./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa --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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:42:37,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:42:37,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:42:37,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:42:37,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:42:37,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:42:37,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:42:37,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:42:37,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:42:37,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:42:37,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:42:37,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:42:37,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:42:37,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:42:37,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:42:37,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:42:37,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:42:37,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:42:37,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:42:37,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:42:37,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:42:37,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:42:37,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:42:37,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:42:37,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:42:37,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:42:37,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:42:37,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:42:37,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:42:37,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:42:37,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:42:37,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:42:37,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:42:37,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:42:37,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:42:37,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:42:37,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:42:37,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:42:37,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:42:37,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:42:37,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:42:37,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 00:42:37,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:42:37,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:42:37,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:42:37,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:42:37,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 00:42:37,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 00:42:37,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:42:37,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:42:37,766 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:42:37,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 00:42:37,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 00:42:37,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 00:42:37,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:42:37,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 00:42:37,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 00:42:37,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:42:37,770 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_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2021-12-07 00:42:37,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:42:37,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:42:37,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:42:37,967 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:42:37,968 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:42:37,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-12-07 00:42:38,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/data/498f8fc53/d75a456684db44b3be99acfa69f871de/FLAG7dac63975 [2021-12-07 00:42:38,378 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:42:38,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-12-07 00:42:38,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/data/498f8fc53/d75a456684db44b3be99acfa69f871de/FLAG7dac63975 [2021-12-07 00:42:38,396 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/data/498f8fc53/d75a456684db44b3be99acfa69f871de [2021-12-07 00:42:38,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:42:38,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:42:38,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:42:38,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:42:38,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:42:38,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260b1837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38, skipping insertion in model container [2021-12-07 00:42:38,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:42:38,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:42:38,553 WARN L230 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_8b270a36-22fc-4287-9192-35629cda37df/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-12-07 00:42:38,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:42:38,566 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:42:38,588 WARN L230 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_8b270a36-22fc-4287-9192-35629cda37df/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-12-07 00:42:38,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:42:38,602 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:42:38,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38 WrapperNode [2021-12-07 00:42:38,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:42:38,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:42:38,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:42:38,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:42:38,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,644 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 217 [2021-12-07 00:42:38,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:42:38,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:42:38,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:42:38,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:42:38,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:42:38,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:42:38,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:42:38,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:42:38,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (1/1) ... [2021-12-07 00:42:38,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 00:42:38,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:42:38,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 00:42:38,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b270a36-22fc-4287-9192-35629cda37df/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 00:42:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 00:42:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-07 00:42:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-07 00:42:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-07 00:42:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-07 00:42:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-07 00:42:38,734 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-07 00:42:38,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 00:42:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:42:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:42:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:42:38,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:42:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:42:38,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:42:38,736 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 00:42:38,805 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:42:38,807 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:42:39,025 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:42:39,035 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:42:39,035 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 00:42:39,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:42:39 BoogieIcfgContainer [2021-12-07 00:42:39,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:42:39,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 00:42:39,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 00:42:39,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 00:42:39,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:42:38" (1/3) ... [2021-12-07 00:42:39,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dac003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:42:39, skipping insertion in model container [2021-12-07 00:42:39,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:42:38" (2/3) ... [2021-12-07 00:42:39,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26dac003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:42:39, skipping insertion in model container [2021-12-07 00:42:39,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:42:39" (3/3) ... [2021-12-07 00:42:39,042 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2021-12-07 00:42:39,046 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 00:42:39,046 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 00:42:39,046 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 00:42:39,046 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 00:42:39,079 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,080 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,081 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,082 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,083 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,084 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,085 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,086 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,087 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,088 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,089 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,090 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,091 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,092 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,093 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,094 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,095 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,096 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,097 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,098 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,099 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,104 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,105 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,106 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,107 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,108 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,109 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,110 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,111 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,112 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,113 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,114 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,115 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,116 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,117 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,118 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,119 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,120 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,121 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,122 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,123 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,124 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,126 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,127 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,128 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,130 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,131 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,132 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,132 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,133 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,134 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 00:42:39,136 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-07 00:42:39,171 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 00:42:39,176 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 [2021-12-07 00:42:39,176 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-07 00:42:39,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 278 transitions, 580 flow [2021-12-07 00:42:39,262 INFO L129 PetriNetUnfolder]: 25/275 cut-off events. [2021-12-07 00:42:39,262 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-07 00:42:39,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 275 events. 25/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 746 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-12-07 00:42:39,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 278 transitions, 580 flow [2021-12-07 00:42:39,276 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 264 transitions, 546 flow [2021-12-07 00:42:39,333 INFO L129 PetriNetUnfolder]: 25/263 cut-off events. [2021-12-07 00:42:39,333 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-07 00:42:39,333 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:39,334 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:39,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:39,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:39,338 INFO L85 PathProgramCache]: Analyzing trace with hash -802081389, now seen corresponding path program 1 times [2021-12-07 00:42:39,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:39,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823425913] [2021-12-07 00:42:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:39,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:39,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:39,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823425913] [2021-12-07 00:42:39,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823425913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:39,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:39,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:39,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750339840] [2021-12-07 00:42:39,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:39,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:39,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:39,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:39,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:39,604 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-07 00:42:39,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 264 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:39,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:39,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-07 00:42:39,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:39,793 INFO L129 PetriNetUnfolder]: 113/997 cut-off events. [2021-12-07 00:42:39,793 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-12-07 00:42:39,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 997 events. 113/997 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6897 event pairs, 26 based on Foata normal form. 55/939 useless extension candidates. Maximal degree in co-relation 963. Up to 74 conditions per place. [2021-12-07 00:42:39,808 INFO L132 encePairwiseOnDemand]: 261/278 looper letters, 18 selfloop transitions, 6 changer transitions 1/265 dead transitions. [2021-12-07 00:42:39,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 265 transitions, 608 flow [2021-12-07 00:42:39,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:39,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions. [2021-12-07 00:42:39,821 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9592326139088729 [2021-12-07 00:42:39,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions. [2021-12-07 00:42:39,822 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions. [2021-12-07 00:42:39,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:39,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions. [2021-12-07 00:42:39,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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) [2021-12-07 00:42:39,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:39,839 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:39,840 INFO L186 Difference]: Start difference. First operand has 249 places, 264 transitions, 546 flow. Second operand 3 states and 800 transitions. [2021-12-07 00:42:39,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 265 transitions, 608 flow [2021-12-07 00:42:39,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 265 transitions, 588 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-07 00:42:39,851 INFO L242 Difference]: Finished difference. Result has 247 places, 260 transitions, 566 flow [2021-12-07 00:42:39,853 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=247, PETRI_TRANSITIONS=260} [2021-12-07 00:42:39,856 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -2 predicate places. [2021-12-07 00:42:39,856 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 260 transitions, 566 flow [2021-12-07 00:42:39,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:39,857 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:39,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:39,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 00:42:39,857 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:39,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:39,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1464503203, now seen corresponding path program 1 times [2021-12-07 00:42:39,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:39,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658315810] [2021-12-07 00:42:39,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:39,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:39,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:39,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658315810] [2021-12-07 00:42:39,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658315810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:39,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:39,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:39,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959921211] [2021-12-07 00:42:39,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:39,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:39,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:39,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:39,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:39,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-07 00:42:39,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 260 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:39,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:39,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-07 00:42:39,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:40,300 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-12-07 00:42:40,300 INFO L384 tUnfolder$Statistics]: this new event has 116 ancestors and is not cut-off event [2021-12-07 00:42:40,300 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-07 00:42:40,300 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-07 00:42:40,300 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-07 00:42:40,301 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-12-07 00:42:40,301 INFO L384 tUnfolder$Statistics]: this new event has 120 ancestors and is cut-off event [2021-12-07 00:42:40,301 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-07 00:42:40,302 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-07 00:42:40,302 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-07 00:42:40,302 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-07 00:42:40,313 INFO L129 PetriNetUnfolder]: 173/2319 cut-off events. [2021-12-07 00:42:40,313 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-12-07 00:42:40,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 2319 events. 173/2319 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 21879 event pairs, 25 based on Foata normal form. 0/2095 useless extension candidates. Maximal degree in co-relation 1196. Up to 72 conditions per place. [2021-12-07 00:42:40,346 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 15 selfloop transitions, 4 changer transitions 0/267 dead transitions. [2021-12-07 00:42:40,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 267 transitions, 623 flow [2021-12-07 00:42:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-07 00:42:40,350 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-07 00:42:40,350 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-07 00:42:40,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-07 00:42:40,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:40,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-07 00:42:40,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-07 00:42:40,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:40,360 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:40,360 INFO L186 Difference]: Start difference. First operand has 247 places, 260 transitions, 566 flow. Second operand 3 states and 795 transitions. [2021-12-07 00:42:40,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 267 transitions, 623 flow [2021-12-07 00:42:40,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 267 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 00:42:40,372 INFO L242 Difference]: Finished difference. Result has 248 places, 262 transitions, 582 flow [2021-12-07 00:42:40,373 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=248, PETRI_TRANSITIONS=262} [2021-12-07 00:42:40,374 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -1 predicate places. [2021-12-07 00:42:40,374 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 262 transitions, 582 flow [2021-12-07 00:42:40,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:40,375 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:40,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:40,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 00:42:40,376 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:40,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:40,376 INFO L85 PathProgramCache]: Analyzing trace with hash 584730219, now seen corresponding path program 1 times [2021-12-07 00:42:40,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:40,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493604723] [2021-12-07 00:42:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:40,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:40,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:40,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493604723] [2021-12-07 00:42:40,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493604723] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:40,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:40,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:42:40,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395925716] [2021-12-07 00:42:40,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:40,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:42:40,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:40,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:42:40,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:42:40,517 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-07 00:42:40,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 262 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 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) [2021-12-07 00:42:40,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:40,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-07 00:42:40,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:40,748 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,748 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,748 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,749 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,749 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,752 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,752 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,752 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,752 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,752 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,752 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,753 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,753 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,753 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-07 00:42:40,753 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-07 00:42:40,753 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-07 00:42:40,756 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,756 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,757 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,757 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,763 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,763 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,763 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-07 00:42:40,763 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,763 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-07 00:42:40,763 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,764 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,764 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,764 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,765 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,765 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,765 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,767 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,767 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,767 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,767 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,767 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,768 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,768 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,769 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,770 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,770 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,770 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,770 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,777 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,777 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,778 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [278#true, 69#L56-30true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,778 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,779 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-07 00:42:40,781 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,781 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,781 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,781 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,781 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,781 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,792 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,792 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,792 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,793 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,793 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,793 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,793 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,804 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,804 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,804 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,804 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,804 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,811 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,811 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,812 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,812 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-07 00:42:40,814 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,814 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,814 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,815 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,815 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,815 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,817 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-07 00:42:40,817 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,817 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,817 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,817 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,817 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,817 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,839 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,840 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,840 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,840 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,840 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,840 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,840 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,840 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-07 00:42:40,841 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,841 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-07 00:42:40,842 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-07 00:42:40,997 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:40,997 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-12-07 00:42:40,997 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:40,997 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:40,997 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,001 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,002 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,002 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,002 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,002 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,002 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,002 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,002 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,003 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-07 00:42:41,003 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-07 00:42:41,005 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,005 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,005 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,006 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,006 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,006 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,006 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,011 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-07 00:42:41,011 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,011 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,011 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,011 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,016 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-07 00:42:41,016 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,017 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,017 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,017 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,017 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,017 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,017 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,017 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,018 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,018 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,019 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,019 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,019 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-07 00:42:41,019 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,019 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-07 00:42:41,021 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-07 00:42:41,021 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,021 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,021 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,021 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,021 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,021 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,040 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,040 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,040 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,040 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,040 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,049 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,049 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,049 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,049 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,049 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,049 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,050 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-07 00:42:41,050 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,051 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,051 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,051 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,051 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,051 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,051 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,052 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-07 00:42:41,052 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,052 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,052 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,052 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,052 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,052 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,053 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-07 00:42:41,053 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-07 00:42:41,056 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,056 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,056 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,056 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,057 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,057 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,057 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,066 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,067 INFO L384 tUnfolder$Statistics]: this new event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,067 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,067 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,067 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,073 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,074 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,074 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,074 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,074 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,074 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,074 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,074 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,075 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,075 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,075 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,075 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,075 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,075 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,076 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,076 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,076 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,076 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,077 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,077 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,077 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,077 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-07 00:42:41,077 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-07 00:42:41,081 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,081 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,081 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,081 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,081 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,081 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,081 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,094 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,095 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,095 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,095 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,095 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,095 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,095 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,095 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,096 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-07 00:42:41,096 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,096 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,096 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,096 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,096 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,097 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-07 00:42:41,097 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,097 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-07 00:42:41,159 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-07 00:42:41,159 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,159 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,159 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,159 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,161 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-07 00:42:41,161 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,161 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,161 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,161 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,161 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,163 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-07 00:42:41,163 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,163 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-07 00:42:41,164 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,164 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-07 00:42:41,165 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,165 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-07 00:42:41,207 INFO L129 PetriNetUnfolder]: 1007/4694 cut-off events. [2021-12-07 00:42:41,208 INFO L130 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2021-12-07 00:42:41,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6406 conditions, 4694 events. 1007/4694 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 51165 event pairs, 316 based on Foata normal form. 4/4187 useless extension candidates. Maximal degree in co-relation 4096. Up to 1022 conditions per place. [2021-12-07 00:42:41,290 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 34 selfloop transitions, 15 changer transitions 4/293 dead transitions. [2021-12-07 00:42:41,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 293 transitions, 762 flow [2021-12-07 00:42:41,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:42:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:42:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2277 transitions. [2021-12-07 00:42:41,298 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9100719424460432 [2021-12-07 00:42:41,298 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2277 transitions. [2021-12-07 00:42:41,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2277 transitions. [2021-12-07 00:42:41,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:41,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2277 transitions. [2021-12-07 00:42:41,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 253.0) internal successors, (2277), 9 states have internal predecessors, (2277), 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) [2021-12-07 00:42:41,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:41,318 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:41,318 INFO L186 Difference]: Start difference. First operand has 248 places, 262 transitions, 582 flow. Second operand 9 states and 2277 transitions. [2021-12-07 00:42:41,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 293 transitions, 762 flow [2021-12-07 00:42:41,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 293 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-07 00:42:41,326 INFO L242 Difference]: Finished difference. Result has 261 places, 274 transitions, 678 flow [2021-12-07 00:42:41,327 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=678, PETRI_PLACES=261, PETRI_TRANSITIONS=274} [2021-12-07 00:42:41,328 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-12-07 00:42:41,328 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 274 transitions, 678 flow [2021-12-07 00:42:41,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 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) [2021-12-07 00:42:41,330 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:41,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:41,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 00:42:41,330 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:41,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:41,331 INFO L85 PathProgramCache]: Analyzing trace with hash 353464671, now seen corresponding path program 1 times [2021-12-07 00:42:41,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:41,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279926543] [2021-12-07 00:42:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:41,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:41,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:41,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279926543] [2021-12-07 00:42:41,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279926543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:41,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:41,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:41,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98209080] [2021-12-07 00:42:41,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:41,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:41,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:41,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:41,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:41,394 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-07 00:42:41,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 274 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:41,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:41,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-07 00:42:41,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:41,690 INFO L129 PetriNetUnfolder]: 327/2667 cut-off events. [2021-12-07 00:42:41,690 INFO L130 PetriNetUnfolder]: For 516/698 co-relation queries the response was YES. [2021-12-07 00:42:41,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3730 conditions, 2667 events. 327/2667 cut-off events. For 516/698 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 26314 event pairs, 70 based on Foata normal form. 0/2404 useless extension candidates. Maximal degree in co-relation 3702. Up to 155 conditions per place. [2021-12-07 00:42:41,714 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 0/282 dead transitions. [2021-12-07 00:42:41,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 282 transitions, 762 flow [2021-12-07 00:42:41,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:41,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-07 00:42:41,727 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-07 00:42:41,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-07 00:42:41,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-07 00:42:41,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:41,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-07 00:42:41,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2021-12-07 00:42:41,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:41,733 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:41,733 INFO L186 Difference]: Start difference. First operand has 261 places, 274 transitions, 678 flow. Second operand 3 states and 790 transitions. [2021-12-07 00:42:41,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 282 transitions, 762 flow [2021-12-07 00:42:41,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 282 transitions, 758 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-07 00:42:41,743 INFO L242 Difference]: Finished difference. Result has 261 places, 278 transitions, 722 flow [2021-12-07 00:42:41,743 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=261, PETRI_TRANSITIONS=278} [2021-12-07 00:42:41,744 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-12-07 00:42:41,744 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 278 transitions, 722 flow [2021-12-07 00:42:41,745 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:41,745 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:41,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:41,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 00:42:41,746 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:41,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:41,746 INFO L85 PathProgramCache]: Analyzing trace with hash 541551261, now seen corresponding path program 1 times [2021-12-07 00:42:41,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:41,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315398979] [2021-12-07 00:42:41,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:41,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:41,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:41,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315398979] [2021-12-07 00:42:41,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315398979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:41,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:41,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:42:41,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209259546] [2021-12-07 00:42:41,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:41,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:42:41,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:41,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:42:41,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:42:41,870 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-07 00:42:41,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 278 transitions, 722 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 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) [2021-12-07 00:42:41,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:41,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-07 00:42:41,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:42,430 INFO L129 PetriNetUnfolder]: 723/3800 cut-off events. [2021-12-07 00:42:42,430 INFO L130 PetriNetUnfolder]: For 1877/2027 co-relation queries the response was YES. [2021-12-07 00:42:42,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6763 conditions, 3800 events. 723/3800 cut-off events. For 1877/2027 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 40871 event pairs, 307 based on Foata normal form. 49/3492 useless extension candidates. Maximal degree in co-relation 4511. Up to 1007 conditions per place. [2021-12-07 00:42:42,485 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 37 selfloop transitions, 15 changer transitions 7/308 dead transitions. [2021-12-07 00:42:42,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 308 transitions, 959 flow [2021-12-07 00:42:42,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:42:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:42:42,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2276 transitions. [2021-12-07 00:42:42,490 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9096722621902478 [2021-12-07 00:42:42,490 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2276 transitions. [2021-12-07 00:42:42,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2276 transitions. [2021-12-07 00:42:42,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:42,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2276 transitions. [2021-12-07 00:42:42,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 252.88888888888889) internal successors, (2276), 9 states have internal predecessors, (2276), 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) [2021-12-07 00:42:42,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:42,502 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:42,502 INFO L186 Difference]: Start difference. First operand has 261 places, 278 transitions, 722 flow. Second operand 9 states and 2276 transitions. [2021-12-07 00:42:42,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 308 transitions, 959 flow [2021-12-07 00:42:42,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 308 transitions, 947 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-12-07 00:42:42,510 INFO L242 Difference]: Finished difference. Result has 275 places, 290 transitions, 844 flow [2021-12-07 00:42:42,510 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=844, PETRI_PLACES=275, PETRI_TRANSITIONS=290} [2021-12-07 00:42:42,511 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 26 predicate places. [2021-12-07 00:42:42,511 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 290 transitions, 844 flow [2021-12-07 00:42:42,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 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) [2021-12-07 00:42:42,512 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:42,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:42,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 00:42:42,512 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:42,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:42,513 INFO L85 PathProgramCache]: Analyzing trace with hash 5342983, now seen corresponding path program 2 times [2021-12-07 00:42:42,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:42,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210552098] [2021-12-07 00:42:42,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:42,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:42,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:42,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210552098] [2021-12-07 00:42:42,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210552098] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:42,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:42,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:42:42,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973745312] [2021-12-07 00:42:42,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:42,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:42:42,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:42:42,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:42:42,591 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-07 00:42:42,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 290 transitions, 844 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 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) [2021-12-07 00:42:42,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:42,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-07 00:42:42,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:43,130 INFO L129 PetriNetUnfolder]: 721/3951 cut-off events. [2021-12-07 00:42:43,130 INFO L130 PetriNetUnfolder]: For 5276/5394 co-relation queries the response was YES. [2021-12-07 00:42:43,158 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8407 conditions, 3951 events. 721/3951 cut-off events. For 5276/5394 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 43204 event pairs, 314 based on Foata normal form. 49/3634 useless extension candidates. Maximal degree in co-relation 8373. Up to 961 conditions per place. [2021-12-07 00:42:43,180 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 41 selfloop transitions, 9 changer transitions 15/314 dead transitions. [2021-12-07 00:42:43,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 314 transitions, 1139 flow [2021-12-07 00:42:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:42:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-12-07 00:42:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2521 transitions. [2021-12-07 00:42:43,189 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9068345323741007 [2021-12-07 00:42:43,189 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 2521 transitions. [2021-12-07 00:42:43,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 2521 transitions. [2021-12-07 00:42:43,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:43,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 2521 transitions. [2021-12-07 00:42:43,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 252.1) internal successors, (2521), 10 states have internal predecessors, (2521), 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) [2021-12-07 00:42:43,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 278.0) internal successors, (3058), 11 states have internal predecessors, (3058), 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) [2021-12-07 00:42:43,204 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 278.0) internal successors, (3058), 11 states have internal predecessors, (3058), 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) [2021-12-07 00:42:43,205 INFO L186 Difference]: Start difference. First operand has 275 places, 290 transitions, 844 flow. Second operand 10 states and 2521 transitions. [2021-12-07 00:42:43,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 314 transitions, 1139 flow [2021-12-07 00:42:43,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 314 transitions, 1111 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-12-07 00:42:43,223 INFO L242 Difference]: Finished difference. Result has 283 places, 290 transitions, 844 flow [2021-12-07 00:42:43,224 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=844, PETRI_PLACES=283, PETRI_TRANSITIONS=290} [2021-12-07 00:42:43,225 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 34 predicate places. [2021-12-07 00:42:43,225 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 290 transitions, 844 flow [2021-12-07 00:42:43,226 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 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) [2021-12-07 00:42:43,226 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:43,226 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:43,226 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 00:42:43,226 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:43,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:43,227 INFO L85 PathProgramCache]: Analyzing trace with hash -478362955, now seen corresponding path program 1 times [2021-12-07 00:42:43,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:43,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632735310] [2021-12-07 00:42:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:43,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:43,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:43,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632735310] [2021-12-07 00:42:43,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632735310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:43,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:43,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:43,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219872522] [2021-12-07 00:42:43,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:43,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:43,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:43,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:43,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:43,259 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-07 00:42:43,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 290 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:43,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:43,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-07 00:42:43,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:43,512 INFO L129 PetriNetUnfolder]: 196/2433 cut-off events. [2021-12-07 00:42:43,512 INFO L130 PetriNetUnfolder]: For 1066/1271 co-relation queries the response was YES. [2021-12-07 00:42:43,526 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3887 conditions, 2433 events. 196/2433 cut-off events. For 1066/1271 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 24124 event pairs, 55 based on Foata normal form. 2/2285 useless extension candidates. Maximal degree in co-relation 3854. Up to 127 conditions per place. [2021-12-07 00:42:43,533 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 19 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2021-12-07 00:42:43,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 297 transitions, 909 flow [2021-12-07 00:42:43,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-07 00:42:43,535 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-07 00:42:43,535 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-07 00:42:43,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-07 00:42:43,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:43,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-07 00:42:43,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-07 00:42:43,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:43,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:43,539 INFO L186 Difference]: Start difference. First operand has 283 places, 290 transitions, 844 flow. Second operand 3 states and 795 transitions. [2021-12-07 00:42:43,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 297 transitions, 909 flow [2021-12-07 00:42:43,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 297 transitions, 900 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-12-07 00:42:43,547 INFO L242 Difference]: Finished difference. Result has 281 places, 292 transitions, 859 flow [2021-12-07 00:42:43,547 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=859, PETRI_PLACES=281, PETRI_TRANSITIONS=292} [2021-12-07 00:42:43,548 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 32 predicate places. [2021-12-07 00:42:43,548 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 292 transitions, 859 flow [2021-12-07 00:42:43,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:43,549 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:43,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:43,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 00:42:43,549 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:43,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:43,549 INFO L85 PathProgramCache]: Analyzing trace with hash 701178951, now seen corresponding path program 1 times [2021-12-07 00:42:43,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:43,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135732626] [2021-12-07 00:42:43,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:43,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:43,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:43,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135732626] [2021-12-07 00:42:43,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135732626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:43,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:43,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:42:43,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505122778] [2021-12-07 00:42:43,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:43,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 00:42:43,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:43,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:42:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:42:43,631 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-07 00:42:43,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 292 transitions, 859 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 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) [2021-12-07 00:42:43,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:43,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-07 00:42:43,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:44,180 INFO L129 PetriNetUnfolder]: 738/5704 cut-off events. [2021-12-07 00:42:44,180 INFO L130 PetriNetUnfolder]: For 4967/5505 co-relation queries the response was YES. [2021-12-07 00:42:44,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10634 conditions, 5704 events. 738/5704 cut-off events. For 4967/5505 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 70658 event pairs, 300 based on Foata normal form. 37/5409 useless extension candidates. Maximal degree in co-relation 9644. Up to 510 conditions per place. [2021-12-07 00:42:44,227 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 36 selfloop transitions, 9 changer transitions 43/344 dead transitions. [2021-12-07 00:42:44,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 344 transitions, 1352 flow [2021-12-07 00:42:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:42:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-07 00:42:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1774 transitions. [2021-12-07 00:42:44,231 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9116135662898253 [2021-12-07 00:42:44,231 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1774 transitions. [2021-12-07 00:42:44,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1774 transitions. [2021-12-07 00:42:44,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:44,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1774 transitions. [2021-12-07 00:42:44,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 253.42857142857142) internal successors, (1774), 7 states have internal predecessors, (1774), 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) [2021-12-07 00:42:44,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 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) [2021-12-07 00:42:44,239 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 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) [2021-12-07 00:42:44,239 INFO L186 Difference]: Start difference. First operand has 281 places, 292 transitions, 859 flow. Second operand 7 states and 1774 transitions. [2021-12-07 00:42:44,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 344 transitions, 1352 flow [2021-12-07 00:42:44,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 344 transitions, 1346 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-07 00:42:44,256 INFO L242 Difference]: Finished difference. Result has 291 places, 292 transitions, 893 flow [2021-12-07 00:42:44,256 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=853, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=893, PETRI_PLACES=291, PETRI_TRANSITIONS=292} [2021-12-07 00:42:44,257 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 42 predicate places. [2021-12-07 00:42:44,257 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 292 transitions, 893 flow [2021-12-07 00:42:44,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 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) [2021-12-07 00:42:44,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:44,258 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:44,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 00:42:44,258 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash 828163827, now seen corresponding path program 2 times [2021-12-07 00:42:44,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:44,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920698867] [2021-12-07 00:42:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:44,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:44,310 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:44,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920698867] [2021-12-07 00:42:44,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920698867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:44,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:44,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:42:44,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273820488] [2021-12-07 00:42:44,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:44,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:42:44,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:44,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:42:44,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:42:44,314 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-07 00:42:44,316 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 292 transitions, 893 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-07 00:42:44,316 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:44,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-07 00:42:44,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:44,602 INFO L129 PetriNetUnfolder]: 232/2187 cut-off events. [2021-12-07 00:42:44,603 INFO L130 PetriNetUnfolder]: For 1375/1604 co-relation queries the response was YES. [2021-12-07 00:42:44,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4006 conditions, 2187 events. 232/2187 cut-off events. For 1375/1604 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 22109 event pairs, 62 based on Foata normal form. 21/2057 useless extension candidates. Maximal degree in co-relation 3966. Up to 150 conditions per place. [2021-12-07 00:42:44,624 INFO L132 encePairwiseOnDemand]: 269/278 looper letters, 23 selfloop transitions, 11 changer transitions 4/303 dead transitions. [2021-12-07 00:42:44,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 303 transitions, 1009 flow [2021-12-07 00:42:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 00:42:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-12-07 00:42:44,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1791 transitions. [2021-12-07 00:42:44,629 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.920349434737924 [2021-12-07 00:42:44,629 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1791 transitions. [2021-12-07 00:42:44,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1791 transitions. [2021-12-07 00:42:44,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:44,631 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1791 transitions. [2021-12-07 00:42:44,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 255.85714285714286) internal successors, (1791), 7 states have internal predecessors, (1791), 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) [2021-12-07 00:42:44,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 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) [2021-12-07 00:42:44,640 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 278.0) internal successors, (2224), 8 states have internal predecessors, (2224), 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) [2021-12-07 00:42:44,640 INFO L186 Difference]: Start difference. First operand has 291 places, 292 transitions, 893 flow. Second operand 7 states and 1791 transitions. [2021-12-07 00:42:44,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 303 transitions, 1009 flow [2021-12-07 00:42:44,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 303 transitions, 969 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-12-07 00:42:44,649 INFO L242 Difference]: Finished difference. Result has 291 places, 292 transitions, 893 flow [2021-12-07 00:42:44,650 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=857, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=893, PETRI_PLACES=291, PETRI_TRANSITIONS=292} [2021-12-07 00:42:44,650 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 42 predicate places. [2021-12-07 00:42:44,650 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 292 transitions, 893 flow [2021-12-07 00:42:44,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-07 00:42:44,651 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:44,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:44,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 00:42:44,651 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:44,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:44,652 INFO L85 PathProgramCache]: Analyzing trace with hash -724671635, now seen corresponding path program 1 times [2021-12-07 00:42:44,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:44,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185951922] [2021-12-07 00:42:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:44,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:44,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:44,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185951922] [2021-12-07 00:42:44,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185951922] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:44,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:44,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:44,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732989231] [2021-12-07 00:42:44,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:44,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:44,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:44,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:44,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:44,678 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-07 00:42:44,679 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 292 transitions, 893 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:44,679 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:44,679 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-07 00:42:44,679 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:45,153 INFO L129 PetriNetUnfolder]: 338/4472 cut-off events. [2021-12-07 00:42:45,153 INFO L130 PetriNetUnfolder]: For 2331/2676 co-relation queries the response was YES. [2021-12-07 00:42:45,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7369 conditions, 4472 events. 338/4472 cut-off events. For 2331/2676 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 53922 event pairs, 87 based on Foata normal form. 5/4186 useless extension candidates. Maximal degree in co-relation 7325. Up to 214 conditions per place. [2021-12-07 00:42:45,189 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 18 selfloop transitions, 3 changer transitions 1/300 dead transitions. [2021-12-07 00:42:45,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 300 transitions, 958 flow [2021-12-07 00:42:45,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:45,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-07 00:42:45,191 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-07 00:42:45,191 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-07 00:42:45,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-07 00:42:45,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:45,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-07 00:42:45,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-07 00:42:45,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:45,195 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:45,195 INFO L186 Difference]: Start difference. First operand has 291 places, 292 transitions, 893 flow. Second operand 3 states and 793 transitions. [2021-12-07 00:42:45,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 300 transitions, 958 flow [2021-12-07 00:42:45,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 300 transitions, 933 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-12-07 00:42:45,209 INFO L242 Difference]: Finished difference. Result has 287 places, 294 transitions, 894 flow [2021-12-07 00:42:45,209 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=287, PETRI_TRANSITIONS=294} [2021-12-07 00:42:45,210 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 38 predicate places. [2021-12-07 00:42:45,210 INFO L470 AbstractCegarLoop]: Abstraction has has 287 places, 294 transitions, 894 flow [2021-12-07 00:42:45,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:45,210 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:45,210 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:45,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 00:42:45,211 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:45,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash -613985965, now seen corresponding path program 2 times [2021-12-07 00:42:45,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:45,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367107200] [2021-12-07 00:42:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:45,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:45,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:45,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:45,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367107200] [2021-12-07 00:42:45,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367107200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:45,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:45,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:45,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177428823] [2021-12-07 00:42:45,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:45,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:45,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:45,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:45,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:45,237 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-07 00:42:45,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 294 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:45,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:45,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-07 00:42:45,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:45,591 INFO L129 PetriNetUnfolder]: 232/3236 cut-off events. [2021-12-07 00:42:45,592 INFO L130 PetriNetUnfolder]: For 1387/1555 co-relation queries the response was YES. [2021-12-07 00:42:45,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5170 conditions, 3236 events. 232/3236 cut-off events. For 1387/1555 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 36092 event pairs, 70 based on Foata normal form. 18/3056 useless extension candidates. Maximal degree in co-relation 4665. Up to 140 conditions per place. [2021-12-07 00:42:45,615 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 18 selfloop transitions, 5 changer transitions 2/302 dead transitions. [2021-12-07 00:42:45,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 302 transitions, 969 flow [2021-12-07 00:42:45,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:45,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-07 00:42:45,618 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-07 00:42:45,618 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-07 00:42:45,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-07 00:42:45,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:45,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-07 00:42:45,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-07 00:42:45,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:45,621 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:45,621 INFO L186 Difference]: Start difference. First operand has 287 places, 294 transitions, 894 flow. Second operand 3 states and 793 transitions. [2021-12-07 00:42:45,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 302 transitions, 969 flow [2021-12-07 00:42:45,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 302 transitions, 966 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:42:45,630 INFO L242 Difference]: Finished difference. Result has 290 places, 295 transitions, 924 flow [2021-12-07 00:42:45,631 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=891, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=924, PETRI_PLACES=290, PETRI_TRANSITIONS=295} [2021-12-07 00:42:45,631 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 41 predicate places. [2021-12-07 00:42:45,631 INFO L470 AbstractCegarLoop]: Abstraction has has 290 places, 295 transitions, 924 flow [2021-12-07 00:42:45,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:45,631 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:45,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:45,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 00:42:45,632 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:45,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1342359111, now seen corresponding path program 1 times [2021-12-07 00:42:45,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:45,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63010359] [2021-12-07 00:42:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:45,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:45,677 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:45,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63010359] [2021-12-07 00:42:45,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63010359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:45,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:45,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:42:45,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976889089] [2021-12-07 00:42:45,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:45,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:42:45,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:45,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:42:45,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:42:45,679 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-07 00:42:45,681 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 295 transitions, 924 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-07 00:42:45,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:45,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-07 00:42:45,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:46,023 INFO L129 PetriNetUnfolder]: 280/3039 cut-off events. [2021-12-07 00:42:46,023 INFO L130 PetriNetUnfolder]: For 1529/1836 co-relation queries the response was YES. [2021-12-07 00:42:46,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5176 conditions, 3039 events. 280/3039 cut-off events. For 1529/1836 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 33785 event pairs, 122 based on Foata normal form. 11/2852 useless extension candidates. Maximal degree in co-relation 4642. Up to 347 conditions per place. [2021-12-07 00:42:46,044 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 30 selfloop transitions, 5 changer transitions 18/314 dead transitions. [2021-12-07 00:42:46,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 314 transitions, 1080 flow [2021-12-07 00:42:46,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:42:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:42:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-12-07 00:42:46,048 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-12-07 00:42:46,048 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-12-07 00:42:46,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-12-07 00:42:46,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:46,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-12-07 00:42:46,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 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) [2021-12-07 00:42:46,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:46,056 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:46,056 INFO L186 Difference]: Start difference. First operand has 290 places, 295 transitions, 924 flow. Second operand 9 states and 2297 transitions. [2021-12-07 00:42:46,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 314 transitions, 1080 flow [2021-12-07 00:42:46,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 314 transitions, 1062 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-12-07 00:42:46,065 INFO L242 Difference]: Finished difference. Result has 300 places, 290 transitions, 912 flow [2021-12-07 00:42:46,065 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=912, PETRI_PLACES=300, PETRI_TRANSITIONS=290} [2021-12-07 00:42:46,066 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 51 predicate places. [2021-12-07 00:42:46,066 INFO L470 AbstractCegarLoop]: Abstraction has has 300 places, 290 transitions, 912 flow [2021-12-07 00:42:46,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-07 00:42:46,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:46,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:46,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 00:42:46,067 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:46,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1200197174, now seen corresponding path program 1 times [2021-12-07 00:42:46,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:46,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575050903] [2021-12-07 00:42:46,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:46,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:46,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:46,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575050903] [2021-12-07 00:42:46,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575050903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:46,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:46,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:42:46,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018286551] [2021-12-07 00:42:46,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:46,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 00:42:46,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:46,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:42:46,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:42:46,117 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-07 00:42:46,118 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 290 transitions, 912 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-07 00:42:46,119 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:46,119 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-07 00:42:46,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:46,401 INFO L129 PetriNetUnfolder]: 164/2472 cut-off events. [2021-12-07 00:42:46,401 INFO L130 PetriNetUnfolder]: For 1117/1286 co-relation queries the response was YES. [2021-12-07 00:42:46,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3935 conditions, 2472 events. 164/2472 cut-off events. For 1117/1286 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 26376 event pairs, 28 based on Foata normal form. 10/2325 useless extension candidates. Maximal degree in co-relation 3901. Up to 138 conditions per place. [2021-12-07 00:42:46,421 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 16 selfloop transitions, 1 changer transitions 20/310 dead transitions. [2021-12-07 00:42:46,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 310 transitions, 1063 flow [2021-12-07 00:42:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:42:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:42:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-12-07 00:42:46,425 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-12-07 00:42:46,425 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-12-07 00:42:46,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-12-07 00:42:46,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:46,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-12-07 00:42:46,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 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) [2021-12-07 00:42:46,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:46,433 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:46,433 INFO L186 Difference]: Start difference. First operand has 300 places, 290 transitions, 912 flow. Second operand 9 states and 2297 transitions. [2021-12-07 00:42:46,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 310 transitions, 1063 flow [2021-12-07 00:42:46,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 310 transitions, 1038 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-12-07 00:42:46,442 INFO L242 Difference]: Finished difference. Result has 308 places, 290 transitions, 910 flow [2021-12-07 00:42:46,443 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=910, PETRI_PLACES=308, PETRI_TRANSITIONS=290} [2021-12-07 00:42:46,443 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 59 predicate places. [2021-12-07 00:42:46,443 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 290 transitions, 910 flow [2021-12-07 00:42:46,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-07 00:42:46,444 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:46,444 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:46,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 00:42:46,444 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:46,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:46,445 INFO L85 PathProgramCache]: Analyzing trace with hash 844666116, now seen corresponding path program 1 times [2021-12-07 00:42:46,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:46,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907557874] [2021-12-07 00:42:46,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:46,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:46,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:46,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907557874] [2021-12-07 00:42:46,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907557874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:46,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:46,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:42:46,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098553157] [2021-12-07 00:42:46,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:46,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:42:46,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:46,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:42:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:42:46,505 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-07 00:42:46,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 290 transitions, 910 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-07 00:42:46,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:46,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-07 00:42:46,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:46,844 INFO L129 PetriNetUnfolder]: 246/2391 cut-off events. [2021-12-07 00:42:46,844 INFO L130 PetriNetUnfolder]: For 1183/1403 co-relation queries the response was YES. [2021-12-07 00:42:46,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 2391 events. 246/2391 cut-off events. For 1183/1403 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 25035 event pairs, 51 based on Foata normal form. 30/2244 useless extension candidates. Maximal degree in co-relation 4288. Up to 275 conditions per place. [2021-12-07 00:42:46,867 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 42 selfloop transitions, 15 changer transitions 4/316 dead transitions. [2021-12-07 00:42:46,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 316 transitions, 1141 flow [2021-12-07 00:42:46,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:42:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-07 00:42:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2253 transitions. [2021-12-07 00:42:46,871 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9004796163069544 [2021-12-07 00:42:46,871 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2253 transitions. [2021-12-07 00:42:46,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2253 transitions. [2021-12-07 00:42:46,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:46,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2253 transitions. [2021-12-07 00:42:46,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 250.33333333333334) internal successors, (2253), 9 states have internal predecessors, (2253), 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) [2021-12-07 00:42:46,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:46,879 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-07 00:42:46,879 INFO L186 Difference]: Start difference. First operand has 308 places, 290 transitions, 910 flow. Second operand 9 states and 2253 transitions. [2021-12-07 00:42:46,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 316 transitions, 1141 flow [2021-12-07 00:42:46,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 316 transitions, 1103 flow, removed 12 selfloop flow, removed 8 redundant places. [2021-12-07 00:42:46,889 INFO L242 Difference]: Finished difference. Result has 309 places, 301 transitions, 1018 flow [2021-12-07 00:42:46,890 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=884, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1018, PETRI_PLACES=309, PETRI_TRANSITIONS=301} [2021-12-07 00:42:46,890 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 60 predicate places. [2021-12-07 00:42:46,890 INFO L470 AbstractCegarLoop]: Abstraction has has 309 places, 301 transitions, 1018 flow [2021-12-07 00:42:46,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-07 00:42:46,891 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:46,891 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:46,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 00:42:46,891 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:46,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1696642918, now seen corresponding path program 1 times [2021-12-07 00:42:46,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:46,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851673392] [2021-12-07 00:42:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:46,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:46,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:46,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851673392] [2021-12-07 00:42:46,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851673392] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:46,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:46,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:46,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729896587] [2021-12-07 00:42:46,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:46,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:46,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:46,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:46,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:46,921 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-07 00:42:46,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 301 transitions, 1018 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:46,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:46,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-07 00:42:46,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:47,306 INFO L129 PetriNetUnfolder]: 246/3341 cut-off events. [2021-12-07 00:42:47,306 INFO L130 PetriNetUnfolder]: For 1923/2164 co-relation queries the response was YES. [2021-12-07 00:42:47,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5841 conditions, 3341 events. 246/3341 cut-off events. For 1923/2164 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 38351 event pairs, 82 based on Foata normal form. 8/3110 useless extension candidates. Maximal degree in co-relation 5800. Up to 166 conditions per place. [2021-12-07 00:42:47,338 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 20 selfloop transitions, 4 changer transitions 3/309 dead transitions. [2021-12-07 00:42:47,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 309 transitions, 1086 flow [2021-12-07 00:42:47,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-07 00:42:47,340 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-07 00:42:47,340 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-07 00:42:47,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-07 00:42:47,340 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:47,340 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-07 00:42:47,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2021-12-07 00:42:47,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:47,343 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:47,343 INFO L186 Difference]: Start difference. First operand has 309 places, 301 transitions, 1018 flow. Second operand 3 states and 790 transitions. [2021-12-07 00:42:47,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 309 transitions, 1086 flow [2021-12-07 00:42:47,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 309 transitions, 1065 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-12-07 00:42:47,358 INFO L242 Difference]: Finished difference. Result has 308 places, 302 transitions, 1011 flow [2021-12-07 00:42:47,358 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=997, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1011, PETRI_PLACES=308, PETRI_TRANSITIONS=302} [2021-12-07 00:42:47,358 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 59 predicate places. [2021-12-07 00:42:47,358 INFO L470 AbstractCegarLoop]: Abstraction has has 308 places, 302 transitions, 1011 flow [2021-12-07 00:42:47,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:47,359 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:47,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:47,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 00:42:47,359 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:47,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:47,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1769468948, now seen corresponding path program 2 times [2021-12-07 00:42:47,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:47,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420172825] [2021-12-07 00:42:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:47,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:47,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:47,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420172825] [2021-12-07 00:42:47,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420172825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:47,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:47,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:47,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616958645] [2021-12-07 00:42:47,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:47,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:47,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:47,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:47,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:47,385 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-07 00:42:47,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 302 transitions, 1011 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:47,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:47,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-07 00:42:47,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:47,727 INFO L129 PetriNetUnfolder]: 207/2894 cut-off events. [2021-12-07 00:42:47,727 INFO L130 PetriNetUnfolder]: For 1563/1925 co-relation queries the response was YES. [2021-12-07 00:42:47,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4909 conditions, 2894 events. 207/2894 cut-off events. For 1563/1925 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 31197 event pairs, 57 based on Foata normal form. 36/2768 useless extension candidates. Maximal degree in co-relation 4816. Up to 146 conditions per place. [2021-12-07 00:42:47,755 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 22 selfloop transitions, 6 changer transitions 0/310 dead transitions. [2021-12-07 00:42:47,756 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 310 transitions, 1095 flow [2021-12-07 00:42:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-07 00:42:47,758 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-07 00:42:47,758 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-07 00:42:47,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-07 00:42:47,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:47,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-07 00:42:47,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2021-12-07 00:42:47,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:47,760 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:47,761 INFO L186 Difference]: Start difference. First operand has 308 places, 302 transitions, 1011 flow. Second operand 3 states and 790 transitions. [2021-12-07 00:42:47,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 310 transitions, 1095 flow [2021-12-07 00:42:47,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 310 transitions, 1091 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:42:47,775 INFO L242 Difference]: Finished difference. Result has 311 places, 306 transitions, 1063 flow [2021-12-07 00:42:47,775 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1007, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1063, PETRI_PLACES=311, PETRI_TRANSITIONS=306} [2021-12-07 00:42:47,776 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 62 predicate places. [2021-12-07 00:42:47,776 INFO L470 AbstractCegarLoop]: Abstraction has has 311 places, 306 transitions, 1063 flow [2021-12-07 00:42:47,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-07 00:42:47,776 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:47,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:47,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 00:42:47,777 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:47,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:47,777 INFO L85 PathProgramCache]: Analyzing trace with hash 62587530, now seen corresponding path program 1 times [2021-12-07 00:42:47,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:47,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552256149] [2021-12-07 00:42:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:47,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:47,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:47,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552256149] [2021-12-07 00:42:47,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552256149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:47,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:47,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:47,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565655478] [2021-12-07 00:42:47,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:47,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:47,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:47,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:47,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:47,819 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-07 00:42:47,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 311 places, 306 transitions, 1063 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:47,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:47,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-07 00:42:47,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:48,279 INFO L129 PetriNetUnfolder]: 210/4079 cut-off events. [2021-12-07 00:42:48,279 INFO L130 PetriNetUnfolder]: For 2397/3072 co-relation queries the response was YES. [2021-12-07 00:42:48,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6865 conditions, 4079 events. 210/4079 cut-off events. For 2397/3072 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 47483 event pairs, 64 based on Foata normal form. 7/3829 useless extension candidates. Maximal degree in co-relation 6706. Up to 272 conditions per place. [2021-12-07 00:42:48,319 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 15 selfloop transitions, 4 changer transitions 4/313 dead transitions. [2021-12-07 00:42:48,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 313 transitions, 1120 flow [2021-12-07 00:42:48,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:48,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-07 00:42:48,321 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-07 00:42:48,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-07 00:42:48,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-07 00:42:48,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:48,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-07 00:42:48,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-07 00:42:48,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:48,323 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:48,323 INFO L186 Difference]: Start difference. First operand has 311 places, 306 transitions, 1063 flow. Second operand 3 states and 795 transitions. [2021-12-07 00:42:48,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 313 transitions, 1120 flow [2021-12-07 00:42:48,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 313 transitions, 1100 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-12-07 00:42:48,336 INFO L242 Difference]: Finished difference. Result has 313 places, 304 transitions, 1052 flow [2021-12-07 00:42:48,337 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1052, PETRI_PLACES=313, PETRI_TRANSITIONS=304} [2021-12-07 00:42:48,337 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 64 predicate places. [2021-12-07 00:42:48,337 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 304 transitions, 1052 flow [2021-12-07 00:42:48,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:48,337 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:48,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:48,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-07 00:42:48,338 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:48,338 INFO L85 PathProgramCache]: Analyzing trace with hash -356894316, now seen corresponding path program 2 times [2021-12-07 00:42:48,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:48,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590804185] [2021-12-07 00:42:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:48,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:48,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:48,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590804185] [2021-12-07 00:42:48,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590804185] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:48,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:48,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:48,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240337229] [2021-12-07 00:42:48,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:48,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:48,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:48,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:48,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:48,362 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-07 00:42:48,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 304 transitions, 1052 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:48,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:48,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-07 00:42:48,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:48,790 INFO L129 PetriNetUnfolder]: 174/3796 cut-off events. [2021-12-07 00:42:48,790 INFO L130 PetriNetUnfolder]: For 2004/2411 co-relation queries the response was YES. [2021-12-07 00:42:48,813 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6298 conditions, 3796 events. 174/3796 cut-off events. For 2004/2411 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 42874 event pairs, 78 based on Foata normal form. 16/3606 useless extension candidates. Maximal degree in co-relation 6140. Up to 242 conditions per place. [2021-12-07 00:42:48,818 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 19 selfloop transitions, 2 changer transitions 0/311 dead transitions. [2021-12-07 00:42:48,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 313 places, 311 transitions, 1117 flow [2021-12-07 00:42:48,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-07 00:42:48,820 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-07 00:42:48,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-07 00:42:48,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-07 00:42:48,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:48,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-07 00:42:48,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-07 00:42:48,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:48,823 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:48,823 INFO L186 Difference]: Start difference. First operand has 313 places, 304 transitions, 1052 flow. Second operand 3 states and 795 transitions. [2021-12-07 00:42:48,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 313 places, 311 transitions, 1117 flow [2021-12-07 00:42:48,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 311 transitions, 1107 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-12-07 00:42:48,835 INFO L242 Difference]: Finished difference. Result has 312 places, 306 transitions, 1066 flow [2021-12-07 00:42:48,835 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1066, PETRI_PLACES=312, PETRI_TRANSITIONS=306} [2021-12-07 00:42:48,836 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 63 predicate places. [2021-12-07 00:42:48,836 INFO L470 AbstractCegarLoop]: Abstraction has has 312 places, 306 transitions, 1066 flow [2021-12-07 00:42:48,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-07 00:42:48,836 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:48,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:48,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 00:42:48,836 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:48,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:48,836 INFO L85 PathProgramCache]: Analyzing trace with hash 258154666, now seen corresponding path program 1 times [2021-12-07 00:42:48,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:48,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580985509] [2021-12-07 00:42:48,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:48,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:48,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:48,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580985509] [2021-12-07 00:42:48,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580985509] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:48,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:48,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:48,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600038925] [2021-12-07 00:42:48,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:48,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:48,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:48,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:48,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:48,862 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-07 00:42:48,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 306 transitions, 1066 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:48,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:48,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-07 00:42:48,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:49,541 INFO L129 PetriNetUnfolder]: 298/6057 cut-off events. [2021-12-07 00:42:49,541 INFO L130 PetriNetUnfolder]: For 3929/4784 co-relation queries the response was YES. [2021-12-07 00:42:49,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10363 conditions, 6057 events. 298/6057 cut-off events. For 3929/4784 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 75672 event pairs, 123 based on Foata normal form. 8/5722 useless extension candidates. Maximal degree in co-relation 10103. Up to 334 conditions per place. [2021-12-07 00:42:49,598 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 19 selfloop transitions, 3 changer transitions 0/314 dead transitions. [2021-12-07 00:42:49,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 314 transitions, 1131 flow [2021-12-07 00:42:49,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-07 00:42:49,601 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-07 00:42:49,601 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-07 00:42:49,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-07 00:42:49,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:49,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-07 00:42:49,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-07 00:42:49,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:49,605 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:49,605 INFO L186 Difference]: Start difference. First operand has 312 places, 306 transitions, 1066 flow. Second operand 3 states and 793 transitions. [2021-12-07 00:42:49,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 314 transitions, 1131 flow [2021-12-07 00:42:49,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 314 transitions, 1125 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-07 00:42:49,625 INFO L242 Difference]: Finished difference. Result has 315 places, 309 transitions, 1090 flow [2021-12-07 00:42:49,626 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1090, PETRI_PLACES=315, PETRI_TRANSITIONS=309} [2021-12-07 00:42:49,626 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 66 predicate places. [2021-12-07 00:42:49,626 INFO L470 AbstractCegarLoop]: Abstraction has has 315 places, 309 transitions, 1090 flow [2021-12-07 00:42:49,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:49,626 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:49,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:49,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 00:42:49,627 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:49,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:49,627 INFO L85 PathProgramCache]: Analyzing trace with hash 644560360, now seen corresponding path program 1 times [2021-12-07 00:42:49,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:49,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863652155] [2021-12-07 00:42:49,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:49,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:49,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:49,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863652155] [2021-12-07 00:42:49,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863652155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:49,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:49,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 00:42:49,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254178233] [2021-12-07 00:42:49,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:49,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 00:42:49,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:49,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 00:42:49,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 00:42:49,654 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-07 00:42:49,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 309 transitions, 1090 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:49,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:49,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-07 00:42:49,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:50,178 INFO L129 PetriNetUnfolder]: 228/4889 cut-off events. [2021-12-07 00:42:50,178 INFO L130 PetriNetUnfolder]: For 3358/4051 co-relation queries the response was YES. [2021-12-07 00:42:50,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8497 conditions, 4889 events. 228/4889 cut-off events. For 3358/4051 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 57974 event pairs, 108 based on Foata normal form. 21/4620 useless extension candidates. Maximal degree in co-relation 8248. Up to 260 conditions per place. [2021-12-07 00:42:50,223 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 20 selfloop transitions, 5 changer transitions 19/317 dead transitions. [2021-12-07 00:42:50,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 317 transitions, 1167 flow [2021-12-07 00:42:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 00:42:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-07 00:42:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-07 00:42:50,225 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-07 00:42:50,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-07 00:42:50,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-07 00:42:50,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:50,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-07 00:42:50,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-07 00:42:50,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:50,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-07 00:42:50,227 INFO L186 Difference]: Start difference. First operand has 315 places, 309 transitions, 1090 flow. Second operand 3 states and 793 transitions. [2021-12-07 00:42:50,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 317 transitions, 1167 flow [2021-12-07 00:42:50,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 317 transitions, 1164 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-07 00:42:50,245 INFO L242 Difference]: Finished difference. Result has 318 places, 293 transitions, 1010 flow [2021-12-07 00:42:50,245 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1087, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=304, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1010, PETRI_PLACES=318, PETRI_TRANSITIONS=293} [2021-12-07 00:42:50,246 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 69 predicate places. [2021-12-07 00:42:50,246 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 293 transitions, 1010 flow [2021-12-07 00:42:50,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-07 00:42:50,246 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:50,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:50,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 00:42:50,246 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:50,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1312235222, now seen corresponding path program 1 times [2021-12-07 00:42:50,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:50,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121125972] [2021-12-07 00:42:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:50,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:50,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:50,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121125972] [2021-12-07 00:42:50,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121125972] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:50,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:50,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:42:50,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69040153] [2021-12-07 00:42:50,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:50,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:42:50,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:50,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:42:50,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:42:50,303 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-07 00:42:50,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 293 transitions, 1010 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-07 00:42:50,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:50,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-07 00:42:50,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:51,002 INFO L129 PetriNetUnfolder]: 578/4433 cut-off events. [2021-12-07 00:42:51,002 INFO L130 PetriNetUnfolder]: For 2854/3627 co-relation queries the response was YES. [2021-12-07 00:42:51,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8575 conditions, 4433 events. 578/4433 cut-off events. For 2854/3627 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 50707 event pairs, 429 based on Foata normal form. 11/4033 useless extension candidates. Maximal degree in co-relation 8539. Up to 1387 conditions per place. [2021-12-07 00:42:51,039 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 34 selfloop transitions, 9 changer transitions 16/323 dead transitions. [2021-12-07 00:42:51,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 323 transitions, 1215 flow [2021-12-07 00:42:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 00:42:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-07 00:42:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3239 transitions. [2021-12-07 00:42:51,043 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8962368566685114 [2021-12-07 00:42:51,043 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3239 transitions. [2021-12-07 00:42:51,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3239 transitions. [2021-12-07 00:42:51,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:51,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3239 transitions. [2021-12-07 00:42:51,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 249.15384615384616) internal successors, (3239), 13 states have internal predecessors, (3239), 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) [2021-12-07 00:42:51,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-07 00:42:51,051 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-07 00:42:51,051 INFO L186 Difference]: Start difference. First operand has 318 places, 293 transitions, 1010 flow. Second operand 13 states and 3239 transitions. [2021-12-07 00:42:51,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 323 transitions, 1215 flow [2021-12-07 00:42:51,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 323 transitions, 1169 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-12-07 00:42:51,065 INFO L242 Difference]: Finished difference. Result has 321 places, 298 transitions, 1032 flow [2021-12-07 00:42:51,065 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=968, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1032, PETRI_PLACES=321, PETRI_TRANSITIONS=298} [2021-12-07 00:42:51,065 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 72 predicate places. [2021-12-07 00:42:51,066 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 298 transitions, 1032 flow [2021-12-07 00:42:51,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-07 00:42:51,066 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:51,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:51,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-07 00:42:51,066 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:51,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1453476238, now seen corresponding path program 1 times [2021-12-07 00:42:51,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:51,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709543644] [2021-12-07 00:42:51,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:51,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:51,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:51,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709543644] [2021-12-07 00:42:51,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709543644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:51,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:51,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:42:51,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751087735] [2021-12-07 00:42:51,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:51,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-07 00:42:51,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:51,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:42:51,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:42:51,126 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-07 00:42:51,127 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 298 transitions, 1032 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-07 00:42:51,127 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:51,127 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-07 00:42:51,127 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:51,958 INFO L129 PetriNetUnfolder]: 512/5214 cut-off events. [2021-12-07 00:42:51,958 INFO L130 PetriNetUnfolder]: For 2949/3566 co-relation queries the response was YES. [2021-12-07 00:42:51,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10184 conditions, 5214 events. 512/5214 cut-off events. For 2949/3566 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 62279 event pairs, 294 based on Foata normal form. 40/4882 useless extension candidates. Maximal degree in co-relation 10141. Up to 652 conditions per place. [2021-12-07 00:42:52,006 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 48 selfloop transitions, 14 changer transitions 18/339 dead transitions. [2021-12-07 00:42:52,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 339 transitions, 1337 flow [2021-12-07 00:42:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-07 00:42:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-07 00:42:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4235 transitions. [2021-12-07 00:42:52,011 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8961066440964875 [2021-12-07 00:42:52,011 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4235 transitions. [2021-12-07 00:42:52,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4235 transitions. [2021-12-07 00:42:52,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:52,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4235 transitions. [2021-12-07 00:42:52,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 249.11764705882354) internal successors, (4235), 17 states have internal predecessors, (4235), 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) [2021-12-07 00:42:52,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 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) [2021-12-07 00:42:52,022 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 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) [2021-12-07 00:42:52,022 INFO L186 Difference]: Start difference. First operand has 321 places, 298 transitions, 1032 flow. Second operand 17 states and 4235 transitions. [2021-12-07 00:42:52,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 339 transitions, 1337 flow [2021-12-07 00:42:52,039 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 339 transitions, 1326 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-12-07 00:42:52,043 INFO L242 Difference]: Finished difference. Result has 338 places, 306 transitions, 1132 flow [2021-12-07 00:42:52,043 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1132, PETRI_PLACES=338, PETRI_TRANSITIONS=306} [2021-12-07 00:42:52,043 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 89 predicate places. [2021-12-07 00:42:52,043 INFO L470 AbstractCegarLoop]: Abstraction has has 338 places, 306 transitions, 1132 flow [2021-12-07 00:42:52,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-07 00:42:52,044 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:52,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:52,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-07 00:42:52,044 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:52,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:52,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1173385268, now seen corresponding path program 1 times [2021-12-07 00:42:52,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:52,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103220382] [2021-12-07 00:42:52,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:52,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:52,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:52,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103220382] [2021-12-07 00:42:52,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103220382] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:52,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:52,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 00:42:52,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923352375] [2021-12-07 00:42:52,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:52,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 00:42:52,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:52,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 00:42:52,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:42:52,123 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-12-07 00:42:52,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 306 transitions, 1132 flow. Second operand has 10 states, 10 states have (on average 243.4) internal successors, (2434), 10 states have internal predecessors, (2434), 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) [2021-12-07 00:42:52,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:52,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-12-07 00:42:52,125 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:42:53,135 INFO L129 PetriNetUnfolder]: 1080/6913 cut-off events. [2021-12-07 00:42:53,136 INFO L130 PetriNetUnfolder]: For 15370/17074 co-relation queries the response was YES. [2021-12-07 00:42:53,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16532 conditions, 6913 events. 1080/6913 cut-off events. For 15370/17074 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 84672 event pairs, 756 based on Foata normal form. 158/6515 useless extension candidates. Maximal degree in co-relation 16481. Up to 1519 conditions per place. [2021-12-07 00:42:53,195 INFO L132 encePairwiseOnDemand]: 264/278 looper letters, 59 selfloop transitions, 11 changer transitions 32/374 dead transitions. [2021-12-07 00:42:53,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 374 transitions, 1808 flow [2021-12-07 00:42:53,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 00:42:53,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-12-07 00:42:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3451 transitions. [2021-12-07 00:42:53,197 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8866906474820144 [2021-12-07 00:42:53,197 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3451 transitions. [2021-12-07 00:42:53,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3451 transitions. [2021-12-07 00:42:53,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:42:53,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3451 transitions. [2021-12-07 00:42:53,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 246.5) internal successors, (3451), 14 states have internal predecessors, (3451), 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) [2021-12-07 00:42:53,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 278.0) internal successors, (4170), 15 states have internal predecessors, (4170), 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) [2021-12-07 00:42:53,204 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 278.0) internal successors, (4170), 15 states have internal predecessors, (4170), 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) [2021-12-07 00:42:53,204 INFO L186 Difference]: Start difference. First operand has 338 places, 306 transitions, 1132 flow. Second operand 14 states and 3451 transitions. [2021-12-07 00:42:53,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 374 transitions, 1808 flow [2021-12-07 00:42:53,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 374 transitions, 1749 flow, removed 15 selfloop flow, removed 8 redundant places. [2021-12-07 00:42:53,242 INFO L242 Difference]: Finished difference. Result has 352 places, 314 transitions, 1180 flow [2021-12-07 00:42:53,243 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1095, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1180, PETRI_PLACES=352, PETRI_TRANSITIONS=314} [2021-12-07 00:42:53,243 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 103 predicate places. [2021-12-07 00:42:53,243 INFO L470 AbstractCegarLoop]: Abstraction has has 352 places, 314 transitions, 1180 flow [2021-12-07 00:42:53,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 243.4) internal successors, (2434), 10 states have internal predecessors, (2434), 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) [2021-12-07 00:42:53,243 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:42:53,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:42:53,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-07 00:42:53,244 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:42:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:42:53,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1773701766, now seen corresponding path program 1 times [2021-12-07 00:42:53,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:42:53,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48229105] [2021-12-07 00:42:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:42:53,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:42:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:42:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:42:53,636 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:42:53,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48229105] [2021-12-07 00:42:53,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48229105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:42:53,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:42:53,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-12-07 00:42:53,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197154163] [2021-12-07 00:42:53,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:42:53,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-07 00:42:53,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:42:53,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-07 00:42:53,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 00:42:53,643 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-12-07 00:42:53,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 314 transitions, 1180 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 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) [2021-12-07 00:42:53,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:42:53,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-12-07 00:42:53,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-07 00:43:47,714 INFO L129 PetriNetUnfolder]: 68479/144463 cut-off events. [2021-12-07 00:43:47,714 INFO L130 PetriNetUnfolder]: For 202589/203674 co-relation queries the response was YES. [2021-12-07 00:43:49,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383303 conditions, 144463 events. 68479/144463 cut-off events. For 202589/203674 co-relation queries the response was YES. Maximal size of possible extension queue 2394. Compared 1654553 event pairs, 31102 based on Foata normal form. 583/140946 useless extension candidates. Maximal degree in co-relation 383244. Up to 53406 conditions per place. [2021-12-07 00:43:50,178 INFO L132 encePairwiseOnDemand]: 230/278 looper letters, 1430 selfloop transitions, 293 changer transitions 827/2735 dead transitions. [2021-12-07 00:43:50,178 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 2735 transitions, 17094 flow [2021-12-07 00:43:50,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2021-12-07 00:43:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2021-12-07 00:43:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 68121 transitions. [2021-12-07 00:43:50,225 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6640638708545359 [2021-12-07 00:43:50,226 INFO L72 ComplementDD]: Start complementDD. Operand 369 states and 68121 transitions. [2021-12-07 00:43:50,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 369 states and 68121 transitions. [2021-12-07 00:43:50,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:43:50,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 369 states and 68121 transitions. [2021-12-07 00:43:50,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 370 states, 369 states have (on average 184.609756097561) internal successors, (68121), 369 states have internal predecessors, (68121), 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) [2021-12-07 00:43:50,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 370 states, 370 states have (on average 278.0) internal successors, (102860), 370 states have internal predecessors, (102860), 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) [2021-12-07 00:43:50,376 INFO L81 ComplementDD]: Finished complementDD. Result has 370 states, 370 states have (on average 278.0) internal successors, (102860), 370 states have internal predecessors, (102860), 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) [2021-12-07 00:43:50,376 INFO L186 Difference]: Start difference. First operand has 352 places, 314 transitions, 1180 flow. Second operand 369 states and 68121 transitions. [2021-12-07 00:43:50,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 2735 transitions, 17094 flow [2021-12-07 00:43:54,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 714 places, 2735 transitions, 17083 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-12-07 00:43:54,311 INFO L242 Difference]: Finished difference. Result has 1071 places, 631 transitions, 4954 flow [2021-12-07 00:43:54,312 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=369, PETRI_FLOW=4954, PETRI_PLACES=1071, PETRI_TRANSITIONS=631} [2021-12-07 00:43:54,312 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 822 predicate places. [2021-12-07 00:43:54,312 INFO L470 AbstractCegarLoop]: Abstraction has has 1071 places, 631 transitions, 4954 flow [2021-12-07 00:43:54,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 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) [2021-12-07 00:43:54,313 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-07 00:43:54,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:43:54,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-07 00:43:54,313 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-07 00:43:54,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:43:54,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1443601892, now seen corresponding path program 2 times [2021-12-07 00:43:54,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:43:54,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499585081] [2021-12-07 00:43:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:43:54,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:43:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:43:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:43:54,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:43:54,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499585081] [2021-12-07 00:43:54,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499585081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:43:54,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:43:54,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-12-07 00:43:54,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835216964] [2021-12-07 00:43:54,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:43:54,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-07 00:43:54,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:43:54,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-07 00:43:54,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-12-07 00:43:54,729 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-12-07 00:43:54,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1071 places, 631 transitions, 4954 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 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) [2021-12-07 00:43:54,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-07 00:43:54,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-12-07 00:43:54,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand