/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/indexer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 08:08:45,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 08:08:45,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 08:08:45,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 08:08:45,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 08:08:45,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 08:08:45,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 08:08:45,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 08:08:45,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 08:08:45,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 08:08:45,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 08:08:45,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 08:08:45,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 08:08:45,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 08:08:45,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 08:08:45,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 08:08:45,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 08:08:45,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 08:08:45,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 08:08:45,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 08:08:45,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 08:08:45,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 08:08:45,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 08:08:45,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 08:08:45,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-26 08:08:45,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-26 08:08:45,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-26 08:08:45,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-26 08:08:45,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-26 08:08:45,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-26 08:08:45,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 08:08:45,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 08:08:45,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 08:08:45,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 08:08:45,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 08:08:45,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 08:08:45,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 08:08:45,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 08:08:45,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 08:08:45,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 08:08:45,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 08:08:45,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 08:08:45,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 08:08:45,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 08:08:45,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 08:08:45,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 08:08:45,940 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 08:08:45,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 08:08:45,941 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 08:08:45,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 08:08:45,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 08:08:45,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 08:08:45,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 08:08:45,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 08:08:45,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 08:08:45,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 08:08:45,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 08:08:45,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 08:08:45,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 08:08:45,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 08:08:45,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 08:08:45,943 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 08:08:45,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 08:08:45,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 08:08:45,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 08:08:45,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 08:08:45,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 08:08:45,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 08:08:45,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 08:08:45,945 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 08:08:45,945 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 08:08:45,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 08:08:45,945 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 08:08:46,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 08:08:46,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 08:08:46,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 08:08:46,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 08:08:46,262 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 08:08:46,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/indexer.i [2021-03-26 08:08:46,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08d18d2d3/7adf021cf8ee40769df24a7974abe0dd/FLAG5968f0276 [2021-03-26 08:08:46,818 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 08:08:46,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/indexer.i [2021-03-26 08:08:46,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08d18d2d3/7adf021cf8ee40769df24a7974abe0dd/FLAG5968f0276 [2021-03-26 08:08:47,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08d18d2d3/7adf021cf8ee40769df24a7974abe0dd [2021-03-26 08:08:47,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 08:08:47,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 08:08:47,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 08:08:47,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 08:08:47,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 08:08:47,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9cf311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47, skipping insertion in model container [2021-03-26 08:08:47,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 08:08:47,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 08:08:47,514 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/indexer.i[47556,47569] [2021-03-26 08:08:47,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 08:08:47,562 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 08:08:47,601 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/indexer.i[47556,47569] [2021-03-26 08:08:47,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 08:08:47,712 INFO L208 MainTranslator]: Completed translation [2021-03-26 08:08:47,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47 WrapperNode [2021-03-26 08:08:47,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 08:08:47,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 08:08:47,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 08:08:47,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 08:08:47,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 08:08:47,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 08:08:47,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 08:08:47,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 08:08:47,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... [2021-03-26 08:08:47,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 08:08:47,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 08:08:47,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 08:08:47,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 08:08:47,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 08:08:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 08:08:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 08:08:47,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 08:08:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread_routine [2021-03-26 08:08:47,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_routine [2021-03-26 08:08:47,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 08:08:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-26 08:08:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 08:08:47,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 08:08:47,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 08:08:47,872 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 08:08:48,355 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 08:08:48,356 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-03-26 08:08:48,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 08:08:48 BoogieIcfgContainer [2021-03-26 08:08:48,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 08:08:48,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 08:08:48,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 08:08:48,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 08:08:48,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 08:08:47" (1/3) ... [2021-03-26 08:08:48,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a60d858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 08:08:48, skipping insertion in model container [2021-03-26 08:08:48,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 08:08:47" (2/3) ... [2021-03-26 08:08:48,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a60d858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 08:08:48, skipping insertion in model container [2021-03-26 08:08:48,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 08:08:48" (3/3) ... [2021-03-26 08:08:48,366 INFO L111 eAbstractionObserver]: Analyzing ICFG indexer.i [2021-03-26 08:08:48,371 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 08:08:48,376 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 08:08:48,376 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 08:08:48,423 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,423 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,423 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,423 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,423 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,424 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,425 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,426 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,427 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,427 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,427 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,427 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,427 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,427 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,431 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,431 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,432 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,433 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,434 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,435 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,436 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,437 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,438 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,439 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,440 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,441 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,442 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,443 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,444 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,445 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,446 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,447 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,447 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,447 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,447 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,447 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,447 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,453 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,453 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,453 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,453 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,454 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,454 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,456 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,456 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~w~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,456 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~new_val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,459 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~pre8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,459 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,460 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~h~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,460 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~h not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,460 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,460 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~ret_val~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,460 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,460 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~val not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~tab.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~m~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,461 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~h| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,462 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~tid~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,462 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,462 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_cas_#in~new_val| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,462 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_cas_~tab.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,462 WARN L313 ript$VariableManager]: TermVariabe thread_routineThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,462 WARN L313 ript$VariableManager]: TermVariabe |thread_routineThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 08:08:48,467 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-26 08:08:48,483 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-26 08:08:48,512 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 08:08:48,512 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 08:08:48,512 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 08:08:48,512 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 08:08:48,512 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 08:08:48,512 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 08:08:48,512 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 08:08:48,513 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 08:08:48,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 110 transitions, 228 flow [2021-03-26 08:08:48,574 INFO L129 PetriNetUnfolder]: 18/131 cut-off events. [2021-03-26 08:08:48,574 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2021-03-26 08:08:48,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 131 events. 18/131 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 209 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 77. Up to 4 conditions per place. [2021-03-26 08:08:48,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 110 transitions, 228 flow [2021-03-26 08:08:48,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 105 transitions, 215 flow [2021-03-26 08:08:48,585 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:48,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 105 transitions, 215 flow [2021-03-26 08:08:48,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 105 transitions, 215 flow [2021-03-26 08:08:48,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 105 transitions, 215 flow [2021-03-26 08:08:48,618 INFO L129 PetriNetUnfolder]: 17/126 cut-off events. [2021-03-26 08:08:48,618 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 08:08:48,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 126 events. 17/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 183 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 77. Up to 4 conditions per place. [2021-03-26 08:08:48,623 INFO L142 LiptonReduction]: Number of co-enabled transitions 2704 [2021-03-26 08:08:49,768 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2021-03-26 08:08:50,185 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-03-26 08:08:50,397 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-03-26 08:08:50,619 INFO L154 LiptonReduction]: Checked pairs total: 1121 [2021-03-26 08:08:50,619 INFO L156 LiptonReduction]: Total number of compositions: 58 [2021-03-26 08:08:50,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2037 [2021-03-26 08:08:50,633 INFO L129 PetriNetUnfolder]: 6/39 cut-off events. [2021-03-26 08:08:50,633 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 08:08:50,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:50,634 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:50,634 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:50,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:50,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1672841405, now seen corresponding path program 1 times [2021-03-26 08:08:50,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:50,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219404800] [2021-03-26 08:08:50,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:50,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:50,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:50,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:50,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:50,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:50,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 08:08:50,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219404800] [2021-03-26 08:08:50,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 08:08:50,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 08:08:50,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52734169] [2021-03-26 08:08:50,794 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 08:08:50,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:50,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 08:08:50,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 08:08:50,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 168 [2021-03-26 08:08:50,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 57 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:50,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:50,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 168 [2021-03-26 08:08:50,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:50,859 INFO L129 PetriNetUnfolder]: 4/54 cut-off events. [2021-03-26 08:08:50,859 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 08:08:50,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 54 events. 4/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 7/55 useless extension candidates. Maximal degree in co-relation 44. Up to 10 conditions per place. [2021-03-26 08:08:50,862 INFO L132 encePairwiseOnDemand]: 159/168 looper letters, 13 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2021-03-26 08:08:50,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 54 transitions, 149 flow [2021-03-26 08:08:50,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 08:08:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 08:08:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 353 transitions. [2021-03-26 08:08:50,879 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7003968253968254 [2021-03-26 08:08:50,880 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 353 transitions. [2021-03-26 08:08:50,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 353 transitions. [2021-03-26 08:08:50,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:50,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 353 transitions. [2021-03-26 08:08:50,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:50,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:50,904 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 168.0) internal successors, (672), 4 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:50,906 INFO L185 Difference]: Start difference. First operand has 52 places, 57 transitions, 119 flow. Second operand 3 states and 353 transitions. [2021-03-26 08:08:50,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 54 transitions, 149 flow [2021-03-26 08:08:50,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 54 transitions, 149 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 08:08:50,910 INFO L241 Difference]: Finished difference. Result has 50 places, 49 transitions, 120 flow [2021-03-26 08:08:50,918 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2021-03-26 08:08:50,919 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2021-03-26 08:08:50,919 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:50,919 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 49 transitions, 120 flow [2021-03-26 08:08:50,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 49 transitions, 120 flow [2021-03-26 08:08:50,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 49 transitions, 120 flow [2021-03-26 08:08:50,930 INFO L129 PetriNetUnfolder]: 4/54 cut-off events. [2021-03-26 08:08:50,931 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 08:08:50,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 54 events. 4/54 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 0/50 useless extension candidates. Maximal degree in co-relation 41. Up to 4 conditions per place. [2021-03-26 08:08:50,932 INFO L142 LiptonReduction]: Number of co-enabled transitions 448 [2021-03-26 08:08:51,344 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-03-26 08:08:51,606 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-03-26 08:08:51,907 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-26 08:08:52,043 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-26 08:08:52,299 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-26 08:08:52,403 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-03-26 08:08:53,376 INFO L154 LiptonReduction]: Checked pairs total: 139 [2021-03-26 08:08:53,376 INFO L156 LiptonReduction]: Total number of compositions: 22 [2021-03-26 08:08:53,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2457 [2021-03-26 08:08:53,377 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 39 transitions, 100 flow [2021-03-26 08:08:53,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:53,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:53,378 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:53,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 08:08:53,378 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:53,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:53,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1425280712, now seen corresponding path program 1 times [2021-03-26 08:08:53,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:53,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272271382] [2021-03-26 08:08:53,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:53,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 08:08:53,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272271382] [2021-03-26 08:08:53,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020631498] [2021-03-26 08:08:53,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:53,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-26 08:08:53,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:53,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:53,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:53,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:53,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:53,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:53,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:53,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:53,650 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:53,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:53,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 08:08:53,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:53,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-26 08:08:53,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020793318] [2021-03-26 08:08:53,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 08:08:53,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:53,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 08:08:53,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-26 08:08:53,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 190 [2021-03-26 08:08:53,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 39 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:53,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:53,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 190 [2021-03-26 08:08:53,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:53,775 INFO L129 PetriNetUnfolder]: 3/46 cut-off events. [2021-03-26 08:08:53,775 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 08:08:53,775 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 46 events. 3/46 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 36. Up to 7 conditions per place. [2021-03-26 08:08:53,776 INFO L132 encePairwiseOnDemand]: 185/190 looper letters, 13 selfloop transitions, 5 changer transitions 0/46 dead transitions. [2021-03-26 08:08:53,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 46 transitions, 149 flow [2021-03-26 08:08:53,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 08:08:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 08:08:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 532 transitions. [2021-03-26 08:08:53,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7 [2021-03-26 08:08:53,778 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 532 transitions. [2021-03-26 08:08:53,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 532 transitions. [2021-03-26 08:08:53,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:53,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 532 transitions. [2021-03-26 08:08:53,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:53,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:53,782 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:53,783 INFO L185 Difference]: Start difference. First operand has 41 places, 39 transitions, 100 flow. Second operand 4 states and 532 transitions. [2021-03-26 08:08:53,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 46 transitions, 149 flow [2021-03-26 08:08:53,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 46 transitions, 145 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 08:08:53,784 INFO L241 Difference]: Finished difference. Result has 43 places, 39 transitions, 110 flow [2021-03-26 08:08:53,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=43, PETRI_TRANSITIONS=39} [2021-03-26 08:08:53,785 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -9 predicate places. [2021-03-26 08:08:53,785 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:53,785 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 39 transitions, 110 flow [2021-03-26 08:08:53,785 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 39 transitions, 110 flow [2021-03-26 08:08:53,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 39 transitions, 110 flow [2021-03-26 08:08:53,790 INFO L129 PetriNetUnfolder]: 3/46 cut-off events. [2021-03-26 08:08:53,790 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 08:08:53,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 46 events. 3/46 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 37. Up to 5 conditions per place. [2021-03-26 08:08:53,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 260 [2021-03-26 08:08:53,939 INFO L154 LiptonReduction]: Checked pairs total: 91 [2021-03-26 08:08:53,940 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 08:08:53,940 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155 [2021-03-26 08:08:53,945 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 38 transitions, 108 flow [2021-03-26 08:08:53,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:53,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:53,952 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-03-26 08:08:54,167 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-03-26 08:08:54,168 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:54,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1214052922, now seen corresponding path program 1 times [2021-03-26 08:08:54,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:54,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696390416] [2021-03-26 08:08:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:54,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 08:08:54,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696390416] [2021-03-26 08:08:54,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144923886] [2021-03-26 08:08:54,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:54,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 08:08:54,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:54,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:54,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:54,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:54,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:54,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:54,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:54,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:54,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:54,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:54,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:54,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:54,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:54,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,343 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,345 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-26 08:08:54,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:54,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-26 08:08:54,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769469549] [2021-03-26 08:08:54,383 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:08:54,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:54,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:08:54,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:08:54,385 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 195 [2021-03-26 08:08:54,386 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 108 flow. Second operand has 6 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 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) [2021-03-26 08:08:54,386 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:54,386 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 195 [2021-03-26 08:08:54,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:54,431 INFO L129 PetriNetUnfolder]: 3/46 cut-off events. [2021-03-26 08:08:54,432 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 08:08:54,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 46 events. 3/46 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 47. Up to 7 conditions per place. [2021-03-26 08:08:54,433 INFO L132 encePairwiseOnDemand]: 190/195 looper letters, 11 selfloop transitions, 6 changer transitions 2/46 dead transitions. [2021-03-26 08:08:54,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 46 transitions, 166 flow [2021-03-26 08:08:54,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 08:08:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 08:08:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 665 transitions. [2021-03-26 08:08:54,435 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6820512820512821 [2021-03-26 08:08:54,435 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 665 transitions. [2021-03-26 08:08:54,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 665 transitions. [2021-03-26 08:08:54,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:54,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 665 transitions. [2021-03-26 08:08:54,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:54,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:54,439 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:54,439 INFO L185 Difference]: Start difference. First operand has 42 places, 38 transitions, 108 flow. Second operand 5 states and 665 transitions. [2021-03-26 08:08:54,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 46 transitions, 166 flow [2021-03-26 08:08:54,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 160 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 08:08:54,442 INFO L241 Difference]: Finished difference. Result has 46 places, 39 transitions, 124 flow [2021-03-26 08:08:54,442 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=124, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2021-03-26 08:08:54,442 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -6 predicate places. [2021-03-26 08:08:54,442 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:54,442 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 39 transitions, 124 flow [2021-03-26 08:08:54,442 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 39 transitions, 124 flow [2021-03-26 08:08:54,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 39 transitions, 124 flow [2021-03-26 08:08:54,451 INFO L129 PetriNetUnfolder]: 3/46 cut-off events. [2021-03-26 08:08:54,451 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 08:08:54,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 46 events. 3/46 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 43. Up to 5 conditions per place. [2021-03-26 08:08:54,454 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:54,670 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:54,670 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 08:08:54,670 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 08:08:54,671 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 37 transitions, 120 flow [2021-03-26 08:08:54,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 131.66666666666666) internal successors, (790), 6 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) [2021-03-26 08:08:54,672 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:54,672 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:54,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:54,880 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:54,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:54,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1950766852, now seen corresponding path program 1 times [2021-03-26 08:08:54,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:54,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811518595] [2021-03-26 08:08:54,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:54,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:54,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:54,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:54,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811518595] [2021-03-26 08:08:54,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655327086] [2021-03-26 08:08:54,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:55,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 08:08:55,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:55,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,033 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,052 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,072 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:55,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:55,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:55,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 08:08:55,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700605449] [2021-03-26 08:08:55,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 08:08:55,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:55,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 08:08:55,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-26 08:08:55,105 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 199 [2021-03-26 08:08:55,106 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 120 flow. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,106 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:55,106 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 199 [2021-03-26 08:08:55,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:55,151 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:55,152 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:55,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 56. Up to 6 conditions per place. [2021-03-26 08:08:55,153 INFO L132 encePairwiseOnDemand]: 193/199 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:55,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 47 transitions, 186 flow [2021-03-26 08:08:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 08:08:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 08:08:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions. [2021-03-26 08:08:55,155 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6658291457286433 [2021-03-26 08:08:55,155 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions. [2021-03-26 08:08:55,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions. [2021-03-26 08:08:55,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:55,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions. [2021-03-26 08:08:55,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.5) internal successors, (795), 6 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) [2021-03-26 08:08:55,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,160 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 199.0) internal successors, (1393), 7 states have internal predecessors, (1393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,160 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 120 flow. Second operand 6 states and 795 transitions. [2021-03-26 08:08:55,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 47 transitions, 186 flow [2021-03-26 08:08:55,161 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 172 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-26 08:08:55,162 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 132 flow [2021-03-26 08:08:55,162 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=132, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-26 08:08:55,163 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2021-03-26 08:08:55,163 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:55,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 38 transitions, 132 flow [2021-03-26 08:08:55,163 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 38 transitions, 132 flow [2021-03-26 08:08:55,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 132 flow [2021-03-26 08:08:55,168 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:55,168 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-26 08:08:55,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 47 events. 3/47 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 41. Up to 6 conditions per place. [2021-03-26 08:08:55,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:55,323 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:55,323 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:55,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-03-26 08:08:55,324 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 134 flow [2021-03-26 08:08:55,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:55,325 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:55,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:55,540 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:55,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:55,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1864951723, now seen corresponding path program 1 times [2021-03-26 08:08:55,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:55,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643220244] [2021-03-26 08:08:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:55,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:55,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643220244] [2021-03-26 08:08:55,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929440333] [2021-03-26 08:08:55,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:55,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:08:55,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:55,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:55,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:55,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:55,757 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:55,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:55,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:55,766 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:55,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:55,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:08:55,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68328706] [2021-03-26 08:08:55,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:08:55,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:55,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:08:55,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:08:55,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 202 [2021-03-26 08:08:55,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 134 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,771 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:55,771 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 202 [2021-03-26 08:08:55,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:55,807 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:55,807 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-03-26 08:08:55,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 47 events. 3/47 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:08:55,807 INFO L132 encePairwiseOnDemand]: 196/202 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:55,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 194 flow [2021-03-26 08:08:55,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:08:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:08:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:08:55,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6534653465346535 [2021-03-26 08:08:55,810 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:08:55,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:08:55,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:55,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:08:55,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 202.0) internal successors, (1616), 8 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,815 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 202.0) internal successors, (1616), 8 states have internal predecessors, (1616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:55,815 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 134 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:08:55,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 194 flow [2021-03-26 08:08:55,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 47 transitions, 172 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:08:55,820 INFO L241 Difference]: Finished difference. Result has 50 places, 38 transitions, 132 flow [2021-03-26 08:08:55,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=202, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=132, PETRI_PLACES=50, PETRI_TRANSITIONS=38} [2021-03-26 08:08:55,820 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2021-03-26 08:08:55,820 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:55,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 38 transitions, 132 flow [2021-03-26 08:08:55,821 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 38 transitions, 132 flow [2021-03-26 08:08:55,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 38 transitions, 132 flow [2021-03-26 08:08:55,841 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:55,841 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:55,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 42. Up to 6 conditions per place. [2021-03-26 08:08:55,842 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:56,006 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:56,006 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:56,006 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-26 08:08:56,007 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 126 flow [2021-03-26 08:08:56,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:56,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:56,007 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:56,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:56,227 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:56,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:56,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1483545198, now seen corresponding path program 1 times [2021-03-26 08:08:56,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:56,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038503163] [2021-03-26 08:08:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:56,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:56,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038503163] [2021-03-26 08:08:56,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474075201] [2021-03-26 08:08:56,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:56,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:08:56,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:56,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,398 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:56,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:56,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:56,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,445 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:56,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:56,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:56,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:08:56,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206349125] [2021-03-26 08:08:56,457 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:08:56,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:56,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:08:56,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:08:56,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 205 [2021-03-26 08:08:56,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 126 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:56,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:56,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 205 [2021-03-26 08:08:56,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:56,499 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:56,499 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:08:56,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:08:56,499 INFO L132 encePairwiseOnDemand]: 199/205 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:56,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 47 transitions, 194 flow [2021-03-26 08:08:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:08:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:08:56,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:08:56,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6439024390243903 [2021-03-26 08:08:56,504 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:08:56,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:08:56,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:56,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:08:56,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:56,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 205.0) internal successors, (1640), 8 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:56,514 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 205.0) internal successors, (1640), 8 states have internal predecessors, (1640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:56,514 INFO L185 Difference]: Start difference. First operand has 48 places, 37 transitions, 126 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:08:56,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 47 transitions, 194 flow [2021-03-26 08:08:56,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 47 transitions, 173 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:08:56,517 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 133 flow [2021-03-26 08:08:56,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=205, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=133, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-03-26 08:08:56,517 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, -1 predicate places. [2021-03-26 08:08:56,517 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:56,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 38 transitions, 133 flow [2021-03-26 08:08:56,518 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 38 transitions, 133 flow [2021-03-26 08:08:56,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 38 transitions, 133 flow [2021-03-26 08:08:56,525 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:56,525 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:56,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 43. Up to 6 conditions per place. [2021-03-26 08:08:56,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:56,702 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:56,702 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:56,702 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-26 08:08:56,702 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 37 transitions, 127 flow [2021-03-26 08:08:56,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:56,703 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:56,703 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:56,903 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-26 08:08:56,904 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:56,904 INFO L82 PathProgramCache]: Analyzing trace with hash 920095827, now seen corresponding path program 1 times [2021-03-26 08:08:56,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:56,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563633658] [2021-03-26 08:08:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:56,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:56,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:56,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:56,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563633658] [2021-03-26 08:08:56,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363103456] [2021-03-26 08:08:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:57,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:08:57,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,038 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,041 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,046 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,082 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:57,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:57,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:08:57,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342633620] [2021-03-26 08:08:57,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:08:57,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:57,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:08:57,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:08:57,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 208 [2021-03-26 08:08:57,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 127 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:57,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 208 [2021-03-26 08:08:57,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:57,128 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:57,128 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:08:57,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:08:57,129 INFO L132 encePairwiseOnDemand]: 202/208 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:57,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 47 transitions, 195 flow [2021-03-26 08:08:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:08:57,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:08:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:08:57,132 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6346153846153846 [2021-03-26 08:08:57,132 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:08:57,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:08:57,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:57,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:08:57,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,140 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,140 INFO L185 Difference]: Start difference. First operand has 49 places, 37 transitions, 127 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:08:57,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 47 transitions, 195 flow [2021-03-26 08:08:57,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 47 transitions, 174 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:08:57,145 INFO L241 Difference]: Finished difference. Result has 52 places, 38 transitions, 134 flow [2021-03-26 08:08:57,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=134, PETRI_PLACES=52, PETRI_TRANSITIONS=38} [2021-03-26 08:08:57,145 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places. [2021-03-26 08:08:57,145 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:57,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 38 transitions, 134 flow [2021-03-26 08:08:57,145 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 38 transitions, 134 flow [2021-03-26 08:08:57,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 38 transitions, 134 flow [2021-03-26 08:08:57,149 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:57,149 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:57,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 44. Up to 6 conditions per place. [2021-03-26 08:08:57,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:57,373 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:57,373 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:57,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 228 [2021-03-26 08:08:57,374 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 37 transitions, 128 flow [2021-03-26 08:08:57,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,374 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:57,374 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:57,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:57,577 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:57,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:57,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1476789069, now seen corresponding path program 1 times [2021-03-26 08:08:57,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:57,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536455169] [2021-03-26 08:08:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:57,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536455169] [2021-03-26 08:08:57,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794530439] [2021-03-26 08:08:57,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:57,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:08:57,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:57,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:57,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:57,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:57,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:57,753 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:57,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:57,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:57,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:57,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:57,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:08:57,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637156834] [2021-03-26 08:08:57,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:08:57,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:57,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:08:57,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:08:57,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 211 [2021-03-26 08:08:57,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 37 transitions, 128 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:57,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 211 [2021-03-26 08:08:57,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:57,798 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:57,798 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:08:57,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:08:57,799 INFO L132 encePairwiseOnDemand]: 205/211 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:57,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 47 transitions, 196 flow [2021-03-26 08:08:57,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:08:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:08:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:08:57,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6255924170616114 [2021-03-26 08:08:57,801 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:08:57,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:08:57,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:57,802 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:08:57,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,806 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 211.0) internal successors, (1688), 8 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,807 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 211.0) internal successors, (1688), 8 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:57,807 INFO L185 Difference]: Start difference. First operand has 50 places, 37 transitions, 128 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:08:57,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 47 transitions, 196 flow [2021-03-26 08:08:57,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 47 transitions, 175 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:08:57,809 INFO L241 Difference]: Finished difference. Result has 53 places, 38 transitions, 135 flow [2021-03-26 08:08:57,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=135, PETRI_PLACES=53, PETRI_TRANSITIONS=38} [2021-03-26 08:08:57,809 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 1 predicate places. [2021-03-26 08:08:57,809 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:57,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 38 transitions, 135 flow [2021-03-26 08:08:57,809 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 38 transitions, 135 flow [2021-03-26 08:08:57,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 38 transitions, 135 flow [2021-03-26 08:08:57,814 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:57,814 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:57,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 45. Up to 6 conditions per place. [2021-03-26 08:08:57,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:58,107 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:58,107 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:58,107 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 08:08:58,108 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 129 flow [2021-03-26 08:08:58,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:58,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:58,108 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:58,327 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:58,328 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:58,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:58,328 INFO L82 PathProgramCache]: Analyzing trace with hash 421293331, now seen corresponding path program 1 times [2021-03-26 08:08:58,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:58,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716119951] [2021-03-26 08:08:58,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:58,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:58,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716119951] [2021-03-26 08:08:58,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770843106] [2021-03-26 08:08:58,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:58,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:08:58,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:58,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,470 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:58,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:58,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:58,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:58,475 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:58,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:58,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:08:58,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797456264] [2021-03-26 08:08:58,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:08:58,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:58,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:08:58,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:08:58,484 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 214 [2021-03-26 08:08:58,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 129 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:58,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:58,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 214 [2021-03-26 08:08:58,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:58,555 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:58,555 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:08:58,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:08:58,557 INFO L132 encePairwiseOnDemand]: 208/214 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:58,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 47 transitions, 197 flow [2021-03-26 08:08:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:08:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:08:58,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:08:58,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.616822429906542 [2021-03-26 08:08:58,560 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:08:58,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:08:58,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:58,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:08:58,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:58,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 214.0) internal successors, (1712), 8 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:58,565 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 214.0) internal successors, (1712), 8 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:58,565 INFO L185 Difference]: Start difference. First operand has 51 places, 37 transitions, 129 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:08:58,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 47 transitions, 197 flow [2021-03-26 08:08:58,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 47 transitions, 176 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:08:58,567 INFO L241 Difference]: Finished difference. Result has 54 places, 38 transitions, 136 flow [2021-03-26 08:08:58,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=136, PETRI_PLACES=54, PETRI_TRANSITIONS=38} [2021-03-26 08:08:58,567 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2021-03-26 08:08:58,568 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:58,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 38 transitions, 136 flow [2021-03-26 08:08:58,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 38 transitions, 136 flow [2021-03-26 08:08:58,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 38 transitions, 136 flow [2021-03-26 08:08:58,571 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:58,572 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:58,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2021-03-26 08:08:58,572 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:58,739 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-03-26 08:08:58,924 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:58,924 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:58,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 357 [2021-03-26 08:08:58,925 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 37 transitions, 130 flow [2021-03-26 08:08:58,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:58,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:58,926 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:08:59,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-26 08:08:59,127 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:08:59,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:08:59,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1975591565, now seen corresponding path program 1 times [2021-03-26 08:08:59,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:08:59,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944103919] [2021-03-26 08:08:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:08:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:59,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:59,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944103919] [2021-03-26 08:08:59,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180280036] [2021-03-26 08:08:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:08:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:08:59,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:08:59,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:08:59,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,252 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,288 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:08:59,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:08:59,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:08:59,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:08:59,293 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:08:59,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:08:59,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:08:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:08:59,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:08:59,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:08:59,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767649059] [2021-03-26 08:08:59,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:08:59,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:08:59,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:08:59,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:08:59,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 217 [2021-03-26 08:08:59,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 37 transitions, 130 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:59,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:08:59,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 217 [2021-03-26 08:08:59,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:08:59,356 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:59,356 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:08:59,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:08:59,357 INFO L132 encePairwiseOnDemand]: 211/217 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:08:59,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 47 transitions, 198 flow [2021-03-26 08:08:59,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:08:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:08:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:08:59,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6082949308755761 [2021-03-26 08:08:59,360 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:08:59,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:08:59,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:08:59,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:08:59,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:59,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 217.0) internal successors, (1736), 8 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:59,365 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 217.0) internal successors, (1736), 8 states have internal predecessors, (1736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:59,365 INFO L185 Difference]: Start difference. First operand has 52 places, 37 transitions, 130 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:08:59,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 47 transitions, 198 flow [2021-03-26 08:08:59,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 47 transitions, 177 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:08:59,366 INFO L241 Difference]: Finished difference. Result has 55 places, 38 transitions, 137 flow [2021-03-26 08:08:59,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=137, PETRI_PLACES=55, PETRI_TRANSITIONS=38} [2021-03-26 08:08:59,368 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 3 predicate places. [2021-03-26 08:08:59,369 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:08:59,369 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 38 transitions, 137 flow [2021-03-26 08:08:59,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 38 transitions, 137 flow [2021-03-26 08:08:59,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 38 transitions, 137 flow [2021-03-26 08:08:59,374 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:08:59,374 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:08:59,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 47. Up to 6 conditions per place. [2021-03-26 08:08:59,374 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:08:59,547 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-03-26 08:08:59,764 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-03-26 08:08:59,897 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:08:59,897 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:08:59,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 529 [2021-03-26 08:08:59,898 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 37 transitions, 131 flow [2021-03-26 08:08:59,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:08:59,899 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:08:59,899 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:00,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:00,104 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:00,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:00,104 INFO L82 PathProgramCache]: Analyzing trace with hash -583067790, now seen corresponding path program 1 times [2021-03-26 08:09:00,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:00,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458124681] [2021-03-26 08:09:00,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:00,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:00,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458124681] [2021-03-26 08:09:00,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629720152] [2021-03-26 08:09:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:00,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:00,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:00,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:00,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:00,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:00,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:00,252 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:00,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:00,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:00,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:00,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:00,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187108937] [2021-03-26 08:09:00,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:00,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:00,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:00,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:00,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 220 [2021-03-26 08:09:00,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 37 transitions, 131 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:00,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:00,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 220 [2021-03-26 08:09:00,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:00,312 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:00,313 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:00,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:00,313 INFO L132 encePairwiseOnDemand]: 214/220 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:00,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 47 transitions, 199 flow [2021-03-26 08:09:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:00,316 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6 [2021-03-26 08:09:00,316 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:00,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:00,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:00,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:00,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:00,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:00,321 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:00,321 INFO L185 Difference]: Start difference. First operand has 53 places, 37 transitions, 131 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:00,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 47 transitions, 199 flow [2021-03-26 08:09:00,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 47 transitions, 178 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:00,323 INFO L241 Difference]: Finished difference. Result has 56 places, 38 transitions, 138 flow [2021-03-26 08:09:00,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=138, PETRI_PLACES=56, PETRI_TRANSITIONS=38} [2021-03-26 08:09:00,323 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 4 predicate places. [2021-03-26 08:09:00,323 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:00,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 38 transitions, 138 flow [2021-03-26 08:09:00,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 38 transitions, 138 flow [2021-03-26 08:09:00,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 38 transitions, 138 flow [2021-03-26 08:09:00,327 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:00,327 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:00,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2021-03-26 08:09:00,328 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:00,536 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-03-26 08:09:00,819 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-03-26 08:09:00,973 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:00,974 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:00,974 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 651 [2021-03-26 08:09:00,974 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 37 transitions, 132 flow [2021-03-26 08:09:00,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:00,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:00,975 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:01,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:01,180 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:01,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:01,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1820573235, now seen corresponding path program 1 times [2021-03-26 08:09:01,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:01,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147763319] [2021-03-26 08:09:01,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:01,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:01,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147763319] [2021-03-26 08:09:01,224 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873874606] [2021-03-26 08:09:01,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:01,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:01,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:01,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:01,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:01,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:01,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:01,315 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:01,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:01,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:01,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:01,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:01,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734551834] [2021-03-26 08:09:01,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:01,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:01,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:01,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:01,327 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 223 [2021-03-26 08:09:01,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 37 transitions, 132 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:01,328 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:01,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 223 [2021-03-26 08:09:01,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:01,379 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:01,379 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:01,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:01,380 INFO L132 encePairwiseOnDemand]: 217/223 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:01,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 47 transitions, 200 flow [2021-03-26 08:09:01,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:01,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:01,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5919282511210763 [2021-03-26 08:09:01,383 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:01,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:01,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:01,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:01,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:01,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 223.0) internal successors, (1784), 8 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:01,387 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 223.0) internal successors, (1784), 8 states have internal predecessors, (1784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:01,387 INFO L185 Difference]: Start difference. First operand has 54 places, 37 transitions, 132 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:01,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 47 transitions, 200 flow [2021-03-26 08:09:01,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 47 transitions, 179 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:01,389 INFO L241 Difference]: Finished difference. Result has 57 places, 38 transitions, 139 flow [2021-03-26 08:09:01,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=223, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=139, PETRI_PLACES=57, PETRI_TRANSITIONS=38} [2021-03-26 08:09:01,389 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 5 predicate places. [2021-03-26 08:09:01,389 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:01,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 38 transitions, 139 flow [2021-03-26 08:09:01,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 38 transitions, 139 flow [2021-03-26 08:09:01,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 38 transitions, 139 flow [2021-03-26 08:09:01,393 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:01,393 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:01,393 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 49. Up to 6 conditions per place. [2021-03-26 08:09:01,393 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:01,719 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-03-26 08:09:01,843 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-03-26 08:09:02,200 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2021-03-26 08:09:02,381 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:02,381 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:02,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 992 [2021-03-26 08:09:02,381 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 37 transitions, 133 flow [2021-03-26 08:09:02,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:02,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:02,382 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:02,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-26 08:09:02,596 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:02,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:02,596 INFO L82 PathProgramCache]: Analyzing trace with hash -576311661, now seen corresponding path program 1 times [2021-03-26 08:09:02,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:02,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857854094] [2021-03-26 08:09:02,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:02,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:02,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857854094] [2021-03-26 08:09:02,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766788261] [2021-03-26 08:09:02,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:02,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:02,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:02,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,719 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:02,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:02,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:02,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:02,770 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:02,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:02,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:02,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:02,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:02,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852905631] [2021-03-26 08:09:02,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:02,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:02,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:02,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:02,782 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 226 [2021-03-26 08:09:02,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 37 transitions, 133 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:02,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:02,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 226 [2021-03-26 08:09:02,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:02,860 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:02,860 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:02,861 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:02,861 INFO L132 encePairwiseOnDemand]: 220/226 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:02,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 47 transitions, 201 flow [2021-03-26 08:09:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:02,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:02,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:02,864 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.584070796460177 [2021-03-26 08:09:02,864 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:02,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:02,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:02,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:02,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:02,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 226.0) internal successors, (1808), 8 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:02,869 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 226.0) internal successors, (1808), 8 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:02,869 INFO L185 Difference]: Start difference. First operand has 55 places, 37 transitions, 133 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:02,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 47 transitions, 201 flow [2021-03-26 08:09:02,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 47 transitions, 180 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:02,870 INFO L241 Difference]: Finished difference. Result has 58 places, 38 transitions, 140 flow [2021-03-26 08:09:02,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=226, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=140, PETRI_PLACES=58, PETRI_TRANSITIONS=38} [2021-03-26 08:09:02,870 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 6 predicate places. [2021-03-26 08:09:02,870 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:02,871 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 38 transitions, 140 flow [2021-03-26 08:09:02,871 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 38 transitions, 140 flow [2021-03-26 08:09:02,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 38 transitions, 140 flow [2021-03-26 08:09:02,874 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:02,874 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:02,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 50. Up to 6 conditions per place. [2021-03-26 08:09:02,874 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:03,389 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-03-26 08:09:03,522 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-03-26 08:09:03,948 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-03-26 08:09:04,102 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-03-26 08:09:04,177 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:04,177 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:04,177 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1307 [2021-03-26 08:09:04,178 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 37 transitions, 134 flow [2021-03-26 08:09:04,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:04,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:04,179 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:04,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-26 08:09:04,401 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:04,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:04,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1321770739, now seen corresponding path program 1 times [2021-03-26 08:09:04,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:04,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984353471] [2021-03-26 08:09:04,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:04,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:04,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984353471] [2021-03-26 08:09:04,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849919442] [2021-03-26 08:09:04,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:04,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:04,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:04,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:04,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:04,566 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:04,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:04,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:04,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476531461] [2021-03-26 08:09:04,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:04,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:04,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:04,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:04,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 229 [2021-03-26 08:09:04,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 37 transitions, 134 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:04,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:04,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 229 [2021-03-26 08:09:04,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:04,659 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:04,659 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:04,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:04,660 INFO L132 encePairwiseOnDemand]: 223/229 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:04,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 47 transitions, 202 flow [2021-03-26 08:09:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:04,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:04,663 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5764192139737991 [2021-03-26 08:09:04,663 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:04,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:04,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:04,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:04,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:04,667 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 229.0) internal successors, (1832), 8 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:04,667 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 229.0) internal successors, (1832), 8 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:04,667 INFO L185 Difference]: Start difference. First operand has 56 places, 37 transitions, 134 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:04,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 47 transitions, 202 flow [2021-03-26 08:09:04,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 47 transitions, 181 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:04,668 INFO L241 Difference]: Finished difference. Result has 59 places, 38 transitions, 141 flow [2021-03-26 08:09:04,669 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=229, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=141, PETRI_PLACES=59, PETRI_TRANSITIONS=38} [2021-03-26 08:09:04,669 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 7 predicate places. [2021-03-26 08:09:04,669 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:04,669 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 38 transitions, 141 flow [2021-03-26 08:09:04,669 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 38 transitions, 141 flow [2021-03-26 08:09:04,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 38 transitions, 141 flow [2021-03-26 08:09:04,672 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:04,673 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:04,673 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 51. Up to 6 conditions per place. [2021-03-26 08:09:04,673 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:05,279 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-03-26 08:09:05,432 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-26 08:09:06,103 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-03-26 08:09:06,285 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-03-26 08:09:06,369 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:06,370 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:06,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1701 [2021-03-26 08:09:06,370 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 37 transitions, 135 flow [2021-03-26 08:09:06,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:06,371 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:06,371 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:06,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-26 08:09:06,580 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:06,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:06,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1075114157, now seen corresponding path program 1 times [2021-03-26 08:09:06,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:06,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815611915] [2021-03-26 08:09:06,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:06,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815611915] [2021-03-26 08:09:06,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555465131] [2021-03-26 08:09:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:06,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:06,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:06,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,709 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,709 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,715 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,717 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,728 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,736 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:06,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:06,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:06,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:06,742 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:06,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:06,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:06,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:06,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:06,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691945855] [2021-03-26 08:09:06,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:06,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:06,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:06,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:06,753 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 232 [2021-03-26 08:09:06,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 37 transitions, 135 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:06,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:06,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 232 [2021-03-26 08:09:06,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:06,833 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:06,834 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:06,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:06,834 INFO L132 encePairwiseOnDemand]: 226/232 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:06,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 47 transitions, 203 flow [2021-03-26 08:09:06,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:06,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5689655172413793 [2021-03-26 08:09:06,837 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:06,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:06,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:06,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:06,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:06,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:06,841 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 232.0) internal successors, (1856), 8 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:06,841 INFO L185 Difference]: Start difference. First operand has 57 places, 37 transitions, 135 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:06,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 47 transitions, 203 flow [2021-03-26 08:09:06,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 47 transitions, 182 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:06,843 INFO L241 Difference]: Finished difference. Result has 60 places, 38 transitions, 142 flow [2021-03-26 08:09:06,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=232, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=142, PETRI_PLACES=60, PETRI_TRANSITIONS=38} [2021-03-26 08:09:06,843 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 8 predicate places. [2021-03-26 08:09:06,843 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:06,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 38 transitions, 142 flow [2021-03-26 08:09:06,844 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 38 transitions, 142 flow [2021-03-26 08:09:06,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 38 transitions, 142 flow [2021-03-26 08:09:06,847 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:06,847 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:06,847 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 52. Up to 6 conditions per place. [2021-03-26 08:09:06,847 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:07,613 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-03-26 08:09:07,797 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-03-26 08:09:08,501 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2021-03-26 08:09:08,751 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-26 08:09:08,841 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:08,841 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:08,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1998 [2021-03-26 08:09:08,842 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 37 transitions, 136 flow [2021-03-26 08:09:08,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:08,842 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:08,842 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:09,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:09,064 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:09,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:09,064 INFO L82 PathProgramCache]: Analyzing trace with hash 822968243, now seen corresponding path program 1 times [2021-03-26 08:09:09,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:09,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240363398] [2021-03-26 08:09:09,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:09,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:09,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240363398] [2021-03-26 08:09:09,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066336612] [2021-03-26 08:09:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:09,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:09,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:09,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:09,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:09,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:09,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:09,228 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:09,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:09,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:09,236 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:09,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:09,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:09,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523640290] [2021-03-26 08:09:09,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:09,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:09,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:09,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:09,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 235 [2021-03-26 08:09:09,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 37 transitions, 136 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:09,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:09,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 235 [2021-03-26 08:09:09,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:09,324 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:09,324 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:09,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:09,324 INFO L132 encePairwiseOnDemand]: 229/235 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:09,325 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 47 transitions, 204 flow [2021-03-26 08:09:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:09,329 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5617021276595745 [2021-03-26 08:09:09,329 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:09,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:09,330 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:09,330 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:09,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:09,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 235.0) internal successors, (1880), 8 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:09,335 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 235.0) internal successors, (1880), 8 states have internal predecessors, (1880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:09,335 INFO L185 Difference]: Start difference. First operand has 58 places, 37 transitions, 136 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:09,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 47 transitions, 204 flow [2021-03-26 08:09:09,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 47 transitions, 183 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:09,336 INFO L241 Difference]: Finished difference. Result has 61 places, 38 transitions, 143 flow [2021-03-26 08:09:09,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=143, PETRI_PLACES=61, PETRI_TRANSITIONS=38} [2021-03-26 08:09:09,337 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 9 predicate places. [2021-03-26 08:09:09,337 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:09,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 38 transitions, 143 flow [2021-03-26 08:09:09,337 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 38 transitions, 143 flow [2021-03-26 08:09:09,337 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 38 transitions, 143 flow [2021-03-26 08:09:09,340 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:09,341 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:09,341 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 6 conditions per place. [2021-03-26 08:09:09,341 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:10,139 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-26 08:09:10,329 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 08:09:11,369 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-03-26 08:09:11,657 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-03-26 08:09:11,727 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:11,727 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:11,727 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2390 [2021-03-26 08:09:11,728 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 37 transitions, 137 flow [2021-03-26 08:09:11,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:11,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:11,728 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:11,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-26 08:09:11,940 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:11,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:11,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1573916653, now seen corresponding path program 1 times [2021-03-26 08:09:11,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:11,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945762344] [2021-03-26 08:09:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:11,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:11,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:11,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:11,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:11,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:11,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:11,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:11,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:11,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:11,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:11,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:11,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:11,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945762344] [2021-03-26 08:09:11,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038671934] [2021-03-26 08:09:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:12,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:12,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,131 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,134 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:12,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:12,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:12,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:12,137 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:12,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:12,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:12,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:12,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:12,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548338222] [2021-03-26 08:09:12,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:12,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:12,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:12,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:12,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 238 [2021-03-26 08:09:12,149 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 37 transitions, 137 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:12,149 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:12,149 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 238 [2021-03-26 08:09:12,149 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:12,236 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:12,236 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:12,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:12,237 INFO L132 encePairwiseOnDemand]: 232/238 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:12,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 47 transitions, 205 flow [2021-03-26 08:09:12,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:12,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:12,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5546218487394958 [2021-03-26 08:09:12,239 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:12,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:12,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:12,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:12,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:12,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 238.0) internal successors, (1904), 8 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:12,242 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 238.0) internal successors, (1904), 8 states have internal predecessors, (1904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:12,242 INFO L185 Difference]: Start difference. First operand has 59 places, 37 transitions, 137 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:12,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 47 transitions, 205 flow [2021-03-26 08:09:12,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 47 transitions, 184 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:12,244 INFO L241 Difference]: Finished difference. Result has 62 places, 38 transitions, 144 flow [2021-03-26 08:09:12,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=238, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=144, PETRI_PLACES=62, PETRI_TRANSITIONS=38} [2021-03-26 08:09:12,244 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 10 predicate places. [2021-03-26 08:09:12,244 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:12,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 38 transitions, 144 flow [2021-03-26 08:09:12,244 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 38 transitions, 144 flow [2021-03-26 08:09:12,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 38 transitions, 144 flow [2021-03-26 08:09:12,248 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:12,248 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:12,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2021-03-26 08:09:12,248 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:13,108 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-03-26 08:09:13,514 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-03-26 08:09:14,725 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-03-26 08:09:15,041 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-03-26 08:09:15,122 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:15,122 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:15,122 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2878 [2021-03-26 08:09:15,123 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 37 transitions, 138 flow [2021-03-26 08:09:15,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:15,123 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:15,123 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:15,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-26 08:09:15,344 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:15,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:15,344 INFO L82 PathProgramCache]: Analyzing trace with hash 324165747, now seen corresponding path program 1 times [2021-03-26 08:09:15,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:15,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100956253] [2021-03-26 08:09:15,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:15,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:15,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100956253] [2021-03-26 08:09:15,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259358175] [2021-03-26 08:09:15,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:15,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:15,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:15,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:15,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:15,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:15,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:15,490 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:15,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:15,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:15,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:15,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245062831] [2021-03-26 08:09:15,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:15,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:15,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:15,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:15,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 241 [2021-03-26 08:09:15,502 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 37 transitions, 138 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:15,502 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:15,502 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 241 [2021-03-26 08:09:15,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:15,717 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:15,718 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:15,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:15,718 INFO L132 encePairwiseOnDemand]: 235/241 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:15,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 47 transitions, 206 flow [2021-03-26 08:09:15,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:15,720 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5477178423236515 [2021-03-26 08:09:15,720 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:15,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:15,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:15,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:15,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:15,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 241.0) internal successors, (1928), 8 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:15,723 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 241.0) internal successors, (1928), 8 states have internal predecessors, (1928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:15,723 INFO L185 Difference]: Start difference. First operand has 60 places, 37 transitions, 138 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:15,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 47 transitions, 206 flow [2021-03-26 08:09:15,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 47 transitions, 185 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:15,725 INFO L241 Difference]: Finished difference. Result has 63 places, 38 transitions, 145 flow [2021-03-26 08:09:15,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=145, PETRI_PLACES=63, PETRI_TRANSITIONS=38} [2021-03-26 08:09:15,725 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 11 predicate places. [2021-03-26 08:09:15,725 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:15,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 38 transitions, 145 flow [2021-03-26 08:09:15,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 38 transitions, 145 flow [2021-03-26 08:09:15,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 38 transitions, 145 flow [2021-03-26 08:09:15,729 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:15,729 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:15,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 55. Up to 6 conditions per place. [2021-03-26 08:09:15,729 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:17,443 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-03-26 08:09:17,937 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-03-26 08:09:19,267 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-03-26 08:09:19,805 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-03-26 08:09:19,877 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:19,877 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:19,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4152 [2021-03-26 08:09:19,878 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 37 transitions, 139 flow [2021-03-26 08:09:19,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:19,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:19,878 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:20,078 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-26 08:09:20,079 INFO L428 AbstractCegarLoop]: === Iteration 19 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:20,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:20,079 INFO L82 PathProgramCache]: Analyzing trace with hash -2072719149, now seen corresponding path program 1 times [2021-03-26 08:09:20,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:20,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708678391] [2021-03-26 08:09:20,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:20,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:20,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708678391] [2021-03-26 08:09:20,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627830265] [2021-03-26 08:09:20,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:20,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:20,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:20,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,186 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,209 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:20,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:20,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:20,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:20,214 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:20,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:20,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:20,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:20,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:20,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432561252] [2021-03-26 08:09:20,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:20,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:20,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:20,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:20,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 244 [2021-03-26 08:09:20,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 37 transitions, 139 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:20,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:20,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 244 [2021-03-26 08:09:20,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:20,508 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:20,508 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:20,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 61. Up to 6 conditions per place. [2021-03-26 08:09:20,508 INFO L132 encePairwiseOnDemand]: 238/244 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:20,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 47 transitions, 207 flow [2021-03-26 08:09:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:20,511 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5409836065573771 [2021-03-26 08:09:20,511 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:20,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:20,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:20,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:20,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:20,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 244.0) internal successors, (1952), 8 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:20,515 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 244.0) internal successors, (1952), 8 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:20,515 INFO L185 Difference]: Start difference. First operand has 61 places, 37 transitions, 139 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:20,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 47 transitions, 207 flow [2021-03-26 08:09:20,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 47 transitions, 186 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:20,517 INFO L241 Difference]: Finished difference. Result has 64 places, 38 transitions, 146 flow [2021-03-26 08:09:20,517 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=146, PETRI_PLACES=64, PETRI_TRANSITIONS=38} [2021-03-26 08:09:20,517 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 12 predicate places. [2021-03-26 08:09:20,517 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:20,517 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 38 transitions, 146 flow [2021-03-26 08:09:20,518 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 38 transitions, 146 flow [2021-03-26 08:09:20,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 38 transitions, 146 flow [2021-03-26 08:09:20,528 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:20,528 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:20,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 56. Up to 6 conditions per place. [2021-03-26 08:09:20,529 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:22,488 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-03-26 08:09:23,045 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-26 08:09:25,125 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-03-26 08:09:25,757 WARN L205 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-03-26 08:09:25,833 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:25,833 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:25,833 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5316 [2021-03-26 08:09:25,834 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 37 transitions, 140 flow [2021-03-26 08:09:25,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:25,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:25,835 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:26,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:26,048 INFO L428 AbstractCegarLoop]: === Iteration 20 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash -174636749, now seen corresponding path program 1 times [2021-03-26 08:09:26,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:26,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240750957] [2021-03-26 08:09:26,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:26,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:26,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240750957] [2021-03-26 08:09:26,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781594737] [2021-03-26 08:09:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:26,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:26,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,192 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:26,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:26,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:26,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:26,197 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:26,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:26,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:26,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:26,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:26,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788679928] [2021-03-26 08:09:26,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:26,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:26,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:26,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:26,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 247 [2021-03-26 08:09:26,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 37 transitions, 140 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:26,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:26,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 247 [2021-03-26 08:09:26,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:26,358 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:26,359 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:26,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 62. Up to 6 conditions per place. [2021-03-26 08:09:26,359 INFO L132 encePairwiseOnDemand]: 241/247 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:26,359 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 47 transitions, 208 flow [2021-03-26 08:09:26,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:26,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:26,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5344129554655871 [2021-03-26 08:09:26,360 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:26,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:26,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:26,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:26,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:26,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:26,364 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 247.0) internal successors, (1976), 8 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:26,364 INFO L185 Difference]: Start difference. First operand has 62 places, 37 transitions, 140 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:26,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 47 transitions, 208 flow [2021-03-26 08:09:26,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 47 transitions, 187 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:26,365 INFO L241 Difference]: Finished difference. Result has 65 places, 38 transitions, 147 flow [2021-03-26 08:09:26,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=247, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=147, PETRI_PLACES=65, PETRI_TRANSITIONS=38} [2021-03-26 08:09:26,365 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 13 predicate places. [2021-03-26 08:09:26,365 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:26,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 38 transitions, 147 flow [2021-03-26 08:09:26,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 38 transitions, 147 flow [2021-03-26 08:09:26,365 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 38 transitions, 147 flow [2021-03-26 08:09:26,368 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:26,369 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:26,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 57. Up to 6 conditions per place. [2021-03-26 08:09:26,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:28,485 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-26 08:09:29,281 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-26 08:09:31,564 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-03-26 08:09:32,389 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-26 08:09:32,470 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:32,470 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:32,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6105 [2021-03-26 08:09:32,471 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 37 transitions, 141 flow [2021-03-26 08:09:32,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:32,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:32,471 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:32,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:32,676 INFO L428 AbstractCegarLoop]: === Iteration 21 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:32,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:32,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1723445651, now seen corresponding path program 1 times [2021-03-26 08:09:32,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:32,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530531850] [2021-03-26 08:09:32,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:32,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:32,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530531850] [2021-03-26 08:09:32,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596852617] [2021-03-26 08:09:32,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:32,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:32,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,816 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:32,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:32,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:32,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:32,820 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:32,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:32,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:32,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:32,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:32,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878976363] [2021-03-26 08:09:32,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:32,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:32,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:32,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:32,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 250 [2021-03-26 08:09:32,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 37 transitions, 141 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:32,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:32,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 250 [2021-03-26 08:09:32,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:33,175 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:33,175 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:33,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 63. Up to 6 conditions per place. [2021-03-26 08:09:33,176 INFO L132 encePairwiseOnDemand]: 244/250 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:33,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 47 transitions, 209 flow [2021-03-26 08:09:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:33,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.528 [2021-03-26 08:09:33,178 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:33,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:33,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:33,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:33,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:33,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 250.0) internal successors, (2000), 8 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:33,181 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 250.0) internal successors, (2000), 8 states have internal predecessors, (2000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:33,182 INFO L185 Difference]: Start difference. First operand has 63 places, 37 transitions, 141 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:33,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 47 transitions, 209 flow [2021-03-26 08:09:33,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 47 transitions, 188 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:33,183 INFO L241 Difference]: Finished difference. Result has 66 places, 38 transitions, 148 flow [2021-03-26 08:09:33,183 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=250, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=148, PETRI_PLACES=66, PETRI_TRANSITIONS=38} [2021-03-26 08:09:33,183 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 14 predicate places. [2021-03-26 08:09:33,183 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:33,183 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 38 transitions, 148 flow [2021-03-26 08:09:33,184 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 38 transitions, 148 flow [2021-03-26 08:09:33,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 38 transitions, 148 flow [2021-03-26 08:09:33,187 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:33,187 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:33,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 58. Up to 6 conditions per place. [2021-03-26 08:09:33,188 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:36,634 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-03-26 08:09:37,645 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 73 [2021-03-26 08:09:40,977 WARN L205 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-03-26 08:09:41,885 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-26 08:09:41,909 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:41,909 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:41,909 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8726 [2021-03-26 08:09:41,910 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 37 transitions, 142 flow [2021-03-26 08:09:41,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:41,910 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:41,910 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:42,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-26 08:09:42,116 INFO L428 AbstractCegarLoop]: === Iteration 22 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:42,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:42,116 INFO L82 PathProgramCache]: Analyzing trace with hash -673439245, now seen corresponding path program 1 times [2021-03-26 08:09:42,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:42,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526868246] [2021-03-26 08:09:42,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:42,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:42,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526868246] [2021-03-26 08:09:42,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036617094] [2021-03-26 08:09:42,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:42,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:42,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:42,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:42,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:42,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:42,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:42,253 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:42,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:42,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:42,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:42,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:42,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374571783] [2021-03-26 08:09:42,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:42,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:42,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:42,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:42,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 253 [2021-03-26 08:09:42,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 37 transitions, 142 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:42,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:42,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 253 [2021-03-26 08:09:42,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:42,764 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:42,764 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:42,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2021-03-26 08:09:42,765 INFO L132 encePairwiseOnDemand]: 247/253 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:42,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 47 transitions, 210 flow [2021-03-26 08:09:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:42,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:42,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2021-03-26 08:09:42,767 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:42,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:42,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:42,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:42,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:42,770 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:42,770 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 253.0) internal successors, (2024), 8 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:42,770 INFO L185 Difference]: Start difference. First operand has 64 places, 37 transitions, 142 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:42,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 47 transitions, 210 flow [2021-03-26 08:09:42,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 47 transitions, 189 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:42,771 INFO L241 Difference]: Finished difference. Result has 67 places, 38 transitions, 149 flow [2021-03-26 08:09:42,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=253, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=149, PETRI_PLACES=67, PETRI_TRANSITIONS=38} [2021-03-26 08:09:42,772 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 15 predicate places. [2021-03-26 08:09:42,772 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:42,772 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 38 transitions, 149 flow [2021-03-26 08:09:42,772 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 38 transitions, 149 flow [2021-03-26 08:09:42,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 38 transitions, 149 flow [2021-03-26 08:09:42,775 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:42,775 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:42,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 59. Up to 6 conditions per place. [2021-03-26 08:09:42,776 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:46,720 WARN L205 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-03-26 08:09:47,930 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 76 [2021-03-26 08:09:51,380 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2021-03-26 08:09:52,437 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 77 [2021-03-26 08:09:52,516 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:09:52,516 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:09:52,517 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9745 [2021-03-26 08:09:52,517 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 37 transitions, 143 flow [2021-03-26 08:09:52,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:52,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:09:52,517 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:09:52,737 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-26 08:09:52,738 INFO L428 AbstractCegarLoop]: === Iteration 23 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:09:52,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:09:52,738 INFO L82 PathProgramCache]: Analyzing trace with hash 719084530, now seen corresponding path program 1 times [2021-03-26 08:09:52,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:09:52,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794766993] [2021-03-26 08:09:52,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:09:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:52,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:52,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794766993] [2021-03-26 08:09:52,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130504418] [2021-03-26 08:09:52,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:09:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:09:52,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:09:52,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:09:52,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,851 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,852 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,856 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,867 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,869 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:09:52,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:09:52,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:09:52,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:09:52,884 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:09:52,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:09:52,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:09:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:09:52,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:09:52,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:09:52,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857634368] [2021-03-26 08:09:52,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:09:52,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:09:52,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:09:52,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:09:52,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 256 [2021-03-26 08:09:52,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 37 transitions, 143 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:52,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:09:52,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 256 [2021-03-26 08:09:52,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:09:53,395 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:53,395 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:09:53,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2021-03-26 08:09:53,396 INFO L132 encePairwiseOnDemand]: 250/256 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:09:53,396 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 47 transitions, 211 flow [2021-03-26 08:09:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:09:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:09:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:09:53,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.515625 [2021-03-26 08:09:53,398 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:09:53,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:09:53,398 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:09:53,398 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:09:53,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:53,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 256.0) internal successors, (2048), 8 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:53,401 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 256.0) internal successors, (2048), 8 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:09:53,401 INFO L185 Difference]: Start difference. First operand has 65 places, 37 transitions, 143 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:09:53,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 47 transitions, 211 flow [2021-03-26 08:09:53,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 47 transitions, 190 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:09:53,402 INFO L241 Difference]: Finished difference. Result has 68 places, 38 transitions, 150 flow [2021-03-26 08:09:53,402 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=150, PETRI_PLACES=68, PETRI_TRANSITIONS=38} [2021-03-26 08:09:53,403 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 16 predicate places. [2021-03-26 08:09:53,403 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:09:53,403 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 38 transitions, 150 flow [2021-03-26 08:09:53,403 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 38 transitions, 150 flow [2021-03-26 08:09:53,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 38 transitions, 150 flow [2021-03-26 08:09:53,406 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:09:53,406 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:09:53,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 60. Up to 6 conditions per place. [2021-03-26 08:09:53,407 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:09:58,215 WARN L205 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-03-26 08:09:59,728 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 08:10:03,612 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2021-03-26 08:10:04,797 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 80 [2021-03-26 08:10:04,875 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:10:04,875 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:10:04,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11472 [2021-03-26 08:10:04,875 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 37 transitions, 144 flow [2021-03-26 08:10:04,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:04,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:10:04,876 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:10:05,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:10:05,076 INFO L428 AbstractCegarLoop]: === Iteration 24 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:10:05,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:10:05,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1172241741, now seen corresponding path program 1 times [2021-03-26 08:10:05,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:10:05,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571221273] [2021-03-26 08:10:05,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:10:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:05,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:05,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571221273] [2021-03-26 08:10:05,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270080627] [2021-03-26 08:10:05,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:10:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:05,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:10:05,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:10:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,176 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,204 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:05,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:05,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:05,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:05,236 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:10:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:05,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:05,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:10:05,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:10:05,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654601001] [2021-03-26 08:10:05,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:10:05,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:10:05,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:10:05,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:10:05,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 259 [2021-03-26 08:10:05,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 37 transitions, 144 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:05,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:10:05,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 259 [2021-03-26 08:10:05,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:10:05,615 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:05,615 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:10:05,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2021-03-26 08:10:05,616 INFO L132 encePairwiseOnDemand]: 253/259 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:10:05,616 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 47 transitions, 212 flow [2021-03-26 08:10:05,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:10:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:10:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:10:05,618 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5096525096525096 [2021-03-26 08:10:05,618 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:10:05,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:10:05,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:10:05,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:10:05,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:05,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 259.0) internal successors, (2072), 8 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:05,621 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 259.0) internal successors, (2072), 8 states have internal predecessors, (2072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:05,621 INFO L185 Difference]: Start difference. First operand has 66 places, 37 transitions, 144 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:10:05,621 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 47 transitions, 212 flow [2021-03-26 08:10:05,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 47 transitions, 191 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:10:05,622 INFO L241 Difference]: Finished difference. Result has 69 places, 38 transitions, 151 flow [2021-03-26 08:10:05,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=259, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=151, PETRI_PLACES=69, PETRI_TRANSITIONS=38} [2021-03-26 08:10:05,623 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 17 predicate places. [2021-03-26 08:10:05,623 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:10:05,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 38 transitions, 151 flow [2021-03-26 08:10:05,623 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 38 transitions, 151 flow [2021-03-26 08:10:05,623 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 38 transitions, 151 flow [2021-03-26 08:10:05,627 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:05,627 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:10:05,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 61. Up to 6 conditions per place. [2021-03-26 08:10:05,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:10:10,999 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-26 08:10:12,602 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 83 [2021-03-26 08:10:16,680 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-03-26 08:10:18,371 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 08:10:18,456 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:10:18,457 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:10:18,457 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12834 [2021-03-26 08:10:18,457 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 37 transitions, 145 flow [2021-03-26 08:10:18,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:18,458 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:10:18,458 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:10:18,658 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-03-26 08:10:18,658 INFO L428 AbstractCegarLoop]: === Iteration 25 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:10:18,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:10:18,659 INFO L82 PathProgramCache]: Analyzing trace with hash 725840659, now seen corresponding path program 1 times [2021-03-26 08:10:18,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:10:18,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568561185] [2021-03-26 08:10:18,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:10:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:18,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568561185] [2021-03-26 08:10:18,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975935509] [2021-03-26 08:10:18,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:10:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:18,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:10:18,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:10:18,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,758 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,763 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:18,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:18,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:18,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:18,792 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:10:18,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:18,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:18,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:10:18,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:10:18,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314666609] [2021-03-26 08:10:18,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:10:18,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:10:18,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:10:18,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:10:18,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 262 [2021-03-26 08:10:18,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 37 transitions, 145 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:18,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:10:18,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 262 [2021-03-26 08:10:18,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:10:19,403 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:19,403 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:10:19,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 67. Up to 6 conditions per place. [2021-03-26 08:10:19,403 INFO L132 encePairwiseOnDemand]: 256/262 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:10:19,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 47 transitions, 213 flow [2021-03-26 08:10:19,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:10:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:10:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:10:19,405 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5038167938931297 [2021-03-26 08:10:19,405 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:10:19,405 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:10:19,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:10:19,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:10:19,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:19,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 262.0) internal successors, (2096), 8 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:19,408 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 262.0) internal successors, (2096), 8 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:19,408 INFO L185 Difference]: Start difference. First operand has 67 places, 37 transitions, 145 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:10:19,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 47 transitions, 213 flow [2021-03-26 08:10:19,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 47 transitions, 192 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:10:19,409 INFO L241 Difference]: Finished difference. Result has 70 places, 38 transitions, 152 flow [2021-03-26 08:10:19,410 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=152, PETRI_PLACES=70, PETRI_TRANSITIONS=38} [2021-03-26 08:10:19,410 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 18 predicate places. [2021-03-26 08:10:19,410 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:10:19,410 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 38 transitions, 152 flow [2021-03-26 08:10:19,410 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 38 transitions, 152 flow [2021-03-26 08:10:19,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 38 transitions, 152 flow [2021-03-26 08:10:19,414 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:19,414 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:10:19,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 62. Up to 6 conditions per place. [2021-03-26 08:10:19,414 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:10:25,536 WARN L205 SmtUtils]: Spent 6.12 s on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-03-26 08:10:27,223 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 86 [2021-03-26 08:10:33,686 WARN L205 SmtUtils]: Spent 6.46 s on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-03-26 08:10:35,799 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 08:10:35,903 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:10:35,904 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:10:35,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16494 [2021-03-26 08:10:35,904 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 37 transitions, 146 flow [2021-03-26 08:10:35,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:35,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:10:35,905 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:10:36,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:10:36,105 INFO L428 AbstractCegarLoop]: === Iteration 26 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:10:36,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:10:36,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1671044237, now seen corresponding path program 1 times [2021-03-26 08:10:36,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:10:36,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136377878] [2021-03-26 08:10:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:10:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:36,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:36,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136377878] [2021-03-26 08:10:36,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256247434] [2021-03-26 08:10:36,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:10:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:36,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:10:36,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:10:36,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,245 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,269 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:36,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:36,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:36,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:36,275 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:10:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:36,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:36,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:10:36,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:10:36,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249796687] [2021-03-26 08:10:36,288 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:10:36,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:10:36,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:10:36,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:10:36,289 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 265 [2021-03-26 08:10:36,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 37 transitions, 146 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:36,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:10:36,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 265 [2021-03-26 08:10:36,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:10:37,031 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:37,031 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:10:37,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 68. Up to 6 conditions per place. [2021-03-26 08:10:37,031 INFO L132 encePairwiseOnDemand]: 259/265 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:10:37,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 47 transitions, 214 flow [2021-03-26 08:10:37,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:10:37,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:10:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:10:37,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4981132075471698 [2021-03-26 08:10:37,034 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:10:37,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:10:37,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:10:37,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:10:37,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:37,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 265.0) internal successors, (2120), 8 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:37,037 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 265.0) internal successors, (2120), 8 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:37,037 INFO L185 Difference]: Start difference. First operand has 68 places, 37 transitions, 146 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:10:37,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 47 transitions, 214 flow [2021-03-26 08:10:37,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 47 transitions, 193 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:10:37,038 INFO L241 Difference]: Finished difference. Result has 71 places, 38 transitions, 153 flow [2021-03-26 08:10:37,038 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=153, PETRI_PLACES=71, PETRI_TRANSITIONS=38} [2021-03-26 08:10:37,038 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 19 predicate places. [2021-03-26 08:10:37,038 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:10:37,039 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 38 transitions, 153 flow [2021-03-26 08:10:37,039 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 38 transitions, 153 flow [2021-03-26 08:10:37,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 38 transitions, 153 flow [2021-03-26 08:10:37,042 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:37,042 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:10:37,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 63. Up to 6 conditions per place. [2021-03-26 08:10:37,043 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:10:43,979 WARN L205 SmtUtils]: Spent 6.94 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2021-03-26 08:10:46,022 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 88 [2021-03-26 08:10:53,660 WARN L205 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2021-03-26 08:10:56,166 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 87 [2021-03-26 08:10:56,273 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:10:56,273 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:10:56,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19235 [2021-03-26 08:10:56,274 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 37 transitions, 147 flow [2021-03-26 08:10:56,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:56,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:10:56,274 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:10:56,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-26 08:10:56,476 INFO L428 AbstractCegarLoop]: === Iteration 27 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:10:56,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:10:56,476 INFO L82 PathProgramCache]: Analyzing trace with hash 227038163, now seen corresponding path program 1 times [2021-03-26 08:10:56,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:10:56,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594960278] [2021-03-26 08:10:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:10:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:56,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:56,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594960278] [2021-03-26 08:10:56,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307932650] [2021-03-26 08:10:56,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:10:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:10:56,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:10:56,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:10:56,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:10:56,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:10:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:10:56,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:10:56,630 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:10:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:10:56,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:10:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:10:56,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:10:56,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:10:56,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243543855] [2021-03-26 08:10:56,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:10:56,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:10:56,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:10:56,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:10:56,644 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 268 [2021-03-26 08:10:56,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 37 transitions, 147 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:56,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:10:56,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 268 [2021-03-26 08:10:56,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:10:57,366 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:57,366 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:10:57,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 69. Up to 6 conditions per place. [2021-03-26 08:10:57,367 INFO L132 encePairwiseOnDemand]: 262/268 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:10:57,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 47 transitions, 215 flow [2021-03-26 08:10:57,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:10:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:10:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:10:57,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4925373134328358 [2021-03-26 08:10:57,369 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:10:57,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:10:57,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:10:57,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:10:57,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:57,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 268.0) internal successors, (2144), 8 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:57,373 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 268.0) internal successors, (2144), 8 states have internal predecessors, (2144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:10:57,373 INFO L185 Difference]: Start difference. First operand has 69 places, 37 transitions, 147 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:10:57,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 47 transitions, 215 flow [2021-03-26 08:10:57,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 47 transitions, 194 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:10:57,374 INFO L241 Difference]: Finished difference. Result has 72 places, 38 transitions, 154 flow [2021-03-26 08:10:57,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=268, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=154, PETRI_PLACES=72, PETRI_TRANSITIONS=38} [2021-03-26 08:10:57,375 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 20 predicate places. [2021-03-26 08:10:57,375 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:10:57,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 38 transitions, 154 flow [2021-03-26 08:10:57,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 38 transitions, 154 flow [2021-03-26 08:10:57,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 38 transitions, 154 flow [2021-03-26 08:10:57,379 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:10:57,379 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:10:57,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 64. Up to 6 conditions per place. [2021-03-26 08:10:57,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:11:05,226 WARN L205 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-03-26 08:11:07,477 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 08:11:17,536 WARN L205 SmtUtils]: Spent 10.06 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-03-26 08:11:20,472 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 92 [2021-03-26 08:11:20,566 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:11:20,566 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:11:20,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23191 [2021-03-26 08:11:20,566 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 37 transitions, 148 flow [2021-03-26 08:11:20,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:20,567 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:11:20,567 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:11:20,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-03-26 08:11:20,767 INFO L428 AbstractCegarLoop]: === Iteration 28 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:11:20,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:11:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2125120563, now seen corresponding path program 1 times [2021-03-26 08:11:20,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:11:20,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412391293] [2021-03-26 08:11:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:11:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:11:20,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:11:20,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412391293] [2021-03-26 08:11:20,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730724815] [2021-03-26 08:11:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:11:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:11:20,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:11:20,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:11:20,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,918 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,920 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,941 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:20,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:20,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:20,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:20,957 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:11:20,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:20,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:11:20,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:11:20,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:11:20,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095765047] [2021-03-26 08:11:20,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:11:20,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:11:20,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:11:20,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:11:20,970 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 271 [2021-03-26 08:11:20,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 37 transitions, 148 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:20,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:11:20,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 271 [2021-03-26 08:11:20,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:11:21,552 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:11:21,552 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:11:21,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 70. Up to 6 conditions per place. [2021-03-26 08:11:21,552 INFO L132 encePairwiseOnDemand]: 265/271 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:11:21,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 47 transitions, 216 flow [2021-03-26 08:11:21,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:11:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:11:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:11:21,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4870848708487085 [2021-03-26 08:11:21,555 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:11:21,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:11:21,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:11:21,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:11:21,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:21,558 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 271.0) internal successors, (2168), 8 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:21,558 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 271.0) internal successors, (2168), 8 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:21,558 INFO L185 Difference]: Start difference. First operand has 70 places, 37 transitions, 148 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:11:21,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 47 transitions, 216 flow [2021-03-26 08:11:21,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 47 transitions, 195 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:11:21,562 INFO L241 Difference]: Finished difference. Result has 73 places, 38 transitions, 155 flow [2021-03-26 08:11:21,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=155, PETRI_PLACES=73, PETRI_TRANSITIONS=38} [2021-03-26 08:11:21,562 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 21 predicate places. [2021-03-26 08:11:21,562 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:11:21,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 38 transitions, 155 flow [2021-03-26 08:11:21,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 38 transitions, 155 flow [2021-03-26 08:11:21,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 38 transitions, 155 flow [2021-03-26 08:11:21,566 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:11:21,566 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:11:21,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2021-03-26 08:11:21,566 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:11:30,079 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-03-26 08:11:33,722 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification that was a NOOP. DAG size: 94 [2021-03-26 08:11:45,084 WARN L205 SmtUtils]: Spent 11.36 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-03-26 08:11:48,598 WARN L205 SmtUtils]: Spent 3.51 s on a formula simplification that was a NOOP. DAG size: 95 [2021-03-26 08:11:48,720 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:11:48,720 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:11:48,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27158 [2021-03-26 08:11:48,721 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 37 transitions, 149 flow [2021-03-26 08:11:48,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:48,721 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:11:48,721 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:11:48,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-03-26 08:11:48,921 INFO L428 AbstractCegarLoop]: === Iteration 29 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:11:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:11:48,922 INFO L82 PathProgramCache]: Analyzing trace with hash -271764333, now seen corresponding path program 1 times [2021-03-26 08:11:48,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:11:48,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654955641] [2021-03-26 08:11:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:11:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:11:48,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:48,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:48,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:48,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:48,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:48,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:48,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:48,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:48,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:48,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:48,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:48,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:48,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:11:48,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654955641] [2021-03-26 08:11:48,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195396971] [2021-03-26 08:11:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:11:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:11:49,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:11:49,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:11:49,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,082 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:11:49,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:11:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:11:49,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:11:49,100 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:11:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:11:49,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:11:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:11:49,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:11:49,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:11:49,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407987907] [2021-03-26 08:11:49,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:11:49,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:11:49,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:11:49,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:11:49,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 274 [2021-03-26 08:11:49,115 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 37 transitions, 149 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:49,115 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:11:49,115 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 274 [2021-03-26 08:11:49,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:11:50,678 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:11:50,678 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:11:50,678 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-03-26 08:11:50,679 INFO L132 encePairwiseOnDemand]: 268/274 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:11:50,679 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 47 transitions, 217 flow [2021-03-26 08:11:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:11:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:11:50,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:11:50,681 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48175182481751827 [2021-03-26 08:11:50,681 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:11:50,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:11:50,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:11:50,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:11:50,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:50,683 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 274.0) internal successors, (2192), 8 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:50,683 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 274.0) internal successors, (2192), 8 states have internal predecessors, (2192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:11:50,683 INFO L185 Difference]: Start difference. First operand has 71 places, 37 transitions, 149 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:11:50,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 47 transitions, 217 flow [2021-03-26 08:11:50,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 47 transitions, 196 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:11:50,684 INFO L241 Difference]: Finished difference. Result has 74 places, 38 transitions, 156 flow [2021-03-26 08:11:50,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=156, PETRI_PLACES=74, PETRI_TRANSITIONS=38} [2021-03-26 08:11:50,684 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 22 predicate places. [2021-03-26 08:11:50,685 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:11:50,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 38 transitions, 156 flow [2021-03-26 08:11:50,685 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 38 transitions, 156 flow [2021-03-26 08:11:50,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 38 transitions, 156 flow [2021-03-26 08:11:50,688 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:11:50,688 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:11:50,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2021-03-26 08:11:50,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:12:06,210 WARN L205 SmtUtils]: Spent 15.52 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-26 08:12:10,931 WARN L205 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 08:12:24,576 WARN L205 SmtUtils]: Spent 13.64 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-03-26 08:12:28,896 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 98 [2021-03-26 08:12:29,030 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:12:29,030 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:12:29,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38345 [2021-03-26 08:12:29,030 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 37 transitions, 150 flow [2021-03-26 08:12:29,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:12:29,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:12:29,031 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:12:29,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-26 08:12:29,236 INFO L428 AbstractCegarLoop]: === Iteration 30 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:12:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:12:29,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1626318067, now seen corresponding path program 1 times [2021-03-26 08:12:29,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:12:29,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904545205] [2021-03-26 08:12:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:12:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:12:29,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,317 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:12:29,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904545205] [2021-03-26 08:12:29,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995606023] [2021-03-26 08:12:29,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:12:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:12:29,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:12:29,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:12:29,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:12:29,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:12:29,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:12:29,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:12:29,467 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:12:29,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:12:29,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:12:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:12:29,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:12:29,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:12:29,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597200995] [2021-03-26 08:12:29,485 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:12:29,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:12:29,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:12:29,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:12:29,486 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 277 [2021-03-26 08:12:29,487 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 37 transitions, 150 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:12:29,487 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:12:29,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 277 [2021-03-26 08:12:29,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:12:31,359 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:12:31,359 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:12:31,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 72. Up to 6 conditions per place. [2021-03-26 08:12:31,360 INFO L132 encePairwiseOnDemand]: 271/277 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:12:31,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 47 transitions, 218 flow [2021-03-26 08:12:31,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:12:31,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:12:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:12:31,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47653429602888087 [2021-03-26 08:12:31,362 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:12:31,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:12:31,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:12:31,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:12:31,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:12:31,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 277.0) internal successors, (2216), 8 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:12:31,364 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 277.0) internal successors, (2216), 8 states have internal predecessors, (2216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:12:31,364 INFO L185 Difference]: Start difference. First operand has 72 places, 37 transitions, 150 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:12:31,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 47 transitions, 218 flow [2021-03-26 08:12:31,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 47 transitions, 197 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:12:31,366 INFO L241 Difference]: Finished difference. Result has 75 places, 38 transitions, 157 flow [2021-03-26 08:12:31,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=277, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=157, PETRI_PLACES=75, PETRI_TRANSITIONS=38} [2021-03-26 08:12:31,366 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 23 predicate places. [2021-03-26 08:12:31,366 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:12:31,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 38 transitions, 157 flow [2021-03-26 08:12:31,366 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 38 transitions, 157 flow [2021-03-26 08:12:31,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 38 transitions, 157 flow [2021-03-26 08:12:31,369 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:12:31,369 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:12:31,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 67. Up to 6 conditions per place. [2021-03-26 08:12:31,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:12:49,706 WARN L205 SmtUtils]: Spent 18.34 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-26 08:12:56,002 WARN L205 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 100 [2021-03-26 08:13:12,463 WARN L205 SmtUtils]: Spent 16.46 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-03-26 08:13:17,719 WARN L205 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 101 [2021-03-26 08:13:17,861 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:13:17,861 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:13:17,861 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46495 [2021-03-26 08:13:17,862 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 37 transitions, 151 flow [2021-03-26 08:13:17,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:13:17,862 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:13:17,862 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:13:18,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:13:18,063 INFO L428 AbstractCegarLoop]: === Iteration 31 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:13:18,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:13:18,063 INFO L82 PathProgramCache]: Analyzing trace with hash -770566829, now seen corresponding path program 1 times [2021-03-26 08:13:18,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:13:18,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864647212] [2021-03-26 08:13:18,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:13:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:13:18,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:13:18,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864647212] [2021-03-26 08:13:18,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573773953] [2021-03-26 08:13:18,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:13:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:13:18,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:13:18,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:13:18,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:13:18,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:13:18,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:13:18,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:13:18,287 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:13:18,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:13:18,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:13:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:13:18,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:13:18,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:13:18,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986576186] [2021-03-26 08:13:18,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:13:18,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:13:18,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:13:18,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:13:18,308 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 280 [2021-03-26 08:13:18,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 37 transitions, 151 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:13:18,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:13:18,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 280 [2021-03-26 08:13:18,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:13:20,931 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:13:20,931 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:13:20,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 73. Up to 6 conditions per place. [2021-03-26 08:13:20,931 INFO L132 encePairwiseOnDemand]: 274/280 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:13:20,932 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 47 transitions, 219 flow [2021-03-26 08:13:20,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:13:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:13:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:13:20,935 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4714285714285714 [2021-03-26 08:13:20,935 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:13:20,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:13:20,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:13:20,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:13:20,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:13:20,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 280.0) internal successors, (2240), 8 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:13:20,970 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 280.0) internal successors, (2240), 8 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:13:20,971 INFO L185 Difference]: Start difference. First operand has 73 places, 37 transitions, 151 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:13:20,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 47 transitions, 219 flow [2021-03-26 08:13:20,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 47 transitions, 198 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:13:20,972 INFO L241 Difference]: Finished difference. Result has 76 places, 38 transitions, 158 flow [2021-03-26 08:13:20,972 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=280, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=158, PETRI_PLACES=76, PETRI_TRANSITIONS=38} [2021-03-26 08:13:20,972 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 24 predicate places. [2021-03-26 08:13:20,973 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:13:20,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 38 transitions, 158 flow [2021-03-26 08:13:20,973 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 38 transitions, 158 flow [2021-03-26 08:13:20,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 38 transitions, 158 flow [2021-03-26 08:13:20,977 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:13:20,977 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:13:20,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 68. Up to 6 conditions per place. [2021-03-26 08:13:20,977 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:13:46,973 WARN L205 SmtUtils]: Spent 25.99 s on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-03-26 08:13:54,895 WARN L205 SmtUtils]: Spent 7.92 s on a formula simplification that was a NOOP. DAG size: 104 [2021-03-26 08:14:15,012 WARN L205 SmtUtils]: Spent 20.12 s on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-03-26 08:14:24,040 WARN L205 SmtUtils]: Spent 9.03 s on a formula simplification that was a NOOP. DAG size: 103 [2021-03-26 08:14:24,219 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:14:24,220 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:14:24,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63247 [2021-03-26 08:14:24,220 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 37 transitions, 152 flow [2021-03-26 08:14:24,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:14:24,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:14:24,221 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:14:24,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,31 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:14:24,440 INFO L428 AbstractCegarLoop]: === Iteration 32 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:14:24,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:14:24,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1127515571, now seen corresponding path program 1 times [2021-03-26 08:14:24,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:14:24,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477811827] [2021-03-26 08:14:24,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:14:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:14:24,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:14:24,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477811827] [2021-03-26 08:14:24,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649408897] [2021-03-26 08:14:24,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:14:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:14:24,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:14:24,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:14:24,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:14:24,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:14:24,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:14:24,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:14:24,662 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:14:24,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:14:24,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:14:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:14:24,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:14:24,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:14:24,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898535821] [2021-03-26 08:14:24,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:14:24,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:14:24,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:14:24,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:14:24,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 283 [2021-03-26 08:14:24,688 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 37 transitions, 152 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:14:24,688 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:14:24,688 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 283 [2021-03-26 08:14:24,688 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:14:26,915 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:14:26,915 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:14:26,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 74. Up to 6 conditions per place. [2021-03-26 08:14:26,916 INFO L132 encePairwiseOnDemand]: 277/283 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:14:26,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 47 transitions, 220 flow [2021-03-26 08:14:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:14:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:14:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:14:26,919 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4664310954063604 [2021-03-26 08:14:26,920 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:14:26,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:14:26,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:14:26,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:14:26,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:14:26,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 283.0) internal successors, (2264), 8 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:14:26,922 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 283.0) internal successors, (2264), 8 states have internal predecessors, (2264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:14:26,922 INFO L185 Difference]: Start difference. First operand has 74 places, 37 transitions, 152 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:14:26,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 47 transitions, 220 flow [2021-03-26 08:14:26,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 47 transitions, 199 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:14:26,923 INFO L241 Difference]: Finished difference. Result has 77 places, 38 transitions, 159 flow [2021-03-26 08:14:26,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=283, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=159, PETRI_PLACES=77, PETRI_TRANSITIONS=38} [2021-03-26 08:14:26,923 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 25 predicate places. [2021-03-26 08:14:26,923 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:14:26,924 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 38 transitions, 159 flow [2021-03-26 08:14:26,924 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 38 transitions, 159 flow [2021-03-26 08:14:26,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 38 transitions, 159 flow [2021-03-26 08:14:26,927 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:14:26,927 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:14:26,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 69. Up to 6 conditions per place. [2021-03-26 08:14:26,928 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:14:57,067 WARN L205 SmtUtils]: Spent 30.14 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-26 08:15:06,870 WARN L205 SmtUtils]: Spent 9.80 s on a formula simplification that was a NOOP. DAG size: 107 [2021-03-26 08:15:42,802 WARN L205 SmtUtils]: Spent 35.93 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-26 08:15:53,921 WARN L205 SmtUtils]: Spent 11.12 s on a formula simplification that was a NOOP. DAG size: 107 [2021-03-26 08:15:54,107 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:15:54,107 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:15:54,107 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87184 [2021-03-26 08:15:54,108 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 37 transitions, 153 flow [2021-03-26 08:15:54,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:15:54,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:15:54,108 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:15:54,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:15:54,309 INFO L428 AbstractCegarLoop]: === Iteration 33 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:15:54,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:15:54,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1269369325, now seen corresponding path program 1 times [2021-03-26 08:15:54,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:15:54,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639226437] [2021-03-26 08:15:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:15:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:15:54,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:15:54,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639226437] [2021-03-26 08:15:54,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768597667] [2021-03-26 08:15:54,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:15:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:15:54,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:15:54,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:15:54,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,535 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:15:54,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:15:54,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:15:54,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:15:54,551 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:15:54,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:15:54,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:15:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:15:54,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:15:54,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:15:54,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625498170] [2021-03-26 08:15:54,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:15:54,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:15:54,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:15:54,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:15:54,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 286 [2021-03-26 08:15:54,583 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 37 transitions, 153 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:15:54,583 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:15:54,583 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 286 [2021-03-26 08:15:54,583 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:15:58,518 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:15:58,518 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:15:58,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 75. Up to 6 conditions per place. [2021-03-26 08:15:58,519 INFO L132 encePairwiseOnDemand]: 280/286 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:15:58,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 47 transitions, 221 flow [2021-03-26 08:15:58,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:15:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:15:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:15:58,522 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46153846153846156 [2021-03-26 08:15:58,523 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:15:58,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:15:58,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:15:58,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:15:58,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:15:58,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:15:58,525 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 286.0) internal successors, (2288), 8 states have internal predecessors, (2288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:15:58,525 INFO L185 Difference]: Start difference. First operand has 75 places, 37 transitions, 153 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:15:58,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 47 transitions, 221 flow [2021-03-26 08:15:58,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 47 transitions, 200 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:15:58,527 INFO L241 Difference]: Finished difference. Result has 78 places, 38 transitions, 160 flow [2021-03-26 08:15:58,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=160, PETRI_PLACES=78, PETRI_TRANSITIONS=38} [2021-03-26 08:15:58,527 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2021-03-26 08:15:58,527 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:15:58,527 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 38 transitions, 160 flow [2021-03-26 08:15:58,527 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 38 transitions, 160 flow [2021-03-26 08:15:58,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 38 transitions, 160 flow [2021-03-26 08:15:58,531 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:15:58,531 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:15:58,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 70. Up to 6 conditions per place. [2021-03-26 08:15:58,531 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:16:36,016 WARN L205 SmtUtils]: Spent 37.48 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-03-26 08:16:47,646 WARN L205 SmtUtils]: Spent 11.63 s on a formula simplification that was a NOOP. DAG size: 110 [2021-03-26 08:17:29,470 WARN L205 SmtUtils]: Spent 41.82 s on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-03-26 08:17:44,222 WARN L205 SmtUtils]: Spent 14.75 s on a formula simplification that was a NOOP. DAG size: 109 [2021-03-26 08:17:44,441 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:17:44,441 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:17:44,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105914 [2021-03-26 08:17:44,441 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 37 transitions, 154 flow [2021-03-26 08:17:44,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:17:44,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:17:44,442 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:17:44,642 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-03-26 08:17:44,642 INFO L428 AbstractCegarLoop]: === Iteration 34 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:17:44,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:17:44,642 INFO L82 PathProgramCache]: Analyzing trace with hash 628713075, now seen corresponding path program 1 times [2021-03-26 08:17:44,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:17:44,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982841033] [2021-03-26 08:17:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:17:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:17:44,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:17:44,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982841033] [2021-03-26 08:17:44,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764800242] [2021-03-26 08:17:44,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:17:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:17:44,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:17:44,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:17:44,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,844 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,864 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,912 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:17:44,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:17:44,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:17:44,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:17:44,972 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:17:44,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:44,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:44,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:45,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:45,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:45,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:45,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:45,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:45,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:45,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:45,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:45,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:45,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:17:45,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:17:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:17:45,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:17:45,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:17:45,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741813771] [2021-03-26 08:17:45,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:17:45,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:17:45,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:17:45,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:17:45,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 289 [2021-03-26 08:17:45,014 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 37 transitions, 154 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:17:45,014 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:17:45,014 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 289 [2021-03-26 08:17:45,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:17:49,835 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:17:49,835 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2021-03-26 08:17:49,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 47 events. 3/47 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-03-26 08:17:49,836 INFO L132 encePairwiseOnDemand]: 283/289 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:17:49,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 47 transitions, 222 flow [2021-03-26 08:17:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 08:17:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 08:17:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 924 transitions. [2021-03-26 08:17:49,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45674740484429066 [2021-03-26 08:17:49,841 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 924 transitions. [2021-03-26 08:17:49,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 924 transitions. [2021-03-26 08:17:49,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:17:49,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 924 transitions. [2021-03-26 08:17:49,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.0) internal successors, (924), 7 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:17:49,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 289.0) internal successors, (2312), 8 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:17:49,843 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 289.0) internal successors, (2312), 8 states have internal predecessors, (2312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:17:49,843 INFO L185 Difference]: Start difference. First operand has 76 places, 37 transitions, 154 flow. Second operand 7 states and 924 transitions. [2021-03-26 08:17:49,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 47 transitions, 222 flow [2021-03-26 08:17:49,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 47 transitions, 201 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-26 08:17:49,844 INFO L241 Difference]: Finished difference. Result has 79 places, 38 transitions, 161 flow [2021-03-26 08:17:49,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=289, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=161, PETRI_PLACES=79, PETRI_TRANSITIONS=38} [2021-03-26 08:17:49,845 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 27 predicate places. [2021-03-26 08:17:49,845 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:17:49,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 38 transitions, 161 flow [2021-03-26 08:17:49,845 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 38 transitions, 161 flow [2021-03-26 08:17:49,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 38 transitions, 161 flow [2021-03-26 08:17:49,848 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:17:49,848 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:17:49,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 71. Up to 6 conditions per place. [2021-03-26 08:17:49,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:18:31,878 WARN L205 SmtUtils]: Spent 41.98 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 08:18:47,934 WARN L205 SmtUtils]: Spent 16.05 s on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 08:19:36,103 WARN L205 SmtUtils]: Spent 48.17 s on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-03-26 08:19:52,166 WARN L205 SmtUtils]: Spent 16.06 s on a formula simplification that was a NOOP. DAG size: 112 [2021-03-26 08:19:52,379 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:19:52,380 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 08:19:52,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 122535 [2021-03-26 08:19:52,380 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 37 transitions, 155 flow [2021-03-26 08:19:52,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:19:52,380 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:19:52,380 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:19:52,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:19:52,581 INFO L428 AbstractCegarLoop]: === Iteration 35 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:19:52,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:19:52,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1768171821, now seen corresponding path program 1 times [2021-03-26 08:19:52,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:19:52,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661086505] [2021-03-26 08:19:52,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:19:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:19:52,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:19:52,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661086505] [2021-03-26 08:19:52,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541576318] [2021-03-26 08:19:52,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:19:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:19:52,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-26 08:19:52,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:19:52,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,857 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:52,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:52,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:52,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:52,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:52,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:52,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:52,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:52,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:52,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:52,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:53,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,001 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:19:53,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:19:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:19:53,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:53,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:19:53,015 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:19:53,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:19:53,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:19:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:19:53,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:19:53,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-26 08:19:53,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470087464] [2021-03-26 08:19:53,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 08:19:53,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:19:53,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 08:19:53,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-26 08:19:53,067 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 292 [2021-03-26 08:19:53,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 37 transitions, 155 flow. Second operand has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:19:53,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:19:53,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 292 [2021-03-26 08:19:53,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:19:55,161 INFO L129 PetriNetUnfolder]: 3/44 cut-off events. [2021-03-26 08:19:55,161 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:19:55,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 44 events. 3/44 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 23 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 77. Up to 11 conditions per place. [2021-03-26 08:19:55,162 INFO L132 encePairwiseOnDemand]: 288/292 looper letters, 7 selfloop transitions, 4 changer transitions 2/40 dead transitions. [2021-03-26 08:19:55,162 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 40 transitions, 187 flow [2021-03-26 08:19:55,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 08:19:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 08:19:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 3 states and 399 transitions. [2021-03-26 08:19:55,167 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4554794520547945 [2021-03-26 08:19:55,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 399 transitions. [2021-03-26 08:19:55,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions. [2021-03-26 08:19:55,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:19:55,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions. [2021-03-26 08:19:55,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:19:55,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 292.0) internal successors, (1168), 4 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:19:55,169 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 292.0) internal successors, (1168), 4 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:19:55,169 INFO L185 Difference]: Start difference. First operand has 77 places, 37 transitions, 155 flow. Second operand 3 states and 399 transitions. [2021-03-26 08:19:55,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 40 transitions, 187 flow [2021-03-26 08:19:55,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 40 transitions, 168 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-26 08:19:55,170 INFO L241 Difference]: Finished difference. Result has 76 places, 37 transitions, 144 flow [2021-03-26 08:19:55,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=292, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=76, PETRI_TRANSITIONS=37} [2021-03-26 08:19:55,170 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 24 predicate places. [2021-03-26 08:19:55,171 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:19:55,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 37 transitions, 144 flow [2021-03-26 08:19:55,171 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 37 transitions, 144 flow [2021-03-26 08:19:55,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 37 transitions, 144 flow [2021-03-26 08:19:55,174 INFO L129 PetriNetUnfolder]: 3/44 cut-off events. [2021-03-26 08:19:55,174 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-03-26 08:19:55,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 44 events. 3/44 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 77. Up to 5 conditions per place. [2021-03-26 08:19:55,175 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:20:43,494 WARN L205 SmtUtils]: Spent 48.19 s on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-03-26 08:20:59,559 WARN L205 SmtUtils]: Spent 16.06 s on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 08:21:47,764 WARN L205 SmtUtils]: Spent 48.20 s on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-03-26 08:22:03,827 WARN L205 SmtUtils]: Spent 16.06 s on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 08:22:03,830 INFO L154 LiptonReduction]: Checked pairs total: 112 [2021-03-26 08:22:03,830 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 08:22:03,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128659 [2021-03-26 08:22:03,830 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 36 transitions, 140 flow [2021-03-26 08:22:03,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 130.75) internal successors, (1046), 8 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:03,831 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:22:03,831 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:22:04,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-03-26 08:22:04,031 INFO L428 AbstractCegarLoop]: === Iteration 36 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:22:04,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:22:04,031 INFO L82 PathProgramCache]: Analyzing trace with hash 366046784, now seen corresponding path program 1 times [2021-03-26 08:22:04,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:22:04,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77907109] [2021-03-26 08:22:04,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:22:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:22:04,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:22:04,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77907109] [2021-03-26 08:22:04,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855162799] [2021-03-26 08:22:04,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:22:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:22:04,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 08:22:04,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:22:04,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:04,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:04,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:04,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,217 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:04,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:04,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:04,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:04,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:04,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:04,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:04,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:04,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:04,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:04,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:04,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:04,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:04,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:04,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:04,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:04,297 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:22:04,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:04,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:22:04,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:22:04,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 08:22:04,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473681014] [2021-03-26 08:22:04,346 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 08:22:04,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:22:04,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 08:22:04,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-26 08:22:04,347 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 293 [2021-03-26 08:22:04,347 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 36 transitions, 140 flow. Second operand has 7 states, 7 states have (on average 130.57142857142858) internal successors, (914), 7 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:04,347 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:22:04,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 293 [2021-03-26 08:22:04,347 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:22:06,425 INFO L129 PetriNetUnfolder]: 3/41 cut-off events. [2021-03-26 08:22:06,425 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 08:22:06,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 41 events. 3/41 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 86. Up to 8 conditions per place. [2021-03-26 08:22:06,426 INFO L132 encePairwiseOnDemand]: 289/293 looper letters, 6 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2021-03-26 08:22:06,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 39 transitions, 170 flow [2021-03-26 08:22:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 08:22:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 08:22:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 3 states and 398 transitions. [2021-03-26 08:22:06,431 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4527872582480091 [2021-03-26 08:22:06,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 398 transitions. [2021-03-26 08:22:06,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions. [2021-03-26 08:22:06,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:22:06,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions. [2021-03-26 08:22:06,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:06,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 293.0) internal successors, (1172), 4 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:06,432 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 293.0) internal successors, (1172), 4 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:06,432 INFO L185 Difference]: Start difference. First operand has 75 places, 36 transitions, 140 flow. Second operand 3 states and 398 transitions. [2021-03-26 08:22:06,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 39 transitions, 170 flow [2021-03-26 08:22:06,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 39 transitions, 159 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-26 08:22:06,433 INFO L241 Difference]: Finished difference. Result has 75 places, 36 transitions, 137 flow [2021-03-26 08:22:06,433 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=137, PETRI_PLACES=75, PETRI_TRANSITIONS=36} [2021-03-26 08:22:06,433 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 23 predicate places. [2021-03-26 08:22:06,433 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:22:06,433 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 36 transitions, 137 flow [2021-03-26 08:22:06,433 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 36 transitions, 137 flow [2021-03-26 08:22:06,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 36 transitions, 137 flow [2021-03-26 08:22:06,436 INFO L129 PetriNetUnfolder]: 3/41 cut-off events. [2021-03-26 08:22:06,436 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 08:22:06,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 41 events. 3/41 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 73. Up to 4 conditions per place. [2021-03-26 08:22:06,436 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:22:06,546 INFO L154 LiptonReduction]: Checked pairs total: 56 [2021-03-26 08:22:06,547 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 08:22:06,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 114 [2021-03-26 08:22:06,547 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 36 transitions, 137 flow [2021-03-26 08:22:06,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 130.57142857142858) internal successors, (914), 7 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:06,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:22:06,548 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 08:22:06,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:22:06,752 INFO L428 AbstractCegarLoop]: === Iteration 37 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:22:06,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:22:06,752 INFO L82 PathProgramCache]: Analyzing trace with hash 787000579, now seen corresponding path program 1 times [2021-03-26 08:22:06,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:22:06,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033137564] [2021-03-26 08:22:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:22:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:22:06,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:22:06,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033137564] [2021-03-26 08:22:06,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751147693] [2021-03-26 08:22:06,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:22:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:22:06,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-26 08:22:06,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:22:06,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:06,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:06,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:06,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:06,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:06,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:06,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:06,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:06,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:06,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:06,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:06,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:06,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:06,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:06,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:07,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:07,005 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:22:07,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:07,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:22:07,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:22:07,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-26 08:22:07,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757786000] [2021-03-26 08:22:07,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 08:22:07,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:22:07,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 08:22:07,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-26 08:22:07,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 293 [2021-03-26 08:22:07,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 36 transitions, 137 flow. Second operand has 6 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 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) [2021-03-26 08:22:07,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:22:07,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 293 [2021-03-26 08:22:07,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:22:09,166 INFO L129 PetriNetUnfolder]: 3/44 cut-off events. [2021-03-26 08:22:09,166 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 08:22:09,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 44 events. 3/44 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 19 event pairs, 0 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 79. Up to 5 conditions per place. [2021-03-26 08:22:09,166 INFO L132 encePairwiseOnDemand]: 288/293 looper letters, 9 selfloop transitions, 6 changer transitions 2/44 dead transitions. [2021-03-26 08:22:09,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 44 transitions, 191 flow [2021-03-26 08:22:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 08:22:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 08:22:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 663 transitions. [2021-03-26 08:22:09,172 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45255972696245733 [2021-03-26 08:22:09,172 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 663 transitions. [2021-03-26 08:22:09,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 663 transitions. [2021-03-26 08:22:09,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:22:09,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 663 transitions. [2021-03-26 08:22:09,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:09,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:09,174 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 293.0) internal successors, (1758), 6 states have internal predecessors, (1758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:09,175 INFO L185 Difference]: Start difference. First operand has 75 places, 36 transitions, 137 flow. Second operand 5 states and 663 transitions. [2021-03-26 08:22:09,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 44 transitions, 191 flow [2021-03-26 08:22:09,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 44 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 08:22:09,176 INFO L241 Difference]: Finished difference. Result has 78 places, 37 transitions, 152 flow [2021-03-26 08:22:09,176 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=293, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=152, PETRI_PLACES=78, PETRI_TRANSITIONS=37} [2021-03-26 08:22:09,176 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 26 predicate places. [2021-03-26 08:22:09,176 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:22:09,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 37 transitions, 152 flow [2021-03-26 08:22:09,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 37 transitions, 152 flow [2021-03-26 08:22:09,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 37 transitions, 152 flow [2021-03-26 08:22:09,180 INFO L129 PetriNetUnfolder]: 3/44 cut-off events. [2021-03-26 08:22:09,180 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-26 08:22:09,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 44 events. 3/44 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 74. Up to 5 conditions per place. [2021-03-26 08:22:09,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:22:09,474 INFO L154 LiptonReduction]: Checked pairs total: 168 [2021-03-26 08:22:09,474 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 08:22:09,474 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-26 08:22:09,475 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 37 transitions, 152 flow [2021-03-26 08:22:09,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 130.66666666666666) internal successors, (784), 6 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) [2021-03-26 08:22:09,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 08:22:09,475 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-03-26 08:22:09,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-03-26 08:22:09,692 INFO L428 AbstractCegarLoop]: === Iteration 38 === [thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, thread_routineErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-26 08:22:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 08:22:09,692 INFO L82 PathProgramCache]: Analyzing trace with hash -540086896, now seen corresponding path program 2 times [2021-03-26 08:22:09,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 08:22:09,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525876738] [2021-03-26 08:22:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 08:22:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 08:22:09,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:22:09,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525876738] [2021-03-26 08:22:09,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94872107] [2021-03-26 08:22:09,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-26 08:22:09,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-26 08:22:09,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-26 08:22:09,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-26 08:22:09,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-26 08:22:09,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:09,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:09,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:09,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:09,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:09,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:09,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,924 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:09,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:09,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:09,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,931 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:09,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:09,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:09,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,972 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:09,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:09,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:09,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-26 08:22:09,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 08:22:09,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 08:22:09,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:09,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 08:22:09,995 INFO L142 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-03-26 08:22:09,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:09,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 08:22:10,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 08:22:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-26 08:22:10,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-26 08:22:10,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-26 08:22:10,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356003356] [2021-03-26 08:22:10,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 08:22:10,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 08:22:10,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 08:22:10,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-26 08:22:10,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 295 [2021-03-26 08:22:10,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 37 transitions, 152 flow. Second operand has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:10,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 08:22:10,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 295 [2021-03-26 08:22:10,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 08:22:12,177 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:22:12,177 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-26 08:22:12,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 47 events. 3/47 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 26 event pairs, 0 based on Foata normal form. 1/45 useless extension candidates. Maximal degree in co-relation 80. Up to 6 conditions per place. [2021-03-26 08:22:12,177 INFO L132 encePairwiseOnDemand]: 289/295 looper letters, 9 selfloop transitions, 7 changer transitions 4/47 dead transitions. [2021-03-26 08:22:12,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 47 transitions, 218 flow [2021-03-26 08:22:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 08:22:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 08:22:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions. [2021-03-26 08:22:12,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4491525423728814 [2021-03-26 08:22:12,182 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions. [2021-03-26 08:22:12,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions. [2021-03-26 08:22:12,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 08:22:12,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions. [2021-03-26 08:22:12,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 132.5) internal successors, (795), 6 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) [2021-03-26 08:22:12,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:12,184 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 295.0) internal successors, (2065), 7 states have internal predecessors, (2065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 08:22:12,185 INFO L185 Difference]: Start difference. First operand has 78 places, 37 transitions, 152 flow. Second operand 6 states and 795 transitions. [2021-03-26 08:22:12,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 47 transitions, 218 flow [2021-03-26 08:22:12,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 47 transitions, 204 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-26 08:22:12,186 INFO L241 Difference]: Finished difference. Result has 81 places, 38 transitions, 164 flow [2021-03-26 08:22:12,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=164, PETRI_PLACES=81, PETRI_TRANSITIONS=38} [2021-03-26 08:22:12,186 INFO L343 CegarLoopForPetriNet]: 52 programPoint places, 29 predicate places. [2021-03-26 08:22:12,186 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 08:22:12,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 38 transitions, 164 flow [2021-03-26 08:22:12,186 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 38 transitions, 164 flow [2021-03-26 08:22:12,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 38 transitions, 164 flow [2021-03-26 08:22:12,189 INFO L129 PetriNetUnfolder]: 3/47 cut-off events. [2021-03-26 08:22:12,189 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 08:22:12,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 47 events. 3/47 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 74. Up to 6 conditions per place. [2021-03-26 08:22:12,190 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-26 08:23:00,400 WARN L205 SmtUtils]: Spent 48.21 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 08:23:16,480 WARN L205 SmtUtils]: Spent 16.08 s on a formula simplification that was a NOOP. DAG size: 119 Received shutdown request... [2021-03-26 08:23:28,540 WARN L222 SmtUtils]: Removed 5 from assertion stack [2021-03-26 08:23:28,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-03-26 08:23:28,741 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 08:23:28,744 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 08:23:28,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 08:23:28 BasicIcfg [2021-03-26 08:23:28,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 08:23:28,744 INFO L168 Benchmark]: Toolchain (without parser) took 881640.76 ms. Allocated memory was 255.9 MB in the beginning and 528.5 MB in the end (delta: 272.6 MB). Free memory was 233.8 MB in the beginning and 250.6 MB in the end (delta: -16.8 MB). Peak memory consumption was 256.2 MB. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.46 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 233.8 MB in the beginning and 302.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.83 ms. Allocated memory is still 367.0 MB. Free memory was 302.9 MB in the beginning and 300.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L168 Benchmark]: Boogie Preprocessor took 44.54 ms. Allocated memory is still 367.0 MB. Free memory was 300.4 MB in the beginning and 298.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L168 Benchmark]: RCFGBuilder took 550.53 ms. Allocated memory is still 367.0 MB. Free memory was 298.8 MB in the beginning and 331.4 MB in the end (delta: -32.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L168 Benchmark]: TraceAbstraction took 880385.46 ms. Allocated memory was 367.0 MB in the beginning and 528.5 MB in the end (delta: 161.5 MB). Free memory was 331.4 MB in the beginning and 250.6 MB in the end (delta: 80.8 MB). Peak memory consumption was 243.1 MB. Max. memory is 16.0 GB. [2021-03-26 08:23:28,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 608.46 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 233.8 MB in the beginning and 302.9 MB in the end (delta: -69.1 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.83 ms. Allocated memory is still 367.0 MB. Free memory was 302.9 MB in the beginning and 300.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.54 ms. Allocated memory is still 367.0 MB. Free memory was 300.4 MB in the beginning and 298.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 550.53 ms. Allocated memory is still 367.0 MB. Free memory was 298.8 MB in the beginning and 331.4 MB in the end (delta: -32.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 880385.46 ms. Allocated memory was 367.0 MB in the beginning and 528.5 MB in the end (delta: 161.5 MB). Free memory was 331.4 MB in the beginning and 250.6 MB in the end (delta: 80.8 MB). Peak memory consumption was 243.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2020.1ms, 95 PlacesBefore, 52 PlacesAfterwards, 105 TransitionsBefore, 57 TransitionsAfterwards, 2704 CoEnabledTransitionPairs, 6 FixpointIterations, 16 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 58 TotalNumberOfCompositions, 1121 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1085, positive: 1083, positive conditional: 1083, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1085, positive: 1083, positive conditional: 0, positive unconditional: 1083, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1085, positive: 1083, positive conditional: 0, positive unconditional: 1083, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1050, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1050, positive: 1048, positive conditional: 0, positive unconditional: 1048, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1085, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1050, unknown conditional: 0, unknown unconditional: 1050] , Statistics on independence cache: Total cache size (in pairs): 1050, Positive cache size: 1048, Positive conditional cache size: 0, Positive unconditional cache size: 1048, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2456.3ms, 50 PlacesBefore, 41 PlacesAfterwards, 49 TransitionsBefore, 39 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 12 FixpointIterations, 3 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 22 TotalNumberOfCompositions, 139 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 139, positive: 139, positive conditional: 139, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 139, positive: 139, positive conditional: 17, positive unconditional: 122, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 139, positive: 139, positive conditional: 17, positive unconditional: 122, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 139, positive: 139, positive conditional: 17, positive unconditional: 122, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 139, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 139, unknown conditional: 17, unknown unconditional: 122] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1187, Positive conditional cache size: 17, Positive unconditional cache size: 1170, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 154.3ms, 43 PlacesBefore, 42 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 260 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 91 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 56, positive conditional: 56, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63, positive: 56, positive conditional: 52, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 56, positive conditional: 52, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58, positive: 55, positive conditional: 51, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 15, unknown conditional: 0, unknown unconditional: 15] ], Cache Queries: [ total: 63, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 58, unknown conditional: 51, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 1247, Positive cache size: 1242, Positive conditional cache size: 68, Positive unconditional cache size: 1174, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.0ms, 46 PlacesBefore, 44 PlacesAfterwards, 39 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 106, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 76, negative conditional: 67, negative unconditional: 9, unknown: 30, unknown conditional: 30, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 14, negative conditional: 12, negative unconditional: 2, unknown: 11, unknown conditional: 8, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 1258, Positive cache size: 1246, Positive conditional cache size: 70, Positive unconditional cache size: 1176, Negative cache size: 12, Negative conditional cache size: 6, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.2ms, 47 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1263, Positive cache size: 1248, Positive conditional cache size: 72, Positive unconditional cache size: 1176, Negative cache size: 15, Negative conditional cache size: 9, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.2ms, 50 PlacesBefore, 48 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1268, Positive cache size: 1250, Positive conditional cache size: 74, Positive unconditional cache size: 1176, Negative cache size: 18, Negative conditional cache size: 12, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 184.3ms, 51 PlacesBefore, 49 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1273, Positive cache size: 1252, Positive conditional cache size: 76, Positive unconditional cache size: 1176, Negative cache size: 21, Negative conditional cache size: 15, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 227.6ms, 52 PlacesBefore, 50 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1278, Positive cache size: 1254, Positive conditional cache size: 78, Positive unconditional cache size: 1176, Negative cache size: 24, Negative conditional cache size: 18, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.9ms, 53 PlacesBefore, 51 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 14, positive conditional: 4, positive unconditional: 10, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1285, Positive cache size: 1258, Positive conditional cache size: 80, Positive unconditional cache size: 1178, Negative cache size: 27, Negative conditional cache size: 21, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 356.6ms, 54 PlacesBefore, 52 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1290, Positive cache size: 1260, Positive conditional cache size: 82, Positive unconditional cache size: 1178, Negative cache size: 30, Negative conditional cache size: 24, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 528.5ms, 55 PlacesBefore, 53 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1262, Positive conditional cache size: 84, Positive unconditional cache size: 1178, Negative cache size: 33, Negative conditional cache size: 27, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 650.2ms, 56 PlacesBefore, 54 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1300, Positive cache size: 1264, Positive conditional cache size: 86, Positive unconditional cache size: 1178, Negative cache size: 36, Negative conditional cache size: 30, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 991.1ms, 57 PlacesBefore, 55 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1305, Positive cache size: 1266, Positive conditional cache size: 88, Positive unconditional cache size: 1178, Negative cache size: 39, Negative conditional cache size: 33, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1306.4ms, 58 PlacesBefore, 56 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1310, Positive cache size: 1268, Positive conditional cache size: 90, Positive unconditional cache size: 1178, Negative cache size: 42, Negative conditional cache size: 36, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1700.4ms, 59 PlacesBefore, 57 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1315, Positive cache size: 1270, Positive conditional cache size: 92, Positive unconditional cache size: 1178, Negative cache size: 45, Negative conditional cache size: 39, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1997.4ms, 60 PlacesBefore, 58 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1320, Positive cache size: 1272, Positive conditional cache size: 94, Positive unconditional cache size: 1178, Negative cache size: 48, Negative conditional cache size: 42, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2390.1ms, 61 PlacesBefore, 59 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1325, Positive cache size: 1274, Positive conditional cache size: 96, Positive unconditional cache size: 1178, Negative cache size: 51, Negative conditional cache size: 45, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2878.0ms, 62 PlacesBefore, 60 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1330, Positive cache size: 1276, Positive conditional cache size: 98, Positive unconditional cache size: 1178, Negative cache size: 54, Negative conditional cache size: 48, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4151.6ms, 63 PlacesBefore, 61 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1278, Positive conditional cache size: 100, Positive unconditional cache size: 1178, Negative cache size: 57, Negative conditional cache size: 51, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5315.9ms, 64 PlacesBefore, 62 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1340, Positive cache size: 1280, Positive conditional cache size: 102, Positive unconditional cache size: 1178, Negative cache size: 60, Negative conditional cache size: 54, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6105.0ms, 65 PlacesBefore, 63 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1345, Positive cache size: 1282, Positive conditional cache size: 104, Positive unconditional cache size: 1178, Negative cache size: 63, Negative conditional cache size: 57, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8725.7ms, 66 PlacesBefore, 64 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1350, Positive cache size: 1284, Positive conditional cache size: 106, Positive unconditional cache size: 1178, Negative cache size: 66, Negative conditional cache size: 60, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9744.4ms, 67 PlacesBefore, 65 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1355, Positive cache size: 1286, Positive conditional cache size: 108, Positive unconditional cache size: 1178, Negative cache size: 69, Negative conditional cache size: 63, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11471.8ms, 68 PlacesBefore, 66 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1360, Positive cache size: 1288, Positive conditional cache size: 110, Positive unconditional cache size: 1178, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12833.7ms, 69 PlacesBefore, 67 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1365, Positive cache size: 1290, Positive conditional cache size: 112, Positive unconditional cache size: 1178, Negative cache size: 75, Negative conditional cache size: 69, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16493.3ms, 70 PlacesBefore, 68 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1370, Positive cache size: 1292, Positive conditional cache size: 114, Positive unconditional cache size: 1178, Negative cache size: 78, Negative conditional cache size: 72, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19234.2ms, 71 PlacesBefore, 69 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1375, Positive cache size: 1294, Positive conditional cache size: 116, Positive unconditional cache size: 1178, Negative cache size: 81, Negative conditional cache size: 75, Negative unconditional cache size: 6, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23190.6ms, 72 PlacesBefore, 70 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 16, unknown conditional: 0, unknown unconditional: 16] ], Cache Queries: [ total: 33, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 13, negative conditional: 5, negative unconditional: 8, unknown: 4, unknown conditional: 3, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1379, Positive cache size: 1296, Positive conditional cache size: 118, Positive unconditional cache size: 1178, Negative cache size: 83, Negative conditional cache size: 76, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27157.6ms, 73 PlacesBefore, 71 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1384, Positive cache size: 1298, Positive conditional cache size: 120, Positive unconditional cache size: 1178, Negative cache size: 86, Negative conditional cache size: 79, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38345.1ms, 74 PlacesBefore, 72 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1389, Positive cache size: 1300, Positive conditional cache size: 122, Positive unconditional cache size: 1178, Negative cache size: 89, Negative conditional cache size: 82, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46494.8ms, 75 PlacesBefore, 73 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1394, Positive cache size: 1302, Positive conditional cache size: 124, Positive unconditional cache size: 1178, Negative cache size: 92, Negative conditional cache size: 85, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63246.7ms, 76 PlacesBefore, 74 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1399, Positive cache size: 1304, Positive conditional cache size: 126, Positive unconditional cache size: 1178, Negative cache size: 95, Negative conditional cache size: 88, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 87183.3ms, 77 PlacesBefore, 75 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37, positive: 16, positive conditional: 6, positive unconditional: 10, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 16, positive conditional: 6, positive unconditional: 10, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 14, positive conditional: 4, positive unconditional: 10, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1404, Positive cache size: 1306, Positive conditional cache size: 128, Positive unconditional cache size: 1178, Negative cache size: 98, Negative conditional cache size: 91, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105913.5ms, 78 PlacesBefore, 76 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1409, Positive cache size: 1308, Positive conditional cache size: 130, Positive unconditional cache size: 1178, Negative cache size: 101, Negative conditional cache size: 94, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 122534.6ms, 79 PlacesBefore, 77 PlacesAfterwards, 38 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 12, positive conditional: 6, positive unconditional: 6, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] ], Cache Queries: [ total: 33, positive: 10, positive conditional: 4, positive unconditional: 6, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1414, Positive cache size: 1310, Positive conditional cache size: 132, Positive unconditional cache size: 1178, Negative cache size: 104, Negative conditional cache size: 97, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128659.1ms, 76 PlacesBefore, 75 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 112 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 14, negative conditional: 12, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 14, negative conditional: 12, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59, negative conditional: 59, negative unconditional: 0, unknown: 68, unknown conditional: 68, unknown unconditional: 0] ], Cache Queries: [ total: 22, positive: 6, positive conditional: 2, positive unconditional: 4, negative: 11, negative conditional: 9, negative unconditional: 2, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1419, Positive cache size: 1312, Positive conditional cache size: 134, Positive unconditional cache size: 1178, Negative cache size: 107, Negative conditional cache size: 100, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 113.2ms, 75 PlacesBefore, 75 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 56 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 7, negative conditional: 6, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 59, unknown conditional: 59, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1424, Positive cache size: 1314, Positive conditional cache size: 136, Positive unconditional cache size: 1178, Negative cache size: 110, Negative conditional cache size: 103, Negative unconditional cache size: 7, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.6ms, 78 PlacesBefore, 78 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 150 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 6, positive unconditional: 12, negative: 21, negative conditional: 18, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] ], Cache Queries: [ total: 39, positive: 16, positive conditional: 4, positive unconditional: 12, negative: 18, negative conditional: 15, negative unconditional: 3, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1429, Positive cache size: 1316, Positive conditional cache size: 138, Positive unconditional cache size: 1178, Negative cache size: 113, Negative conditional cache size: 106, Negative unconditional cache size: 7, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 1029]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 1029). Cancelled while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 81 places, 38 transitions, 164 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 81 places, 38 transitions, 164 flow and 150 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 128 for 12055ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 880232.9ms, OverallIterations: 38, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 31955.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2115.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 81 SDtfs, 452 SDslu, 0 SDs, 0 SdLazy, 1029 SolverSat, 220 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 30257.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1446.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=38, InterpolantAutomatonStates: 245, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 339.6ms SsaConstructionTime, 661.7ms SatisfiabilityAnalysisTime, 5334.7ms InterpolantComputationTime, 1118 NumberOfCodeBlocks, 1118 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 1043 ConstructedInterpolants, 0 QuantifiedInterpolants, 2313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2893 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 75 InterpolantComputations, 1 PerfectInterpolantSequences, 160/966 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown