/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 01:12:26,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 01:12:26,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 01:12:26,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 01:12:26,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 01:12:26,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 01:12:26,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 01:12:26,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 01:12:26,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 01:12:26,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 01:12:26,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 01:12:26,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 01:12:26,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 01:12:26,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 01:12:26,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 01:12:26,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 01:12:26,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 01:12:26,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-29 01:12:26,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-29 01:12:26,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-29 01:12:26,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-29 01:12:26,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-29 01:12:26,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-29 01:12:26,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-29 01:12:26,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-29 01:12:26,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 01:12:26,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 01:12:26,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 01:12:26,443 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-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 01:12:26,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 01:12:26,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 01:12:26,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 01:12:26,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 01:12:26,506 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 01:12:26,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 01:12:26,507 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 01:12:26,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 01:12:26,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 01:12:26,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 01:12:26,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 01:12:26,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 01:12:26,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 01:12:26,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 01:12:26,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 01:12:26,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 01:12:26,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 01:12:26,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 01:12:26,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 01:12:26,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 01:12:26,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 01:12:26,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 01:12:26,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 01:12:26,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 01:12:26,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 01:12:26,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 01:12:26,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 01:12:26,512 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 01:12:26,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 01:12:26,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 01:12:26,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 01:12:27,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 01:12:27,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 01:12:27,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 01:12:27,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 01:12:27,088 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 01:12:27,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-04-29 01:12:27,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fc32550/6f10b5323c6e4491a2d009cf40b8d0bc/FLAG000f7aba0 [2021-04-29 01:12:28,147 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 01:12:28,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-04-29 01:12:28,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fc32550/6f10b5323c6e4491a2d009cf40b8d0bc/FLAG000f7aba0 [2021-04-29 01:12:28,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47fc32550/6f10b5323c6e4491a2d009cf40b8d0bc [2021-04-29 01:12:28,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 01:12:28,400 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 01:12:28,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 01:12:28,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 01:12:28,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 01:12:28,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:12:28" (1/1) ... [2021-04-29 01:12:28,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccb98cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:28, skipping insertion in model container [2021-04-29 01:12:28,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 01:12:28" (1/1) ... [2021-04-29 01:12:28,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 01:12:28,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 01:12:29,204 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-04-29 01:12:29,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:12:29,243 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 01:12:29,297 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-04-29 01:12:29,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 01:12:29,727 INFO L208 MainTranslator]: Completed translation [2021-04-29 01:12:29,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29 WrapperNode [2021-04-29 01:12:29,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 01:12:29,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 01:12:29,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 01:12:29,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 01:12:29,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 01:12:29,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 01:12:29,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 01:12:29,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 01:12:29,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (1/1) ... [2021-04-29 01:12:29,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 01:12:29,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 01:12:29,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 01:12:29,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 01:12:29,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (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 [2021-04-29 01:12:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 01:12:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-29 01:12:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-04-29 01:12:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-04-29 01:12:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 01:12:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 01:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-04-29 01:12:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-04-29 01:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 01:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 01:12:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 01:12:30,014 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 01:12:30,899 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 01:12:30,899 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-04-29 01:12:30,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:12:30 BoogieIcfgContainer [2021-04-29 01:12:30,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 01:12:30,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 01:12:30,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 01:12:30,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 01:12:30,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 01:12:28" (1/3) ... [2021-04-29 01:12:30,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3a20ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:12:30, skipping insertion in model container [2021-04-29 01:12:30,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 01:12:29" (2/3) ... [2021-04-29 01:12:30,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3a20ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 01:12:30, skipping insertion in model container [2021-04-29 01:12:30,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 01:12:30" (3/3) ... [2021-04-29 01:12:30,913 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-04-29 01:12:30,921 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 01:12:30,926 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-04-29 01:12:30,927 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 01:12:30,993 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,994 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,994 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,995 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,995 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,995 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,996 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,997 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,998 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:30,999 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,000 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,001 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,001 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,002 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,002 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,002 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,003 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,003 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,005 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,005 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,006 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,006 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,007 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,007 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,007 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,007 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,007 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,008 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,008 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,008 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,008 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,009 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,010 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,010 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,010 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,012 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,012 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,013 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,013 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,013 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,013 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,013 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,014 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,014 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,014 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,014 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,014 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,015 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,015 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,016 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,017 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,018 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,019 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,020 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,020 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,021 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,021 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,022 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,023 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,023 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,024 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,025 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,025 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,030 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,030 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,031 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,037 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,037 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,038 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,039 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,039 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,039 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,040 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,043 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,043 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,044 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,044 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,045 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,050 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,050 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,051 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,051 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,052 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 01:12:31,066 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-04-29 01:12:31,089 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-04-29 01:12:31,116 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 01:12:31,116 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 01:12:31,117 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 01:12:31,117 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 01:12:31,117 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 01:12:31,117 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 01:12:31,117 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 01:12:31,117 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 01:12:31,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-04-29 01:12:31,235 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-04-29 01:12:31,236 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 01:12:31,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 11/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 407 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-04-29 01:12:31,242 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 350 flow [2021-04-29 01:12:31,261 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 152 transitions, 322 flow [2021-04-29 01:12:31,263 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:12:31,280 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 152 transitions, 322 flow [2021-04-29 01:12:31,284 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 152 transitions, 322 flow [2021-04-29 01:12:31,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 152 transitions, 322 flow [2021-04-29 01:12:31,326 INFO L129 PetriNetUnfolder]: 8/185 cut-off events. [2021-04-29 01:12:31,326 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 01:12:31,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 185 events. 8/185 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 343 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-04-29 01:12:31,333 INFO L146 LiptonReduction]: Number of co-enabled transitions 2288 [2021-04-29 01:13:31,563 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 01:13:34,267 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 01:13:34,455 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 01:13:34,700 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-04-29 01:13:34,970 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2021-04-29 01:13:35,426 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 01:13:35,619 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-04-29 01:13:38,664 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 01:13:38,788 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 01:13:38,900 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 01:13:39,010 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 01:13:39,214 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:39,328 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:39,443 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:39,988 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:40,111 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:40,237 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:40,369 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:40,489 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:40,702 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:40,811 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:43,244 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:43,549 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:44,113 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:44,415 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:44,708 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:45,004 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:45,310 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:45,602 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-04-29 01:13:45,714 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 01:13:45,904 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2021-04-29 01:13:46,173 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2021-04-29 01:13:49,261 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 01:13:49,793 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:49,908 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:50,017 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:50,131 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:13:50,255 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:50,373 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:50,487 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:50,595 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:50,709 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:50,817 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:50,931 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:51,044 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:51,172 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:51,293 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:51,408 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:51,528 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:13:51,792 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-04-29 01:13:51,951 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 01:13:52,252 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-04-29 01:13:52,358 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 01:13:52,605 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-04-29 01:13:52,725 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:52,970 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-04-29 01:13:53,096 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:53,319 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-04-29 01:13:53,429 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:13:53,665 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2021-04-29 01:13:53,785 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:13:54,175 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-29 01:13:54,374 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2021-04-29 01:13:54,964 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-04-29 01:13:55,086 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:55,350 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-04-29 01:13:55,480 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:13:55,865 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 01:13:56,027 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:13:56,352 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 01:13:56,495 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:13:57,275 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 137 [2021-04-29 01:13:57,601 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-04-29 01:13:58,341 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 137 [2021-04-29 01:13:58,666 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-04-29 01:13:59,230 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-29 01:13:59,487 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-29 01:14:00,112 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2021-04-29 01:14:00,410 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2021-04-29 01:14:00,717 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-04-29 01:14:00,859 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:14:01,165 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-04-29 01:14:01,302 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:14:01,664 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-04-29 01:14:01,836 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 01:14:02,188 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-04-29 01:14:02,349 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-29 01:14:02,469 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:14:02,589 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:14:02,704 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:14:02,819 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:14:02,926 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,031 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,136 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,242 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,352 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,458 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,563 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:03,668 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:04,055 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-29 01:14:04,235 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:14:04,603 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-29 01:14:04,797 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-29 01:14:05,134 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 01:14:05,283 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:14:05,627 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 01:14:05,777 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:14:06,663 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-04-29 01:14:07,059 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-04-29 01:14:07,981 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2021-04-29 01:14:08,430 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-04-29 01:14:08,537 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:08,648 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:08,753 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:08,860 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:08,973 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:09,080 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:09,189 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:09,304 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:09,407 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 01:14:09,509 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 01:14:09,618 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 01:14:09,726 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 01:14:10,583 WARN L205 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2021-04-29 01:14:10,965 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-04-29 01:14:11,846 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2021-04-29 01:14:12,274 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-04-29 01:14:12,381 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:12,496 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:12,607 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:12,720 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:12,833 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:12,935 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:13,046 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:13,154 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:13,357 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 01:14:13,662 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:13,768 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:13,876 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:13,985 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:14:14,331 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 01:14:14,486 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:14:14,838 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2021-04-29 01:14:14,986 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 01:14:15,915 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2021-04-29 01:14:16,331 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-04-29 01:14:17,136 WARN L205 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2021-04-29 01:14:17,539 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-04-29 01:14:19,202 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:19,323 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:14:19,458 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:19,577 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:14:19,700 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-29 01:14:19,810 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-29 01:14:19,930 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-29 01:14:20,043 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-29 01:14:20,181 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:20,307 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:14:20,432 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:20,559 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:14:21,018 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:21,135 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:14:21,268 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:21,379 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:14:21,534 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:21,682 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:21,818 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:21,949 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:22,084 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:14:22,212 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:14:22,353 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:14:22,486 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 01:14:22,733 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 01:14:22,869 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 01:14:23,223 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-04-29 01:14:23,384 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:23,532 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:14:23,660 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:24,019 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-04-29 01:14:24,170 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 01:14:24,345 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:14:24,500 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 01:14:24,890 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-04-29 01:14:25,068 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:14:25,457 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-04-29 01:14:25,622 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:14:26,063 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-04-29 01:14:26,262 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:14:26,678 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-29 01:14:26,885 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-04-29 01:14:27,351 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 115 [2021-04-29 01:14:27,565 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 01:14:27,933 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-04-29 01:14:28,149 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:28,669 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2021-04-29 01:14:28,896 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:14:29,237 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-04-29 01:14:29,382 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:29,805 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2021-04-29 01:14:29,975 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:30,390 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-04-29 01:14:30,560 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:31,017 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-04-29 01:14:31,219 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:14:32,188 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-29 01:14:32,453 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 01:14:33,241 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2021-04-29 01:14:33,622 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-29 01:14:33,967 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-04-29 01:14:34,118 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:34,548 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2021-04-29 01:14:34,719 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:34,867 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-29 01:14:34,996 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:35,347 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2021-04-29 01:14:35,509 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 01:14:35,954 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-29 01:14:36,139 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:14:36,705 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2021-04-29 01:14:36,931 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:14:37,339 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-04-29 01:14:37,497 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:37,928 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-04-29 01:14:38,113 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:14:38,468 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-04-29 01:14:38,640 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:39,091 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2021-04-29 01:14:39,280 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:14:39,415 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:39,546 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:39,880 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-04-29 01:14:40,027 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-29 01:14:40,192 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:14:40,351 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:40,728 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-04-29 01:14:40,918 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-29 01:14:41,273 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2021-04-29 01:14:41,435 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:41,897 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2021-04-29 01:14:42,077 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:14:42,535 WARN L205 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2021-04-29 01:14:42,688 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-04-29 01:14:43,218 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 113 [2021-04-29 01:14:43,417 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-04-29 01:14:43,675 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:14:43,927 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:44,175 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 01:14:44,411 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:14:44,569 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:44,717 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:44,871 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:45,025 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:45,194 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:45,338 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:45,489 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:45,633 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:45,884 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:46,121 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:46,373 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:46,578 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:46,734 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:46,885 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:47,034 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:47,176 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:47,685 WARN L205 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:14:48,195 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:14:48,708 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:14:49,294 WARN L205 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:14:49,464 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:14:49,618 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:49,793 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-04-29 01:14:49,965 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:50,128 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:50,281 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:50,428 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:50,577 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:50,735 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:50,885 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:51,054 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:51,209 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:51,755 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-04-29 01:14:52,262 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-04-29 01:14:52,876 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-04-29 01:14:53,398 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-04-29 01:14:53,631 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:53,879 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:54,118 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:54,331 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:54,509 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:54,672 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:54,828 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:54,980 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:55,145 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:55,285 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:55,448 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:55,607 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:14:55,837 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:56,057 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:14:56,283 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 01:14:56,493 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 01:14:56,756 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:57,081 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:57,349 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 01:14:57,590 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 01:14:57,857 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:14:58,112 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:14:58,400 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-29 01:14:58,679 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 01:14:58,856 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:59,016 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:59,190 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:14:59,340 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:14:59,907 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:15:00,379 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:15:00,921 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:15:01,406 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:15:01,808 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-04-29 01:15:02,206 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-29 01:15:02,586 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2021-04-29 01:15:02,929 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-29 01:15:03,435 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-04-29 01:15:04,086 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-04-29 01:15:04,788 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-04-29 01:15:05,449 WARN L205 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-04-29 01:15:05,692 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:15:05,885 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:15:06,094 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 01:15:06,267 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 01:15:06,440 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:15:06,600 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:15:06,809 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-29 01:15:06,979 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 01:15:08,334 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-04-29 01:15:08,894 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:15:10,563 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2021-04-29 01:15:11,357 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-04-29 01:15:12,707 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:15:13,305 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:15:14,708 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2021-04-29 01:15:15,400 WARN L205 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-04-29 01:15:16,817 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2021-04-29 01:15:17,595 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-04-29 01:15:19,053 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2021-04-29 01:15:19,820 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-04-29 01:15:20,969 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:15:21,565 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:15:22,904 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:15:23,512 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:15:24,838 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2021-04-29 01:15:25,450 WARN L205 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-04-29 01:15:26,746 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-04-29 01:15:27,373 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-04-29 01:15:29,106 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:15:29,762 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:15:31,599 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-04-29 01:15:32,291 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:15:36,403 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2021-04-29 01:15:38,182 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 157 [2021-04-29 01:15:42,238 WARN L205 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 174 DAG size of output: 171 [2021-04-29 01:15:44,422 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 163 [2021-04-29 01:15:45,809 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:15:46,500 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:15:47,984 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2021-04-29 01:15:48,778 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-04-29 01:15:50,252 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:15:51,013 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:15:52,247 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2021-04-29 01:15:52,961 WARN L205 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-04-29 01:15:54,507 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:15:55,417 WARN L205 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:15:57,024 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2021-04-29 01:15:57,779 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2021-04-29 01:15:59,308 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:16:00,041 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:16:01,493 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:16:02,157 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:16:04,147 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-04-29 01:16:05,019 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:16:07,185 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2021-04-29 01:16:08,149 WARN L205 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-04-29 01:16:10,036 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-04-29 01:16:10,862 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:16:12,645 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2021-04-29 01:16:13,546 WARN L205 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:16:15,294 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-04-29 01:16:16,122 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-04-29 01:16:17,922 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2021-04-29 01:16:18,764 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-04-29 01:16:20,665 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-04-29 01:16:21,532 WARN L205 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-04-29 01:16:23,309 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2021-04-29 01:16:24,347 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 154 [2021-04-29 01:16:25,943 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-04-29 01:16:26,691 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-04-29 01:16:28,308 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-04-29 01:16:29,110 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-04-29 01:16:31,024 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:16:31,859 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:16:34,113 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2021-04-29 01:16:35,162 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 146 [2021-04-29 01:16:37,156 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2021-04-29 01:16:38,083 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2021-04-29 01:16:40,478 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2021-04-29 01:16:41,582 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 150 [2021-04-29 01:16:43,832 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-04-29 01:16:44,882 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 148 [2021-04-29 01:16:47,066 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 161 DAG size of output: 158 [2021-04-29 01:16:48,115 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 154 [2021-04-29 01:16:50,320 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2021-04-29 01:16:51,312 WARN L205 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-04-29 01:16:54,126 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 168 DAG size of output: 165 [2021-04-29 01:16:55,456 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 161 [2021-04-29 01:16:57,845 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-04-29 01:16:58,940 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 144 [2021-04-29 01:17:01,593 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2021-04-29 01:17:02,748 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 147 [2021-04-29 01:17:04,536 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-04-29 01:17:05,383 WARN L205 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-04-29 01:17:07,238 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2021-04-29 01:17:08,127 WARN L205 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2021-04-29 01:17:09,179 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-04-29 01:17:09,673 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:17:10,728 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-04-29 01:17:11,230 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:17:12,334 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-04-29 01:17:12,864 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:17:13,922 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-04-29 01:17:14,461 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 01:17:16,393 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:17:17,343 WARN L205 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:17:19,379 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:17:20,355 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:17:23,047 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2021-04-29 01:17:24,323 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 142 [2021-04-29 01:17:27,226 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 155 DAG size of output: 152 [2021-04-29 01:17:28,460 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 148 [2021-04-29 01:17:28,542 INFO L158 LiptonReduction]: Checked pairs total: 23171 [2021-04-29 01:17:28,542 INFO L160 LiptonReduction]: Total number of compositions: 456 [2021-04-29 01:17:28,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297289 [2021-04-29 01:17:28,566 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-04-29 01:17:28,566 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:17:28,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:17:28,567 INFO L263 CegarLoopForPetriNet]: trace histogram [1] [2021-04-29 01:17:28,568 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:17:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:17:28,574 INFO L82 PathProgramCache]: Analyzing trace with hash 860, now seen corresponding path program 1 times [2021-04-29 01:17:28,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:17:28,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997830399] [2021-04-29 01:17:28,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:17:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:17:28,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:17:28,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997830399] [2021-04-29 01:17:28,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:17:28,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-04-29 01:17:28,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386245177] [2021-04-29 01:17:28,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-29 01:17:28,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:17:28,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-29 01:17:28,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-29 01:17:28,997 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 551 out of 620 [2021-04-29 01:17:29,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 191 transitions, 400 flow. Second operand has 2 states, 2 states have (on average 551.5) internal successors, (1103), 2 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:29,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:17:29,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 551 of 620 [2021-04-29 01:17:29,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:17:29,081 INFO L129 PetriNetUnfolder]: 2/219 cut-off events. [2021-04-29 01:17:29,081 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 01:17:29,083 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 219 events. 2/219 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 1524 event pairs, 0 based on Foata normal form. 4/37 useless extension candidates. Maximal degree in co-relation 227. Up to 3 conditions per place. [2021-04-29 01:17:29,086 INFO L132 encePairwiseOnDemand]: 608/620 looper letters, 0 selfloop transitions, 0 changer transitions 129/179 dead transitions. [2021-04-29 01:17:29,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 179 transitions, 376 flow [2021-04-29 01:17:29,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-29 01:17:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-04-29 01:17:29,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1114 transitions. [2021-04-29 01:17:29,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8983870967741936 [2021-04-29 01:17:29,122 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1114 transitions. [2021-04-29 01:17:29,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1114 transitions. [2021-04-29 01:17:29,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:17:29,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1114 transitions. [2021-04-29 01:17:29,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 557.0) internal successors, (1114), 2 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:29,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 620.0) internal successors, (1860), 3 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:29,155 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 620.0) internal successors, (1860), 3 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:29,158 INFO L185 Difference]: Start difference. First operand has 194 places, 191 transitions, 400 flow. Second operand 2 states and 1114 transitions. [2021-04-29 01:17:29,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 179 transitions, 376 flow [2021-04-29 01:17:29,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 179 transitions, 364 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 01:17:29,170 INFO L241 Difference]: Finished difference. Result has 179 places, 50 transitions, 106 flow [2021-04-29 01:17:29,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=620, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=106, PETRI_PLACES=179, PETRI_TRANSITIONS=50} [2021-04-29 01:17:29,174 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -15 predicate places. [2021-04-29 01:17:29,174 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:17:29,174 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 50 transitions, 106 flow [2021-04-29 01:17:29,175 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 50 transitions, 106 flow [2021-04-29 01:17:29,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 50 transitions, 106 flow [2021-04-29 01:17:29,184 INFO L129 PetriNetUnfolder]: 2/58 cut-off events. [2021-04-29 01:17:29,184 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:17:29,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 58 events. 2/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 186 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 01:17:29,186 INFO L146 LiptonReduction]: Number of co-enabled transitions 1008 [2021-04-29 01:17:48,628 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 01:17:48,738 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 01:17:48,941 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 01:17:49,116 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:17:49,125 INFO L158 LiptonReduction]: Checked pairs total: 2016 [2021-04-29 01:17:49,125 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:17:49,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19951 [2021-04-29 01:17:49,128 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 50 transitions, 106 flow [2021-04-29 01:17:49,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 551.5) internal successors, (1103), 2 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:49,130 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:17:49,130 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-04-29 01:17:49,130 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 01:17:49,131 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:17:49,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:17:49,132 INFO L82 PathProgramCache]: Analyzing trace with hash 26217751, now seen corresponding path program 1 times [2021-04-29 01:17:49,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:17:49,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279770399] [2021-04-29 01:17:49,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:17:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:17:49,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:17:49,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:17:49,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:17:49,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:17:49,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:17:49,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:17:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:17:49,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279770399] [2021-04-29 01:17:49,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:17:49,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 01:17:49,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191681817] [2021-04-29 01:17:49,386 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 01:17:49,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:17:49,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 01:17:49,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 01:17:49,392 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 621 [2021-04-29 01:17:49,393 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 50 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:49,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:17:49,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 621 [2021-04-29 01:17:49,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:17:49,841 INFO L129 PetriNetUnfolder]: 404/874 cut-off events. [2021-04-29 01:17:49,841 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:17:49,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1586 conditions, 874 events. 404/874 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 5362 event pairs, 160 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 195. Up to 539 conditions per place. [2021-04-29 01:17:49,852 INFO L132 encePairwiseOnDemand]: 611/621 looper letters, 24 selfloop transitions, 9 changer transitions 1/61 dead transitions. [2021-04-29 01:17:49,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 61 transitions, 196 flow [2021-04-29 01:17:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 01:17:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 01:17:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 725 transitions. [2021-04-29 01:17:49,859 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38915727321524424 [2021-04-29 01:17:49,859 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 725 transitions. [2021-04-29 01:17:49,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 725 transitions. [2021-04-29 01:17:49,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:17:49,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 725 transitions. [2021-04-29 01:17:49,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.66666666666666) internal successors, (725), 3 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:49,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:49,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:49,872 INFO L185 Difference]: Start difference. First operand has 49 places, 50 transitions, 106 flow. Second operand 3 states and 725 transitions. [2021-04-29 01:17:49,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 61 transitions, 196 flow [2021-04-29 01:17:49,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 61 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 01:17:49,876 INFO L241 Difference]: Finished difference. Result has 53 places, 56 transitions, 170 flow [2021-04-29 01:17:49,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=621, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=53, PETRI_TRANSITIONS=56} [2021-04-29 01:17:49,877 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -141 predicate places. [2021-04-29 01:17:49,877 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:17:49,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 56 transitions, 170 flow [2021-04-29 01:17:49,878 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 56 transitions, 170 flow [2021-04-29 01:17:49,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 56 transitions, 170 flow [2021-04-29 01:17:49,922 INFO L129 PetriNetUnfolder]: 110/350 cut-off events. [2021-04-29 01:17:49,922 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-04-29 01:17:49,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 350 events. 110/350 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2151 event pairs, 46 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 128. Up to 154 conditions per place. [2021-04-29 01:17:49,928 INFO L146 LiptonReduction]: Number of co-enabled transitions 1154 [2021-04-29 01:17:58,429 INFO L158 LiptonReduction]: Checked pairs total: 574 [2021-04-29 01:17:58,429 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:17:58,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8552 [2021-04-29 01:17:58,431 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 56 transitions, 170 flow [2021-04-29 01:17:58,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:58,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:17:58,433 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 01:17:58,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 01:17:58,433 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:17:58,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:17:58,434 INFO L82 PathProgramCache]: Analyzing trace with hash 812751955, now seen corresponding path program 1 times [2021-04-29 01:17:58,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:17:58,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252191688] [2021-04-29 01:17:58,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:17:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:17:58,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:17:58,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:17:58,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:17:58,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-29 01:17:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:17:58,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252191688] [2021-04-29 01:17:58,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:17:58,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 01:17:58,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590275989] [2021-04-29 01:17:58,528 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 01:17:58,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:17:58,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 01:17:58,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 01:17:58,531 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 621 [2021-04-29 01:17:58,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 56 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:58,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:17:58,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 621 [2021-04-29 01:17:58,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:17:58,994 INFO L129 PetriNetUnfolder]: 492/1001 cut-off events. [2021-04-29 01:17:58,995 INFO L130 PetriNetUnfolder]: For 320/320 co-relation queries the response was YES. [2021-04-29 01:17:58,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2659 conditions, 1001 events. 492/1001 cut-off events. For 320/320 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6044 event pairs, 194 based on Foata normal form. 26/787 useless extension candidates. Maximal degree in co-relation 471. Up to 701 conditions per place. [2021-04-29 01:17:59,006 INFO L132 encePairwiseOnDemand]: 613/621 looper letters, 30 selfloop transitions, 13 changer transitions 2/72 dead transitions. [2021-04-29 01:17:59,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 72 transitions, 334 flow [2021-04-29 01:17:59,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 01:17:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 01:17:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 723 transitions. [2021-04-29 01:17:59,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.38808373590982287 [2021-04-29 01:17:59,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 723 transitions. [2021-04-29 01:17:59,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 723 transitions. [2021-04-29 01:17:59,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:17:59,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 723 transitions. [2021-04-29 01:17:59,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:59,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:59,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 621.0) internal successors, (2484), 4 states have internal predecessors, (2484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:17:59,026 INFO L185 Difference]: Start difference. First operand has 52 places, 56 transitions, 170 flow. Second operand 3 states and 723 transitions. [2021-04-29 01:17:59,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 72 transitions, 334 flow [2021-04-29 01:17:59,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 72 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 01:17:59,038 INFO L241 Difference]: Finished difference. Result has 53 places, 66 transitions, 259 flow [2021-04-29 01:17:59,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=621, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=259, PETRI_PLACES=53, PETRI_TRANSITIONS=66} [2021-04-29 01:17:59,039 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -141 predicate places. [2021-04-29 01:17:59,039 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:17:59,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 66 transitions, 259 flow [2021-04-29 01:17:59,041 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 66 transitions, 259 flow [2021-04-29 01:17:59,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 66 transitions, 259 flow [2021-04-29 01:17:59,132 INFO L129 PetriNetUnfolder]: 250/574 cut-off events. [2021-04-29 01:17:59,133 INFO L130 PetriNetUnfolder]: For 186/188 co-relation queries the response was YES. [2021-04-29 01:17:59,134 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1413 conditions, 574 events. 250/574 cut-off events. For 186/188 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3464 event pairs, 58 based on Foata normal form. 0/381 useless extension candidates. Maximal degree in co-relation 323. Up to 325 conditions per place. [2021-04-29 01:17:59,143 INFO L146 LiptonReduction]: Number of co-enabled transitions 1342 [2021-04-29 01:17:59,373 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-04-29 01:17:59,481 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 01:17:59,702 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2021-04-29 01:17:59,814 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 01:18:00,258 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 01:18:02,578 INFO L158 LiptonReduction]: Checked pairs total: 1900 [2021-04-29 01:18:02,579 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-29 01:18:02,579 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3540 [2021-04-29 01:18:02,581 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 267 flow [2021-04-29 01:18:02,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:02,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:02,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:02,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 01:18:02,583 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:02,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1619542323, now seen corresponding path program 1 times [2021-04-29 01:18:02,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:02,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859448213] [2021-04-29 01:18:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:02,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:02,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:02,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:02,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 01:18:02,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:02,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:02,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859448213] [2021-04-29 01:18:02,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:02,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 01:18:02,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129759667] [2021-04-29 01:18:02,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 01:18:02,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:02,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 01:18:02,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 01:18:02,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 443 out of 624 [2021-04-29 01:18:02,686 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 267 flow. Second operand has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:02,687 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:02,687 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 443 of 624 [2021-04-29 01:18:02,687 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:02,757 INFO L129 PetriNetUnfolder]: 10/83 cut-off events. [2021-04-29 01:18:02,757 INFO L130 PetriNetUnfolder]: For 24/54 co-relation queries the response was YES. [2021-04-29 01:18:02,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 83 events. 10/83 cut-off events. For 24/54 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 331 event pairs, 9 based on Foata normal form. 30/80 useless extension candidates. Maximal degree in co-relation 136. Up to 25 conditions per place. [2021-04-29 01:18:02,758 INFO L132 encePairwiseOnDemand]: 622/624 looper letters, 2 selfloop transitions, 1 changer transitions 16/42 dead transitions. [2021-04-29 01:18:02,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 42 transitions, 120 flow [2021-04-29 01:18:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 01:18:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 01:18:02,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1333 transitions. [2021-04-29 01:18:02,769 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7120726495726496 [2021-04-29 01:18:02,769 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1333 transitions. [2021-04-29 01:18:02,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1333 transitions. [2021-04-29 01:18:02,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:02,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1333 transitions. [2021-04-29 01:18:02,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 444.3333333333333) internal successors, (1333), 3 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:02,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:02,785 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 624.0) internal successors, (2496), 4 states have internal predecessors, (2496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:02,785 INFO L185 Difference]: Start difference. First operand has 54 places, 67 transitions, 267 flow. Second operand 3 states and 1333 transitions. [2021-04-29 01:18:02,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 42 transitions, 120 flow [2021-04-29 01:18:02,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 108 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-04-29 01:18:02,787 INFO L241 Difference]: Finished difference. Result has 47 places, 26 transitions, 68 flow [2021-04-29 01:18:02,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=47, PETRI_TRANSITIONS=26} [2021-04-29 01:18:02,788 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -147 predicate places. [2021-04-29 01:18:02,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:02,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 26 transitions, 68 flow [2021-04-29 01:18:02,789 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 26 transitions, 68 flow [2021-04-29 01:18:02,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 26 transitions, 68 flow [2021-04-29 01:18:02,798 INFO L129 PetriNetUnfolder]: 5/50 cut-off events. [2021-04-29 01:18:02,798 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:18:02,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 50 events. 5/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 137 event pairs, 4 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 63. Up to 13 conditions per place. [2021-04-29 01:18:02,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 210 [2021-04-29 01:18:05,650 INFO L158 LiptonReduction]: Checked pairs total: 72 [2021-04-29 01:18:05,651 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:05,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2863 [2021-04-29 01:18:05,653 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 26 transitions, 68 flow [2021-04-29 01:18:05,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 444.0) internal successors, (1332), 3 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:05,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:05,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:05,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 01:18:05,656 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:05,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:05,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1880272958, now seen corresponding path program 1 times [2021-04-29 01:18:05,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:05,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216087055] [2021-04-29 01:18:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:05,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:05,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:18:05,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:05,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:18:05,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:05,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:18:05,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:05,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:05,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216087055] [2021-04-29 01:18:05,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:05,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 01:18:05,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721692730] [2021-04-29 01:18:05,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 01:18:05,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:05,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 01:18:05,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 01:18:06,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 624 [2021-04-29 01:18:06,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 26 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 382.25) internal successors, (1529), 4 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:06,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:06,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 624 [2021-04-29 01:18:06,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:06,196 INFO L129 PetriNetUnfolder]: 25/121 cut-off events. [2021-04-29 01:18:06,196 INFO L130 PetriNetUnfolder]: For 8/10 co-relation queries the response was YES. [2021-04-29 01:18:06,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 121 events. 25/121 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 534 event pairs, 12 based on Foata normal form. 5/108 useless extension candidates. Maximal degree in co-relation 225. Up to 47 conditions per place. [2021-04-29 01:18:06,198 INFO L132 encePairwiseOnDemand]: 617/624 looper letters, 10 selfloop transitions, 4 changer transitions 4/33 dead transitions. [2021-04-29 01:18:06,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 33 transitions, 122 flow [2021-04-29 01:18:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 01:18:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 01:18:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1539 transitions. [2021-04-29 01:18:06,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6165865384615384 [2021-04-29 01:18:06,210 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1539 transitions. [2021-04-29 01:18:06,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1539 transitions. [2021-04-29 01:18:06,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:06,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1539 transitions. [2021-04-29 01:18:06,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 384.75) internal successors, (1539), 4 states have internal predecessors, (1539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:06,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:06,229 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 624.0) internal successors, (3120), 5 states have internal predecessors, (3120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:06,229 INFO L185 Difference]: Start difference. First operand has 30 places, 26 transitions, 68 flow. Second operand 4 states and 1539 transitions. [2021-04-29 01:18:06,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 33 transitions, 122 flow [2021-04-29 01:18:06,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 33 transitions, 121 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 01:18:06,231 INFO L241 Difference]: Finished difference. Result has 33 places, 26 transitions, 84 flow [2021-04-29 01:18:06,231 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=33, PETRI_TRANSITIONS=26} [2021-04-29 01:18:06,232 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -161 predicate places. [2021-04-29 01:18:06,232 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:06,232 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 84 flow [2021-04-29 01:18:06,233 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 84 flow [2021-04-29 01:18:06,233 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 26 transitions, 84 flow [2021-04-29 01:18:06,244 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2021-04-29 01:18:06,244 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 01:18:06,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 67 events. 8/67 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 224 event pairs, 6 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 77. Up to 19 conditions per place. [2021-04-29 01:18:06,245 INFO L146 LiptonReduction]: Number of co-enabled transitions 162 [2021-04-29 01:18:06,247 INFO L158 LiptonReduction]: Checked pairs total: 43 [2021-04-29 01:18:06,247 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:06,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 01:18:06,248 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 84 flow [2021-04-29 01:18:06,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 382.25) internal successors, (1529), 4 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:06,250 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:06,250 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:06,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 01:18:06,250 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:06,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:06,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1459215678, now seen corresponding path program 2 times [2021-04-29 01:18:06,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:06,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854247232] [2021-04-29 01:18:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:06,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:06,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:06,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:06,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:18:06,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:06,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 01:18:06,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:06,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:18:06,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-29 01:18:06,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 01:18:06,633 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:18:06,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:18:06,696 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 01:18:06,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:18:06,735 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:18:06,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:18:06,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:06,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:06,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:06,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854247232] [2021-04-29 01:18:06,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:06,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 01:18:06,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924413365] [2021-04-29 01:18:06,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 01:18:06,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:06,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 01:18:06,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-04-29 01:18:06,796 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 624 [2021-04-29 01:18:06,799 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 84 flow. Second operand has 8 states, 8 states have (on average 177.25) internal successors, (1418), 8 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:06,799 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:06,800 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 624 [2021-04-29 01:18:06,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:07,543 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-04-29 01:18:07,740 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-29 01:18:08,392 INFO L129 PetriNetUnfolder]: 246/605 cut-off events. [2021-04-29 01:18:08,392 INFO L130 PetriNetUnfolder]: For 187/187 co-relation queries the response was YES. [2021-04-29 01:18:08,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1504 conditions, 605 events. 246/605 cut-off events. For 187/187 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3555 event pairs, 39 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 209. Up to 155 conditions per place. [2021-04-29 01:18:08,398 INFO L132 encePairwiseOnDemand]: 616/624 looper letters, 75 selfloop transitions, 20 changer transitions 0/100 dead transitions. [2021-04-29 01:18:08,398 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 100 transitions, 524 flow [2021-04-29 01:18:08,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 01:18:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 01:18:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1660 transitions. [2021-04-29 01:18:08,411 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2955840455840456 [2021-04-29 01:18:08,411 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1660 transitions. [2021-04-29 01:18:08,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1660 transitions. [2021-04-29 01:18:08,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:08,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1660 transitions. [2021-04-29 01:18:08,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 184.44444444444446) internal successors, (1660), 9 states have internal predecessors, (1660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:08,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 624.0) internal successors, (6240), 10 states have internal predecessors, (6240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:08,433 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 624.0) internal successors, (6240), 10 states have internal predecessors, (6240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:08,434 INFO L185 Difference]: Start difference. First operand has 31 places, 26 transitions, 84 flow. Second operand 9 states and 1660 transitions. [2021-04-29 01:18:08,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 100 transitions, 524 flow [2021-04-29 01:18:08,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 100 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 01:18:08,438 INFO L241 Difference]: Finished difference. Result has 41 places, 42 transitions, 197 flow [2021-04-29 01:18:08,438 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=197, PETRI_PLACES=41, PETRI_TRANSITIONS=42} [2021-04-29 01:18:08,439 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -153 predicate places. [2021-04-29 01:18:08,439 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:08,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 42 transitions, 197 flow [2021-04-29 01:18:08,440 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 42 transitions, 197 flow [2021-04-29 01:18:08,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 42 transitions, 197 flow [2021-04-29 01:18:08,467 INFO L129 PetriNetUnfolder]: 34/223 cut-off events. [2021-04-29 01:18:08,467 INFO L130 PetriNetUnfolder]: For 80/86 co-relation queries the response was YES. [2021-04-29 01:18:08,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 223 events. 34/223 cut-off events. For 80/86 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1409 event pairs, 11 based on Foata normal form. 1/210 useless extension candidates. Maximal degree in co-relation 191. Up to 53 conditions per place. [2021-04-29 01:18:08,470 INFO L146 LiptonReduction]: Number of co-enabled transitions 222 [2021-04-29 01:18:08,541 INFO L158 LiptonReduction]: Checked pairs total: 93 [2021-04-29 01:18:08,541 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:08,541 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 102 [2021-04-29 01:18:08,543 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 42 transitions, 197 flow [2021-04-29 01:18:08,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 177.25) internal successors, (1418), 8 states have internal predecessors, (1418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:08,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:08,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:08,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 01:18:08,545 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:08,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:08,546 INFO L82 PathProgramCache]: Analyzing trace with hash 532687224, now seen corresponding path program 1 times [2021-04-29 01:18:08,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:08,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573161239] [2021-04-29 01:18:08,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:08,877 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:18:08,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:18:08,925 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:18:08,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:18:08,968 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-04-29 01:18:08,971 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-04-29 01:18:09,110 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2021-04-29 01:18:09,114 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-04-29 01:18:09,116 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-04-29 01:18:09,141 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-04-29 01:18:09,143 INFO L147 QuantifierPusher]: treesize reduction 5, result has 84.8 percent of original size 28 [2021-04-29 01:18:09,265 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2021-04-29 01:18:09,270 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-04-29 01:18:09,275 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.6 percent of original size 43 [2021-04-29 01:18:09,406 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-04-29 01:18:09,411 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 01:18:09,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:18:09,486 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:18:09,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:18:09,559 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-04-29 01:18:09,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:18:09,637 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 01:18:09,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:18:09,699 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 01:18:09,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:18:09,708 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-04-29 01:18:09,710 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-04-29 01:18:09,837 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:18:09,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:18:09,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:09,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:09,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573161239] [2021-04-29 01:18:09,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:09,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 01:18:09,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996643300] [2021-04-29 01:18:09,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:18:09,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:09,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:18:09,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:18:10,004 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 624 [2021-04-29 01:18:10,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 42 transitions, 197 flow. Second operand has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:10,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:10,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 624 [2021-04-29 01:18:10,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:10,933 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-04-29 01:18:11,891 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2021-04-29 01:18:12,246 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2021-04-29 01:18:13,041 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-04-29 01:18:13,995 INFO L129 PetriNetUnfolder]: 347/863 cut-off events. [2021-04-29 01:18:13,996 INFO L130 PetriNetUnfolder]: For 743/743 co-relation queries the response was YES. [2021-04-29 01:18:13,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2394 conditions, 863 events. 347/863 cut-off events. For 743/743 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5599 event pairs, 75 based on Foata normal form. 1/852 useless extension candidates. Maximal degree in co-relation 982. Up to 465 conditions per place. [2021-04-29 01:18:14,006 INFO L132 encePairwiseOnDemand]: 612/624 looper letters, 79 selfloop transitions, 28 changer transitions 16/128 dead transitions. [2021-04-29 01:18:14,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 128 transitions, 850 flow [2021-04-29 01:18:14,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 01:18:14,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 01:18:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1983 transitions. [2021-04-29 01:18:14,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2888986013986014 [2021-04-29 01:18:14,024 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1983 transitions. [2021-04-29 01:18:14,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1983 transitions. [2021-04-29 01:18:14,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:14,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1983 transitions. [2021-04-29 01:18:14,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 180.27272727272728) internal successors, (1983), 11 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:14,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 624.0) internal successors, (7488), 12 states have internal predecessors, (7488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:14,054 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 624.0) internal successors, (7488), 12 states have internal predecessors, (7488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:14,054 INFO L185 Difference]: Start difference. First operand has 41 places, 42 transitions, 197 flow. Second operand 11 states and 1983 transitions. [2021-04-29 01:18:14,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 128 transitions, 850 flow [2021-04-29 01:18:14,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 128 transitions, 849 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 01:18:14,062 INFO L241 Difference]: Finished difference. Result has 59 places, 70 transitions, 515 flow [2021-04-29 01:18:14,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=515, PETRI_PLACES=59, PETRI_TRANSITIONS=70} [2021-04-29 01:18:14,062 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -135 predicate places. [2021-04-29 01:18:14,062 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:14,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 70 transitions, 515 flow [2021-04-29 01:18:14,063 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 70 transitions, 515 flow [2021-04-29 01:18:14,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 70 transitions, 515 flow [2021-04-29 01:18:14,144 INFO L129 PetriNetUnfolder]: 78/381 cut-off events. [2021-04-29 01:18:14,144 INFO L130 PetriNetUnfolder]: For 592/616 co-relation queries the response was YES. [2021-04-29 01:18:14,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1037 conditions, 381 events. 78/381 cut-off events. For 592/616 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2805 event pairs, 12 based on Foata normal form. 5/363 useless extension candidates. Maximal degree in co-relation 1016. Up to 115 conditions per place. [2021-04-29 01:18:14,151 INFO L146 LiptonReduction]: Number of co-enabled transitions 288 [2021-04-29 01:18:14,157 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:18:14,157 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:14,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-04-29 01:18:14,159 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 70 transitions, 515 flow [2021-04-29 01:18:14,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:14,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:14,161 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:14,161 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 01:18:14,162 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:14,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:14,162 INFO L82 PathProgramCache]: Analyzing trace with hash -443945408, now seen corresponding path program 1 times [2021-04-29 01:18:14,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:14,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973011827] [2021-04-29 01:18:14,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:14,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:14,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:18:14,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:14,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 01:18:14,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:14,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:18:14,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:14,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 01:18:14,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:18:14,562 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.9 percent of original size [2021-04-29 01:18:14,565 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.4 percent of original size 42 [2021-04-29 01:18:14,726 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-04-29 01:18:14,730 INFO L142 QuantifierPusher]: treesize reduction 14, result has 79.1 percent of original size [2021-04-29 01:18:14,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 01:18:14,817 INFO L142 QuantifierPusher]: treesize reduction 15, result has 75.0 percent of original size [2021-04-29 01:18:14,827 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-04-29 01:18:14,990 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-04-29 01:18:15,007 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-04-29 01:18:15,009 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-04-29 01:18:15,060 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.7 percent of original size [2021-04-29 01:18:15,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:18:15,115 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.0 percent of original size [2021-04-29 01:18:15,118 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-04-29 01:18:15,169 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-04-29 01:18:15,171 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size 26 [2021-04-29 01:18:15,322 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2021-04-29 01:18:15,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:18:15,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:15,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:18:15,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:15,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:18:15,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:15,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:15,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973011827] [2021-04-29 01:18:15,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:15,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-29 01:18:15,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194408932] [2021-04-29 01:18:15,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 01:18:15,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:15,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 01:18:15,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-04-29 01:18:15,526 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 624 [2021-04-29 01:18:15,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 70 transitions, 515 flow. Second operand has 14 states, 14 states have (on average 169.42857142857142) internal successors, (2372), 14 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:15,530 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:15,530 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 624 [2021-04-29 01:18:15,530 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:16,902 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-04-29 01:18:17,054 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2021-04-29 01:18:17,675 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 42 [2021-04-29 01:18:18,356 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2021-04-29 01:18:19,209 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2021-04-29 01:18:19,555 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2021-04-29 01:18:20,108 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 34 [2021-04-29 01:18:20,351 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-04-29 01:18:20,587 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 31 [2021-04-29 01:18:21,180 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 45 [2021-04-29 01:18:21,722 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2021-04-29 01:18:22,445 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2021-04-29 01:18:22,891 INFO L129 PetriNetUnfolder]: 714/1646 cut-off events. [2021-04-29 01:18:22,891 INFO L130 PetriNetUnfolder]: For 4517/4517 co-relation queries the response was YES. [2021-04-29 01:18:22,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6265 conditions, 1646 events. 714/1646 cut-off events. For 4517/4517 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11564 event pairs, 147 based on Foata normal form. 8/1644 useless extension candidates. Maximal degree in co-relation 6227. Up to 673 conditions per place. [2021-04-29 01:18:22,918 INFO L132 encePairwiseOnDemand]: 606/624 looper letters, 146 selfloop transitions, 105 changer transitions 32/284 dead transitions. [2021-04-29 01:18:22,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 284 transitions, 2733 flow [2021-04-29 01:18:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-04-29 01:18:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-04-29 01:18:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 4005 transitions. [2021-04-29 01:18:22,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2790551839464883 [2021-04-29 01:18:22,939 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 4005 transitions. [2021-04-29 01:18:22,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 4005 transitions. [2021-04-29 01:18:22,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:22,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 4005 transitions. [2021-04-29 01:18:22,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 174.1304347826087) internal successors, (4005), 23 states have internal predecessors, (4005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:22,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 624.0) internal successors, (14976), 24 states have internal predecessors, (14976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:22,995 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 624.0) internal successors, (14976), 24 states have internal predecessors, (14976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:22,995 INFO L185 Difference]: Start difference. First operand has 56 places, 70 transitions, 515 flow. Second operand 23 states and 4005 transitions. [2021-04-29 01:18:22,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 284 transitions, 2733 flow [2021-04-29 01:18:23,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 284 transitions, 2601 flow, removed 66 selfloop flow, removed 3 redundant places. [2021-04-29 01:18:23,024 INFO L241 Difference]: Finished difference. Result has 85 places, 157 transitions, 1509 flow [2021-04-29 01:18:23,024 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1509, PETRI_PLACES=85, PETRI_TRANSITIONS=157} [2021-04-29 01:18:23,025 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -109 predicate places. [2021-04-29 01:18:23,025 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:23,025 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 157 transitions, 1509 flow [2021-04-29 01:18:23,025 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 157 transitions, 1509 flow [2021-04-29 01:18:23,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 157 transitions, 1509 flow [2021-04-29 01:18:23,165 INFO L129 PetriNetUnfolder]: 205/753 cut-off events. [2021-04-29 01:18:23,165 INFO L130 PetriNetUnfolder]: For 2650/2737 co-relation queries the response was YES. [2021-04-29 01:18:23,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2911 conditions, 753 events. 205/753 cut-off events. For 2650/2737 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6056 event pairs, 17 based on Foata normal form. 21/758 useless extension candidates. Maximal degree in co-relation 2800. Up to 209 conditions per place. [2021-04-29 01:18:23,179 INFO L146 LiptonReduction]: Number of co-enabled transitions 430 [2021-04-29 01:18:23,218 INFO L158 LiptonReduction]: Checked pairs total: 680 [2021-04-29 01:18:23,219 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:23,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-04-29 01:18:23,220 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 157 transitions, 1509 flow [2021-04-29 01:18:23,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 169.42857142857142) internal successors, (2372), 14 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:23,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:23,223 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:23,223 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 01:18:23,223 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:23,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:23,224 INFO L82 PathProgramCache]: Analyzing trace with hash 540612234, now seen corresponding path program 2 times [2021-04-29 01:18:23,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:23,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211784295] [2021-04-29 01:18:23,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:23,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:18:23,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 01:18:23,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 01:18:23,688 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-29 01:18:23,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 01:18:23,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 01:18:23,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 01:18:23,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:23,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 01:18:24,097 INFO L142 QuantifierPusher]: treesize reduction 9, result has 85.5 percent of original size [2021-04-29 01:18:24,101 INFO L147 QuantifierPusher]: treesize reduction 5, result has 90.6 percent of original size 48 [2021-04-29 01:18:24,280 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-04-29 01:18:24,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.8 percent of original size [2021-04-29 01:18:24,287 INFO L147 QuantifierPusher]: treesize reduction 5, result has 92.3 percent of original size 60 [2021-04-29 01:18:24,334 INFO L142 QuantifierPusher]: treesize reduction 18, result has 67.9 percent of original size [2021-04-29 01:18:24,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 01:18:24,442 INFO L142 QuantifierPusher]: treesize reduction 18, result has 59.1 percent of original size [2021-04-29 01:18:24,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 01:18:24,487 INFO L142 QuantifierPusher]: treesize reduction 18, result has 55.0 percent of original size [2021-04-29 01:18:24,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:18:24,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:24,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:18:24,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:24,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:18:24,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:24,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:18:24,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:24,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:18:24,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:24,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:24,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211784295] [2021-04-29 01:18:24,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:24,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-29 01:18:24,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403647279] [2021-04-29 01:18:24,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 01:18:24,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 01:18:24,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-04-29 01:18:24,790 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 624 [2021-04-29 01:18:24,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 157 transitions, 1509 flow. Second operand has 14 states, 14 states have (on average 168.42857142857142) internal successors, (2358), 14 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:24,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:24,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 624 [2021-04-29 01:18:24,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:25,524 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2021-04-29 01:18:26,064 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2021-04-29 01:18:26,913 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2021-04-29 01:18:27,389 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-04-29 01:18:28,645 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2021-04-29 01:18:29,431 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2021-04-29 01:18:29,941 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-29 01:18:31,392 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-04-29 01:18:32,218 INFO L129 PetriNetUnfolder]: 883/1971 cut-off events. [2021-04-29 01:18:32,219 INFO L130 PetriNetUnfolder]: For 9143/9143 co-relation queries the response was YES. [2021-04-29 01:18:32,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9194 conditions, 1971 events. 883/1971 cut-off events. For 9143/9143 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 14018 event pairs, 230 based on Foata normal form. 3/1964 useless extension candidates. Maximal degree in co-relation 9071. Up to 1320 conditions per place. [2021-04-29 01:18:32,254 INFO L132 encePairwiseOnDemand]: 613/624 looper letters, 210 selfloop transitions, 67 changer transitions 24/302 dead transitions. [2021-04-29 01:18:32,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 302 transitions, 3374 flow [2021-04-29 01:18:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-04-29 01:18:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-04-29 01:18:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2617 transitions. [2021-04-29 01:18:32,269 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2795940170940171 [2021-04-29 01:18:32,270 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2617 transitions. [2021-04-29 01:18:32,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2617 transitions. [2021-04-29 01:18:32,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:32,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2617 transitions. [2021-04-29 01:18:32,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 174.46666666666667) internal successors, (2617), 15 states have internal predecessors, (2617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:32,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 624.0) internal successors, (9984), 16 states have internal predecessors, (9984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:32,302 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 624.0) internal successors, (9984), 16 states have internal predecessors, (9984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:32,302 INFO L185 Difference]: Start difference. First operand has 82 places, 157 transitions, 1509 flow. Second operand 15 states and 2617 transitions. [2021-04-29 01:18:32,302 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 302 transitions, 3374 flow [2021-04-29 01:18:32,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 302 transitions, 3227 flow, removed 58 selfloop flow, removed 3 redundant places. [2021-04-29 01:18:32,359 INFO L241 Difference]: Finished difference. Result has 102 places, 196 transitions, 2028 flow [2021-04-29 01:18:32,359 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=1386, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2028, PETRI_PLACES=102, PETRI_TRANSITIONS=196} [2021-04-29 01:18:32,360 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -92 predicate places. [2021-04-29 01:18:32,360 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:32,360 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 196 transitions, 2028 flow [2021-04-29 01:18:32,360 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 196 transitions, 2028 flow [2021-04-29 01:18:32,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 196 transitions, 2028 flow [2021-04-29 01:18:32,516 INFO L129 PetriNetUnfolder]: 279/975 cut-off events. [2021-04-29 01:18:32,516 INFO L130 PetriNetUnfolder]: For 4612/4735 co-relation queries the response was YES. [2021-04-29 01:18:32,525 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4102 conditions, 975 events. 279/975 cut-off events. For 4612/4735 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 8237 event pairs, 20 based on Foata normal form. 29/975 useless extension candidates. Maximal degree in co-relation 4012. Up to 256 conditions per place. [2021-04-29 01:18:32,539 INFO L146 LiptonReduction]: Number of co-enabled transitions 526 [2021-04-29 01:18:32,602 INFO L158 LiptonReduction]: Checked pairs total: 820 [2021-04-29 01:18:32,602 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:32,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 242 [2021-04-29 01:18:32,604 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 196 transitions, 2028 flow [2021-04-29 01:18:32,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 168.42857142857142) internal successors, (2358), 14 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:32,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:32,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:32,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 01:18:32,606 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:32,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:32,606 INFO L82 PathProgramCache]: Analyzing trace with hash 517114890, now seen corresponding path program 3 times [2021-04-29 01:18:32,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:32,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792194269] [2021-04-29 01:18:32,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:32,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:32,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 01:18:32,966 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-04-29 01:18:32,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:32,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-29 01:18:33,170 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-04-29 01:18:33,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:33,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 01:18:33,374 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-04-29 01:18:33,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:33,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-04-29 01:18:33,737 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2021-04-29 01:18:33,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:33,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-29 01:18:33,882 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-04-29 01:18:33,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:33,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-29 01:18:34,056 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2021-04-29 01:18:34,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 01:18:34,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 01:18:34,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:18:34,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 01:18:34,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 01:18:34,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 01:18:34,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:18:34,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:18:34,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:18:34,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:18:34,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:34,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:34,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792194269] [2021-04-29 01:18:34,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:34,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-29 01:18:34,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617771301] [2021-04-29 01:18:34,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 01:18:34,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:34,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 01:18:34,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-04-29 01:18:34,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 624 [2021-04-29 01:18:34,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 196 transitions, 2028 flow. Second operand has 14 states, 14 states have (on average 168.42857142857142) internal successors, (2358), 14 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:34,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:34,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 624 [2021-04-29 01:18:34,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:35,611 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2021-04-29 01:18:36,038 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2021-04-29 01:18:36,611 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 44 [2021-04-29 01:18:36,931 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2021-04-29 01:18:37,597 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 49 [2021-04-29 01:18:38,214 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 51 [2021-04-29 01:18:38,607 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2021-04-29 01:18:39,221 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2021-04-29 01:18:39,940 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 56 [2021-04-29 01:18:40,774 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 56 [2021-04-29 01:18:41,481 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2021-04-29 01:18:42,295 WARN L205 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2021-04-29 01:18:42,500 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2021-04-29 01:18:43,476 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 61 [2021-04-29 01:18:44,106 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-04-29 01:18:44,961 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 65 [2021-04-29 01:18:45,791 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2021-04-29 01:18:46,604 WARN L205 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-04-29 01:18:48,301 INFO L129 PetriNetUnfolder]: 999/2204 cut-off events. [2021-04-29 01:18:48,301 INFO L130 PetriNetUnfolder]: For 12771/12771 co-relation queries the response was YES. [2021-04-29 01:18:48,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11145 conditions, 2204 events. 999/2204 cut-off events. For 12771/12771 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 15896 event pairs, 295 based on Foata normal form. 2/2196 useless extension candidates. Maximal degree in co-relation 11065. Up to 1715 conditions per place. [2021-04-29 01:18:48,341 INFO L132 encePairwiseOnDemand]: 609/624 looper letters, 219 selfloop transitions, 132 changer transitions 19/371 dead transitions. [2021-04-29 01:18:48,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 371 transitions, 4563 flow [2021-04-29 01:18:48,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 01:18:48,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 01:18:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 4998 transitions. [2021-04-29 01:18:48,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27619363395225466 [2021-04-29 01:18:48,368 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 4998 transitions. [2021-04-29 01:18:48,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 4998 transitions. [2021-04-29 01:18:48,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:48,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 4998 transitions. [2021-04-29 01:18:48,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 172.3448275862069) internal successors, (4998), 29 states have internal predecessors, (4998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:48,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 624.0) internal successors, (18720), 30 states have internal predecessors, (18720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:48,422 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 624.0) internal successors, (18720), 30 states have internal predecessors, (18720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:48,422 INFO L185 Difference]: Start difference. First operand has 99 places, 196 transitions, 2028 flow. Second operand 29 states and 4998 transitions. [2021-04-29 01:18:48,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 371 transitions, 4563 flow [2021-04-29 01:18:48,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 371 transitions, 4475 flow, removed 40 selfloop flow, removed 3 redundant places. [2021-04-29 01:18:48,508 INFO L241 Difference]: Finished difference. Result has 136 places, 293 transitions, 3653 flow [2021-04-29 01:18:48,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=1978, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=3653, PETRI_PLACES=136, PETRI_TRANSITIONS=293} [2021-04-29 01:18:48,509 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -58 predicate places. [2021-04-29 01:18:48,509 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:48,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 293 transitions, 3653 flow [2021-04-29 01:18:48,510 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 293 transitions, 3653 flow [2021-04-29 01:18:48,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 293 transitions, 3653 flow [2021-04-29 01:18:48,744 INFO L129 PetriNetUnfolder]: 342/1155 cut-off events. [2021-04-29 01:18:48,745 INFO L130 PetriNetUnfolder]: For 6783/6920 co-relation queries the response was YES. [2021-04-29 01:18:48,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5480 conditions, 1155 events. 342/1155 cut-off events. For 6783/6920 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9914 event pairs, 4 based on Foata normal form. 38/1177 useless extension candidates. Maximal degree in co-relation 5379. Up to 313 conditions per place. [2021-04-29 01:18:48,774 INFO L146 LiptonReduction]: Number of co-enabled transitions 624 [2021-04-29 01:18:48,870 INFO L158 LiptonReduction]: Checked pairs total: 1740 [2021-04-29 01:18:48,870 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:48,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 361 [2021-04-29 01:18:48,871 INFO L480 AbstractCegarLoop]: Abstraction has has 133 places, 293 transitions, 3653 flow [2021-04-29 01:18:48,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 168.42857142857142) internal successors, (2358), 14 states have internal predecessors, (2358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:48,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:48,873 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:48,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 01:18:48,873 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:48,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:48,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1650829754, now seen corresponding path program 3 times [2021-04-29 01:18:48,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:48,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059247406] [2021-04-29 01:18:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:49,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:49,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:49,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 01:18:49,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 01:18:49,101 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 01:18:49,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:18:49,152 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:18:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:18:49,209 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 01:18:49,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:18:49,244 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:18:49,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:18:49,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:49,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:49,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059247406] [2021-04-29 01:18:49,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:49,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 01:18:49,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198688200] [2021-04-29 01:18:49,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 01:18:49,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:49,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 01:18:49,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 01:18:49,297 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 624 [2021-04-29 01:18:49,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 293 transitions, 3653 flow. Second operand has 7 states, 7 states have (on average 186.28571428571428) internal successors, (1304), 7 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:49,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:49,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 624 [2021-04-29 01:18:49,298 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:50,507 INFO L129 PetriNetUnfolder]: 808/2122 cut-off events. [2021-04-29 01:18:50,507 INFO L130 PetriNetUnfolder]: For 13074/13205 co-relation queries the response was YES. [2021-04-29 01:18:50,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11034 conditions, 2122 events. 808/2122 cut-off events. For 13074/13205 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 17851 event pairs, 67 based on Foata normal form. 48/2140 useless extension candidates. Maximal degree in co-relation 10945. Up to 802 conditions per place. [2021-04-29 01:18:50,534 INFO L132 encePairwiseOnDemand]: 616/624 looper letters, 210 selfloop transitions, 177 changer transitions 4/401 dead transitions. [2021-04-29 01:18:50,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 401 transitions, 5504 flow [2021-04-29 01:18:50,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 01:18:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 01:18:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1151 transitions. [2021-04-29 01:18:50,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3074252136752137 [2021-04-29 01:18:50,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1151 transitions. [2021-04-29 01:18:50,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1151 transitions. [2021-04-29 01:18:50,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:50,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1151 transitions. [2021-04-29 01:18:50,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:50,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 624.0) internal successors, (4368), 7 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:50,554 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 624.0) internal successors, (4368), 7 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:50,554 INFO L185 Difference]: Start difference. First operand has 133 places, 293 transitions, 3653 flow. Second operand 6 states and 1151 transitions. [2021-04-29 01:18:50,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 401 transitions, 5504 flow [2021-04-29 01:18:50,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 401 transitions, 4934 flow, removed 275 selfloop flow, removed 4 redundant places. [2021-04-29 01:18:50,683 INFO L241 Difference]: Finished difference. Result has 135 places, 332 transitions, 4084 flow [2021-04-29 01:18:50,684 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=624, PETRI_DIFFERENCE_MINUEND_FLOW=3141, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4084, PETRI_PLACES=135, PETRI_TRANSITIONS=332} [2021-04-29 01:18:50,684 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -59 predicate places. [2021-04-29 01:18:50,684 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:50,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 332 transitions, 4084 flow [2021-04-29 01:18:50,685 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 332 transitions, 4084 flow [2021-04-29 01:18:50,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 332 transitions, 4084 flow [2021-04-29 01:18:50,976 INFO L129 PetriNetUnfolder]: 407/1403 cut-off events. [2021-04-29 01:18:50,976 INFO L130 PetriNetUnfolder]: For 8249/8380 co-relation queries the response was YES. [2021-04-29 01:18:50,984 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6520 conditions, 1403 events. 407/1403 cut-off events. For 8249/8380 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 12723 event pairs, 9 based on Foata normal form. 73/1454 useless extension candidates. Maximal degree in co-relation 6265. Up to 392 conditions per place. [2021-04-29 01:18:51,032 INFO L146 LiptonReduction]: Number of co-enabled transitions 708 [2021-04-29 01:18:51,207 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:18:51,330 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-29 01:18:51,462 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:18:51,597 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-29 01:18:51,770 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:18:51,889 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-29 01:18:52,002 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:18:52,107 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-29 01:18:52,231 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:18:52,343 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-29 01:18:52,504 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:18:52,633 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-29 01:18:52,771 INFO L158 LiptonReduction]: Checked pairs total: 4566 [2021-04-29 01:18:52,771 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-29 01:18:52,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2087 [2021-04-29 01:18:52,772 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 334 transitions, 4109 flow [2021-04-29 01:18:52,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 186.28571428571428) internal successors, (1304), 7 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:52,773 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:52,773 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:52,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 01:18:52,774 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash -929200478, now seen corresponding path program 4 times [2021-04-29 01:18:52,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:52,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318993288] [2021-04-29 01:18:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:52,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:52,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:52,939 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 01:18:52,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 01:18:52,980 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 01:18:52,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:18:53,031 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-04-29 01:18:53,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 01:18:53,059 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 01:18:53,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:18:53,137 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:18:53,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:18:53,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:53,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:53,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:53,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:18:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:53,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318993288] [2021-04-29 01:18:53,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:53,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 01:18:53,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165545987] [2021-04-29 01:18:53,212 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 01:18:53,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:53,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 01:18:53,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 01:18:53,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 627 [2021-04-29 01:18:53,218 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 334 transitions, 4109 flow. Second operand has 7 states, 7 states have (on average 185.28571428571428) internal successors, (1297), 7 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:53,219 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:53,219 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 627 [2021-04-29 01:18:53,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:53,904 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-04-29 01:18:55,189 INFO L129 PetriNetUnfolder]: 1158/2961 cut-off events. [2021-04-29 01:18:55,190 INFO L130 PetriNetUnfolder]: For 20182/20334 co-relation queries the response was YES. [2021-04-29 01:18:55,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15451 conditions, 2961 events. 1158/2961 cut-off events. For 20182/20334 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 26287 event pairs, 220 based on Foata normal form. 28/2962 useless extension candidates. Maximal degree in co-relation 14859. Up to 1007 conditions per place. [2021-04-29 01:18:55,240 INFO L132 encePairwiseOnDemand]: 618/627 looper letters, 323 selfloop transitions, 165 changer transitions 4/506 dead transitions. [2021-04-29 01:18:55,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 506 transitions, 7257 flow [2021-04-29 01:18:55,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 01:18:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 01:18:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1153 transitions. [2021-04-29 01:18:55,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.30648591174906964 [2021-04-29 01:18:55,249 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1153 transitions. [2021-04-29 01:18:55,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1153 transitions. [2021-04-29 01:18:55,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:18:55,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1153 transitions. [2021-04-29 01:18:55,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.16666666666666) internal successors, (1153), 6 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:55,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 627.0) internal successors, (4389), 7 states have internal predecessors, (4389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:55,260 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 627.0) internal successors, (4389), 7 states have internal predecessors, (4389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:55,260 INFO L185 Difference]: Start difference. First operand has 137 places, 334 transitions, 4109 flow. Second operand 6 states and 1153 transitions. [2021-04-29 01:18:55,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 506 transitions, 7257 flow [2021-04-29 01:18:55,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 506 transitions, 7040 flow, removed 65 selfloop flow, removed 2 redundant places. [2021-04-29 01:18:55,459 INFO L241 Difference]: Finished difference. Result has 143 places, 402 transitions, 5442 flow [2021-04-29 01:18:55,460 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=3967, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5442, PETRI_PLACES=143, PETRI_TRANSITIONS=402} [2021-04-29 01:18:55,461 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -51 predicate places. [2021-04-29 01:18:55,461 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:18:55,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 402 transitions, 5442 flow [2021-04-29 01:18:55,461 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 402 transitions, 5442 flow [2021-04-29 01:18:55,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 402 transitions, 5442 flow [2021-04-29 01:18:55,790 INFO L129 PetriNetUnfolder]: 511/1789 cut-off events. [2021-04-29 01:18:55,791 INFO L130 PetriNetUnfolder]: For 14058/14305 co-relation queries the response was YES. [2021-04-29 01:18:55,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9189 conditions, 1789 events. 511/1789 cut-off events. For 14058/14305 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 17365 event pairs, 3 based on Foata normal form. 141/1903 useless extension candidates. Maximal degree in co-relation 8821. Up to 513 conditions per place. [2021-04-29 01:18:55,820 INFO L146 LiptonReduction]: Number of co-enabled transitions 826 [2021-04-29 01:18:55,881 INFO L158 LiptonReduction]: Checked pairs total: 4750 [2021-04-29 01:18:55,881 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:18:55,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 420 [2021-04-29 01:18:55,882 INFO L480 AbstractCegarLoop]: Abstraction has has 141 places, 402 transitions, 5442 flow [2021-04-29 01:18:55,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 185.28571428571428) internal successors, (1297), 7 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:55,883 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:18:55,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:18:55,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 01:18:55,884 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:18:55,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:18:55,884 INFO L82 PathProgramCache]: Analyzing trace with hash -238640683, now seen corresponding path program 1 times [2021-04-29 01:18:55,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:18:55,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810553068] [2021-04-29 01:18:55,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:18:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:18:56,037 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-04-29 01:18:56,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 01:18:56,143 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-04-29 01:18:56,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 01:18:56,264 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2021-04-29 01:18:56,269 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size [2021-04-29 01:18:56,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 01:18:56,398 INFO L142 QuantifierPusher]: treesize reduction 9, result has 84.2 percent of original size [2021-04-29 01:18:56,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 01:18:56,532 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2021-04-29 01:18:56,536 INFO L142 QuantifierPusher]: treesize reduction 9, result has 90.3 percent of original size [2021-04-29 01:18:56,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-29 01:18:56,715 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-04-29 01:18:56,720 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.7 percent of original size [2021-04-29 01:18:56,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 01:18:56,763 INFO L142 QuantifierPusher]: treesize reduction 30, result has 63.9 percent of original size [2021-04-29 01:18:56,765 INFO L147 QuantifierPusher]: treesize reduction 10, result has 81.1 percent of original size 43 [2021-04-29 01:18:56,943 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-04-29 01:18:56,947 INFO L142 QuantifierPusher]: treesize reduction 35, result has 63.2 percent of original size [2021-04-29 01:18:56,948 INFO L147 QuantifierPusher]: treesize reduction 5, result has 91.7 percent of original size 55 [2021-04-29 01:18:56,993 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.7 percent of original size [2021-04-29 01:18:56,997 INFO L147 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size 38 [2021-04-29 01:18:57,170 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-04-29 01:18:57,175 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.7 percent of original size [2021-04-29 01:18:57,179 INFO L147 QuantifierPusher]: treesize reduction 10, result has 79.2 percent of original size 38 [2021-04-29 01:18:57,225 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-04-29 01:18:57,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 01:18:57,269 INFO L142 QuantifierPusher]: treesize reduction 18, result has 55.0 percent of original size [2021-04-29 01:18:57,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:18:57,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:57,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:18:57,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:57,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:18:57,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:57,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:18:57,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:18:57,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:18:57,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:18:57,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810553068] [2021-04-29 01:18:57,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:18:57,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-29 01:18:57,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684015608] [2021-04-29 01:18:57,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:18:57,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:18:57,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:18:57,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:18:57,553 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 627 [2021-04-29 01:18:57,555 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 402 transitions, 5442 flow. Second operand has 13 states, 13 states have (on average 168.46153846153845) internal successors, (2190), 13 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:18:57,555 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:18:57,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 627 [2021-04-29 01:18:57,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:18:58,233 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2021-04-29 01:18:58,588 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2021-04-29 01:18:58,988 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2021-04-29 01:18:59,419 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 42 [2021-04-29 01:18:59,936 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 45 [2021-04-29 01:19:00,509 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2021-04-29 01:19:01,022 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2021-04-29 01:19:01,727 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 51 [2021-04-29 01:19:02,418 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 56 [2021-04-29 01:19:03,065 WARN L205 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 55 [2021-04-29 01:19:03,870 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 53 [2021-04-29 01:19:04,565 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2021-04-29 01:19:04,800 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2021-04-29 01:19:05,661 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2021-04-29 01:19:06,334 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2021-04-29 01:19:07,158 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-04-29 01:19:07,948 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-04-29 01:19:08,803 WARN L205 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2021-04-29 01:19:09,073 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 23 [2021-04-29 01:19:11,071 INFO L129 PetriNetUnfolder]: 1725/3873 cut-off events. [2021-04-29 01:19:11,071 INFO L130 PetriNetUnfolder]: For 31884/31884 co-relation queries the response was YES. [2021-04-29 01:19:11,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22060 conditions, 3873 events. 1725/3873 cut-off events. For 31884/31884 co-relation queries the response was YES. Maximal size of possible extension queue 334. Compared 32594 event pairs, 602 based on Foata normal form. 3/3860 useless extension candidates. Maximal degree in co-relation 21403. Up to 3137 conditions per place. [2021-04-29 01:19:11,134 INFO L132 encePairwiseOnDemand]: 609/627 looper letters, 370 selfloop transitions, 204 changer transitions 20/595 dead transitions. [2021-04-29 01:19:11,134 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 595 transitions, 8710 flow [2021-04-29 01:19:11,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-04-29 01:19:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-04-29 01:19:11,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 5010 transitions. [2021-04-29 01:19:11,150 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2755320904141231 [2021-04-29 01:19:11,150 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 5010 transitions. [2021-04-29 01:19:11,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 5010 transitions. [2021-04-29 01:19:11,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:11,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 5010 transitions. [2021-04-29 01:19:11,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 172.75862068965517) internal successors, (5010), 29 states have internal predecessors, (5010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:11,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 627.0) internal successors, (18810), 30 states have internal predecessors, (18810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:11,185 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 627.0) internal successors, (18810), 30 states have internal predecessors, (18810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:11,186 INFO L185 Difference]: Start difference. First operand has 141 places, 402 transitions, 5442 flow. Second operand 29 states and 5010 transitions. [2021-04-29 01:19:11,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 595 transitions, 8710 flow [2021-04-29 01:19:11,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 595 transitions, 8589 flow, removed 33 selfloop flow, removed 2 redundant places. [2021-04-29 01:19:11,481 INFO L241 Difference]: Finished difference. Result has 184 places, 507 transitions, 7525 flow [2021-04-29 01:19:11,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=627, PETRI_DIFFERENCE_MINUEND_FLOW=5347, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=7525, PETRI_PLACES=184, PETRI_TRANSITIONS=507} [2021-04-29 01:19:11,483 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -10 predicate places. [2021-04-29 01:19:11,483 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:11,483 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 507 transitions, 7525 flow [2021-04-29 01:19:11,483 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 507 transitions, 7525 flow [2021-04-29 01:19:11,490 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 181 places, 507 transitions, 7525 flow [2021-04-29 01:19:11,920 INFO L129 PetriNetUnfolder]: 564/1935 cut-off events. [2021-04-29 01:19:11,920 INFO L130 PetriNetUnfolder]: For 19750/20031 co-relation queries the response was YES. [2021-04-29 01:19:11,939 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11178 conditions, 1935 events. 564/1935 cut-off events. For 19750/20031 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 19033 event pairs, 6 based on Foata normal form. 163/2073 useless extension candidates. Maximal degree in co-relation 10985. Up to 534 conditions per place. [2021-04-29 01:19:11,959 INFO L146 LiptonReduction]: Number of co-enabled transitions 974 [2021-04-29 01:19:12,285 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:19:12,608 INFO L158 LiptonReduction]: Checked pairs total: 19406 [2021-04-29 01:19:12,608 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:19:12,608 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1125 [2021-04-29 01:19:12,609 INFO L480 AbstractCegarLoop]: Abstraction has has 182 places, 508 transitions, 7533 flow [2021-04-29 01:19:12,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 168.46153846153845) internal successors, (2190), 13 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:12,610 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:12,610 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:12,610 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 01:19:12,610 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:12,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:12,611 INFO L82 PathProgramCache]: Analyzing trace with hash -2143406854, now seen corresponding path program 1 times [2021-04-29 01:19:12,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:12,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501463485] [2021-04-29 01:19:12,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:12,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:12,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:12,779 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:12,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:12,813 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-04-29 01:19:12,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:19:12,857 INFO L142 QuantifierPusher]: treesize reduction 6, result has 80.0 percent of original size [2021-04-29 01:19:12,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 01:19:12,932 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-04-29 01:19:12,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 01:19:13,023 INFO L142 QuantifierPusher]: treesize reduction 6, result has 87.0 percent of original size [2021-04-29 01:19:13,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:19:13,057 INFO L142 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size [2021-04-29 01:19:13,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 01:19:13,060 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:19:13,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:19:13,127 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:19:13,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:19:13,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:13,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 01:19:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:13,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:19:13,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:13,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:13,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501463485] [2021-04-29 01:19:13,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:13,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 01:19:13,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806210046] [2021-04-29 01:19:13,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 01:19:13,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:13,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 01:19:13,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-04-29 01:19:13,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 628 [2021-04-29 01:19:13,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 508 transitions, 7533 flow. Second operand has 11 states, 11 states have (on average 175.54545454545453) internal successors, (1931), 11 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:13,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:13,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 628 [2021-04-29 01:19:13,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:15,860 INFO L129 PetriNetUnfolder]: 1501/3679 cut-off events. [2021-04-29 01:19:15,860 INFO L130 PetriNetUnfolder]: For 39765/39860 co-relation queries the response was YES. [2021-04-29 01:19:15,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22882 conditions, 3679 events. 1501/3679 cut-off events. For 39765/39860 co-relation queries the response was YES. Maximal size of possible extension queue 342. Compared 32827 event pairs, 391 based on Foata normal form. 17/3667 useless extension candidates. Maximal degree in co-relation 22709. Up to 1338 conditions per place. [2021-04-29 01:19:15,901 INFO L132 encePairwiseOnDemand]: 617/628 looper letters, 503 selfloop transitions, 139 changer transitions 5/660 dead transitions. [2021-04-29 01:19:15,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 660 transitions, 10850 flow [2021-04-29 01:19:15,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 01:19:15,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 01:19:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1283 transitions. [2021-04-29 01:19:15,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2918562329390355 [2021-04-29 01:19:15,907 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1283 transitions. [2021-04-29 01:19:15,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1283 transitions. [2021-04-29 01:19:15,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:15,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1283 transitions. [2021-04-29 01:19:15,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 183.28571428571428) internal successors, (1283), 7 states have internal predecessors, (1283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:15,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 628.0) internal successors, (5024), 8 states have internal predecessors, (5024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:15,915 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 628.0) internal successors, (5024), 8 states have internal predecessors, (5024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:15,915 INFO L185 Difference]: Start difference. First operand has 182 places, 508 transitions, 7533 flow. Second operand 7 states and 1283 transitions. [2021-04-29 01:19:15,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 660 transitions, 10850 flow [2021-04-29 01:19:16,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 660 transitions, 10512 flow, removed 166 selfloop flow, removed 5 redundant places. [2021-04-29 01:19:16,288 INFO L241 Difference]: Finished difference. Result has 185 places, 526 transitions, 7961 flow [2021-04-29 01:19:16,288 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=628, PETRI_DIFFERENCE_MINUEND_FLOW=7259, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=508, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=7961, PETRI_PLACES=185, PETRI_TRANSITIONS=526} [2021-04-29 01:19:16,289 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -9 predicate places. [2021-04-29 01:19:16,289 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:16,289 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 185 places, 526 transitions, 7961 flow [2021-04-29 01:19:16,289 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 185 places, 526 transitions, 7961 flow [2021-04-29 01:19:16,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 526 transitions, 7961 flow [2021-04-29 01:19:16,740 INFO L129 PetriNetUnfolder]: 582/2063 cut-off events. [2021-04-29 01:19:16,740 INFO L130 PetriNetUnfolder]: For 21533/21802 co-relation queries the response was YES. [2021-04-29 01:19:16,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11777 conditions, 2063 events. 582/2063 cut-off events. For 21533/21802 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 20809 event pairs, 6 based on Foata normal form. 150/2184 useless extension candidates. Maximal degree in co-relation 11393. Up to 571 conditions per place. [2021-04-29 01:19:16,773 INFO L146 LiptonReduction]: Number of co-enabled transitions 992 [2021-04-29 01:19:17,709 INFO L158 LiptonReduction]: Checked pairs total: 19870 [2021-04-29 01:19:17,709 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 01:19:17,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1421 [2021-04-29 01:19:17,710 INFO L480 AbstractCegarLoop]: Abstraction has has 186 places, 528 transitions, 7989 flow [2021-04-29 01:19:17,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 175.54545454545453) internal successors, (1931), 11 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:17,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:17,711 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:17,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 01:19:17,712 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:17,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:17,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1646091121, now seen corresponding path program 1 times [2021-04-29 01:19:17,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:17,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781299130] [2021-04-29 01:19:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:17,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:17,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:17,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:19:17,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:17,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:18,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 01:19:18,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-29 01:19:18,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 01:19:18,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:19:18,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 01:19:18,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 01:19:18,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 01:19:18,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:19:18,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:19:18,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:18,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:19:18,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:19:18,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:18,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:19:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:18,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781299130] [2021-04-29 01:19:18,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:18,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-29 01:19:18,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036336912] [2021-04-29 01:19:18,717 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:19:18,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:18,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:19:18,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:19:18,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 630 [2021-04-29 01:19:18,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 528 transitions, 7989 flow. Second operand has 13 states, 13 states have (on average 168.46153846153845) internal successors, (2190), 13 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:18,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:18,722 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 630 [2021-04-29 01:19:18,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:19,073 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2021-04-29 01:19:19,348 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2021-04-29 01:19:19,688 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2021-04-29 01:19:20,147 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2021-04-29 01:19:20,620 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 59 [2021-04-29 01:19:21,549 WARN L205 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 75 [2021-04-29 01:19:22,063 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2021-04-29 01:19:22,822 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2021-04-29 01:19:25,843 INFO L129 PetriNetUnfolder]: 2000/4551 cut-off events. [2021-04-29 01:19:25,843 INFO L130 PetriNetUnfolder]: For 50298/50298 co-relation queries the response was YES. [2021-04-29 01:19:25,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28421 conditions, 4551 events. 2000/4551 cut-off events. For 50298/50298 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 39858 event pairs, 650 based on Foata normal form. 5/4533 useless extension candidates. Maximal degree in co-relation 27754. Up to 3368 conditions per place. [2021-04-29 01:19:25,892 INFO L132 encePairwiseOnDemand]: 613/630 looper letters, 423 selfloop transitions, 228 changer transitions 22/674 dead transitions. [2021-04-29 01:19:25,893 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 674 transitions, 11061 flow [2021-04-29 01:19:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 01:19:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 01:19:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2460 transitions. [2021-04-29 01:19:25,904 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2789115646258503 [2021-04-29 01:19:25,904 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2460 transitions. [2021-04-29 01:19:25,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2460 transitions. [2021-04-29 01:19:25,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:25,905 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2460 transitions. [2021-04-29 01:19:25,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 175.71428571428572) internal successors, (2460), 14 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:25,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 630.0) internal successors, (9450), 15 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:25,916 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 630.0) internal successors, (9450), 15 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:25,917 INFO L185 Difference]: Start difference. First operand has 186 places, 528 transitions, 7989 flow. Second operand 14 states and 2460 transitions. [2021-04-29 01:19:25,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 674 transitions, 11061 flow [2021-04-29 01:19:26,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 674 transitions, 10987 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-04-29 01:19:26,325 INFO L241 Difference]: Finished difference. Result has 206 places, 588 transitions, 9611 flow [2021-04-29 01:19:26,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=7917, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=9611, PETRI_PLACES=206, PETRI_TRANSITIONS=588} [2021-04-29 01:19:26,325 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, 12 predicate places. [2021-04-29 01:19:26,325 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:26,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 206 places, 588 transitions, 9611 flow [2021-04-29 01:19:26,326 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 206 places, 588 transitions, 9611 flow [2021-04-29 01:19:26,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 588 transitions, 9611 flow [2021-04-29 01:19:26,798 INFO L129 PetriNetUnfolder]: 628/2220 cut-off events. [2021-04-29 01:19:26,798 INFO L130 PetriNetUnfolder]: For 27529/27899 co-relation queries the response was YES. [2021-04-29 01:19:26,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13654 conditions, 2220 events. 628/2220 cut-off events. For 27529/27899 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 22709 event pairs, 9 based on Foata normal form. 202/2395 useless extension candidates. Maximal degree in co-relation 13465. Up to 628 conditions per place. [2021-04-29 01:19:26,969 INFO L146 LiptonReduction]: Number of co-enabled transitions 1136 [2021-04-29 01:19:27,090 INFO L158 LiptonReduction]: Checked pairs total: 13857 [2021-04-29 01:19:27,090 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:27,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 765 [2021-04-29 01:19:27,092 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 588 transitions, 9611 flow [2021-04-29 01:19:27,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 168.46153846153845) internal successors, (2190), 13 states have internal predecessors, (2190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:27,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:27,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:27,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 01:19:27,093 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:27,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:27,093 INFO L82 PathProgramCache]: Analyzing trace with hash 468337325, now seen corresponding path program 2 times [2021-04-29 01:19:27,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:27,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807963575] [2021-04-29 01:19:27,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:27,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:27,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:19:27,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:27,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 01:19:27,640 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-04-29 01:19:27,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 01:19:27,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 01:19:27,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-04-29 01:19:27,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-04-29 01:19:27,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:27,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:19:28,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 01:19:28,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-29 01:19:28,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:19:28,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 01:19:28,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:19:28,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:19:28,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:19:28,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:28,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807963575] [2021-04-29 01:19:28,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:28,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-29 01:19:28,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935091249] [2021-04-29 01:19:28,484 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 01:19:28,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:28,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 01:19:28,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2021-04-29 01:19:28,488 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 630 [2021-04-29 01:19:28,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 588 transitions, 9611 flow. Second operand has 14 states, 14 states have (on average 169.35714285714286) internal successors, (2371), 14 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:28,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:28,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 630 [2021-04-29 01:19:28,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:29,030 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2021-04-29 01:19:29,445 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2021-04-29 01:19:30,020 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2021-04-29 01:19:30,735 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-04-29 01:19:31,256 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-04-29 01:19:31,896 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-04-29 01:19:32,498 WARN L205 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 65 [2021-04-29 01:19:33,086 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 01:19:33,989 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2021-04-29 01:19:35,934 INFO L129 PetriNetUnfolder]: 2085/4750 cut-off events. [2021-04-29 01:19:35,934 INFO L130 PetriNetUnfolder]: For 60623/60623 co-relation queries the response was YES. [2021-04-29 01:19:35,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31454 conditions, 4750 events. 2085/4750 cut-off events. For 60623/60623 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 42298 event pairs, 581 based on Foata normal form. 7/4739 useless extension candidates. Maximal degree in co-relation 31185. Up to 2413 conditions per place. [2021-04-29 01:19:35,995 INFO L132 encePairwiseOnDemand]: 615/630 looper letters, 419 selfloop transitions, 263 changer transitions 27/710 dead transitions. [2021-04-29 01:19:35,995 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 710 transitions, 12587 flow [2021-04-29 01:19:36,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 01:19:36,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 01:19:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2471 transitions. [2021-04-29 01:19:36,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28015873015873016 [2021-04-29 01:19:36,007 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2471 transitions. [2021-04-29 01:19:36,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2471 transitions. [2021-04-29 01:19:36,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:36,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2471 transitions. [2021-04-29 01:19:36,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 176.5) internal successors, (2471), 14 states have internal predecessors, (2471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:36,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 630.0) internal successors, (9450), 15 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:36,023 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 630.0) internal successors, (9450), 15 states have internal predecessors, (9450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:36,023 INFO L185 Difference]: Start difference. First operand has 201 places, 588 transitions, 9611 flow. Second operand 14 states and 2471 transitions. [2021-04-29 01:19:36,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 710 transitions, 12587 flow [2021-04-29 01:19:36,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 710 transitions, 12366 flow, removed 67 selfloop flow, removed 5 redundant places. [2021-04-29 01:19:36,501 INFO L241 Difference]: Finished difference. Result has 213 places, 608 transitions, 10454 flow [2021-04-29 01:19:36,501 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=9400, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=10454, PETRI_PLACES=213, PETRI_TRANSITIONS=608} [2021-04-29 01:19:36,501 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, 19 predicate places. [2021-04-29 01:19:36,502 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:36,502 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 608 transitions, 10454 flow [2021-04-29 01:19:36,502 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 608 transitions, 10454 flow [2021-04-29 01:19:36,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 210 places, 608 transitions, 10454 flow [2021-04-29 01:19:37,018 INFO L129 PetriNetUnfolder]: 642/2296 cut-off events. [2021-04-29 01:19:37,018 INFO L130 PetriNetUnfolder]: For 30518/30873 co-relation queries the response was YES. [2021-04-29 01:19:37,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14607 conditions, 2296 events. 642/2296 cut-off events. For 30518/30873 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 23859 event pairs, 3 based on Foata normal form. 188/2459 useless extension candidates. Maximal degree in co-relation 14373. Up to 648 conditions per place. [2021-04-29 01:19:37,061 INFO L146 LiptonReduction]: Number of co-enabled transitions 1210 [2021-04-29 01:19:37,177 INFO L158 LiptonReduction]: Checked pairs total: 14136 [2021-04-29 01:19:37,177 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:37,178 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 676 [2021-04-29 01:19:37,179 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 608 transitions, 10454 flow [2021-04-29 01:19:37,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 169.35714285714286) internal successors, (2371), 14 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:37,179 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:37,179 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:37,179 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 01:19:37,180 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:37,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:37,180 INFO L82 PathProgramCache]: Analyzing trace with hash -492207477, now seen corresponding path program 1 times [2021-04-29 01:19:37,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:37,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62698512] [2021-04-29 01:19:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:37,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:37,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 01:19:37,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:37,345 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-29 01:19:37,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:19:37,350 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-29 01:19:37,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:19:37,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:19:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:37,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62698512] [2021-04-29 01:19:37,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:37,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 01:19:37,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62639297] [2021-04-29 01:19:37,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 01:19:37,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:37,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 01:19:37,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 01:19:37,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 380 out of 630 [2021-04-29 01:19:37,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 608 transitions, 10454 flow. Second operand has 4 states, 4 states have (on average 382.25) internal successors, (1529), 4 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:37,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:37,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 380 of 630 [2021-04-29 01:19:37,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:37,805 INFO L129 PetriNetUnfolder]: 127/579 cut-off events. [2021-04-29 01:19:37,805 INFO L130 PetriNetUnfolder]: For 7578/7603 co-relation queries the response was YES. [2021-04-29 01:19:37,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3711 conditions, 579 events. 127/579 cut-off events. For 7578/7603 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4382 event pairs, 5 based on Foata normal form. 45/611 useless extension candidates. Maximal degree in co-relation 3636. Up to 150 conditions per place. [2021-04-29 01:19:37,815 INFO L132 encePairwiseOnDemand]: 620/630 looper letters, 48 selfloop transitions, 9 changer transitions 0/244 dead transitions. [2021-04-29 01:19:37,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 244 transitions, 3838 flow [2021-04-29 01:19:37,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 01:19:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 01:19:37,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1537 transitions. [2021-04-29 01:19:37,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.609920634920635 [2021-04-29 01:19:37,821 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1537 transitions. [2021-04-29 01:19:37,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1537 transitions. [2021-04-29 01:19:37,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:37,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1537 transitions. [2021-04-29 01:19:37,825 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 384.25) internal successors, (1537), 4 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:37,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:37,827 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 630.0) internal successors, (3150), 5 states have internal predecessors, (3150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:37,828 INFO L185 Difference]: Start difference. First operand has 210 places, 608 transitions, 10454 flow. Second operand 4 states and 1537 transitions. [2021-04-29 01:19:37,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 244 transitions, 3838 flow [2021-04-29 01:19:37,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 244 transitions, 3313 flow, removed 108 selfloop flow, removed 27 redundant places. [2021-04-29 01:19:37,910 INFO L241 Difference]: Finished difference. Result has 170 places, 244 transitions, 3241 flow [2021-04-29 01:19:37,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=3199, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=3241, PETRI_PLACES=170, PETRI_TRANSITIONS=244} [2021-04-29 01:19:37,911 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -24 predicate places. [2021-04-29 01:19:37,911 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:37,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 244 transitions, 3241 flow [2021-04-29 01:19:37,912 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 244 transitions, 3241 flow [2021-04-29 01:19:37,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 244 transitions, 3241 flow [2021-04-29 01:19:38,072 INFO L129 PetriNetUnfolder]: 128/581 cut-off events. [2021-04-29 01:19:38,072 INFO L130 PetriNetUnfolder]: For 4029/4050 co-relation queries the response was YES. [2021-04-29 01:19:38,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3090 conditions, 581 events. 128/581 cut-off events. For 4029/4050 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4450 event pairs, 2 based on Foata normal form. 8/576 useless extension candidates. Maximal degree in co-relation 2851. Up to 144 conditions per place. [2021-04-29 01:19:38,079 INFO L146 LiptonReduction]: Number of co-enabled transitions 278 [2021-04-29 01:19:38,131 INFO L158 LiptonReduction]: Checked pairs total: 960 [2021-04-29 01:19:38,131 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:38,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 220 [2021-04-29 01:19:38,132 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 244 transitions, 3241 flow [2021-04-29 01:19:38,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 382.25) internal successors, (1529), 4 states have internal predecessors, (1529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:38,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:38,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:38,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 01:19:38,133 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:38,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:38,134 INFO L82 PathProgramCache]: Analyzing trace with hash 421961606, now seen corresponding path program 5 times [2021-04-29 01:19:38,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:38,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383149074] [2021-04-29 01:19:38,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:38,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:38,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:38,296 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 01:19:38,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 01:19:38,324 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-29 01:19:38,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 01:19:38,354 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:38,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:38,395 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-04-29 01:19:38,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:19:38,423 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:38,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:38,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:38,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:38,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383149074] [2021-04-29 01:19:38,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:38,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 01:19:38,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348689647] [2021-04-29 01:19:38,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 01:19:38,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:38,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 01:19:38,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 01:19:38,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 630 [2021-04-29 01:19:38,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 244 transitions, 3241 flow. Second operand has 7 states, 7 states have (on average 186.28571428571428) internal successors, (1304), 7 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:38,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:38,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 630 [2021-04-29 01:19:38,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:39,196 INFO L129 PetriNetUnfolder]: 249/815 cut-off events. [2021-04-29 01:19:39,196 INFO L130 PetriNetUnfolder]: For 6621/6632 co-relation queries the response was YES. [2021-04-29 01:19:39,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4848 conditions, 815 events. 249/815 cut-off events. For 6621/6632 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6001 event pairs, 77 based on Foata normal form. 0/805 useless extension candidates. Maximal degree in co-relation 4492. Up to 322 conditions per place. [2021-04-29 01:19:39,203 INFO L132 encePairwiseOnDemand]: 622/630 looper letters, 185 selfloop transitions, 72 changer transitions 0/270 dead transitions. [2021-04-29 01:19:39,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 270 transitions, 3974 flow [2021-04-29 01:19:39,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 01:19:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 01:19:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1152 transitions. [2021-04-29 01:19:39,210 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3047619047619048 [2021-04-29 01:19:39,211 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1152 transitions. [2021-04-29 01:19:39,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1152 transitions. [2021-04-29 01:19:39,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:39,212 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1152 transitions. [2021-04-29 01:19:39,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.0) internal successors, (1152), 6 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:39,217 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:39,217 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 630.0) internal successors, (4410), 7 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:39,218 INFO L185 Difference]: Start difference. First operand has 167 places, 244 transitions, 3241 flow. Second operand 6 states and 1152 transitions. [2021-04-29 01:19:39,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 270 transitions, 3974 flow [2021-04-29 01:19:39,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 270 transitions, 3933 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-29 01:19:39,275 INFO L241 Difference]: Finished difference. Result has 169 places, 242 transitions, 3413 flow [2021-04-29 01:19:39,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=3160, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3413, PETRI_PLACES=169, PETRI_TRANSITIONS=242} [2021-04-29 01:19:39,276 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -25 predicate places. [2021-04-29 01:19:39,276 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:39,276 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 169 places, 242 transitions, 3413 flow [2021-04-29 01:19:39,276 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 169 places, 242 transitions, 3413 flow [2021-04-29 01:19:39,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 169 places, 242 transitions, 3413 flow [2021-04-29 01:19:39,383 INFO L129 PetriNetUnfolder]: 122/575 cut-off events. [2021-04-29 01:19:39,383 INFO L130 PetriNetUnfolder]: For 4716/4744 co-relation queries the response was YES. [2021-04-29 01:19:39,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3149 conditions, 575 events. 122/575 cut-off events. For 4716/4744 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 4432 event pairs, 3 based on Foata normal form. 10/576 useless extension candidates. Maximal degree in co-relation 2941. Up to 146 conditions per place. [2021-04-29 01:19:39,391 INFO L146 LiptonReduction]: Number of co-enabled transitions 278 [2021-04-29 01:19:39,413 INFO L158 LiptonReduction]: Checked pairs total: 960 [2021-04-29 01:19:39,414 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:39,414 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138 [2021-04-29 01:19:39,415 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 242 transitions, 3413 flow [2021-04-29 01:19:39,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 186.28571428571428) internal successors, (1304), 7 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:39,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:39,415 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:39,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 01:19:39,415 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:39,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:39,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1950741642, now seen corresponding path program 2 times [2021-04-29 01:19:39,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:39,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617459861] [2021-04-29 01:19:39,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:39,563 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:39,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:39,603 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:19:39,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:19:39,642 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-04-29 01:19:39,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:39,758 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-04-29 01:19:39,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 01:19:39,781 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-04-29 01:19:39,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 01:19:39,880 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-04-29 01:19:39,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 01:19:39,945 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-04-29 01:19:39,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:40,023 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:40,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:40,092 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-04-29 01:19:40,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:40,158 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 01:19:40,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:40,214 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 01:19:40,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:40,268 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 01:19:40,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:40,272 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-04-29 01:19:40,273 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-04-29 01:19:40,380 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:40,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:40,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:40,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:40,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617459861] [2021-04-29 01:19:40,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:40,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 01:19:40,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097941333] [2021-04-29 01:19:40,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:19:40,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:40,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:19:40,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:19:40,515 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 630 [2021-04-29 01:19:40,517 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 242 transitions, 3413 flow. Second operand has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:40,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:40,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 630 [2021-04-29 01:19:40,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:41,948 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-04-29 01:19:42,300 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-04-29 01:19:42,667 INFO L129 PetriNetUnfolder]: 301/963 cut-off events. [2021-04-29 01:19:42,667 INFO L130 PetriNetUnfolder]: For 8703/8723 co-relation queries the response was YES. [2021-04-29 01:19:42,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5835 conditions, 963 events. 301/963 cut-off events. For 8703/8723 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7396 event pairs, 106 based on Foata normal form. 7/962 useless extension candidates. Maximal degree in co-relation 5435. Up to 704 conditions per place. [2021-04-29 01:19:42,678 INFO L132 encePairwiseOnDemand]: 620/630 looper letters, 215 selfloop transitions, 21 changer transitions 62/309 dead transitions. [2021-04-29 01:19:42,678 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 309 transitions, 4872 flow [2021-04-29 01:19:42,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 01:19:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 01:19:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1781 transitions. [2021-04-29 01:19:42,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28269841269841267 [2021-04-29 01:19:42,684 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1781 transitions. [2021-04-29 01:19:42,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1781 transitions. [2021-04-29 01:19:42,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:42,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1781 transitions. [2021-04-29 01:19:42,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 178.1) internal successors, (1781), 10 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:42,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 630.0) internal successors, (6930), 11 states have internal predecessors, (6930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:42,693 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 630.0) internal successors, (6930), 11 states have internal predecessors, (6930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:42,693 INFO L185 Difference]: Start difference. First operand has 169 places, 242 transitions, 3413 flow. Second operand 10 states and 1781 transitions. [2021-04-29 01:19:42,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 309 transitions, 4872 flow [2021-04-29 01:19:42,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 309 transitions, 4753 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-04-29 01:19:42,755 INFO L241 Difference]: Finished difference. Result has 178 places, 242 transitions, 3422 flow [2021-04-29 01:19:42,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=3315, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3422, PETRI_PLACES=178, PETRI_TRANSITIONS=242} [2021-04-29 01:19:42,756 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -16 predicate places. [2021-04-29 01:19:42,756 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:42,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 242 transitions, 3422 flow [2021-04-29 01:19:42,757 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 242 transitions, 3422 flow [2021-04-29 01:19:42,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 242 transitions, 3422 flow [2021-04-29 01:19:42,854 INFO L129 PetriNetUnfolder]: 123/581 cut-off events. [2021-04-29 01:19:42,854 INFO L130 PetriNetUnfolder]: For 4491/4496 co-relation queries the response was YES. [2021-04-29 01:19:42,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3231 conditions, 581 events. 123/581 cut-off events. For 4491/4496 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4470 event pairs, 7 based on Foata normal form. 1/573 useless extension candidates. Maximal degree in co-relation 3138. Up to 146 conditions per place. [2021-04-29 01:19:42,861 INFO L146 LiptonReduction]: Number of co-enabled transitions 272 [2021-04-29 01:19:42,884 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:19:42,884 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:42,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-04-29 01:19:42,885 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 242 transitions, 3422 flow [2021-04-29 01:19:42,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:42,886 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:42,886 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:42,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 01:19:42,886 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:42,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:42,886 INFO L82 PathProgramCache]: Analyzing trace with hash 660567424, now seen corresponding path program 3 times [2021-04-29 01:19:42,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:42,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764163183] [2021-04-29 01:19:42,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:43,017 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:43,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:43,051 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:19:43,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:19:43,084 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-04-29 01:19:43,086 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-04-29 01:19:43,178 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-04-29 01:19:43,182 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.2 percent of original size 34 [2021-04-29 01:19:43,201 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.1 percent of original size [2021-04-29 01:19:43,203 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.7 percent of original size 30 [2021-04-29 01:19:43,281 INFO L142 QuantifierPusher]: treesize reduction 11, result has 72.5 percent of original size [2021-04-29 01:19:43,282 INFO L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-04-29 01:19:43,362 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-04-29 01:19:43,363 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.6 percent of original size 39 [2021-04-29 01:19:43,466 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:43,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:43,527 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:43,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:43,530 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 01:19:43,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:43,601 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 01:19:43,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:43,642 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-04-29 01:19:43,645 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-04-29 01:19:43,737 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:43,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:43,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:43,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:43,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:43,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:43,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764163183] [2021-04-29 01:19:43,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:43,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 01:19:43,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998212506] [2021-04-29 01:19:43,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:19:43,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:43,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:19:43,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:19:43,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 630 [2021-04-29 01:19:43,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 242 transitions, 3422 flow. Second operand has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:43,865 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:43,865 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 630 [2021-04-29 01:19:43,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:44,976 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2021-04-29 01:19:45,327 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2021-04-29 01:19:45,669 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2021-04-29 01:19:46,045 INFO L129 PetriNetUnfolder]: 256/820 cut-off events. [2021-04-29 01:19:46,045 INFO L130 PetriNetUnfolder]: For 7210/7232 co-relation queries the response was YES. [2021-04-29 01:19:46,049 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5045 conditions, 820 events. 256/820 cut-off events. For 7210/7232 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 5968 event pairs, 93 based on Foata normal form. 7/819 useless extension candidates. Maximal degree in co-relation 4986. Up to 497 conditions per place. [2021-04-29 01:19:46,051 INFO L132 encePairwiseOnDemand]: 620/630 looper letters, 155 selfloop transitions, 15 changer transitions 97/276 dead transitions. [2021-04-29 01:19:46,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 276 transitions, 4300 flow [2021-04-29 01:19:46,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 01:19:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 01:19:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1780 transitions. [2021-04-29 01:19:46,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28253968253968254 [2021-04-29 01:19:46,058 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1780 transitions. [2021-04-29 01:19:46,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1780 transitions. [2021-04-29 01:19:46,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:46,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1780 transitions. [2021-04-29 01:19:46,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:46,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 630.0) internal successors, (6930), 11 states have internal predecessors, (6930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:46,067 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 630.0) internal successors, (6930), 11 states have internal predecessors, (6930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:46,067 INFO L185 Difference]: Start difference. First operand has 173 places, 242 transitions, 3422 flow. Second operand 10 states and 1780 transitions. [2021-04-29 01:19:46,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 276 transitions, 4300 flow [2021-04-29 01:19:46,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 276 transitions, 4220 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-04-29 01:19:46,125 INFO L241 Difference]: Finished difference. Result has 178 places, 177 transitions, 2438 flow [2021-04-29 01:19:46,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=630, PETRI_DIFFERENCE_MINUEND_FLOW=3263, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2438, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2021-04-29 01:19:46,126 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -16 predicate places. [2021-04-29 01:19:46,126 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:46,126 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 177 transitions, 2438 flow [2021-04-29 01:19:46,126 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 177 transitions, 2438 flow [2021-04-29 01:19:46,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 177 transitions, 2438 flow [2021-04-29 01:19:46,227 INFO L129 PetriNetUnfolder]: 72/391 cut-off events. [2021-04-29 01:19:46,227 INFO L130 PetriNetUnfolder]: For 2976/2992 co-relation queries the response was YES. [2021-04-29 01:19:46,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2122 conditions, 391 events. 72/391 cut-off events. For 2976/2992 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2789 event pairs, 2 based on Foata normal form. 4/388 useless extension candidates. Maximal degree in co-relation 2057. Up to 103 conditions per place. [2021-04-29 01:19:46,232 INFO L146 LiptonReduction]: Number of co-enabled transitions 232 [2021-04-29 01:19:46,633 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:19:46,633 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:19:46,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 507 [2021-04-29 01:19:46,634 INFO L480 AbstractCegarLoop]: Abstraction has has 162 places, 178 transitions, 2462 flow [2021-04-29 01:19:46,635 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:46,635 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:46,635 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:46,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 01:19:46,635 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:46,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:46,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1406155504, now seen corresponding path program 4 times [2021-04-29 01:19:46,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:46,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319955603] [2021-04-29 01:19:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:46,767 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.1 percent of original size [2021-04-29 01:19:46,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 01:19:46,853 INFO L142 QuantifierPusher]: treesize reduction 19, result has 79.6 percent of original size [2021-04-29 01:19:46,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-29 01:19:47,027 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2021-04-29 01:19:47,030 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-04-29 01:19:47,032 INFO L147 QuantifierPusher]: treesize reduction 5, result has 86.1 percent of original size 31 [2021-04-29 01:19:47,050 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-04-29 01:19:47,052 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-04-29 01:19:47,141 INFO L142 QuantifierPusher]: treesize reduction 14, result has 76.3 percent of original size [2021-04-29 01:19:47,143 INFO L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-04-29 01:19:47,249 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 01:19:47,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:19:47,302 INFO L142 QuantifierPusher]: treesize reduction 12, result has 71.4 percent of original size [2021-04-29 01:19:47,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 01:19:47,360 INFO L142 QuantifierPusher]: treesize reduction 12, result has 70.7 percent of original size [2021-04-29 01:19:47,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:47,422 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 01:19:47,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:47,472 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 01:19:47,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:47,476 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-04-29 01:19:47,477 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-04-29 01:19:47,576 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:47,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:47,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319955603] [2021-04-29 01:19:47,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:47,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 01:19:47,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390887032] [2021-04-29 01:19:47,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 01:19:47,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:47,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 01:19:47,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-04-29 01:19:47,695 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 631 [2021-04-29 01:19:47,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 178 transitions, 2462 flow. Second operand has 12 states, 12 states have (on average 174.5) internal successors, (2094), 12 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:47,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:47,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 631 [2021-04-29 01:19:47,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:48,821 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2021-04-29 01:19:49,115 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-04-29 01:19:49,480 INFO L129 PetriNetUnfolder]: 205/681 cut-off events. [2021-04-29 01:19:49,481 INFO L130 PetriNetUnfolder]: For 6063/6083 co-relation queries the response was YES. [2021-04-29 01:19:49,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4085 conditions, 681 events. 205/681 cut-off events. For 6063/6083 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 4827 event pairs, 77 based on Foata normal form. 7/679 useless extension candidates. Maximal degree in co-relation 3973. Up to 485 conditions per place. [2021-04-29 01:19:49,486 INFO L132 encePairwiseOnDemand]: 621/631 looper letters, 162 selfloop transitions, 19 changer transitions 26/216 dead transitions. [2021-04-29 01:19:49,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 216 transitions, 3330 flow [2021-04-29 01:19:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 01:19:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 01:19:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1952 transitions. [2021-04-29 01:19:49,490 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2812274888344619 [2021-04-29 01:19:49,490 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1952 transitions. [2021-04-29 01:19:49,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1952 transitions. [2021-04-29 01:19:49,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:49,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1952 transitions. [2021-04-29 01:19:49,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 177.45454545454547) internal successors, (1952), 11 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) [2021-04-29 01:19:49,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 631.0) internal successors, (7572), 12 states have internal predecessors, (7572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:49,497 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 631.0) internal successors, (7572), 12 states have internal predecessors, (7572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:49,497 INFO L185 Difference]: Start difference. First operand has 162 places, 178 transitions, 2462 flow. Second operand 11 states and 1952 transitions. [2021-04-29 01:19:49,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 216 transitions, 3330 flow [2021-04-29 01:19:49,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 216 transitions, 3211 flow, removed 29 selfloop flow, removed 16 redundant places. [2021-04-29 01:19:49,524 INFO L241 Difference]: Finished difference. Result has 163 places, 182 transitions, 2483 flow [2021-04-29 01:19:49,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=631, PETRI_DIFFERENCE_MINUEND_FLOW=2360, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2483, PETRI_PLACES=163, PETRI_TRANSITIONS=182} [2021-04-29 01:19:49,524 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -31 predicate places. [2021-04-29 01:19:49,525 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:49,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 182 transitions, 2483 flow [2021-04-29 01:19:49,525 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 182 transitions, 2483 flow [2021-04-29 01:19:49,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 182 transitions, 2483 flow [2021-04-29 01:19:49,576 INFO L129 PetriNetUnfolder]: 71/400 cut-off events. [2021-04-29 01:19:49,576 INFO L130 PetriNetUnfolder]: For 3351/3372 co-relation queries the response was YES. [2021-04-29 01:19:49,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2193 conditions, 400 events. 71/400 cut-off events. For 3351/3372 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2863 event pairs, 0 based on Foata normal form. 4/397 useless extension candidates. Maximal degree in co-relation 2102. Up to 113 conditions per place. [2021-04-29 01:19:49,581 INFO L146 LiptonReduction]: Number of co-enabled transitions 222 [2021-04-29 01:19:49,817 INFO L158 LiptonReduction]: Checked pairs total: 18 [2021-04-29 01:19:49,817 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:19:49,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 293 [2021-04-29 01:19:49,819 INFO L480 AbstractCegarLoop]: Abstraction has has 161 places, 183 transitions, 2488 flow [2021-04-29 01:19:49,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 174.5) internal successors, (2094), 12 states have internal predecessors, (2094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:49,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:49,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:49,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 01:19:49,820 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:49,820 INFO L82 PathProgramCache]: Analyzing trace with hash -657671455, now seen corresponding path program 1 times [2021-04-29 01:19:49,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:49,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760142390] [2021-04-29 01:19:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:49,947 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 01:19:49,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:19:49,989 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-04-29 01:19:49,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:19:50,030 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 01:19:50,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:19:50,071 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-04-29 01:19:50,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:19:50,139 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-04-29 01:19:50,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 01:19:50,168 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-04-29 01:19:50,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-04-29 01:19:50,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-04-29 01:19:50,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:19:50,310 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:50,374 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-04-29 01:19:50,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:19:50,444 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-04-29 01:19:50,446 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-04-29 01:19:50,563 INFO L142 QuantifierPusher]: treesize reduction 31, result has 44.6 percent of original size [2021-04-29 01:19:50,565 INFO L147 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size 22 [2021-04-29 01:19:50,567 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:50,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:50,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760142390] [2021-04-29 01:19:50,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:50,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 01:19:50,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032437875] [2021-04-29 01:19:50,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:19:50,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:50,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:19:50,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:19:50,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 632 [2021-04-29 01:19:50,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 183 transitions, 2488 flow. Second operand has 13 states, 13 states have (on average 174.30769230769232) internal successors, (2266), 13 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:50,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:50,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 632 [2021-04-29 01:19:50,714 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:51,917 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-04-29 01:19:52,233 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-04-29 01:19:52,570 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-04-29 01:19:52,942 INFO L129 PetriNetUnfolder]: 168/577 cut-off events. [2021-04-29 01:19:52,942 INFO L130 PetriNetUnfolder]: For 5320/5338 co-relation queries the response was YES. [2021-04-29 01:19:52,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3482 conditions, 577 events. 168/577 cut-off events. For 5320/5338 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3881 event pairs, 73 based on Foata normal form. 6/575 useless extension candidates. Maximal degree in co-relation 3384. Up to 427 conditions per place. [2021-04-29 01:19:52,946 INFO L132 encePairwiseOnDemand]: 619/632 looper letters, 126 selfloop transitions, 12 changer transitions 45/190 dead transitions. [2021-04-29 01:19:52,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 190 transitions, 2874 flow [2021-04-29 01:19:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 01:19:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 01:19:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1780 transitions. [2021-04-29 01:19:52,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28164556962025317 [2021-04-29 01:19:52,951 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1780 transitions. [2021-04-29 01:19:52,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1780 transitions. [2021-04-29 01:19:52,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:52,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1780 transitions. [2021-04-29 01:19:52,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:52,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 632.0) internal successors, (6952), 11 states have internal predecessors, (6952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:52,958 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 632.0) internal successors, (6952), 11 states have internal predecessors, (6952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:52,958 INFO L185 Difference]: Start difference. First operand has 161 places, 183 transitions, 2488 flow. Second operand 10 states and 1780 transitions. [2021-04-29 01:19:52,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 190 transitions, 2874 flow [2021-04-29 01:19:52,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 190 transitions, 2811 flow, removed 22 selfloop flow, removed 4 redundant places. [2021-04-29 01:19:52,981 INFO L241 Difference]: Finished difference. Result has 168 places, 145 transitions, 1949 flow [2021-04-29 01:19:52,981 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=632, PETRI_DIFFERENCE_MINUEND_FLOW=2348, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1949, PETRI_PLACES=168, PETRI_TRANSITIONS=145} [2021-04-29 01:19:52,982 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -26 predicate places. [2021-04-29 01:19:52,982 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:52,982 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 145 transitions, 1949 flow [2021-04-29 01:19:52,982 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 145 transitions, 1949 flow [2021-04-29 01:19:52,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 145 transitions, 1949 flow [2021-04-29 01:19:53,026 INFO L129 PetriNetUnfolder]: 57/329 cut-off events. [2021-04-29 01:19:53,026 INFO L130 PetriNetUnfolder]: For 2759/2775 co-relation queries the response was YES. [2021-04-29 01:19:53,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1818 conditions, 329 events. 57/329 cut-off events. For 2759/2775 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2192 event pairs, 0 based on Foata normal form. 3/325 useless extension candidates. Maximal degree in co-relation 1621. Up to 102 conditions per place. [2021-04-29 01:19:53,032 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-29 01:19:53,247 INFO L158 LiptonReduction]: Checked pairs total: 10 [2021-04-29 01:19:53,247 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:19:53,248 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 266 [2021-04-29 01:19:53,248 INFO L480 AbstractCegarLoop]: Abstraction has has 153 places, 146 transitions, 1958 flow [2021-04-29 01:19:53,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 174.30769230769232) internal successors, (2266), 13 states have internal predecessors, (2266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:53,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:53,249 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:53,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 01:19:53,249 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:53,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:53,249 INFO L82 PathProgramCache]: Analyzing trace with hash -742736884, now seen corresponding path program 5 times [2021-04-29 01:19:53,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:53,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445603051] [2021-04-29 01:19:53,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:53,415 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.3 percent of original size [2021-04-29 01:19:53,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 01:19:53,462 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-04-29 01:19:53,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 01:19:53,510 INFO L142 QuantifierPusher]: treesize reduction 24, result has 61.3 percent of original size [2021-04-29 01:19:53,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 01:19:53,568 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.9 percent of original size [2021-04-29 01:19:53,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 01:19:53,588 INFO L142 QuantifierPusher]: treesize reduction 24, result has 52.9 percent of original size [2021-04-29 01:19:53,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:19:53,650 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size [2021-04-29 01:19:53,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:19:53,728 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 01:19:53,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:19:53,799 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.7 percent of original size [2021-04-29 01:19:53,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-29 01:19:53,866 INFO L142 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-04-29 01:19:53,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:19:53,937 INFO L142 QuantifierPusher]: treesize reduction 17, result has 65.3 percent of original size [2021-04-29 01:19:53,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:19:53,978 INFO L142 QuantifierPusher]: treesize reduction 36, result has 45.5 percent of original size [2021-04-29 01:19:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 01:19:54,116 INFO L142 QuantifierPusher]: treesize reduction 17, result has 57.5 percent of original size [2021-04-29 01:19:54,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:19:54,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:54,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:54,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:54,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445603051] [2021-04-29 01:19:54,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:54,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-04-29 01:19:54,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133123359] [2021-04-29 01:19:54,240 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:19:54,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:54,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:19:54,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:19:54,244 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 633 [2021-04-29 01:19:54,245 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 146 transitions, 1958 flow. Second operand has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:54,245 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:54,245 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 633 [2021-04-29 01:19:54,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:54,880 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2021-04-29 01:19:55,382 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2021-04-29 01:19:55,658 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2021-04-29 01:19:55,977 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-04-29 01:19:56,352 INFO L129 PetriNetUnfolder]: 152/523 cut-off events. [2021-04-29 01:19:56,352 INFO L130 PetriNetUnfolder]: For 4912/4929 co-relation queries the response was YES. [2021-04-29 01:19:56,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3192 conditions, 523 events. 152/523 cut-off events. For 4912/4929 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3421 event pairs, 51 based on Foata normal form. 7/521 useless extension candidates. Maximal degree in co-relation 2904. Up to 256 conditions per place. [2021-04-29 01:19:56,356 INFO L132 encePairwiseOnDemand]: 621/633 looper letters, 86 selfloop transitions, 40 changer transitions 38/171 dead transitions. [2021-04-29 01:19:56,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 171 transitions, 2550 flow [2021-04-29 01:19:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 01:19:56,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 01:19:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1780 transitions. [2021-04-29 01:19:56,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2812006319115324 [2021-04-29 01:19:56,362 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1780 transitions. [2021-04-29 01:19:56,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1780 transitions. [2021-04-29 01:19:56,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:56,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1780 transitions. [2021-04-29 01:19:56,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 178.0) internal successors, (1780), 10 states have internal predecessors, (1780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:56,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 633.0) internal successors, (6963), 11 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:56,368 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 633.0) internal successors, (6963), 11 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:56,368 INFO L185 Difference]: Start difference. First operand has 153 places, 146 transitions, 1958 flow. Second operand 10 states and 1780 transitions. [2021-04-29 01:19:56,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 171 transitions, 2550 flow [2021-04-29 01:19:56,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 171 transitions, 2439 flow, removed 25 selfloop flow, removed 10 redundant places. [2021-04-29 01:19:56,389 INFO L241 Difference]: Finished difference. Result has 154 places, 126 transitions, 1670 flow [2021-04-29 01:19:56,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=1810, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1670, PETRI_PLACES=154, PETRI_TRANSITIONS=126} [2021-04-29 01:19:56,389 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -40 predicate places. [2021-04-29 01:19:56,389 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:56,389 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 126 transitions, 1670 flow [2021-04-29 01:19:56,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 126 transitions, 1670 flow [2021-04-29 01:19:56,390 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 145 places, 126 transitions, 1670 flow [2021-04-29 01:19:56,424 INFO L129 PetriNetUnfolder]: 46/282 cut-off events. [2021-04-29 01:19:56,424 INFO L130 PetriNetUnfolder]: For 2541/2547 co-relation queries the response was YES. [2021-04-29 01:19:56,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1554 conditions, 282 events. 46/282 cut-off events. For 2541/2547 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1763 event pairs, 0 based on Foata normal form. 1/277 useless extension candidates. Maximal degree in co-relation 1496. Up to 88 conditions per place. [2021-04-29 01:19:56,429 INFO L146 LiptonReduction]: Number of co-enabled transitions 156 [2021-04-29 01:19:56,436 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:19:56,437 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:56,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-04-29 01:19:56,438 INFO L480 AbstractCegarLoop]: Abstraction has has 145 places, 126 transitions, 1670 flow [2021-04-29 01:19:56,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 174.3846153846154) internal successors, (2267), 13 states have internal predecessors, (2267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:56,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:56,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:56,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 01:19:56,438 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:56,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:56,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1284671985, now seen corresponding path program 1 times [2021-04-29 01:19:56,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:56,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738477854] [2021-04-29 01:19:56,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:56,560 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 01:19:56,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:19:56,644 INFO L142 QuantifierPusher]: treesize reduction 12, result has 84.6 percent of original size [2021-04-29 01:19:56,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-04-29 01:19:56,796 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2021-04-29 01:19:56,800 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-04-29 01:19:56,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 01:19:56,826 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.2 percent of original size [2021-04-29 01:19:56,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 01:19:56,979 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2021-04-29 01:19:56,982 INFO L142 QuantifierPusher]: treesize reduction 12, result has 82.6 percent of original size [2021-04-29 01:19:56,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 01:19:57,088 INFO L142 QuantifierPusher]: treesize reduction 12, result has 77.4 percent of original size [2021-04-29 01:19:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 01:19:57,111 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-04-29 01:19:57,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 01:19:57,174 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-04-29 01:19:57,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 01:19:57,206 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-04-29 01:19:57,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:19:57,340 INFO L142 QuantifierPusher]: treesize reduction 23, result has 57.4 percent of original size [2021-04-29 01:19:57,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:57,458 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-04-29 01:19:57,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:19:57,568 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:19:57,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:19:57,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:19:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:19:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:19:57,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738477854] [2021-04-29 01:19:57,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:19:57,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 01:19:57,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4434579] [2021-04-29 01:19:57,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 01:19:57,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:19:57,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 01:19:57,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-04-29 01:19:57,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 633 [2021-04-29 01:19:57,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 126 transitions, 1670 flow. Second operand has 12 states, 12 states have (on average 174.41666666666666) internal successors, (2093), 12 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:57,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:19:57,686 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 633 [2021-04-29 01:19:57,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:19:58,602 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-04-29 01:19:58,929 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2021-04-29 01:19:59,174 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-04-29 01:19:59,505 INFO L129 PetriNetUnfolder]: 114/415 cut-off events. [2021-04-29 01:19:59,505 INFO L130 PetriNetUnfolder]: For 3874/3888 co-relation queries the response was YES. [2021-04-29 01:19:59,506 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2476 conditions, 415 events. 114/415 cut-off events. For 3874/3888 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2531 event pairs, 52 based on Foata normal form. 2/411 useless extension candidates. Maximal degree in co-relation 2422. Up to 239 conditions per place. [2021-04-29 01:19:59,507 INFO L132 encePairwiseOnDemand]: 620/633 looper letters, 74 selfloop transitions, 27 changer transitions 41/147 dead transitions. [2021-04-29 01:19:59,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 147 transitions, 2257 flow [2021-04-29 01:19:59,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 01:19:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 01:19:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1777 transitions. [2021-04-29 01:19:59,513 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2807266982622433 [2021-04-29 01:19:59,513 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1777 transitions. [2021-04-29 01:19:59,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1777 transitions. [2021-04-29 01:19:59,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:19:59,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1777 transitions. [2021-04-29 01:19:59,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 177.7) internal successors, (1777), 10 states have internal predecessors, (1777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:59,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 633.0) internal successors, (6963), 11 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:59,519 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 633.0) internal successors, (6963), 11 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:59,519 INFO L185 Difference]: Start difference. First operand has 145 places, 126 transitions, 1670 flow. Second operand 10 states and 1777 transitions. [2021-04-29 01:19:59,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 147 transitions, 2257 flow [2021-04-29 01:19:59,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 147 transitions, 2079 flow, removed 44 selfloop flow, removed 11 redundant places. [2021-04-29 01:19:59,534 INFO L241 Difference]: Finished difference. Result has 145 places, 102 transitions, 1250 flow [2021-04-29 01:19:59,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=1511, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1250, PETRI_PLACES=145, PETRI_TRANSITIONS=102} [2021-04-29 01:19:59,534 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -49 predicate places. [2021-04-29 01:19:59,534 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:19:59,534 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 102 transitions, 1250 flow [2021-04-29 01:19:59,534 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 102 transitions, 1250 flow [2021-04-29 01:19:59,535 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 130 places, 102 transitions, 1250 flow [2021-04-29 01:19:59,561 INFO L129 PetriNetUnfolder]: 29/219 cut-off events. [2021-04-29 01:19:59,561 INFO L130 PetriNetUnfolder]: For 1405/1410 co-relation queries the response was YES. [2021-04-29 01:19:59,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1056 conditions, 219 events. 29/219 cut-off events. For 1405/1410 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1259 event pairs, 0 based on Foata normal form. 1/214 useless extension candidates. Maximal degree in co-relation 1009. Up to 61 conditions per place. [2021-04-29 01:19:59,563 INFO L146 LiptonReduction]: Number of co-enabled transitions 146 [2021-04-29 01:19:59,568 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:19:59,568 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:19:59,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 01:19:59,569 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 102 transitions, 1250 flow [2021-04-29 01:19:59,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 174.41666666666666) internal successors, (2093), 12 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:19:59,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:19:59,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:19:59,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 01:19:59,570 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:19:59,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:19:59,570 INFO L82 PathProgramCache]: Analyzing trace with hash -358869617, now seen corresponding path program 2 times [2021-04-29 01:19:59,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:19:59,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054883284] [2021-04-29 01:19:59,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:19:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:19:59,687 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:19:59,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:19:59,730 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.0 percent of original size [2021-04-29 01:19:59,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-04-29 01:19:59,866 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-04-29 01:19:59,869 INFO L142 QuantifierPusher]: treesize reduction 18, result has 74.3 percent of original size [2021-04-29 01:19:59,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-29 01:19:59,890 INFO L142 QuantifierPusher]: treesize reduction 18, result has 76.0 percent of original size [2021-04-29 01:19:59,892 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.5 percent of original size 51 [2021-04-29 01:20:00,027 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2021-04-29 01:20:00,030 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.5 percent of original size [2021-04-29 01:20:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 01:20:00,154 INFO L142 QuantifierPusher]: treesize reduction 5, result has 90.2 percent of original size [2021-04-29 01:20:00,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 01:20:00,265 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-04-29 01:20:00,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 01:20:00,332 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.5 percent of original size [2021-04-29 01:20:00,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-29 01:20:00,365 INFO L142 QuantifierPusher]: treesize reduction 31, result has 49.2 percent of original size [2021-04-29 01:20:00,367 INFO L147 QuantifierPusher]: treesize reduction 3, result has 90.0 percent of original size 27 [2021-04-29 01:20:00,475 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.2 percent of original size [2021-04-29 01:20:00,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 01:20:00,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:00,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 01:20:00,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:00,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:00,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:00,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:00,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:00,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:00,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054883284] [2021-04-29 01:20:00,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:00,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-29 01:20:00,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736036923] [2021-04-29 01:20:00,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-04-29 01:20:00,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:00,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-04-29 01:20:00,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-04-29 01:20:00,660 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 633 [2021-04-29 01:20:00,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 102 transitions, 1250 flow. Second operand has 12 states, 12 states have (on average 174.41666666666666) internal successors, (2093), 12 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:00,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:00,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 633 [2021-04-29 01:20:00,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:01,572 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2021-04-29 01:20:01,836 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-04-29 01:20:02,187 INFO L129 PetriNetUnfolder]: 92/333 cut-off events. [2021-04-29 01:20:02,187 INFO L130 PetriNetUnfolder]: For 2319/2319 co-relation queries the response was YES. [2021-04-29 01:20:02,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 333 events. 92/333 cut-off events. For 2319/2319 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1816 event pairs, 44 based on Foata normal form. 1/328 useless extension candidates. Maximal degree in co-relation 1764. Up to 200 conditions per place. [2021-04-29 01:20:02,189 INFO L132 encePairwiseOnDemand]: 621/633 looper letters, 46 selfloop transitions, 4 changer transitions 55/109 dead transitions. [2021-04-29 01:20:02,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 109 transitions, 1506 flow [2021-04-29 01:20:02,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-29 01:20:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-04-29 01:20:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1773 transitions. [2021-04-29 01:20:02,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2800947867298578 [2021-04-29 01:20:02,195 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1773 transitions. [2021-04-29 01:20:02,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1773 transitions. [2021-04-29 01:20:02,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:02,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1773 transitions. [2021-04-29 01:20:02,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 177.3) internal successors, (1773), 10 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 633.0) internal successors, (6963), 11 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,203 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 633.0) internal successors, (6963), 11 states have internal predecessors, (6963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,203 INFO L185 Difference]: Start difference. First operand has 130 places, 102 transitions, 1250 flow. Second operand 10 states and 1773 transitions. [2021-04-29 01:20:02,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 109 transitions, 1506 flow [2021-04-29 01:20:02,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 109 transitions, 1390 flow, removed 19 selfloop flow, removed 13 redundant places. [2021-04-29 01:20:02,215 INFO L241 Difference]: Finished difference. Result has 126 places, 54 transitions, 546 flow [2021-04-29 01:20:02,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=546, PETRI_PLACES=126, PETRI_TRANSITIONS=54} [2021-04-29 01:20:02,215 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -68 predicate places. [2021-04-29 01:20:02,215 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:02,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 54 transitions, 546 flow [2021-04-29 01:20:02,216 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 54 transitions, 546 flow [2021-04-29 01:20:02,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 54 transitions, 546 flow [2021-04-29 01:20:02,231 INFO L129 PetriNetUnfolder]: 18/134 cut-off events. [2021-04-29 01:20:02,231 INFO L130 PetriNetUnfolder]: For 486/486 co-relation queries the response was YES. [2021-04-29 01:20:02,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 134 events. 18/134 cut-off events. For 486/486 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 639 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 456. Up to 31 conditions per place. [2021-04-29 01:20:02,232 INFO L146 LiptonReduction]: Number of co-enabled transitions 60 [2021-04-29 01:20:02,235 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:02,235 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:20:02,235 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-04-29 01:20:02,236 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 54 transitions, 546 flow [2021-04-29 01:20:02,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 174.41666666666666) internal successors, (2093), 12 states have internal predecessors, (2093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,236 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:02,236 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:02,237 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-04-29 01:20:02,237 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:02,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:02,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1642453490, now seen corresponding path program 4 times [2021-04-29 01:20:02,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:02,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159167003] [2021-04-29 01:20:02,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:02,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:02,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:20:02,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:02,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 01:20:02,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:02,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:20:02,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:02,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:20:02,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:02,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:20:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:02,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159167003] [2021-04-29 01:20:02,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:02,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 01:20:02,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099862971] [2021-04-29 01:20:02,362 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 01:20:02,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:02,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 01:20:02,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 01:20:02,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 633 [2021-04-29 01:20:02,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 54 transitions, 546 flow. Second operand has 5 states, 5 states have (on average 247.8) internal successors, (1239), 5 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:02,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 633 [2021-04-29 01:20:02,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:02,678 INFO L129 PetriNetUnfolder]: 40/175 cut-off events. [2021-04-29 01:20:02,679 INFO L130 PetriNetUnfolder]: For 729/729 co-relation queries the response was YES. [2021-04-29 01:20:02,679 INFO L84 FinitePrefix]: Finished finitePrefix Result has 723 conditions, 175 events. 40/175 cut-off events. For 729/729 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 798 event pairs, 28 based on Foata normal form. 8/177 useless extension candidates. Maximal degree in co-relation 679. Up to 122 conditions per place. [2021-04-29 01:20:02,680 INFO L132 encePairwiseOnDemand]: 627/633 looper letters, 36 selfloop transitions, 8 changer transitions 0/53 dead transitions. [2021-04-29 01:20:02,680 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 53 transitions, 604 flow [2021-04-29 01:20:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 01:20:02,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 01:20:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1497 transitions. [2021-04-29 01:20:02,686 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.3941548183254344 [2021-04-29 01:20:02,686 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1497 transitions. [2021-04-29 01:20:02,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1497 transitions. [2021-04-29 01:20:02,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:02,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1497 transitions. [2021-04-29 01:20:02,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 249.5) internal successors, (1497), 6 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,693 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 633.0) internal successors, (4431), 7 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:02,693 INFO L185 Difference]: Start difference. First operand has 80 places, 54 transitions, 546 flow. Second operand 6 states and 1497 transitions. [2021-04-29 01:20:02,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 53 transitions, 604 flow [2021-04-29 01:20:02,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 53 transitions, 459 flow, removed 30 selfloop flow, removed 26 redundant places. [2021-04-29 01:20:02,698 INFO L241 Difference]: Finished difference. Result has 60 places, 49 transitions, 380 flow [2021-04-29 01:20:02,699 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=633, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=380, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2021-04-29 01:20:02,699 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -134 predicate places. [2021-04-29 01:20:02,699 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:02,700 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 49 transitions, 380 flow [2021-04-29 01:20:02,700 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 49 transitions, 380 flow [2021-04-29 01:20:02,700 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 49 transitions, 380 flow [2021-04-29 01:20:02,715 INFO L129 PetriNetUnfolder]: 12/110 cut-off events. [2021-04-29 01:20:02,715 INFO L130 PetriNetUnfolder]: For 182/185 co-relation queries the response was YES. [2021-04-29 01:20:02,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 110 events. 12/110 cut-off events. For 182/185 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 480 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 238. Up to 20 conditions per place. [2021-04-29 01:20:02,716 INFO L146 LiptonReduction]: Number of co-enabled transitions 42 [2021-04-29 01:20:03,321 INFO L158 LiptonReduction]: Checked pairs total: 48 [2021-04-29 01:20:03,321 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-29 01:20:03,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 622 [2021-04-29 01:20:03,322 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 383 flow [2021-04-29 01:20:03,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 247.8) internal successors, (1239), 5 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:03,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:03,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:03,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-04-29 01:20:03,322 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:03,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1005467864, now seen corresponding path program 5 times [2021-04-29 01:20:03,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:03,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867539717] [2021-04-29 01:20:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:03,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:03,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:20:03,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:03,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 01:20:03,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:03,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:20:03,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:03,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 01:20:03,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:03,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:20:03,568 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-04-29 01:20:03,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:20:03,640 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-04-29 01:20:03,641 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-04-29 01:20:03,748 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-04-29 01:20:03,750 INFO L147 QuantifierPusher]: treesize reduction 5, result has 89.1 percent of original size 41 [2021-04-29 01:20:03,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.1 percent of original size [2021-04-29 01:20:03,780 INFO L147 QuantifierPusher]: treesize reduction 5, result has 85.3 percent of original size 29 [2021-04-29 01:20:03,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-04-29 01:20:03,787 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.3 percent of original size 25 [2021-04-29 01:20:03,884 INFO L142 QuantifierPusher]: treesize reduction 9, result has 82.0 percent of original size [2021-04-29 01:20:03,885 INFO L147 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size 36 [2021-04-29 01:20:04,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 77.5 percent of original size [2021-04-29 01:20:04,002 INFO L147 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size 26 [2021-04-29 01:20:04,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:04,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:20:04,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:04,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:20:04,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:04,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:20:04,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:04,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:20:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:04,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867539717] [2021-04-29 01:20:04,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:04,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-04-29 01:20:04,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556623348] [2021-04-29 01:20:04,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-04-29 01:20:04,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:04,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-04-29 01:20:04,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-04-29 01:20:04,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 637 [2021-04-29 01:20:04,185 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 383 flow. Second operand has 14 states, 14 states have (on average 169.42857142857142) internal successors, (2372), 14 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:04,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:04,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 637 [2021-04-29 01:20:04,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:04,901 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2021-04-29 01:20:05,212 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2021-04-29 01:20:05,460 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2021-04-29 01:20:05,658 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2021-04-29 01:20:06,103 INFO L129 PetriNetUnfolder]: 48/197 cut-off events. [2021-04-29 01:20:06,103 INFO L130 PetriNetUnfolder]: For 338/338 co-relation queries the response was YES. [2021-04-29 01:20:06,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 672 conditions, 197 events. 48/197 cut-off events. For 338/338 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 985 event pairs, 6 based on Foata normal form. 5/182 useless extension candidates. Maximal degree in co-relation 580. Up to 51 conditions per place. [2021-04-29 01:20:06,104 INFO L132 encePairwiseOnDemand]: 624/637 looper letters, 35 selfloop transitions, 25 changer transitions 16/76 dead transitions. [2021-04-29 01:20:06,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 76 transitions, 631 flow [2021-04-29 01:20:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-29 01:20:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-04-29 01:20:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2246 transitions. [2021-04-29 01:20:06,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2712232822122932 [2021-04-29 01:20:06,110 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2246 transitions. [2021-04-29 01:20:06,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2246 transitions. [2021-04-29 01:20:06,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:06,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2246 transitions. [2021-04-29 01:20:06,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 172.76923076923077) internal successors, (2246), 13 states have internal predecessors, (2246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:06,116 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 637.0) internal successors, (8918), 14 states have internal predecessors, (8918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:06,116 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 637.0) internal successors, (8918), 14 states have internal predecessors, (8918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:06,116 INFO L185 Difference]: Start difference. First operand has 61 places, 50 transitions, 383 flow. Second operand 13 states and 2246 transitions. [2021-04-29 01:20:06,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 76 transitions, 631 flow [2021-04-29 01:20:06,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 76 transitions, 618 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 01:20:06,119 INFO L241 Difference]: Finished difference. Result has 74 places, 48 transitions, 428 flow [2021-04-29 01:20:06,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=428, PETRI_PLACES=74, PETRI_TRANSITIONS=48} [2021-04-29 01:20:06,119 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -120 predicate places. [2021-04-29 01:20:06,119 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:06,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 48 transitions, 428 flow [2021-04-29 01:20:06,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 48 transitions, 428 flow [2021-04-29 01:20:06,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 48 transitions, 428 flow [2021-04-29 01:20:06,129 INFO L129 PetriNetUnfolder]: 8/101 cut-off events. [2021-04-29 01:20:06,130 INFO L130 PetriNetUnfolder]: For 290/296 co-relation queries the response was YES. [2021-04-29 01:20:06,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 101 events. 8/101 cut-off events. For 290/296 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 426 event pairs, 0 based on Foata normal form. 4/101 useless extension candidates. Maximal degree in co-relation 321. Up to 18 conditions per place. [2021-04-29 01:20:06,130 INFO L146 LiptonReduction]: Number of co-enabled transitions 40 [2021-04-29 01:20:06,132 INFO L158 LiptonReduction]: Checked pairs total: 25 [2021-04-29 01:20:06,132 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:20:06,132 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-04-29 01:20:06,133 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 48 transitions, 428 flow [2021-04-29 01:20:06,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 169.42857142857142) internal successors, (2372), 14 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:06,133 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:06,133 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:06,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-04-29 01:20:06,134 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:06,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:06,134 INFO L82 PathProgramCache]: Analyzing trace with hash -924318504, now seen corresponding path program 1 times [2021-04-29 01:20:06,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:06,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589101081] [2021-04-29 01:20:06,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:06,212 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-04-29 01:20:06,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:20:06,263 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.7 percent of original size [2021-04-29 01:20:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 01:20:06,322 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.1 percent of original size [2021-04-29 01:20:06,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:20:06,389 INFO L142 QuantifierPusher]: treesize reduction 3, result has 92.3 percent of original size [2021-04-29 01:20:06,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 01:20:06,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-29 01:20:06,638 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-04-29 01:20:06,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-29 01:20:06,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-29 01:20:06,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:20:06,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 01:20:06,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:20:06,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:06,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:20:07,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:07,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:20:07,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:07,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:20:07,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:07,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:20:07,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:07,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:20:07,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:07,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:20:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:07,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589101081] [2021-04-29 01:20:07,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:07,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-29 01:20:07,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927180355] [2021-04-29 01:20:07,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:20:07,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:07,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:20:07,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:20:07,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 637 [2021-04-29 01:20:07,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 48 transitions, 428 flow. Second operand has 13 states, 13 states have (on average 169.3846153846154) internal successors, (2202), 13 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:07,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:07,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 637 [2021-04-29 01:20:07,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:07,650 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-04-29 01:20:07,884 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-04-29 01:20:08,179 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-04-29 01:20:08,435 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2021-04-29 01:20:08,826 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 63 [2021-04-29 01:20:09,357 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2021-04-29 01:20:09,789 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2021-04-29 01:20:10,118 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 50 [2021-04-29 01:20:10,839 INFO L129 PetriNetUnfolder]: 31/145 cut-off events. [2021-04-29 01:20:10,839 INFO L130 PetriNetUnfolder]: For 473/473 co-relation queries the response was YES. [2021-04-29 01:20:10,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 145 events. 31/145 cut-off events. For 473/473 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 613 event pairs, 14 based on Foata normal form. 2/144 useless extension candidates. Maximal degree in co-relation 603. Up to 94 conditions per place. [2021-04-29 01:20:10,840 INFO L132 encePairwiseOnDemand]: 626/637 looper letters, 36 selfloop transitions, 16 changer transitions 15/67 dead transitions. [2021-04-29 01:20:10,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 67 transitions, 673 flow [2021-04-29 01:20:10,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-04-29 01:20:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-04-29 01:20:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2404 transitions. [2021-04-29 01:20:10,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2695671675263512 [2021-04-29 01:20:10,846 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2404 transitions. [2021-04-29 01:20:10,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2404 transitions. [2021-04-29 01:20:10,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:10,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2404 transitions. [2021-04-29 01:20:10,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 171.71428571428572) internal successors, (2404), 14 states have internal predecessors, (2404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:10,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 637.0) internal successors, (9555), 15 states have internal predecessors, (9555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:10,857 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 637.0) internal successors, (9555), 15 states have internal predecessors, (9555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:10,858 INFO L185 Difference]: Start difference. First operand has 70 places, 48 transitions, 428 flow. Second operand 14 states and 2404 transitions. [2021-04-29 01:20:10,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 67 transitions, 673 flow [2021-04-29 01:20:10,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 67 transitions, 629 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-04-29 01:20:10,862 INFO L241 Difference]: Finished difference. Result has 81 places, 49 transitions, 456 flow [2021-04-29 01:20:10,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=637, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=456, PETRI_PLACES=81, PETRI_TRANSITIONS=49} [2021-04-29 01:20:10,863 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -113 predicate places. [2021-04-29 01:20:10,863 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:10,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 49 transitions, 456 flow [2021-04-29 01:20:10,863 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 49 transitions, 456 flow [2021-04-29 01:20:10,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 49 transitions, 456 flow [2021-04-29 01:20:10,877 INFO L129 PetriNetUnfolder]: 5/83 cut-off events. [2021-04-29 01:20:10,877 INFO L130 PetriNetUnfolder]: For 346/352 co-relation queries the response was YES. [2021-04-29 01:20:10,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 83 events. 5/83 cut-off events. For 346/352 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 300 event pairs, 0 based on Foata normal form. 1/81 useless extension candidates. Maximal degree in co-relation 311. Up to 14 conditions per place. [2021-04-29 01:20:10,878 INFO L146 LiptonReduction]: Number of co-enabled transitions 34 [2021-04-29 01:20:11,001 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:20:11,646 INFO L158 LiptonReduction]: Checked pairs total: 50 [2021-04-29 01:20:11,646 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 01:20:11,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 784 [2021-04-29 01:20:11,648 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 50 transitions, 470 flow [2021-04-29 01:20:11,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 169.3846153846154) internal successors, (2202), 13 states have internal predecessors, (2202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:11,648 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:11,648 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:11,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-04-29 01:20:11,648 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:11,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:11,649 INFO L82 PathProgramCache]: Analyzing trace with hash 732984719, now seen corresponding path program 1 times [2021-04-29 01:20:11,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:11,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880295836] [2021-04-29 01:20:11,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:11,721 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.0 percent of original size [2021-04-29 01:20:11,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 01:20:11,753 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-04-29 01:20:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:20:11,790 INFO L142 QuantifierPusher]: treesize reduction 18, result has 37.9 percent of original size [2021-04-29 01:20:11,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 01:20:11,822 INFO L142 QuantifierPusher]: treesize reduction 19, result has 51.3 percent of original size [2021-04-29 01:20:11,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:20:11,863 INFO L142 QuantifierPusher]: treesize reduction 19, result has 58.7 percent of original size [2021-04-29 01:20:11,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:20:11,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:11,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:11,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:11,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:11,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880295836] [2021-04-29 01:20:11,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:11,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 01:20:11,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607128987] [2021-04-29 01:20:11,926 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 01:20:11,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:11,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 01:20:11,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 01:20:11,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 639 [2021-04-29 01:20:11,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 50 transitions, 470 flow. Second operand has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:11,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:11,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 639 [2021-04-29 01:20:11,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:12,451 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-04-29 01:20:12,597 INFO L129 PetriNetUnfolder]: 14/100 cut-off events. [2021-04-29 01:20:12,597 INFO L130 PetriNetUnfolder]: For 522/533 co-relation queries the response was YES. [2021-04-29 01:20:12,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 100 events. 14/100 cut-off events. For 522/533 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 387 event pairs, 5 based on Foata normal form. 2/100 useless extension candidates. Maximal degree in co-relation 453. Up to 34 conditions per place. [2021-04-29 01:20:12,598 INFO L132 encePairwiseOnDemand]: 631/639 looper letters, 28 selfloop transitions, 18 changer transitions 2/54 dead transitions. [2021-04-29 01:20:12,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 54 transitions, 569 flow [2021-04-29 01:20:12,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 01:20:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 01:20:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1324 transitions. [2021-04-29 01:20:12,603 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2959982114911692 [2021-04-29 01:20:12,603 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1324 transitions. [2021-04-29 01:20:12,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1324 transitions. [2021-04-29 01:20:12,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:12,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1324 transitions. [2021-04-29 01:20:12,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 189.14285714285714) internal successors, (1324), 7 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:12,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 639.0) internal successors, (5112), 8 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:12,608 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 639.0) internal successors, (5112), 8 states have internal predecessors, (5112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:12,608 INFO L185 Difference]: Start difference. First operand has 79 places, 50 transitions, 470 flow. Second operand 7 states and 1324 transitions. [2021-04-29 01:20:12,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 54 transitions, 569 flow [2021-04-29 01:20:12,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 54 transitions, 503 flow, removed 11 selfloop flow, removed 14 redundant places. [2021-04-29 01:20:12,611 INFO L241 Difference]: Finished difference. Result has 73 places, 48 transitions, 431 flow [2021-04-29 01:20:12,612 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=639, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=73, PETRI_TRANSITIONS=48} [2021-04-29 01:20:12,612 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -121 predicate places. [2021-04-29 01:20:12,612 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:12,612 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 48 transitions, 431 flow [2021-04-29 01:20:12,612 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 48 transitions, 431 flow [2021-04-29 01:20:12,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 48 transitions, 431 flow [2021-04-29 01:20:12,624 INFO L129 PetriNetUnfolder]: 5/81 cut-off events. [2021-04-29 01:20:12,624 INFO L130 PetriNetUnfolder]: For 339/342 co-relation queries the response was YES. [2021-04-29 01:20:12,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 81 events. 5/81 cut-off events. For 339/342 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 301 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 268. Up to 12 conditions per place. [2021-04-29 01:20:12,625 INFO L146 LiptonReduction]: Number of co-enabled transitions 34 [2021-04-29 01:20:12,816 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:12,990 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:20:13,171 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:13,324 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:20:13,573 INFO L158 LiptonReduction]: Checked pairs total: 75 [2021-04-29 01:20:13,573 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 01:20:13,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 961 [2021-04-29 01:20:13,574 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 49 transitions, 458 flow [2021-04-29 01:20:13,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 186.0) internal successors, (1302), 7 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:13,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:13,575 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:13,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-04-29 01:20:13,575 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:13,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:13,576 INFO L82 PathProgramCache]: Analyzing trace with hash 902324529, now seen corresponding path program 1 times [2021-04-29 01:20:13,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:13,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225332936] [2021-04-29 01:20:13,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:13,678 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.3 percent of original size [2021-04-29 01:20:13,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 01:20:13,726 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-29 01:20:13,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 01:20:13,770 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.1 percent of original size [2021-04-29 01:20:13,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 01:20:13,830 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-04-29 01:20:13,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:20:13,889 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-04-29 01:20:13,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 01:20:13,957 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:20:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:20:14,019 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size [2021-04-29 01:20:14,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:20:14,085 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-04-29 01:20:14,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:20:14,121 INFO L142 QuantifierPusher]: treesize reduction 49, result has 33.8 percent of original size [2021-04-29 01:20:14,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 01:20:14,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:14,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:14,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:14,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:14,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:14,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:14,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225332936] [2021-04-29 01:20:14,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:14,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 01:20:14,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572497506] [2021-04-29 01:20:14,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 01:20:14,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 01:20:14,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-04-29 01:20:14,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 641 [2021-04-29 01:20:14,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 49 transitions, 458 flow. Second operand has 11 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:14,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:14,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 641 [2021-04-29 01:20:14,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:14,695 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2021-04-29 01:20:14,924 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2021-04-29 01:20:15,430 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2021-04-29 01:20:15,701 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2021-04-29 01:20:15,995 INFO L129 PetriNetUnfolder]: 18/118 cut-off events. [2021-04-29 01:20:15,995 INFO L130 PetriNetUnfolder]: For 621/641 co-relation queries the response was YES. [2021-04-29 01:20:15,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 555 conditions, 118 events. 18/118 cut-off events. For 621/641 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 518 event pairs, 8 based on Foata normal form. 3/120 useless extension candidates. Maximal degree in co-relation 468. Up to 66 conditions per place. [2021-04-29 01:20:15,996 INFO L132 encePairwiseOnDemand]: 627/641 looper letters, 32 selfloop transitions, 4 changer transitions 21/61 dead transitions. [2021-04-29 01:20:15,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 61 transitions, 653 flow [2021-04-29 01:20:15,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 01:20:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 01:20:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1606 transitions. [2021-04-29 01:20:16,002 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27838446871208183 [2021-04-29 01:20:16,002 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1606 transitions. [2021-04-29 01:20:16,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1606 transitions. [2021-04-29 01:20:16,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:16,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1606 transitions. [2021-04-29 01:20:16,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 178.44444444444446) internal successors, (1606), 9 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:16,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 641.0) internal successors, (6410), 10 states have internal predecessors, (6410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:16,010 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 641.0) internal successors, (6410), 10 states have internal predecessors, (6410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:16,010 INFO L185 Difference]: Start difference. First operand has 72 places, 49 transitions, 458 flow. Second operand 9 states and 1606 transitions. [2021-04-29 01:20:16,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 61 transitions, 653 flow [2021-04-29 01:20:16,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 61 transitions, 626 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-04-29 01:20:16,015 INFO L241 Difference]: Finished difference. Result has 80 places, 40 transitions, 351 flow [2021-04-29 01:20:16,015 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=351, PETRI_PLACES=80, PETRI_TRANSITIONS=40} [2021-04-29 01:20:16,016 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -114 predicate places. [2021-04-29 01:20:16,016 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:16,016 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 40 transitions, 351 flow [2021-04-29 01:20:16,016 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 40 transitions, 351 flow [2021-04-29 01:20:16,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 40 transitions, 351 flow [2021-04-29 01:20:16,027 INFO L129 PetriNetUnfolder]: 3/65 cut-off events. [2021-04-29 01:20:16,028 INFO L130 PetriNetUnfolder]: For 264/270 co-relation queries the response was YES. [2021-04-29 01:20:16,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 65 events. 3/65 cut-off events. For 264/270 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 221 event pairs, 0 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 229. Up to 11 conditions per place. [2021-04-29 01:20:16,029 INFO L146 LiptonReduction]: Number of co-enabled transitions 34 [2021-04-29 01:20:16,030 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:16,030 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:20:16,031 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 01:20:16,032 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 40 transitions, 351 flow [2021-04-29 01:20:16,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:16,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:16,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:16,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-04-29 01:20:16,033 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:16,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:16,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1355477900, now seen corresponding path program 1 times [2021-04-29 01:20:16,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:16,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816765060] [2021-04-29 01:20:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:16,134 INFO L142 QuantifierPusher]: treesize reduction 10, result has 78.3 percent of original size [2021-04-29 01:20:16,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 01:20:16,185 INFO L142 QuantifierPusher]: treesize reduction 10, result has 73.7 percent of original size [2021-04-29 01:20:16,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 01:20:16,231 INFO L142 QuantifierPusher]: treesize reduction 7, result has 84.1 percent of original size [2021-04-29 01:20:16,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-29 01:20:16,299 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.8 percent of original size [2021-04-29 01:20:16,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-29 01:20:16,376 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 01:20:16,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 01:20:16,453 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:20:16,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:20:16,516 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.9 percent of original size [2021-04-29 01:20:16,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:20:16,586 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-04-29 01:20:16,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:20:16,627 INFO L142 QuantifierPusher]: treesize reduction 49, result has 33.8 percent of original size [2021-04-29 01:20:16,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 01:20:16,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:16,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:16,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:16,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:16,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:16,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:16,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816765060] [2021-04-29 01:20:16,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:16,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 01:20:16,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642604519] [2021-04-29 01:20:16,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 01:20:16,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:16,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 01:20:16,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-04-29 01:20:16,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 641 [2021-04-29 01:20:16,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 40 transitions, 351 flow. Second operand has 11 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:16,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:16,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 641 [2021-04-29 01:20:16,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:17,485 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-04-29 01:20:17,761 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2021-04-29 01:20:18,098 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2021-04-29 01:20:18,360 INFO L129 PetriNetUnfolder]: 13/83 cut-off events. [2021-04-29 01:20:18,360 INFO L130 PetriNetUnfolder]: For 415/426 co-relation queries the response was YES. [2021-04-29 01:20:18,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 83 events. 13/83 cut-off events. For 415/426 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 292 event pairs, 0 based on Foata normal form. 3/85 useless extension candidates. Maximal degree in co-relation 374. Up to 27 conditions per place. [2021-04-29 01:20:18,361 INFO L132 encePairwiseOnDemand]: 631/641 looper letters, 24 selfloop transitions, 9 changer transitions 12/49 dead transitions. [2021-04-29 01:20:18,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 49 transitions, 491 flow [2021-04-29 01:20:18,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 01:20:18,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 01:20:18,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1602 transitions. [2021-04-29 01:20:18,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27769110764430577 [2021-04-29 01:20:18,366 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1602 transitions. [2021-04-29 01:20:18,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1602 transitions. [2021-04-29 01:20:18,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:18,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1602 transitions. [2021-04-29 01:20:18,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 178.0) internal successors, (1602), 9 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:18,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 641.0) internal successors, (6410), 10 states have internal predecessors, (6410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:18,373 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 641.0) internal successors, (6410), 10 states have internal predecessors, (6410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:18,373 INFO L185 Difference]: Start difference. First operand has 69 places, 40 transitions, 351 flow. Second operand 9 states and 1602 transitions. [2021-04-29 01:20:18,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 49 transitions, 491 flow [2021-04-29 01:20:18,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 49 transitions, 455 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-04-29 01:20:18,377 INFO L241 Difference]: Finished difference. Result has 68 places, 35 transitions, 279 flow [2021-04-29 01:20:18,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=641, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=279, PETRI_PLACES=68, PETRI_TRANSITIONS=35} [2021-04-29 01:20:18,377 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -126 predicate places. [2021-04-29 01:20:18,377 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:18,377 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 35 transitions, 279 flow [2021-04-29 01:20:18,378 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 35 transitions, 279 flow [2021-04-29 01:20:18,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 35 transitions, 279 flow [2021-04-29 01:20:18,384 INFO L129 PetriNetUnfolder]: 3/52 cut-off events. [2021-04-29 01:20:18,384 INFO L130 PetriNetUnfolder]: For 176/176 co-relation queries the response was YES. [2021-04-29 01:20:18,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 52 events. 3/52 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 165. Up to 8 conditions per place. [2021-04-29 01:20:18,385 INFO L146 LiptonReduction]: Number of co-enabled transitions 18 [2021-04-29 01:20:18,576 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:18,747 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:20:18,925 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:19,074 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:20:19,079 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:19,080 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:20:19,080 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 703 [2021-04-29 01:20:19,081 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 35 transitions, 286 flow [2021-04-29 01:20:19,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 175.36363636363637) internal successors, (1929), 11 states have internal predecessors, (1929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:19,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:19,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:19,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-04-29 01:20:19,081 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:19,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:19,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1509784186, now seen corresponding path program 1 times [2021-04-29 01:20:19,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:19,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147350757] [2021-04-29 01:20:19,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:19,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:20:19,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-29 01:20:19,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:20:19,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:20:19,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-04-29 01:20:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 01:20:19,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:20:19,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-29 01:20:19,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 01:20:19,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:20:19,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 01:20:19,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:20:19,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 01:20:19,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 01:20:19,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 01:20:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:19,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147350757] [2021-04-29 01:20:19,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:19,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-04-29 01:20:19,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326638068] [2021-04-29 01:20:19,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-04-29 01:20:19,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:19,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-04-29 01:20:19,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-04-29 01:20:19,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 642 [2021-04-29 01:20:19,983 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 35 transitions, 286 flow. Second operand has 13 states, 13 states have (on average 169.30769230769232) internal successors, (2201), 13 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:19,983 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:19,983 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 642 [2021-04-29 01:20:19,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:20,343 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2021-04-29 01:20:20,650 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2021-04-29 01:20:21,047 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2021-04-29 01:20:21,587 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-04-29 01:20:22,170 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2021-04-29 01:20:22,559 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-04-29 01:20:22,900 INFO L129 PetriNetUnfolder]: 10/64 cut-off events. [2021-04-29 01:20:22,901 INFO L130 PetriNetUnfolder]: For 263/263 co-relation queries the response was YES. [2021-04-29 01:20:22,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 64 events. 10/64 cut-off events. For 263/263 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 171 event pairs, 0 based on Foata normal form. 1/63 useless extension candidates. Maximal degree in co-relation 280. Up to 14 conditions per place. [2021-04-29 01:20:22,901 INFO L132 encePairwiseOnDemand]: 630/642 looper letters, 20 selfloop transitions, 15 changer transitions 11/46 dead transitions. [2021-04-29 01:20:22,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 46 transitions, 426 flow [2021-04-29 01:20:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-04-29 01:20:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-04-29 01:20:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2055 transitions. [2021-04-29 01:20:22,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.2667445482866044 [2021-04-29 01:20:22,907 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2055 transitions. [2021-04-29 01:20:22,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2055 transitions. [2021-04-29 01:20:22,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:22,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2055 transitions. [2021-04-29 01:20:22,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 171.25) internal successors, (2055), 12 states have internal predecessors, (2055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:22,916 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 642.0) internal successors, (8346), 13 states have internal predecessors, (8346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:22,917 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 642.0) internal successors, (8346), 13 states have internal predecessors, (8346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:22,918 INFO L185 Difference]: Start difference. First operand has 63 places, 35 transitions, 286 flow. Second operand 12 states and 2055 transitions. [2021-04-29 01:20:22,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 46 transitions, 426 flow [2021-04-29 01:20:22,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 46 transitions, 357 flow, removed 9 selfloop flow, removed 11 redundant places. [2021-04-29 01:20:22,921 INFO L241 Difference]: Finished difference. Result has 64 places, 32 transitions, 243 flow [2021-04-29 01:20:22,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=642, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=243, PETRI_PLACES=64, PETRI_TRANSITIONS=32} [2021-04-29 01:20:22,921 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -130 predicate places. [2021-04-29 01:20:22,921 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:22,921 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 32 transitions, 243 flow [2021-04-29 01:20:22,922 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 32 transitions, 243 flow [2021-04-29 01:20:22,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 32 transitions, 243 flow [2021-04-29 01:20:22,930 INFO L129 PetriNetUnfolder]: 1/43 cut-off events. [2021-04-29 01:20:22,930 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-04-29 01:20:22,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 43 events. 1/43 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 87 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 117. Up to 6 conditions per place. [2021-04-29 01:20:22,931 INFO L146 LiptonReduction]: Number of co-enabled transitions 4 [2021-04-29 01:20:23,413 INFO L158 LiptonReduction]: Checked pairs total: 3 [2021-04-29 01:20:23,413 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-29 01:20:23,413 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-04-29 01:20:23,414 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 32 transitions, 243 flow [2021-04-29 01:20:23,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 169.30769230769232) internal successors, (2201), 13 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:23,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:23,415 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:23,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-04-29 01:20:23,415 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:23,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:23,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1002407420, now seen corresponding path program 1 times [2021-04-29 01:20:23,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:23,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742810567] [2021-04-29 01:20:23,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:23,509 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:20:23,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:20:23,548 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:20:23,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:20:23,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size [2021-04-29 01:20:23,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:20:23,642 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 01:20:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:20:23,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-04-29 01:20:23,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:20:23,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-04-29 01:20:23,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 01:20:23,803 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.9 percent of original size [2021-04-29 01:20:23,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-04-29 01:20:23,923 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-04-29 01:20:23,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-04-29 01:20:24,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:24,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:24,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:24,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:24,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:24,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:24,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742810567] [2021-04-29 01:20:24,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:24,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-29 01:20:24,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749122325] [2021-04-29 01:20:24,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-29 01:20:24,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:24,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-29 01:20:24,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-04-29 01:20:24,103 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 645 [2021-04-29 01:20:24,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 32 transitions, 243 flow. Second operand has 10 states, 10 states have (on average 175.4) internal successors, (1754), 10 states have internal predecessors, (1754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:24,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:24,105 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 645 [2021-04-29 01:20:24,105 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:24,634 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2021-04-29 01:20:24,881 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2021-04-29 01:20:25,115 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2021-04-29 01:20:25,245 INFO L129 PetriNetUnfolder]: 2/46 cut-off events. [2021-04-29 01:20:25,245 INFO L130 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2021-04-29 01:20:25,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 46 events. 2/46 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 108 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 167. Up to 20 conditions per place. [2021-04-29 01:20:25,245 INFO L132 encePairwiseOnDemand]: 636/645 looper letters, 21 selfloop transitions, 8 changer transitions 2/33 dead transitions. [2021-04-29 01:20:25,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 33 transitions, 320 flow [2021-04-29 01:20:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 01:20:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 01:20:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 1066 transitions. [2021-04-29 01:20:25,250 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27545219638242896 [2021-04-29 01:20:25,250 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1066 transitions. [2021-04-29 01:20:25,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1066 transitions. [2021-04-29 01:20:25,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:25,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1066 transitions. [2021-04-29 01:20:25,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.66666666666666) internal successors, (1066), 6 states have internal predecessors, (1066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:25,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 645.0) internal successors, (4515), 7 states have internal predecessors, (4515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:25,256 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 645.0) internal successors, (4515), 7 states have internal predecessors, (4515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:25,256 INFO L185 Difference]: Start difference. First operand has 59 places, 32 transitions, 243 flow. Second operand 6 states and 1066 transitions. [2021-04-29 01:20:25,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 33 transitions, 320 flow [2021-04-29 01:20:25,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 33 transitions, 253 flow, removed 3 selfloop flow, removed 15 redundant places. [2021-04-29 01:20:25,259 INFO L241 Difference]: Finished difference. Result has 51 places, 31 transitions, 195 flow [2021-04-29 01:20:25,259 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=645, PETRI_DIFFERENCE_MINUEND_FLOW=179, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=195, PETRI_PLACES=51, PETRI_TRANSITIONS=31} [2021-04-29 01:20:25,259 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -143 predicate places. [2021-04-29 01:20:25,259 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:25,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 31 transitions, 195 flow [2021-04-29 01:20:25,260 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 31 transitions, 195 flow [2021-04-29 01:20:25,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 31 transitions, 195 flow [2021-04-29 01:20:25,266 INFO L129 PetriNetUnfolder]: 1/40 cut-off events. [2021-04-29 01:20:25,267 INFO L130 PetriNetUnfolder]: For 58/58 co-relation queries the response was YES. [2021-04-29 01:20:25,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 40 events. 1/40 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 74 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 90. Up to 6 conditions per place. [2021-04-29 01:20:25,267 INFO L146 LiptonReduction]: Number of co-enabled transitions 2 [2021-04-29 01:20:25,491 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 01:20:25,797 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:26,032 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 01:20:26,313 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:26,533 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 01:20:26,819 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:27,092 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 01:20:27,387 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:27,391 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:27,391 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 01:20:27,391 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2132 [2021-04-29 01:20:27,392 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 212 flow [2021-04-29 01:20:27,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 175.4) internal successors, (1754), 10 states have internal predecessors, (1754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:27,393 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:27,393 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:27,393 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-04-29 01:20:27,393 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:27,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash -796018591, now seen corresponding path program 1 times [2021-04-29 01:20:27,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:27,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380399548] [2021-04-29 01:20:27,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:27,485 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-04-29 01:20:27,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 01:20:27,530 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.1 percent of original size [2021-04-29 01:20:27,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 01:20:27,572 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.0 percent of original size [2021-04-29 01:20:27,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 01:20:27,635 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-04-29 01:20:27,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-29 01:20:27,692 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-04-29 01:20:27,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 01:20:27,769 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-04-29 01:20:27,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 01:20:27,836 INFO L142 QuantifierPusher]: treesize reduction 53, result has 49.0 percent of original size [2021-04-29 01:20:27,838 INFO L147 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size 40 [2021-04-29 01:20:27,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:27,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:27,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:27,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:27,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:27,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:27,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380399548] [2021-04-29 01:20:27,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:27,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 01:20:27,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110017750] [2021-04-29 01:20:27,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 01:20:27,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:27,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 01:20:27,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-04-29 01:20:27,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 647 [2021-04-29 01:20:27,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 32 transitions, 212 flow. Second operand has 9 states, 9 states have (on average 176.44444444444446) internal successors, (1588), 9 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:27,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:27,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 647 [2021-04-29 01:20:27,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:28,457 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2021-04-29 01:20:28,770 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2021-04-29 01:20:29,043 INFO L129 PetriNetUnfolder]: 1/44 cut-off events. [2021-04-29 01:20:29,044 INFO L130 PetriNetUnfolder]: For 80/80 co-relation queries the response was YES. [2021-04-29 01:20:29,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 44 events. 1/44 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 1 based on Foata normal form. 1/43 useless extension candidates. Maximal degree in co-relation 143. Up to 15 conditions per place. [2021-04-29 01:20:29,044 INFO L132 encePairwiseOnDemand]: 635/647 looper letters, 17 selfloop transitions, 10 changer transitions 4/33 dead transitions. [2021-04-29 01:20:29,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 33 transitions, 277 flow [2021-04-29 01:20:29,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 01:20:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 01:20:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1250 transitions. [2021-04-29 01:20:29,050 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.27599911680282624 [2021-04-29 01:20:29,050 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1250 transitions. [2021-04-29 01:20:29,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1250 transitions. [2021-04-29 01:20:29,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:29,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1250 transitions. [2021-04-29 01:20:29,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 178.57142857142858) internal successors, (1250), 7 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 647.0) internal successors, (5176), 8 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,053 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 647.0) internal successors, (5176), 8 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,054 INFO L185 Difference]: Start difference. First operand has 48 places, 32 transitions, 212 flow. Second operand 7 states and 1250 transitions. [2021-04-29 01:20:29,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 33 transitions, 277 flow [2021-04-29 01:20:29,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 33 transitions, 251 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-04-29 01:20:29,055 INFO L241 Difference]: Finished difference. Result has 50 places, 28 transitions, 177 flow [2021-04-29 01:20:29,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=647, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=177, PETRI_PLACES=50, PETRI_TRANSITIONS=28} [2021-04-29 01:20:29,055 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -144 predicate places. [2021-04-29 01:20:29,055 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:29,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 28 transitions, 177 flow [2021-04-29 01:20:29,056 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 28 transitions, 177 flow [2021-04-29 01:20:29,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 28 transitions, 177 flow [2021-04-29 01:20:29,060 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-04-29 01:20:29,060 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2021-04-29 01:20:29,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 34 events. 0/34 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-29 01:20:29,060 INFO L146 LiptonReduction]: Number of co-enabled transitions 2 [2021-04-29 01:20:29,061 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:29,061 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:20:29,061 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-04-29 01:20:29,062 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 28 transitions, 177 flow [2021-04-29 01:20:29,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 176.44444444444446) internal successors, (1588), 9 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,062 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:29,062 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:29,062 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-04-29 01:20:29,062 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:29,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:29,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1244220518, now seen corresponding path program 1 times [2021-04-29 01:20:29,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:29,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256398291] [2021-04-29 01:20:29,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:29,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:29,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:29,156 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-04-29 01:20:29,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-04-29 01:20:29,188 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-29 01:20:29,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 01:20:29,223 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-04-29 01:20:29,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-29 01:20:29,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:29,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:29,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:29,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:29,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256398291] [2021-04-29 01:20:29,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:29,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 01:20:29,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055237727] [2021-04-29 01:20:29,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 01:20:29,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:29,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 01:20:29,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-29 01:20:29,323 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 647 [2021-04-29 01:20:29,324 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 28 transitions, 177 flow. Second operand has 7 states, 7 states have (on average 185.57142857142858) internal successors, (1299), 7 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:29,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 647 [2021-04-29 01:20:29,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:29,792 INFO L129 PetriNetUnfolder]: 1/35 cut-off events. [2021-04-29 01:20:29,792 INFO L130 PetriNetUnfolder]: For 69/69 co-relation queries the response was YES. [2021-04-29 01:20:29,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 35 events. 1/35 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 109. Up to 11 conditions per place. [2021-04-29 01:20:29,793 INFO L132 encePairwiseOnDemand]: 641/647 looper letters, 15 selfloop transitions, 6 changer transitions 5/29 dead transitions. [2021-04-29 01:20:29,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 29 transitions, 226 flow [2021-04-29 01:20:29,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 01:20:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 01:20:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1128 transitions. [2021-04-29 01:20:29,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.29057187017001546 [2021-04-29 01:20:29,798 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1128 transitions. [2021-04-29 01:20:29,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1128 transitions. [2021-04-29 01:20:29,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:29,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1128 transitions. [2021-04-29 01:20:29,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 647.0) internal successors, (4529), 7 states have internal predecessors, (4529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,804 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 647.0) internal successors, (4529), 7 states have internal predecessors, (4529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:29,804 INFO L185 Difference]: Start difference. First operand has 49 places, 28 transitions, 177 flow. Second operand 6 states and 1128 transitions. [2021-04-29 01:20:29,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 29 transitions, 226 flow [2021-04-29 01:20:29,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 29 transitions, 186 flow, removed 3 selfloop flow, removed 10 redundant places. [2021-04-29 01:20:29,806 INFO L241 Difference]: Finished difference. Result has 43 places, 23 transitions, 117 flow [2021-04-29 01:20:29,806 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=647, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=117, PETRI_PLACES=43, PETRI_TRANSITIONS=23} [2021-04-29 01:20:29,806 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -151 predicate places. [2021-04-29 01:20:29,806 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:29,806 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 23 transitions, 117 flow [2021-04-29 01:20:29,807 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 23 transitions, 117 flow [2021-04-29 01:20:29,807 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 23 transitions, 117 flow [2021-04-29 01:20:29,812 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-04-29 01:20:29,812 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-04-29 01:20:29,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 26 events. 0/26 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-29 01:20:29,813 INFO L146 LiptonReduction]: Number of co-enabled transitions 2 [2021-04-29 01:20:29,915 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 01:20:30,209 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:30,209 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 01:20:30,209 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 403 [2021-04-29 01:20:30,210 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 23 transitions, 124 flow [2021-04-29 01:20:30,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 185.57142857142858) internal successors, (1299), 7 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:30,211 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:30,211 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:30,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-04-29 01:20:30,211 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:30,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1406737148, now seen corresponding path program 1 times [2021-04-29 01:20:30,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:30,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77462952] [2021-04-29 01:20:30,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:30,334 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:20:30,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:20:30,375 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:20:30,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:20:30,414 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-04-29 01:20:30,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-29 01:20:30,457 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-04-29 01:20:30,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-29 01:20:30,513 INFO L142 QuantifierPusher]: treesize reduction 40, result has 57.0 percent of original size [2021-04-29 01:20:30,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 01:20:30,543 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-04-29 01:20:30,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 01:20:30,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:30,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 01:20:30,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:30,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:30,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:30,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:30,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:30,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:30,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77462952] [2021-04-29 01:20:30,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:30,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 01:20:30,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804189455] [2021-04-29 01:20:30,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 01:20:30,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:30,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 01:20:30,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-04-29 01:20:30,688 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 648 [2021-04-29 01:20:30,689 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 23 transitions, 124 flow. Second operand has 9 states, 9 states have (on average 185.33333333333334) internal successors, (1668), 9 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:30,689 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:30,689 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 648 [2021-04-29 01:20:30,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:31,233 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-04-29 01:20:31,595 INFO L129 PetriNetUnfolder]: 1/27 cut-off events. [2021-04-29 01:20:31,595 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-04-29 01:20:31,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 27 events. 1/27 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 54. Up to 5 conditions per place. [2021-04-29 01:20:31,596 INFO L132 encePairwiseOnDemand]: 638/648 looper letters, 6 selfloop transitions, 5 changer transitions 9/23 dead transitions. [2021-04-29 01:20:31,596 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 23 transitions, 159 flow [2021-04-29 01:20:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 01:20:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 01:20:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1308 transitions. [2021-04-29 01:20:31,601 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28835978835978837 [2021-04-29 01:20:31,601 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1308 transitions. [2021-04-29 01:20:31,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1308 transitions. [2021-04-29 01:20:31,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:31,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1308 transitions. [2021-04-29 01:20:31,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 186.85714285714286) internal successors, (1308), 7 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:31,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 648.0) internal successors, (5184), 8 states have internal predecessors, (5184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:31,607 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 648.0) internal successors, (5184), 8 states have internal predecessors, (5184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:31,607 INFO L185 Difference]: Start difference. First operand has 39 places, 23 transitions, 124 flow. Second operand 7 states and 1308 transitions. [2021-04-29 01:20:31,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 23 transitions, 159 flow [2021-04-29 01:20:31,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 23 transitions, 132 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 01:20:31,608 INFO L241 Difference]: Finished difference. Result has 39 places, 14 transitions, 62 flow [2021-04-29 01:20:31,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=648, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=62, PETRI_PLACES=39, PETRI_TRANSITIONS=14} [2021-04-29 01:20:31,609 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -155 predicate places. [2021-04-29 01:20:31,609 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:31,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 14 transitions, 62 flow [2021-04-29 01:20:31,609 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 14 transitions, 62 flow [2021-04-29 01:20:31,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 14 transitions, 62 flow [2021-04-29 01:20:31,613 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-04-29 01:20:31,614 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 01:20:31,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 14 events. 0/14 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 01:20:31,614 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 01:20:31,847 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:31,995 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:20:32,178 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 01:20:32,337 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 01:20:32,340 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:32,340 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 01:20:32,340 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 731 [2021-04-29 01:20:32,342 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 14 transitions, 65 flow [2021-04-29 01:20:32,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 185.33333333333334) internal successors, (1668), 9 states have internal predecessors, (1668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:32,342 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 01:20:32,342 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 01:20:32,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-04-29 01:20:32,342 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 01:20:32,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 01:20:32,343 INFO L82 PathProgramCache]: Analyzing trace with hash -702955757, now seen corresponding path program 1 times [2021-04-29 01:20:32,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 01:20:32,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584334714] [2021-04-29 01:20:32,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 01:20:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 01:20:32,433 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:20:32,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:20:32,472 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-04-29 01:20:32,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 01:20:32,509 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-04-29 01:20:32,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 01:20:32,549 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 01:20:32,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 01:20:32,601 INFO L142 QuantifierPusher]: treesize reduction 55, result has 47.1 percent of original size [2021-04-29 01:20:32,602 INFO L147 QuantifierPusher]: treesize reduction 9, result has 81.6 percent of original size 40 [2021-04-29 01:20:32,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-04-29 01:20:32,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 01:20:32,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:32,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:32,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:32,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:32,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 01:20:32,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 01:20:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 01:20:32,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584334714] [2021-04-29 01:20:32,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 01:20:32,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 01:20:32,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40643305] [2021-04-29 01:20:32,804 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 01:20:32,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 01:20:32,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 01:20:32,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-04-29 01:20:32,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 649 [2021-04-29 01:20:32,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 14 transitions, 65 flow. Second operand has 9 states, 9 states have (on average 185.22222222222223) internal successors, (1667), 9 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:32,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 01:20:32,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 649 [2021-04-29 01:20:32,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 01:20:33,470 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-04-29 01:20:33,470 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-04-29 01:20:33,470 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 13 events. 0/13 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 1/13 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-29 01:20:33,471 INFO L132 encePairwiseOnDemand]: 643/649 looper letters, 0 selfloop transitions, 0 changer transitions 13/13 dead transitions. [2021-04-29 01:20:33,471 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 13 transitions, 80 flow [2021-04-29 01:20:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 01:20:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 01:20:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1299 transitions. [2021-04-29 01:20:33,476 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.28593440457847236 [2021-04-29 01:20:33,476 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1299 transitions. [2021-04-29 01:20:33,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1299 transitions. [2021-04-29 01:20:33,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 01:20:33,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1299 transitions. [2021-04-29 01:20:33,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 185.57142857142858) internal successors, (1299), 7 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:33,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 649.0) internal successors, (5192), 8 states have internal predecessors, (5192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:33,481 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 649.0) internal successors, (5192), 8 states have internal predecessors, (5192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:33,481 INFO L185 Difference]: Start difference. First operand has 32 places, 14 transitions, 65 flow. Second operand 7 states and 1299 transitions. [2021-04-29 01:20:33,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 13 transitions, 80 flow [2021-04-29 01:20:33,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 13 transitions, 49 flow, removed 0 selfloop flow, removed 13 redundant places. [2021-04-29 01:20:33,482 INFO L241 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2021-04-29 01:20:33,482 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=649, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2021-04-29 01:20:33,482 INFO L343 CegarLoopForPetriNet]: 194 programPoint places, -171 predicate places. [2021-04-29 01:20:33,482 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 01:20:33,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 0 transitions, 0 flow [2021-04-29 01:20:33,483 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 0 transitions, 0 flow [2021-04-29 01:20:33,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 01:20:33,483 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 01:20:33,483 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 01:20:33,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 01:20:33,483 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 01:20:33,483 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 01:20:33,483 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 01:20:33,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-04-29 01:20:33,485 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 01:20:33,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 185.22222222222223) internal successors, (1667), 9 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 01:20:33,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-04-29 01:20:33,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 01:20:33 BasicIcfg [2021-04-29 01:20:33,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 01:20:33,490 INFO L168 Benchmark]: Toolchain (without parser) took 485151.10 ms. Allocated memory was 302.0 MB in the beginning and 958.4 MB in the end (delta: 656.4 MB). Free memory was 275.5 MB in the beginning and 487.9 MB in the end (delta: -212.4 MB). Peak memory consumption was 446.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:20:33,490 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 302.0 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 01:20:33,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1328.13 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 167.1 MB in the end (delta: 105.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:20:33,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.45 ms. Allocated memory is still 302.0 MB. Free memory was 167.1 MB in the beginning and 163.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:20:33,490 INFO L168 Benchmark]: Boogie Preprocessor took 53.21 ms. Allocated memory is still 302.0 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 01:20:33,490 INFO L168 Benchmark]: RCFGBuilder took 1002.70 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 161.1 MB in the beginning and 297.5 MB in the end (delta: -136.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-04-29 01:20:33,490 INFO L168 Benchmark]: TraceAbstraction took 482585.55 ms. Allocated memory was 362.8 MB in the beginning and 958.4 MB in the end (delta: 595.6 MB). Free memory was 296.5 MB in the beginning and 487.9 MB in the end (delta: -191.4 MB). Peak memory consumption was 405.2 MB. Max. memory is 16.0 GB. [2021-04-29 01:20:33,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 302.0 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1328.13 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 167.1 MB in the end (delta: 105.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 113.45 ms. Allocated memory is still 302.0 MB. Free memory was 167.1 MB in the beginning and 163.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 53.21 ms. Allocated memory is still 302.0 MB. Free memory was 163.1 MB in the beginning and 161.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1002.70 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 161.1 MB in the beginning and 297.5 MB in the end (delta: -136.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 482585.55 ms. Allocated memory was 362.8 MB in the beginning and 958.4 MB in the end (delta: 595.6 MB). Free memory was 296.5 MB in the beginning and 487.9 MB in the end (delta: -191.4 MB). Peak memory consumption was 405.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297258.1ms, 150 PlacesBefore, 194 PlacesAfterwards, 152 TransitionsBefore, 191 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 9 FixpointIterations, 357 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 2 ConcurrentYvCompositions, 6 ChoiceCompositions, 456 TotalNumberOfCompositions, 23171 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5685, positive: 5215, positive conditional: 5215, positive unconditional: 0, negative: 470, negative conditional: 470, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2337, positive: 2272, positive conditional: 0, positive unconditional: 2272, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2337, positive: 2272, positive conditional: 0, positive unconditional: 2272, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2337, positive: 2256, positive conditional: 0, positive unconditional: 2256, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 81, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51246, positive: 139, positive conditional: 0, positive unconditional: 139, negative: 663, negative conditional: 0, negative unconditional: 663, unknown: 50444, unknown conditional: 0, unknown unconditional: 50444] ], Cache Queries: [ total: 5685, positive: 2943, positive conditional: 2943, positive unconditional: 0, negative: 405, negative conditional: 405, negative unconditional: 0, unknown: 2337, unknown conditional: 2337, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2321, Positive cache size: 2257, Positive conditional cache size: 2257, Positive unconditional cache size: 0, Negative cache size: 64, Negative conditional cache size: 64, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19950.4ms, 179 PlacesBefore, 49 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2016 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 271, positive: 193, positive conditional: 193, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19268, positive: 133, positive conditional: 0, positive unconditional: 133, negative: 315, negative conditional: 0, negative unconditional: 315, unknown: 18821, unknown conditional: 0, unknown unconditional: 18821] ], Cache Queries: [ total: 271, positive: 170, positive conditional: 170, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2360, Positive cache size: 2280, Positive conditional cache size: 2280, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8551.2ms, 53 PlacesBefore, 52 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 1154 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 574 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8481, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 8317, unknown conditional: 5656, unknown unconditional: 2661] ], Cache Queries: [ total: 58, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2371, Positive cache size: 2285, Positive conditional cache size: 2285, Positive unconditional cache size: 0, Negative cache size: 86, Negative conditional cache size: 86, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3537.7ms, 53 PlacesBefore, 54 PlacesAfterwards, 66 TransitionsBefore, 67 TransitionsAfterwards, 1342 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1900 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 259, positive: 206, positive conditional: 206, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 61, positive conditional: 4, positive unconditional: 57, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67, positive: 61, positive conditional: 4, positive unconditional: 57, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 67, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2236, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 114, negative conditional: 21, negative unconditional: 94, unknown: 2121, unknown conditional: 0, unknown unconditional: 2121] ], Cache Queries: [ total: 259, positive: 145, positive conditional: 145, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 67, unknown conditional: 67, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2438, Positive cache size: 2346, Positive conditional cache size: 2346, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2861.9ms, 47 PlacesBefore, 30 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2848, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 2747, unknown conditional: 0, unknown unconditional: 2747] ], Cache Queries: [ total: 11, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2446, Positive cache size: 2350, Positive conditional cache size: 2350, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3ms, 33 PlacesBefore, 31 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 162 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 43 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2446, Positive cache size: 2350, Positive conditional cache size: 2350, Positive unconditional cache size: 0, Negative cache size: 96, Negative conditional cache size: 96, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 101.8ms, 41 PlacesBefore, 41 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 93 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 9, positive unconditional: 7, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 9, positive unconditional: 7, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 67, negative conditional: 22, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2466, Positive cache size: 2366, Positive conditional cache size: 2366, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 94.4ms, 59 PlacesBefore, 56 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2466, Positive cache size: 2366, Positive conditional cache size: 2366, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.3ms, 85 PlacesBefore, 82 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 680 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2366, Positive conditional cache size: 2366, Positive unconditional cache size: 0, Negative cache size: 101, Negative conditional cache size: 101, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 241.9ms, 102 PlacesBefore, 99 PlacesAfterwards, 196 TransitionsBefore, 196 TransitionsAfterwards, 526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 820 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2468, Positive cache size: 2366, Positive conditional cache size: 2366, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 360.2ms, 136 PlacesBefore, 133 PlacesAfterwards, 293 TransitionsBefore, 293 TransitionsAfterwards, 624 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1740 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2469, Positive cache size: 2366, Positive conditional cache size: 2366, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2085.9ms, 135 PlacesBefore, 137 PlacesAfterwards, 332 TransitionsBefore, 334 TransitionsAfterwards, 708 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 4566 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 126, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 53, negative conditional: 53, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2476, Positive cache size: 2371, Positive conditional cache size: 2371, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 419.6ms, 143 PlacesBefore, 141 PlacesAfterwards, 402 TransitionsBefore, 402 TransitionsAfterwards, 826 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4750 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 50, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2476, Positive cache size: 2371, Positive conditional cache size: 2371, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1124.7ms, 184 PlacesBefore, 182 PlacesAfterwards, 507 TransitionsBefore, 508 TransitionsAfterwards, 974 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 19406 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 156, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2478, Positive cache size: 2373, Positive conditional cache size: 2373, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1420.3ms, 185 PlacesBefore, 186 PlacesAfterwards, 526 TransitionsBefore, 528 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 19870 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 158, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 158, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2482, Positive cache size: 2377, Positive conditional cache size: 2377, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 764.4ms, 206 PlacesBefore, 201 PlacesAfterwards, 588 TransitionsBefore, 588 TransitionsAfterwards, 1136 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 13857 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 93, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 93, negative conditional: 93, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 93, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 92, negative conditional: 92, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2483, Positive cache size: 2377, Positive conditional cache size: 2377, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 675.5ms, 213 PlacesBefore, 210 PlacesAfterwards, 608 TransitionsBefore, 608 TransitionsAfterwards, 1210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 14136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 93, negative conditional: 93, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 186, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 93, negative conditional: 93, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2484, Positive cache size: 2378, Positive conditional cache size: 2378, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 219.6ms, 170 PlacesBefore, 167 PlacesAfterwards, 244 TransitionsBefore, 244 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 960 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 128, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 128, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2488, Positive cache size: 2381, Positive conditional cache size: 2381, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 137.3ms, 169 PlacesBefore, 169 PlacesAfterwards, 242 TransitionsBefore, 242 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 960 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 96, positive: 64, positive conditional: 64, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2488, Positive cache size: 2381, Positive conditional cache size: 2381, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.3ms, 178 PlacesBefore, 173 PlacesAfterwards, 242 TransitionsBefore, 242 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2488, Positive cache size: 2381, Positive conditional cache size: 2381, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 506.9ms, 178 PlacesBefore, 162 PlacesAfterwards, 177 TransitionsBefore, 178 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2488, Positive cache size: 2381, Positive conditional cache size: 2381, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 292.6ms, 163 PlacesBefore, 161 PlacesAfterwards, 182 TransitionsBefore, 183 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 18 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 16, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 16, positive unconditional: 1, 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: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 18, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2505, Positive cache size: 2398, Positive conditional cache size: 2398, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 265.4ms, 168 PlacesBefore, 153 PlacesAfterwards, 145 TransitionsBefore, 146 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 8, positive unconditional: 1, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 10, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2514, Positive cache size: 2407, Positive conditional cache size: 2407, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.2ms, 154 PlacesBefore, 145 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 156 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2514, Positive cache size: 2407, Positive conditional cache size: 2407, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 34.0ms, 145 PlacesBefore, 130 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2514, Positive cache size: 2407, Positive conditional cache size: 2407, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.3ms, 126 PlacesBefore, 80 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2514, Positive cache size: 2407, Positive conditional cache size: 2407, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 620.8ms, 60 PlacesBefore, 61 PlacesAfterwards, 49 TransitionsBefore, 50 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 4, positive unconditional: 3, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2522, Positive cache size: 2414, Positive conditional cache size: 2414, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.1ms, 74 PlacesBefore, 70 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 25 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 15, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2523, Positive cache size: 2415, Positive conditional cache size: 2415, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 783.2ms, 81 PlacesBefore, 79 PlacesAfterwards, 49 TransitionsBefore, 50 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 50 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2524, Positive cache size: 2415, Positive conditional cache size: 2415, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 960.9ms, 73 PlacesBefore, 72 PlacesAfterwards, 48 TransitionsBefore, 49 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 75 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2524, Positive cache size: 2415, Positive conditional cache size: 2415, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.4ms, 80 PlacesBefore, 69 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2524, Positive cache size: 2415, Positive conditional cache size: 2415, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 701.9ms, 68 PlacesBefore, 63 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 18 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2524, Positive cache size: 2415, Positive conditional cache size: 2415, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.4ms, 64 PlacesBefore, 59 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 4 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2525, Positive cache size: 2416, Positive conditional cache size: 2416, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2131.2ms, 51 PlacesBefore, 48 PlacesAfterwards, 31 TransitionsBefore, 32 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2525, Positive cache size: 2416, Positive conditional cache size: 2416, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.4ms, 50 PlacesBefore, 49 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2525, Positive cache size: 2416, Positive conditional cache size: 2416, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 402.7ms, 43 PlacesBefore, 39 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2525, Positive cache size: 2416, Positive conditional cache size: 2416, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 731.0ms, 39 PlacesBefore, 32 PlacesAfterwards, 14 TransitionsBefore, 14 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2525, Positive cache size: 2416, Positive conditional cache size: 2416, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8ms, 23 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 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] , Statistics on independence cache: Total cache size (in pairs): 2525, Positive cache size: 2416, Positive conditional cache size: 2416, Positive unconditional cache size: 0, Negative cache size: 109, Negative conditional cache size: 109, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 482375.2ms, OverallIterations: 37, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 105006.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 297443.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 423 SDtfs, 1129 SDslu, 700 SDs, 0 SdLazy, 9027 SolverSat, 902 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25971.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 595 GetRequests, 48 SyntacticMatches, 64 SemanticMatches, 483 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1443 ImplicationChecksByTransitivity, 69492.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=10454occurred in iteration=16, InterpolantAutomatonStates: 362, 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: 106.7ms SsaConstructionTime, 1215.9ms SatisfiabilityAnalysisTime, 26859.8ms InterpolantComputationTime, 633 NumberOfCodeBlocks, 633 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 596 ConstructedInterpolants, 0 QuantifiedInterpolants, 14228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 37 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...