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:27,311 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-09 09:36:27,744 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-11-09 09:36:27,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:27,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:36:27,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:28,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062703860] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:28,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:28,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-11-09 09:36:28,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399621003] [2021-11-09 09:36:28,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-09 09:36:28,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:28,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-09 09:36:28,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-09 09:36:28,161 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2021-11-09 09:36:28,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 349 transitions, 3537 flow. Second operand has 15 states, 15 states have (on average 102.33333333333333) internal successors, (1535), 15 states have internal predecessors, (1535), 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) [2021-11-09 09:36:28,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:28,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2021-11-09 09:36:28,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:31,328 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][486], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 99#L62-3true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), 77#L55true, Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 438#(<= 1 ~M~0), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:31,329 INFO L384 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2021-11-09 09:36:31,329 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:31,329 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:31,329 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-09 09:36:31,614 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][486], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 56#L62-4true, Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 438#(<= 1 ~M~0), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:31,614 INFO L384 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2021-11-09 09:36:31,615 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-09 09:36:31,615 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:31,615 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:31,617 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][487], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), 153#(<= 1 ~M~0), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, 26#L65true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 438#(<= 1 ~M~0), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:31,618 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,618 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:31,618 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,618 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,706 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][486], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), 77#L55true, Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 10#L62-5true, Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:31,706 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,706 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,706 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:31,706 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,974 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][202], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, 26#L65true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), 77#L55true, Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:31,974 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:31,974 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:31,974 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:31,974 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:32,636 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][519], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0)]) [2021-11-09 09:36:32,636 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:32,636 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:32,636 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:32,636 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:32,639 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][519], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 1110#(<= 0 thread1Thread1of1ForFork1_~i~0), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0)]) [2021-11-09 09:36:32,639 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:32,639 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:32,639 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:32,639 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:32,643 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][519], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2697#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1659#(<= 0 thread3Thread1of1ForFork0_~i~2), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:32,643 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:32,643 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:32,643 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:32,644 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:32,735 INFO L129 PetriNetUnfolder]: 4349/15649 cut-off events. [2021-11-09 09:36:32,736 INFO L130 PetriNetUnfolder]: For 68752/70164 co-relation queries the response was YES. [2021-11-09 09:36:33,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55557 conditions, 15649 events. 4349/15649 cut-off events. For 68752/70164 co-relation queries the response was YES. Maximal size of possible extension queue 759. Compared 195047 event pairs, 293 based on Foata normal form. 286/14620 useless extension candidates. Maximal degree in co-relation 55495. Up to 1745 conditions per place. [2021-11-09 09:36:33,355 INFO L132 encePairwiseOnDemand]: 110/122 looper letters, 128 selfloop transitions, 285 changer transitions 0/526 dead transitions. [2021-11-09 09:36:33,355 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 526 transitions, 6183 flow [2021-11-09 09:36:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-09 09:36:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-11-09 09:36:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 6025 transitions. [2021-11-09 09:36:33,366 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8514697569248163 [2021-11-09 09:36:33,367 INFO L72 ComplementDD]: Start complementDD. Operand 58 states and 6025 transitions. [2021-11-09 09:36:33,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 6025 transitions. [2021-11-09 09:36:33,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:33,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 58 states and 6025 transitions. [2021-11-09 09:36:33,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 58 states have (on average 103.87931034482759) internal successors, (6025), 58 states have internal predecessors, (6025), 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) [2021-11-09 09:36:33,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 59 states, 59 states have (on average 122.0) internal successors, (7198), 59 states have internal predecessors, (7198), 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) [2021-11-09 09:36:33,401 INFO L81 ComplementDD]: Finished complementDD. Result has 59 states, 59 states have (on average 122.0) internal successors, (7198), 59 states have internal predecessors, (7198), 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) [2021-11-09 09:36:33,401 INFO L186 Difference]: Start difference. First operand has 249 places, 349 transitions, 3537 flow. Second operand 58 states and 6025 transitions. [2021-11-09 09:36:33,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 526 transitions, 6183 flow [2021-11-09 09:36:33,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 526 transitions, 5941 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-11-09 09:36:33,863 INFO L242 Difference]: Finished difference. Result has 314 places, 450 transitions, 5181 flow [2021-11-09 09:36:33,863 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=3337, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=192, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=5181, PETRI_PLACES=314, PETRI_TRANSITIONS=450} [2021-11-09 09:36:33,864 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 204 predicate places. [2021-11-09 09:36:33,864 INFO L470 AbstractCegarLoop]: Abstraction has has 314 places, 450 transitions, 5181 flow [2021-11-09 09:36:33,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 102.33333333333333) internal successors, (1535), 15 states have internal predecessors, (1535), 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) [2021-11-09 09:36:33,865 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:33,865 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 09:36:33,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-09 09:36:34,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-09 09:36:34,067 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:34,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:34,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1838400785, now seen corresponding path program 6 times [2021-11-09 09:36:34,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:34,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054910325] [2021-11-09 09:36:34,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:34,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:34,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:34,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054910325] [2021-11-09 09:36:34,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054910325] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:34,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566680936] [2021-11-09 09:36:34,154 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-09 09:36:34,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-09 09:36:34,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:36:34,165 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-09 09:36:34,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-09 09:36:34,621 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-11-09 09:36:34,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-09 09:36:34,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-09 09:36:34,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:36:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:36:34,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566680936] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-09 09:36:34,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-09 09:36:34,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-11-09 09:36:34,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862554579] [2021-11-09 09:36:34,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-09 09:36:34,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:34,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-09 09:36:34,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-09 09:36:34,979 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2021-11-09 09:36:34,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 450 transitions, 5181 flow. Second operand has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 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) [2021-11-09 09:36:34,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:34,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2021-11-09 09:36:34,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:36:38,943 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][225], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), 132#true, 26#L65true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 3503#true]) [2021-11-09 09:36:38,943 INFO L384 tUnfolder$Statistics]: this new event has 71 ancestors and is cut-off event [2021-11-09 09:36:38,943 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:38,943 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:38,943 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:39,707 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][63], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 99#L62-3true, Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 77#L55true, Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 63#L92-4true, 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 3503#true]) [2021-11-09 09:36:39,708 INFO L384 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2021-11-09 09:36:39,708 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:39,708 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:39,708 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-09 09:36:39,831 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][642], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), 99#L62-3true, Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 77#L55true, Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true, 3503#true]) [2021-11-09 09:36:39,831 INFO L384 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2021-11-09 09:36:39,831 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:39,831 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-09 09:36:39,831 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:36:39,916 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][122], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 1811#(= ~counter1~0 0), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 26#L65true, Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), 77#L55true, Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 3503#true]) [2021-11-09 09:36:39,917 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:39,917 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:39,917 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:39,917 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:40,036 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][642], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 56#L62-4true, Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), 58#L44true, Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 77#L55true, Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true, 3503#true]) [2021-11-09 09:36:40,036 INFO L384 tUnfolder$Statistics]: this new event has 75 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L387 tUnfolder$Statistics]: existing Event has 65 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][643], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 26#L65true, Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 3055#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 77#L55true, Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true, 3503#true]) [2021-11-09 09:36:40,037 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:40,037 INFO L387 tUnfolder$Statistics]: existing Event has 76 ancestors and is cut-off event [2021-11-09 09:36:41,135 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][225], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 153#(<= 1 ~M~0), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 26#L65true, Black: 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 3055#(and (<= (+ 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(<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 2709#(and (<= 2 ~M~0) (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 63#L92-4true, 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 70#L42true, 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 3503#true]) [2021-11-09 09:36:41,135 INFO L384 tUnfolder$Statistics]: this new event has 76 ancestors and is cut-off event [2021-11-09 09:36:41,135 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:41,135 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:41,135 INFO L387 tUnfolder$Statistics]: existing Event has 71 ancestors and is cut-off event [2021-11-09 09:36:41,136 INFO L387 tUnfolder$Statistics]: existing Event has 66 ancestors and is cut-off event [2021-11-09 09:36:42,448 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][713], [3511#(<= ~M~0 thread1Thread1of1ForFork1_~i~0), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), 132#true, Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), 1533#true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, 129#true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0)]) [2021-11-09 09:36:42,448 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:42,451 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:42,451 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:42,451 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:42,468 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([377] thread4EXIT-->L96-2: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar1_4) (= 0 v_thread4Thread1of1ForFork2_thidvar2_4) (= 0 v_thread4Thread1of1ForFork2_thidvar3_4) (= 0 v_thread4Thread1of1ForFork2_thidvar4_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem24_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread4Thread1of1ForFork2_thidvar0_4)) InVars {thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} OutVars{thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_4, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_4, ULTIMATE.start_main_#t~mem24=|v_ULTIMATE.start_main_#t~mem24_5|, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_4, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_4, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_4} AuxVars[] AssignedVars[][713], [3511#(<= ~M~0 thread1Thread1of1ForFork1_~i~0), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3075#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3071#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 132#true, Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), 697#(and (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 410#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (<= 1 ~M~0)), Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 2103#(= ~counter1~0 0), Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1659#(<= 0 thread3Thread1of1ForFork0_~i~2), Black: 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 13#L96-2true, Black: 1266#(= thread3Thread1of1ForFork0_~i~2 0), 129#true]) [2021-11-09 09:36:42,469 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is not cut-off event [2021-11-09 09:36:42,469 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:42,469 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is not cut-off event [2021-11-09 09:36:42,469 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is not cut-off event [2021-11-09 09:36:42,692 INFO L129 PetriNetUnfolder]: 6080/23286 cut-off events. [2021-11-09 09:36:42,692 INFO L130 PetriNetUnfolder]: For 167263/169263 co-relation queries the response was YES. [2021-11-09 09:36:43,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92658 conditions, 23286 events. 6080/23286 cut-off events. For 167263/169263 co-relation queries the response was YES. Maximal size of possible extension queue 1118. Compared 315416 event pairs, 655 based on Foata normal form. 260/21759 useless extension candidates. Maximal degree in co-relation 92580. Up to 3088 conditions per place. [2021-11-09 09:36:43,538 INFO L132 encePairwiseOnDemand]: 110/122 looper letters, 384 selfloop transitions, 223 changer transitions 0/720 dead transitions. [2021-11-09 09:36:43,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 720 transitions, 10072 flow [2021-11-09 09:36:43,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-09 09:36:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-11-09 09:36:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 3646 transitions. [2021-11-09 09:36:43,545 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.853864168618267 [2021-11-09 09:36:43,545 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 3646 transitions. [2021-11-09 09:36:43,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 3646 transitions. [2021-11-09 09:36:43,547 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:36:43,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 3646 transitions. [2021-11-09 09:36:43,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 104.17142857142858) internal successors, (3646), 35 states have internal predecessors, (3646), 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) [2021-11-09 09:36:43,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 122.0) internal successors, (4392), 36 states have internal predecessors, (4392), 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) [2021-11-09 09:36:43,562 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 122.0) internal successors, (4392), 36 states have internal predecessors, (4392), 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) [2021-11-09 09:36:43,562 INFO L186 Difference]: Start difference. First operand has 314 places, 450 transitions, 5181 flow. Second operand 35 states and 3646 transitions. [2021-11-09 09:36:43,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 720 transitions, 10072 flow [2021-11-09 09:36:45,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 720 transitions, 9284 flow, removed 313 selfloop flow, removed 13 redundant places. [2021-11-09 09:36:45,613 INFO L242 Difference]: Finished difference. Result has 360 places, 612 transitions, 7817 flow [2021-11-09 09:36:45,614 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=4777, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=35, PETRI_FLOW=7817, PETRI_PLACES=360, PETRI_TRANSITIONS=612} [2021-11-09 09:36:45,614 INFO L334 CegarLoopForPetriNet]: 110 programPoint places, 250 predicate places. [2021-11-09 09:36:45,614 INFO L470 AbstractCegarLoop]: Abstraction has has 360 places, 612 transitions, 7817 flow [2021-11-09 09:36:45,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 102.0) internal successors, (1632), 16 states have internal predecessors, (1632), 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) [2021-11-09 09:36:45,615 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 09:36:45,615 INFO L254 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] [2021-11-09 09:36:45,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-09 09:36:45,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b088639-b0d8-41f9-950a-31cbc9b26d14/bin/uautomizer-IVEQpCNsaX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-09 09:36:45,815 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-09 09:36:45,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:36:45,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1824479645, now seen corresponding path program 1 times [2021-11-09 09:36:45,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:36:45,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767041571] [2021-11-09 09:36:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:36:45,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:36:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:36:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-09 09:36:45,864 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 09:36:45,864 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767041571] [2021-11-09 09:36:45,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767041571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 09:36:45,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 09:36:45,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-09 09:36:45,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931742753] [2021-11-09 09:36:45,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-09 09:36:45,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 09:36:45,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-09 09:36:45,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-09 09:36:45,867 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 122 [2021-11-09 09:36:45,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 612 transitions, 7817 flow. Second operand has 5 states, 5 states have (on average 104.2) internal successors, (521), 5 states have internal predecessors, (521), 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) [2021-11-09 09:36:45,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 09:36:45,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 122 [2021-11-09 09:36:45,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 09:37:03,685 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][63], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 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thread1Thread1of1ForFork1_~i~0), 1533#true, Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:03,685 INFO L384 tUnfolder$Statistics]: this new event has 74 ancestors and is cut-off event [2021-11-09 09:37:03,685 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-11-09 09:37:03,685 INFO L387 tUnfolder$Statistics]: existing Event has 64 ancestors and is cut-off event [2021-11-09 09:37:03,685 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-11-09 09:37:10,350 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][63], [Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= 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thread1Thread1of1ForFork1_~i~0), 1533#true, Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:10,350 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-11-09 09:37:10,350 INFO L387 tUnfolder$Statistics]: existing Event has 69 ancestors and is cut-off event [2021-11-09 09:37:10,351 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:10,351 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:11,451 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][567], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= 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thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 1533#true, Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:11,451 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-11-09 09:37:11,451 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:11,451 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-09 09:37:11,452 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:11,452 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][568], [723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2741#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3511#(<= ~M~0 thread1Thread1of1ForFork1_~i~0), Black: 3808#(and (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3508#(and (<= thread3Thread1of1ForFork0_~i~2 1) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3830#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), 3402#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3842#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (<= ~M~0 thread1Thread1of1ForFork1_~i~0)), Black: 3806#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3810#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3802#(and (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3822#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3667#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3844#(and (<= ~M~0 1) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3816#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3820#(and (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 thread1Thread1of1ForFork1_~i~0)), Black: 3814#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3632#(<= 0 thread1Thread1of1ForFork1_~i~0), Black: 3846#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3832#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3836#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3834#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (= |thread1Thread1of1ForFork1_#t~post3| 0)), Black: 3838#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), 132#true, Black: 3826#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3506#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3828#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), 77#L55true, Black: 3852#(and (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 3848#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 1988#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 1)), Black: 1812#(and (= ~counter1~0 0) (= ~counter2~0 0)), Black: 1813#(and (<= ~counter1~0 1) (<= 1 ~counter1~0) (= ~counter2~0 0)), 63#L92-4true, 95#L41-2true, Black: 2283#(and (= ~counter1~0 1) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 2103#(= ~counter1~0 0), 3881#true, Black: 2104#(and (= ~counter1~0 0) (= ~counter2~0 0)), 152#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~M~0) (= thread1Thread1of1ForFork1_~i~0 0)), 2105#(and (= ~counter1~0 0) (<= ~counter2~0 1) (<= 1 ~counter2~0)), Black: 139#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 3408#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3418#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 154#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3237#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3420#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 414#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 3482#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 412#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), 26#L65true, Black: 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 3505#(= thread1Thread1of1ForFork1_~i~0 0), Black: 151#(= thread1Thread1of1ForFork1_~i~0 0), Black: 3406#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3410#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3442#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (< 1 ~M~0)), Black: 2398#(<= 1 thread1Thread1of1ForFork1_~i~0), Black: 3474#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2695#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3470#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2717#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 3390#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), 438#(<= 1 ~M~0), Black: 2721#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3452#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 1809#true, 114#L76true, 1533#true, Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), 3043#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:11,452 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-11-09 09:37:11,452 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-11-09 09:37:11,452 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-11-09 09:37:11,452 INFO L387 tUnfolder$Statistics]: existing Event has 73 ancestors and is cut-off event [2021-11-09 09:37:11,453 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][568], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= 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1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:11,453 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-11-09 09:37:11,453 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:11,453 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-09 09:37:11,453 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:12,397 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} 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|thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2705#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3251#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2725#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 3478#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 2711#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3412#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 1533#true, Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:12,397 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-11-09 09:37:12,397 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:12,397 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-09 09:37:12,397 INFO L387 tUnfolder$Statistics]: existing Event has 74 ancestors and is cut-off event [2021-11-09 09:37:12,397 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-11-09 09:37:12,401 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([331] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post4=|v_thread1Thread1of1ForFork1_#t~post4_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork1_#t~post4][567], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), 56#L62-4true, Black: 3069#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), 153#(<= 1 ~M~0), Black: 3057#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 2742#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3053#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3511#(<= ~M~0 thread1Thread1of1ForFork1_~i~0), Black: 3808#(and (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3508#(and (<= thread3Thread1of1ForFork0_~i~2 1) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 3830#(and (<= 1 thread1Thread1of1ForFork1_~i~0) 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1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 2707#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), 2101#true, Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 3092#(<= 1 thread1Thread1of1ForFork1_~i~0), 1533#true, Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:12,402 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-11-09 09:37:12,402 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:37:12,402 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-09 09:37:12,402 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:37:12,408 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork0_#t~post8=|v_thread3Thread1of1ForFork0_#t~post8_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_#t~post8][568], [Black: 3051#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1536#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3073#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1) (< 1 ~M~0)), Black: 1795#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 3039#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|)), Black: 1538#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 3061#(and (<= 2 ~M~0) (<= 1 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1)), Black: 3816#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= thread3Thread1of1ForFork0_~i~2 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3820#(and (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 thread1Thread1of1ForFork1_~i~0)), Black: 3814#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3632#(<= 0 thread1Thread1of1ForFork1_~i~0), Black: 3846#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3832#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3836#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), Black: 3834#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (= |thread1Thread1of1ForFork1_#t~post3| 0)), Black: 3838#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), 132#true, Black: 3826#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 3506#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 3828#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 1) (= |thread1Thread1of1ForFork1_#t~post3| 0) (<= |thread3Thread1of1ForFork0_#t~post7| 0)), 77#L55true, Black: 3852#(and (<= ~M~0 thread1Thread1of1ForFork1_~i~0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 3848#(and (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (<= thread3Thread1of1ForFork0_~i~2 1)), 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thread1Thread1of1ForFork1_~i~0) (<= thread3Thread1of1ForFork0_~i~2 0)), Black: 2723#(and (<= 2 ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0) (<= 0 |thread1Thread1of1ForFork1_#t~post3|) (= |thread3Thread1of1ForFork0_#t~post7| 0) (<= thread3Thread1of1ForFork0_~i~2 1)), Black: 423#(= thread3Thread1of1ForFork0_~i~2 0), Black: 436#(= thread3Thread1of1ForFork0_~i~2 0), Black: 699#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 0 thread3Thread1of1ForFork0_~i~2) (<= 1 ~M~0)), Black: 695#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 439#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), 114#L76true, 1809#true, 1533#true, Black: 723#(and (= thread1Thread1of1ForFork1_~i~0 0) (<= 1 ~M~0)), Black: 721#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 720#(= thread1Thread1of1ForFork1_~i~0 0), 19#L41-4true, Black: 1249#(and (<= 0 thread1Thread1of1ForFork1_~i~0) (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 992#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 990#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 3424#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~M~0) (<= 1 thread1Thread1of1ForFork1_~i~0)), Black: 1269#(and (= thread3Thread1of1ForFork0_~i~2 0) (<= 1 ~M~0)), Black: 1267#(and (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 129#true]) [2021-11-09 09:37:12,409 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-11-09 09:37:12,409 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event [2021-11-09 09:37:12,409 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-11-09 09:37:12,409 INFO L387 tUnfolder$Statistics]: existing Event has 75 ancestors and is cut-off event