/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 15:20:22,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 15:20:22,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 15:20:22,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-25 15:20:22,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 15:20:22,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 15:20:22,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 15:20:22,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 15:20:22,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 15:20:22,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 15:20:22,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 15:20:22,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 15:20:22,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 15:20:22,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 15:20:22,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 15:20:22,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 15:20:22,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 15:20:22,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 15:20:22,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 15:20:22,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 15:20:22,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 15:20:22,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 15:20:22,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 15:20:22,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 15:20:22,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 15:20:22,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 15:20:22,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 15:20:22,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 15:20:22,594 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-RepeatedSemanticLbe.epf [2021-03-25 15:20:22,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 15:20:22,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 15:20:22,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 15:20:22,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 15:20:22,624 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 15:20:22,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 15:20:22,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 15:20:22,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 15:20:22,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 15:20:22,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 15:20:22,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 15:20:22,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 15:20:22,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 15:20:22,626 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 15:20:22,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 15:20:22,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 15:20:22,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 15:20:22,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 15:20:22,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 15:20:22,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 15:20:22,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 15:20:22,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 15:20:22,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 15:20:22,628 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 15:20:22,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 15:20:22,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 15:20:22,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 15:20:22,931 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 15:20:22,932 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 15:20:22,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-25 15:20:23,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96df9a84/35314046cbb54e1fb91da0c461e91d5b/FLAG47b1ca97e [2021-03-25 15:20:23,632 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 15:20:23,633 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-25 15:20:23,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96df9a84/35314046cbb54e1fb91da0c461e91d5b/FLAG47b1ca97e [2021-03-25 15:20:23,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96df9a84/35314046cbb54e1fb91da0c461e91d5b [2021-03-25 15:20:23,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 15:20:23,968 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 15:20:23,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 15:20:23,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 15:20:23,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 15:20:23,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:20:23" (1/1) ... [2021-03-25 15:20:23,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddf4e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:23, skipping insertion in model container [2021-03-25 15:20:23,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 03:20:23" (1/1) ... [2021-03-25 15:20:23,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 15:20:24,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 15:20:24,672 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-2_1-container_of.i[76077,76090] [2021-03-25 15:20:24,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 15:20:24,708 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 15:20:24,751 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-2_1-container_of.i[76077,76090] [2021-03-25 15:20:24,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 15:20:25,043 INFO L208 MainTranslator]: Completed translation [2021-03-25 15:20:25,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25 WrapperNode [2021-03-25 15:20:25,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 15:20:25,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 15:20:25,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 15:20:25,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 15:20:25,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 15:20:25,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 15:20:25,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 15:20:25,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 15:20:25,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... [2021-03-25 15:20:25,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 15:20:25,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 15:20:25,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 15:20:25,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 15:20:25,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 15:20:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 15:20:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 15:20:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 15:20:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-25 15:20:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 15:20:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 15:20:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-25 15:20:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-25 15:20:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 15:20:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 15:20:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 15:20:25,228 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 15:20:25,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 15:20:25,840 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-25 15:20:25,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:20:25 BoogieIcfgContainer [2021-03-25 15:20:25,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 15:20:25,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 15:20:25,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 15:20:25,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 15:20:25,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 03:20:23" (1/3) ... [2021-03-25 15:20:25,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b91c357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:20:25, skipping insertion in model container [2021-03-25 15:20:25,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 03:20:25" (2/3) ... [2021-03-25 15:20:25,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b91c357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 03:20:25, skipping insertion in model container [2021-03-25 15:20:25,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 03:20:25" (3/3) ... [2021-03-25 15:20:25,849 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-03-25 15:20:25,854 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 15:20:25,858 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-25 15:20:25,859 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 15:20:25,902 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,902 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,902 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,902 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,903 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,904 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,905 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,906 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,907 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,908 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,909 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,910 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,911 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,912 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,913 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,914 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,915 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,924 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,925 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,926 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,927 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,928 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,929 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,929 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,929 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,929 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,931 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,932 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,932 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,932 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,938 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,939 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,939 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,939 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 15:20:25,948 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 15:20:25,964 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-25 15:20:25,992 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 15:20:25,992 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 15:20:25,992 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 15:20:25,992 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 15:20:25,992 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 15:20:25,992 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 15:20:25,992 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 15:20:25,992 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 15:20:26,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 165 transitions, 352 flow [2021-03-25 15:20:26,054 INFO L129 PetriNetUnfolder]: 11/205 cut-off events. [2021-03-25 15:20:26,054 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 15:20:26,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 205 events. 11/205 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 419 event pairs, 0 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-25 15:20:26,061 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 165 transitions, 352 flow [2021-03-25 15:20:26,066 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 153 transitions, 324 flow [2021-03-25 15:20:26,067 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:20:26,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-25 15:20:26,079 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-25 15:20:26,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 324 flow [2021-03-25 15:20:26,110 INFO L129 PetriNetUnfolder]: 8/186 cut-off events. [2021-03-25 15:20:26,110 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 15:20:26,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 186 events. 8/186 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 360 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-03-25 15:20:26,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-25 15:21:06,555 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-03-25 15:21:14,578 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-25 15:21:39,282 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-03-25 15:21:46,254 INFO L154 LiptonReduction]: Checked pairs total: 3461 [2021-03-25 15:21:46,255 INFO L156 LiptonReduction]: Total number of compositions: 113 [2021-03-25 15:21:46,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80191 [2021-03-25 15:21:46,265 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-25 15:21:46,265 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:21:46,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:21:46,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:21:46,266 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]=== [2021-03-25 15:21:46,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:21:46,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1316921901, now seen corresponding path program 1 times [2021-03-25 15:21:46,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:21:46,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487422890] [2021-03-25 15:21:46,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:21:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:21:46,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:21:46,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:21:46,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:21:46,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:21:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:21:46,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487422890] [2021-03-25 15:21:46,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:21:46,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:21:46,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430755012] [2021-03-25 15:21:46,587 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:21:46,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:21:46,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:21:46,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:21:46,598 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 278 [2021-03-25 15:21:46,603 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 66 transitions, 150 flow. Second operand has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:21:46,603 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:21:46,603 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 278 [2021-03-25 15:21:46,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:21:46,748 INFO L129 PetriNetUnfolder]: 170/401 cut-off events. [2021-03-25 15:21:46,748 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-25 15:21:46,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 401 events. 170/401 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1926 event pairs, 165 based on Foata normal form. 19/376 useless extension candidates. Maximal degree in co-relation 634. Up to 314 conditions per place. [2021-03-25 15:21:46,755 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 28 selfloop transitions, 4 changer transitions 3/65 dead transitions. [2021-03-25 15:21:46,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 65 transitions, 216 flow [2021-03-25 15:21:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:21:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:21:46,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-03-25 15:21:46,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7182254196642686 [2021-03-25 15:21:46,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2021-03-25 15:21:46,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2021-03-25 15:21:46,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:21:46,785 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2021-03-25 15:21:46,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:21:46,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:21:46,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:21:46,800 INFO L185 Difference]: Start difference. First operand has 66 places, 66 transitions, 150 flow. Second operand 3 states and 599 transitions. [2021-03-25 15:21:46,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 65 transitions, 216 flow [2021-03-25 15:21:46,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 65 transitions, 204 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 15:21:46,807 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 148 flow [2021-03-25 15:21:46,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=63, PETRI_TRANSITIONS=62} [2021-03-25 15:21:46,809 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -3 predicate places. [2021-03-25 15:21:46,809 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:21:46,809 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-25 15:21:46,810 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-25 15:21:46,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 148 flow [2021-03-25 15:21:46,822 INFO L129 PetriNetUnfolder]: 4/96 cut-off events. [2021-03-25 15:21:46,823 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 15:21:46,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 96 events. 4/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 263 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 43. Up to 9 conditions per place. [2021-03-25 15:21:46,826 INFO L142 LiptonReduction]: Number of co-enabled transitions 452 [2021-03-25 15:22:07,872 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-25 15:22:08,068 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-25 15:22:08,208 INFO L154 LiptonReduction]: Checked pairs total: 1240 [2021-03-25 15:22:08,208 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-25 15:22:08,208 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21399 [2021-03-25 15:22:08,209 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 109 flow [2021-03-25 15:22:08,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:08,210 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:08,210 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:08,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 15:22:08,210 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]=== [2021-03-25 15:22:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:08,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1453419847, now seen corresponding path program 1 times [2021-03-25 15:22:08,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:08,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178648595] [2021-03-25 15:22:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:08,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:08,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:22:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:08,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178648595] [2021-03-25 15:22:08,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:08,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:22:08,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599952071] [2021-03-25 15:22:08,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:22:08,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:08,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:22:08,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:22:08,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 304 [2021-03-25 15:22:08,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 41 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:08,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:08,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 304 [2021-03-25 15:22:08,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:08,378 INFO L129 PetriNetUnfolder]: 170/366 cut-off events. [2021-03-25 15:22:08,378 INFO L130 PetriNetUnfolder]: For 49/51 co-relation queries the response was YES. [2021-03-25 15:22:08,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 366 events. 170/366 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1675 event pairs, 165 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 689. Up to 312 conditions per place. [2021-03-25 15:22:08,381 INFO L132 encePairwiseOnDemand]: 299/304 looper letters, 24 selfloop transitions, 4 changer transitions 1/41 dead transitions. [2021-03-25 15:22:08,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 41 transitions, 164 flow [2021-03-25 15:22:08,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:22:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:22:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2021-03-25 15:22:08,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6644736842105263 [2021-03-25 15:22:08,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2021-03-25 15:22:08,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2021-03-25 15:22:08,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:08,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2021-03-25 15:22:08,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:08,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:08,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:08,388 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 109 flow. Second operand 3 states and 606 transitions. [2021-03-25 15:22:08,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 41 transitions, 164 flow [2021-03-25 15:22:08,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 41 transitions, 160 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 15:22:08,389 INFO L241 Difference]: Finished difference. Result has 40 places, 40 transitions, 108 flow [2021-03-25 15:22:08,389 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=40, PETRI_TRANSITIONS=40} [2021-03-25 15:22:08,390 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -26 predicate places. [2021-03-25 15:22:08,390 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:08,390 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-25 15:22:08,390 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-25 15:22:08,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 108 flow [2021-03-25 15:22:08,395 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2021-03-25 15:22:08,396 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 15:22:08,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 55 events. 4/55 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 127 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 41. Up to 9 conditions per place. [2021-03-25 15:22:08,396 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-25 15:22:08,868 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 15:22:09,662 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-25 15:22:09,924 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 15:22:10,515 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-25 15:22:10,806 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 15:22:10,961 INFO L154 LiptonReduction]: Checked pairs total: 925 [2021-03-25 15:22:10,961 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 15:22:10,961 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2571 [2021-03-25 15:22:10,962 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 98 flow [2021-03-25 15:22:10,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:10,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:10,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:10,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 15:22:10,963 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]=== [2021-03-25 15:22:10,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:10,963 INFO L82 PathProgramCache]: Analyzing trace with hash -639054003, now seen corresponding path program 1 times [2021-03-25 15:22:10,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:10,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302003786] [2021-03-25 15:22:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:11,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:11,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:11,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:22:11,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:11,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:22:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:11,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302003786] [2021-03-25 15:22:11,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:11,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:22:11,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865180582] [2021-03-25 15:22:11,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:22:11,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:11,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:22:11,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:22:11,076 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 311 [2021-03-25 15:22:11,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:11,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:11,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 311 [2021-03-25 15:22:11,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:11,171 INFO L129 PetriNetUnfolder]: 241/491 cut-off events. [2021-03-25 15:22:11,171 INFO L130 PetriNetUnfolder]: For 61/65 co-relation queries the response was YES. [2021-03-25 15:22:11,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 491 events. 241/491 cut-off events. For 61/65 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2488 event pairs, 94 based on Foata normal form. 0/468 useless extension candidates. Maximal degree in co-relation 957. Up to 340 conditions per place. [2021-03-25 15:22:11,174 INFO L132 encePairwiseOnDemand]: 304/311 looper letters, 26 selfloop transitions, 7 changer transitions 0/44 dead transitions. [2021-03-25 15:22:11,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 184 flow [2021-03-25 15:22:11,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:22:11,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:22:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2021-03-25 15:22:11,178 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6280814576634512 [2021-03-25 15:22:11,178 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2021-03-25 15:22:11,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2021-03-25 15:22:11,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:11,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2021-03-25 15:22:11,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:11,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:11,183 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 311.0) internal successors, (1244), 4 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:11,183 INFO L185 Difference]: Start difference. First operand has 35 places, 35 transitions, 98 flow. Second operand 3 states and 586 transitions. [2021-03-25 15:22:11,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 184 flow [2021-03-25 15:22:11,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 44 transitions, 176 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 15:22:11,186 INFO L241 Difference]: Finished difference. Result has 36 places, 39 transitions, 131 flow [2021-03-25 15:22:11,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2021-03-25 15:22:11,186 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -30 predicate places. [2021-03-25 15:22:11,186 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:11,186 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-25 15:22:11,188 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-25 15:22:11,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 39 transitions, 131 flow [2021-03-25 15:22:11,200 INFO L129 PetriNetUnfolder]: 31/147 cut-off events. [2021-03-25 15:22:11,200 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-03-25 15:22:11,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 147 events. 31/147 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 687 event pairs, 9 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 78. Up to 53 conditions per place. [2021-03-25 15:22:11,201 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-25 15:22:18,982 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2021-03-25 15:22:19,685 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-03-25 15:22:21,512 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 180 DAG size of output: 176 [2021-03-25 15:22:22,356 WARN L205 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-03-25 15:22:22,994 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-03-25 15:22:23,328 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-03-25 15:22:24,050 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2021-03-25 15:22:24,382 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-25 15:22:28,830 INFO L154 LiptonReduction]: Checked pairs total: 498 [2021-03-25 15:22:28,830 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:22:28,830 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17644 [2021-03-25 15:22:28,831 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-25 15:22:28,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:28,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:28,832 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 15:22:28,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 15:22:28,832 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]=== [2021-03-25 15:22:28,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:28,832 INFO L82 PathProgramCache]: Analyzing trace with hash -676265951, now seen corresponding path program 1 times [2021-03-25 15:22:28,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:28,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823737160] [2021-03-25 15:22:28,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:28,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:28,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:28,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:28,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 15:22:28,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:28,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823737160] [2021-03-25 15:22:28,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:28,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 15:22:28,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340536666] [2021-03-25 15:22:28,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:22:28,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:28,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:22:28,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:22:28,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 313 [2021-03-25 15:22:28,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:28,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:28,893 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 313 [2021-03-25 15:22:28,893 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:29,034 INFO L129 PetriNetUnfolder]: 268/537 cut-off events. [2021-03-25 15:22:29,034 INFO L130 PetriNetUnfolder]: For 256/262 co-relation queries the response was YES. [2021-03-25 15:22:29,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1405 conditions, 537 events. 268/537 cut-off events. For 256/262 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2843 event pairs, 108 based on Foata normal form. 32/563 useless extension candidates. Maximal degree in co-relation 293. Up to 376 conditions per place. [2021-03-25 15:22:29,037 INFO L132 encePairwiseOnDemand]: 307/313 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-25 15:22:29,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-25 15:22:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:22:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:22:29,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2021-03-25 15:22:29,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6219382321618744 [2021-03-25 15:22:29,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2021-03-25 15:22:29,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2021-03-25 15:22:29,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:29,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2021-03-25 15:22:29,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,046 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 313.0) internal successors, (1252), 4 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,047 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 584 transitions. [2021-03-25 15:22:29,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-25 15:22:29,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 15:22:29,050 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-25 15:22:29,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=313, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=37, PETRI_TRANSITIONS=43} [2021-03-25 15:22:29,050 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -29 predicate places. [2021-03-25 15:22:29,050 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:29,050 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-25 15:22:29,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-25 15:22:29,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-25 15:22:29,068 INFO L129 PetriNetUnfolder]: 74/224 cut-off events. [2021-03-25 15:22:29,068 INFO L130 PetriNetUnfolder]: For 127/129 co-relation queries the response was YES. [2021-03-25 15:22:29,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 224 events. 74/224 cut-off events. For 127/129 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1150 event pairs, 11 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 191. Up to 113 conditions per place. [2021-03-25 15:22:29,069 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-25 15:22:29,216 INFO L154 LiptonReduction]: Checked pairs total: 745 [2021-03-25 15:22:29,216 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:22:29,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 166 [2021-03-25 15:22:29,217 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-25 15:22:29,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,218 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:29,218 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:29,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 15:22:29,218 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]=== [2021-03-25 15:22:29,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:29,218 INFO L82 PathProgramCache]: Analyzing trace with hash -934600623, now seen corresponding path program 1 times [2021-03-25 15:22:29,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:29,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606466511] [2021-03-25 15:22:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:29,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:29,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 15:22:29,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:29,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606466511] [2021-03-25 15:22:29,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:29,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 15:22:29,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881341210] [2021-03-25 15:22:29,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 15:22:29,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:29,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 15:22:29,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 15:22:29,267 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 315 [2021-03-25 15:22:29,268 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 42 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,268 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:29,268 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 315 [2021-03-25 15:22:29,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:29,285 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 15:22:29,285 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-25 15:22:29,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 48 events. 6/48 cut-off events. For 38/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 119 event pairs, 4 based on Foata normal form. 16/62 useless extension candidates. Maximal degree in co-relation 85. Up to 14 conditions per place. [2021-03-25 15:22:29,286 INFO L132 encePairwiseOnDemand]: 313/315 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-25 15:22:29,286 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-25 15:22:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 15:22:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 15:22:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-25 15:22:29,288 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2021-03-25 15:22:29,288 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-25 15:22:29,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-25 15:22:29,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:29,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-25 15:22:29,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 315.0) internal successors, (1260), 4 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 315.0) internal successors, (1260), 4 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,292 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-25 15:22:29,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-25 15:22:29,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 78 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 15:22:29,294 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-25 15:22:29,294 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2021-03-25 15:22:29,294 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -36 predicate places. [2021-03-25 15:22:29,294 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:29,294 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-25 15:22:29,294 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-25 15:22:29,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-25 15:22:29,299 INFO L129 PetriNetUnfolder]: 6/51 cut-off events. [2021-03-25 15:22:29,299 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 15:22:29,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 51 events. 6/51 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 2 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 52. Up to 13 conditions per place. [2021-03-25 15:22:29,300 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 15:22:29,301 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-25 15:22:29,301 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:29,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-25 15:22:29,302 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-25 15:22:29,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:29,303 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] [2021-03-25 15:22:29,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 15:22:29,303 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]=== [2021-03-25 15:22:29,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:29,303 INFO L82 PathProgramCache]: Analyzing trace with hash -825115049, now seen corresponding path program 1 times [2021-03-25 15:22:29,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:29,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032472303] [2021-03-25 15:22:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:29,404 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-25 15:22:29,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:29,414 INFO L142 QuantifierPusher]: treesize reduction 5, result has 75.0 percent of original size [2021-03-25 15:22:29,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:29,425 INFO L142 QuantifierPusher]: treesize reduction 5, result has 73.7 percent of original size [2021-03-25 15:22:29,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:22:29,437 INFO L142 QuantifierPusher]: treesize reduction 10, result has 58.3 percent of original size [2021-03-25 15:22:29,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:22:29,451 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-25 15:22:29,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:29,478 INFO L142 QuantifierPusher]: treesize reduction 14, result has 71.4 percent of original size [2021-03-25 15:22:29,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:29,493 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-25 15:22:29,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:29,495 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:29,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:29,511 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:29,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:29,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032472303] [2021-03-25 15:22:29,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:29,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 15:22:29,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792761713] [2021-03-25 15:22:29,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 15:22:29,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:29,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 15:22:29,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 15:22:29,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 315 [2021-03-25 15:22:29,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:29,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 315 [2021-03-25 15:22:29,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:29,807 INFO L129 PetriNetUnfolder]: 115/283 cut-off events. [2021-03-25 15:22:29,807 INFO L130 PetriNetUnfolder]: For 99/102 co-relation queries the response was YES. [2021-03-25 15:22:29,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 283 events. 115/283 cut-off events. For 99/102 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1320 event pairs, 21 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 187. Up to 92 conditions per place. [2021-03-25 15:22:29,809 INFO L132 encePairwiseOnDemand]: 307/315 looper letters, 36 selfloop transitions, 11 changer transitions 0/53 dead transitions. [2021-03-25 15:22:29,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 53 transitions, 252 flow [2021-03-25 15:22:29,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 15:22:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 15:22:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1117 transitions. [2021-03-25 15:22:29,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5065759637188209 [2021-03-25 15:22:29,812 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1117 transitions. [2021-03-25 15:22:29,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1117 transitions. [2021-03-25 15:22:29,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:29,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1117 transitions. [2021-03-25 15:22:29,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.57142857142858) internal successors, (1117), 7 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 315.0) internal successors, (2520), 8 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,820 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 315.0) internal successors, (2520), 8 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,820 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 7 states and 1117 transitions. [2021-03-25 15:22:29,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 53 transitions, 252 flow [2021-03-25 15:22:29,821 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 53 transitions, 251 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 15:22:29,821 INFO L241 Difference]: Finished difference. Result has 37 places, 31 transitions, 133 flow [2021-03-25 15:22:29,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=133, PETRI_PLACES=37, PETRI_TRANSITIONS=31} [2021-03-25 15:22:29,822 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -29 predicate places. [2021-03-25 15:22:29,822 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:29,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 31 transitions, 133 flow [2021-03-25 15:22:29,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 31 transitions, 133 flow [2021-03-25 15:22:29,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 31 transitions, 133 flow [2021-03-25 15:22:29,829 INFO L129 PetriNetUnfolder]: 14/91 cut-off events. [2021-03-25 15:22:29,830 INFO L130 PetriNetUnfolder]: For 30/32 co-relation queries the response was YES. [2021-03-25 15:22:29,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 91 events. 14/91 cut-off events. For 30/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 372 event pairs, 7 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 82. Up to 25 conditions per place. [2021-03-25 15:22:29,830 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-25 15:22:29,832 INFO L154 LiptonReduction]: Checked pairs total: 58 [2021-03-25 15:22:29,832 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:29,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 15:22:29,833 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 31 transitions, 133 flow [2021-03-25 15:22:29,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,834 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:29,834 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] [2021-03-25 15:22:29,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 15:22:29,834 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]=== [2021-03-25 15:22:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:29,834 INFO L82 PathProgramCache]: Analyzing trace with hash 925036863, now seen corresponding path program 1 times [2021-03-25 15:22:29,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:29,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730905504] [2021-03-25 15:22:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:29,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:22:29,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 15:22:29,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:29,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:29,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:29,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:29,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:29,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:22:29,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:29,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:29,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:29,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730905504] [2021-03-25 15:22:29,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:29,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 15:22:29,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921451310] [2021-03-25 15:22:29,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 15:22:29,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:29,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 15:22:29,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 15:22:29,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 315 [2021-03-25 15:22:29,981 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 133 flow. Second operand has 7 states, 7 states have (on average 172.42857142857142) internal successors, (1207), 7 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:29,981 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:29,981 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 315 [2021-03-25 15:22:29,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:30,325 INFO L129 PetriNetUnfolder]: 143/327 cut-off events. [2021-03-25 15:22:30,325 INFO L130 PetriNetUnfolder]: For 294/300 co-relation queries the response was YES. [2021-03-25 15:22:30,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 327 events. 143/327 cut-off events. For 294/300 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1413 event pairs, 67 based on Foata normal form. 15/334 useless extension candidates. Maximal degree in co-relation 394. Up to 181 conditions per place. [2021-03-25 15:22:30,327 INFO L132 encePairwiseOnDemand]: 308/315 looper letters, 40 selfloop transitions, 15 changer transitions 0/59 dead transitions. [2021-03-25 15:22:30,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 59 transitions, 367 flow [2021-03-25 15:22:30,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 15:22:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 15:22:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1409 transitions. [2021-03-25 15:22:30,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5591269841269841 [2021-03-25 15:22:30,331 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1409 transitions. [2021-03-25 15:22:30,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1409 transitions. [2021-03-25 15:22:30,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:30,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1409 transitions. [2021-03-25 15:22:30,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 176.125) internal successors, (1409), 8 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:30,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 315.0) internal successors, (2835), 9 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:30,338 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 315.0) internal successors, (2835), 9 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:30,339 INFO L185 Difference]: Start difference. First operand has 37 places, 31 transitions, 133 flow. Second operand 8 states and 1409 transitions. [2021-03-25 15:22:30,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 59 transitions, 367 flow [2021-03-25 15:22:30,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 59 transitions, 351 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 15:22:30,341 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 245 flow [2021-03-25 15:22:30,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=245, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-03-25 15:22:30,341 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -20 predicate places. [2021-03-25 15:22:30,341 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:30,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 245 flow [2021-03-25 15:22:30,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 245 flow [2021-03-25 15:22:30,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 245 flow [2021-03-25 15:22:30,352 INFO L129 PetriNetUnfolder]: 25/132 cut-off events. [2021-03-25 15:22:30,353 INFO L130 PetriNetUnfolder]: For 144/148 co-relation queries the response was YES. [2021-03-25 15:22:30,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 132 events. 25/132 cut-off events. For 144/148 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 609 event pairs, 8 based on Foata normal form. 4/130 useless extension candidates. Maximal degree in co-relation 227. Up to 43 conditions per place. [2021-03-25 15:22:30,354 INFO L142 LiptonReduction]: Number of co-enabled transitions 166 [2021-03-25 15:22:30,357 INFO L154 LiptonReduction]: Checked pairs total: 118 [2021-03-25 15:22:30,357 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:30,357 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 15:22:30,358 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 245 flow [2021-03-25 15:22:30,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 172.42857142857142) internal successors, (1207), 7 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:30,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:30,359 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] [2021-03-25 15:22:30,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 15:22:30,359 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]=== [2021-03-25 15:22:30,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:30,359 INFO L82 PathProgramCache]: Analyzing trace with hash -924595687, now seen corresponding path program 1 times [2021-03-25 15:22:30,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:30,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698251985] [2021-03-25 15:22:30,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:30,467 INFO L142 QuantifierPusher]: treesize reduction 23, result has 58.2 percent of original size [2021-03-25 15:22:30,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:22:30,481 INFO L142 QuantifierPusher]: treesize reduction 20, result has 65.5 percent of original size [2021-03-25 15:22:30,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:30,503 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.0 percent of original size [2021-03-25 15:22:30,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:30,523 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.0 percent of original size [2021-03-25 15:22:30,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:30,545 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-25 15:22:30,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:30,561 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-25 15:22:30,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:22:30,580 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-25 15:22:30,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:30,603 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-03-25 15:22:30,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:30,627 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-25 15:22:30,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:30,653 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:22:30,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:30,676 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 15:22:30,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:22:30,711 INFO L142 QuantifierPusher]: treesize reduction 27, result has 49.1 percent of original size [2021-03-25 15:22:30,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:30,728 INFO L142 QuantifierPusher]: treesize reduction 29, result has 40.8 percent of original size [2021-03-25 15:22:30,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 15:22:30,761 INFO L142 QuantifierPusher]: treesize reduction 27, result has 49.1 percent of original size [2021-03-25 15:22:30,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:30,796 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:22:30,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:30,820 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:22:30,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:30,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698251985] [2021-03-25 15:22:30,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:30,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 15:22:30,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371435621] [2021-03-25 15:22:30,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 15:22:30,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:30,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 15:22:30,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-25 15:22:30,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 315 [2021-03-25 15:22:30,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 245 flow. Second operand has 15 states, 15 states have (on average 140.2) internal successors, (2103), 15 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:30,826 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:30,826 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 315 [2021-03-25 15:22:30,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:31,783 INFO L129 PetriNetUnfolder]: 209/492 cut-off events. [2021-03-25 15:22:31,784 INFO L130 PetriNetUnfolder]: For 699/699 co-relation queries the response was YES. [2021-03-25 15:22:31,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1564 conditions, 492 events. 209/492 cut-off events. For 699/699 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2491 event pairs, 102 based on Foata normal form. 1/487 useless extension candidates. Maximal degree in co-relation 1035. Up to 346 conditions per place. [2021-03-25 15:22:31,787 INFO L132 encePairwiseOnDemand]: 301/315 looper letters, 46 selfloop transitions, 29 changer transitions 10/89 dead transitions. [2021-03-25 15:22:31,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 89 transitions, 676 flow [2021-03-25 15:22:31,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 15:22:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 15:22:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1872 transitions. [2021-03-25 15:22:31,792 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45714285714285713 [2021-03-25 15:22:31,792 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1872 transitions. [2021-03-25 15:22:31,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1872 transitions. [2021-03-25 15:22:31,793 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:31,793 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1872 transitions. [2021-03-25 15:22:31,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 144.0) internal successors, (1872), 13 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:31,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 315.0) internal successors, (4410), 14 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) [2021-03-25 15:22:31,802 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 315.0) internal successors, (4410), 14 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) [2021-03-25 15:22:31,803 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 245 flow. Second operand 13 states and 1872 transitions. [2021-03-25 15:22:31,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 89 transitions, 676 flow [2021-03-25 15:22:31,805 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 89 transitions, 642 flow, removed 17 selfloop flow, removed 0 redundant places. [2021-03-25 15:22:31,806 INFO L241 Difference]: Finished difference. Result has 66 places, 63 transitions, 503 flow [2021-03-25 15:22:31,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=503, PETRI_PLACES=66, PETRI_TRANSITIONS=63} [2021-03-25 15:22:31,807 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 0 predicate places. [2021-03-25 15:22:31,807 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:31,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 63 transitions, 503 flow [2021-03-25 15:22:31,807 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 63 transitions, 503 flow [2021-03-25 15:22:31,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 503 flow [2021-03-25 15:22:31,822 INFO L129 PetriNetUnfolder]: 35/170 cut-off events. [2021-03-25 15:22:31,822 INFO L130 PetriNetUnfolder]: For 361/371 co-relation queries the response was YES. [2021-03-25 15:22:31,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 170 events. 35/170 cut-off events. For 361/371 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 892 event pairs, 6 based on Foata normal form. 7/169 useless extension candidates. Maximal degree in co-relation 553. Up to 62 conditions per place. [2021-03-25 15:22:31,823 INFO L142 LiptonReduction]: Number of co-enabled transitions 194 [2021-03-25 15:22:31,883 INFO L154 LiptonReduction]: Checked pairs total: 589 [2021-03-25 15:22:31,884 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:22:31,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-25 15:22:31,884 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 504 flow [2021-03-25 15:22:31,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.2) internal successors, (2103), 15 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:31,885 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:31,885 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] [2021-03-25 15:22:31,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 15:22:31,885 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]=== [2021-03-25 15:22:31,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:31,886 INFO L82 PathProgramCache]: Analyzing trace with hash -532125921, now seen corresponding path program 2 times [2021-03-25 15:22:31,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:31,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50152769] [2021-03-25 15:22:31,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:31,994 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-25 15:22:31,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 15:22:31,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 15:22:32,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 15:22:32,038 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 15:22:32,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 15:22:32,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:32,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50152769] [2021-03-25 15:22:32,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:32,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 15:22:32,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867691326] [2021-03-25 15:22:32,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 15:22:32,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:32,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 15:22:32,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 15:22:32,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 316 [2021-03-25 15:22:32,046 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 504 flow. Second operand has 6 states, 6 states have (on average 250.66666666666666) internal successors, (1504), 6 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:32,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 316 [2021-03-25 15:22:32,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:32,199 INFO L129 PetriNetUnfolder]: 83/298 cut-off events. [2021-03-25 15:22:32,199 INFO L130 PetriNetUnfolder]: For 754/772 co-relation queries the response was YES. [2021-03-25 15:22:32,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1102 conditions, 298 events. 83/298 cut-off events. For 754/772 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1688 event pairs, 4 based on Foata normal form. 24/314 useless extension candidates. Maximal degree in co-relation 1077. Up to 89 conditions per place. [2021-03-25 15:22:32,202 INFO L132 encePairwiseOnDemand]: 309/316 looper letters, 42 selfloop transitions, 9 changer transitions 0/83 dead transitions. [2021-03-25 15:22:32,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 83 transitions, 758 flow [2021-03-25 15:22:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 15:22:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 15:22:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1516 transitions. [2021-03-25 15:22:32,205 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.79957805907173 [2021-03-25 15:22:32,206 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1516 transitions. [2021-03-25 15:22:32,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1516 transitions. [2021-03-25 15:22:32,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:32,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1516 transitions. [2021-03-25 15:22:32,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.66666666666666) internal successors, (1516), 6 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,213 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,213 INFO L185 Difference]: Start difference. First operand has 63 places, 63 transitions, 504 flow. Second operand 6 states and 1516 transitions. [2021-03-25 15:22:32,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 83 transitions, 758 flow [2021-03-25 15:22:32,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 83 transitions, 709 flow, removed 21 selfloop flow, removed 5 redundant places. [2021-03-25 15:22:32,219 INFO L241 Difference]: Finished difference. Result has 65 places, 68 transitions, 531 flow [2021-03-25 15:22:32,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=531, PETRI_PLACES=65, PETRI_TRANSITIONS=68} [2021-03-25 15:22:32,219 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -1 predicate places. [2021-03-25 15:22:32,219 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:32,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 68 transitions, 531 flow [2021-03-25 15:22:32,220 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 68 transitions, 531 flow [2021-03-25 15:22:32,220 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 68 transitions, 531 flow [2021-03-25 15:22:32,240 INFO L129 PetriNetUnfolder]: 48/241 cut-off events. [2021-03-25 15:22:32,240 INFO L130 PetriNetUnfolder]: For 415/422 co-relation queries the response was YES. [2021-03-25 15:22:32,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 241 events. 48/241 cut-off events. For 415/422 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1440 event pairs, 4 based on Foata normal form. 5/239 useless extension candidates. Maximal degree in co-relation 715. Up to 59 conditions per place. [2021-03-25 15:22:32,242 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-25 15:22:32,256 INFO L154 LiptonReduction]: Checked pairs total: 150 [2021-03-25 15:22:32,256 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:32,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-25 15:22:32,258 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 68 transitions, 531 flow [2021-03-25 15:22:32,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 250.66666666666666) internal successors, (1504), 6 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:32,259 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:32,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 15:22:32,259 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]=== [2021-03-25 15:22:32,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:32,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1028994078, now seen corresponding path program 1 times [2021-03-25 15:22:32,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:32,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41820247] [2021-03-25 15:22:32,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:32,372 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-25 15:22:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 15:22:32,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,400 INFO L142 QuantifierPusher]: treesize reduction 12, result has 75.0 percent of original size [2021-03-25 15:22:32,401 INFO L147 QuantifierPusher]: treesize reduction 7, result has 80.6 percent of original size 29 [2021-03-25 15:22:32,432 INFO L142 QuantifierPusher]: treesize reduction 10, result has 66.7 percent of original size [2021-03-25 15:22:32,434 INFO L147 QuantifierPusher]: treesize reduction 7, result has 65.0 percent of original size 13 [2021-03-25 15:22:32,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:32,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41820247] [2021-03-25 15:22:32,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:32,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 15:22:32,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110340737] [2021-03-25 15:22:32,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 15:22:32,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:32,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 15:22:32,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 15:22:32,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 316 [2021-03-25 15:22:32,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 68 transitions, 531 flow. Second operand has 6 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) [2021-03-25 15:22:32,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:32,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 316 [2021-03-25 15:22:32,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:32,584 INFO L129 PetriNetUnfolder]: 62/294 cut-off events. [2021-03-25 15:22:32,584 INFO L130 PetriNetUnfolder]: For 758/774 co-relation queries the response was YES. [2021-03-25 15:22:32,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 294 events. 62/294 cut-off events. For 758/774 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1802 event pairs, 7 based on Foata normal form. 20/307 useless extension candidates. Maximal degree in co-relation 977. Up to 71 conditions per place. [2021-03-25 15:22:32,586 INFO L132 encePairwiseOnDemand]: 309/316 looper letters, 24 selfloop transitions, 12 changer transitions 0/77 dead transitions. [2021-03-25 15:22:32,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 77 transitions, 663 flow [2021-03-25 15:22:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 15:22:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 15:22:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1507 transitions. [2021-03-25 15:22:32,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.794831223628692 [2021-03-25 15:22:32,591 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1507 transitions. [2021-03-25 15:22:32,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1507 transitions. [2021-03-25 15:22:32,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:32,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1507 transitions. [2021-03-25 15:22:32,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.16666666666666) internal successors, (1507), 6 states have internal predecessors, (1507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,598 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,598 INFO L185 Difference]: Start difference. First operand has 65 places, 68 transitions, 531 flow. Second operand 6 states and 1507 transitions. [2021-03-25 15:22:32,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 77 transitions, 663 flow [2021-03-25 15:22:32,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 77 transitions, 660 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 15:22:32,605 INFO L241 Difference]: Finished difference. Result has 69 places, 69 transitions, 562 flow [2021-03-25 15:22:32,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=562, PETRI_PLACES=69, PETRI_TRANSITIONS=69} [2021-03-25 15:22:32,606 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 3 predicate places. [2021-03-25 15:22:32,606 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:32,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 69 transitions, 562 flow [2021-03-25 15:22:32,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 69 transitions, 562 flow [2021-03-25 15:22:32,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 69 transitions, 562 flow [2021-03-25 15:22:32,629 INFO L129 PetriNetUnfolder]: 49/254 cut-off events. [2021-03-25 15:22:32,629 INFO L130 PetriNetUnfolder]: For 563/572 co-relation queries the response was YES. [2021-03-25 15:22:32,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 254 events. 49/254 cut-off events. For 563/572 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1561 event pairs, 5 based on Foata normal form. 7/257 useless extension candidates. Maximal degree in co-relation 834. Up to 63 conditions per place. [2021-03-25 15:22:32,632 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-25 15:22:32,635 INFO L154 LiptonReduction]: Checked pairs total: 166 [2021-03-25 15:22:32,636 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:32,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-25 15:22:32,636 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 69 transitions, 562 flow [2021-03-25 15:22:32,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 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) [2021-03-25 15:22:32,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:32,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:32,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 15:22:32,637 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]=== [2021-03-25 15:22:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:32,637 INFO L82 PathProgramCache]: Analyzing trace with hash -43811558, now seen corresponding path program 2 times [2021-03-25 15:22:32,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:32,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982074973] [2021-03-25 15:22:32,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:32,724 INFO L142 QuantifierPusher]: treesize reduction 7, result has 30.0 percent of original size [2021-03-25 15:22:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 15:22:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:32,763 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 15:22:32,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 15:22:32,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:32,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:32,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982074973] [2021-03-25 15:22:32,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:32,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 15:22:32,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949657385] [2021-03-25 15:22:32,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 15:22:32,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:32,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 15:22:32,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 15:22:32,768 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 316 [2021-03-25 15:22:32,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 69 transitions, 562 flow. Second operand has 6 states, 6 states have (on average 250.66666666666666) internal successors, (1504), 6 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:32,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 316 [2021-03-25 15:22:32,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:32,891 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2021-03-25 15:22:32,891 INFO L130 PetriNetUnfolder]: For 507/513 co-relation queries the response was YES. [2021-03-25 15:22:32,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 116 events. 15/116 cut-off events. For 507/513 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 481 event pairs, 0 based on Foata normal form. 15/129 useless extension candidates. Maximal degree in co-relation 452. Up to 30 conditions per place. [2021-03-25 15:22:32,892 INFO L132 encePairwiseOnDemand]: 310/316 looper letters, 22 selfloop transitions, 9 changer transitions 3/58 dead transitions. [2021-03-25 15:22:32,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 58 transitions, 504 flow [2021-03-25 15:22:32,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 15:22:32,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 15:22:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1514 transitions. [2021-03-25 15:22:32,895 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7985232067510548 [2021-03-25 15:22:32,896 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1514 transitions. [2021-03-25 15:22:32,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1514 transitions. [2021-03-25 15:22:32,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:32,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1514 transitions. [2021-03-25 15:22:32,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 252.33333333333334) internal successors, (1514), 6 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,902 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 316.0) internal successors, (2212), 7 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:32,902 INFO L185 Difference]: Start difference. First operand has 69 places, 69 transitions, 562 flow. Second operand 6 states and 1514 transitions. [2021-03-25 15:22:32,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 58 transitions, 504 flow [2021-03-25 15:22:32,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 58 transitions, 435 flow, removed 21 selfloop flow, removed 8 redundant places. [2021-03-25 15:22:32,906 INFO L241 Difference]: Finished difference. Result has 67 places, 49 transitions, 356 flow [2021-03-25 15:22:32,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=356, PETRI_PLACES=67, PETRI_TRANSITIONS=49} [2021-03-25 15:22:32,906 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 1 predicate places. [2021-03-25 15:22:32,906 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:32,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 49 transitions, 356 flow [2021-03-25 15:22:32,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 49 transitions, 356 flow [2021-03-25 15:22:32,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 49 transitions, 356 flow [2021-03-25 15:22:32,916 INFO L129 PetriNetUnfolder]: 13/112 cut-off events. [2021-03-25 15:22:32,916 INFO L130 PetriNetUnfolder]: For 247/249 co-relation queries the response was YES. [2021-03-25 15:22:32,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 112 events. 13/112 cut-off events. For 247/249 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 474 event pairs, 0 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 298. Up to 16 conditions per place. [2021-03-25 15:22:32,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-25 15:22:38,689 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-03-25 15:22:40,977 INFO L154 LiptonReduction]: Checked pairs total: 210 [2021-03-25 15:22:40,978 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:22:40,978 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8072 [2021-03-25 15:22:40,978 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 49 transitions, 357 flow [2021-03-25 15:22:40,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 250.66666666666666) internal successors, (1504), 6 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:40,979 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:40,979 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] [2021-03-25 15:22:40,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 15:22:40,979 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]=== [2021-03-25 15:22:40,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:40,979 INFO L82 PathProgramCache]: Analyzing trace with hash 198302935, now seen corresponding path program 2 times [2021-03-25 15:22:40,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:40,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989511923] [2021-03-25 15:22:40,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:41,048 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-25 15:22:41,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:41,057 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-03-25 15:22:41,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:41,082 INFO L142 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-03-25 15:22:41,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:41,110 INFO L142 QuantifierPusher]: treesize reduction 5, result has 83.9 percent of original size [2021-03-25 15:22:41,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:41,137 INFO L142 QuantifierPusher]: treesize reduction 10, result has 69.7 percent of original size [2021-03-25 15:22:41,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:41,153 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-03-25 15:22:41,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 15:22:41,166 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 15:22:41,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:22:41,178 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-25 15:22:41,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:41,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-03-25 15:22:41,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:41,209 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-25 15:22:41,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:41,210 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:41,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:41,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989511923] [2021-03-25 15:22:41,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:41,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:22:41,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738372236] [2021-03-25 15:22:41,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:22:41,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:41,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:22:41,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:22:41,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 317 [2021-03-25 15:22:41,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 49 transitions, 357 flow. Second operand has 11 states, 11 states have (on average 142.63636363636363) internal successors, (1569), 11 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:41,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:41,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 317 [2021-03-25 15:22:41,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:41,843 INFO L129 PetriNetUnfolder]: 73/234 cut-off events. [2021-03-25 15:22:41,843 INFO L130 PetriNetUnfolder]: For 537/537 co-relation queries the response was YES. [2021-03-25 15:22:41,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 234 events. 73/234 cut-off events. For 537/537 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1068 event pairs, 1 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 710. Up to 89 conditions per place. [2021-03-25 15:22:41,845 INFO L132 encePairwiseOnDemand]: 307/317 looper letters, 55 selfloop transitions, 21 changer transitions 0/80 dead transitions. [2021-03-25 15:22:41,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 80 transitions, 647 flow [2021-03-25 15:22:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:22:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:22:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1610 transitions. [2021-03-25 15:22:41,849 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46171494121020934 [2021-03-25 15:22:41,850 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1610 transitions. [2021-03-25 15:22:41,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1610 transitions. [2021-03-25 15:22:41,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:41,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1610 transitions. [2021-03-25 15:22:41,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 146.36363636363637) internal successors, (1610), 11 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:41,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 317.0) internal successors, (3804), 12 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:41,857 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 317.0) internal successors, (3804), 12 states have internal predecessors, (3804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:41,857 INFO L185 Difference]: Start difference. First operand has 64 places, 49 transitions, 357 flow. Second operand 11 states and 1610 transitions. [2021-03-25 15:22:41,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 80 transitions, 647 flow [2021-03-25 15:22:41,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 80 transitions, 621 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-25 15:22:41,861 INFO L241 Difference]: Finished difference. Result has 70 places, 52 transitions, 417 flow [2021-03-25 15:22:41,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=417, PETRI_PLACES=70, PETRI_TRANSITIONS=52} [2021-03-25 15:22:41,862 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 4 predicate places. [2021-03-25 15:22:41,862 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:41,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 52 transitions, 417 flow [2021-03-25 15:22:41,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 52 transitions, 417 flow [2021-03-25 15:22:41,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 52 transitions, 417 flow [2021-03-25 15:22:41,874 INFO L129 PetriNetUnfolder]: 14/126 cut-off events. [2021-03-25 15:22:41,874 INFO L130 PetriNetUnfolder]: For 315/319 co-relation queries the response was YES. [2021-03-25 15:22:41,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 126 events. 14/126 cut-off events. For 315/319 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 577 event pairs, 0 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 346. Up to 15 conditions per place. [2021-03-25 15:22:41,875 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-25 15:22:42,348 INFO L154 LiptonReduction]: Checked pairs total: 238 [2021-03-25 15:22:42,348 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:22:42,348 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 486 [2021-03-25 15:22:42,349 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 50 transitions, 417 flow [2021-03-25 15:22:42,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 142.63636363636363) internal successors, (1569), 11 states have internal predecessors, (1569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:42,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:42,349 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] [2021-03-25 15:22:42,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 15:22:42,350 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]=== [2021-03-25 15:22:42,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:42,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1074115653, now seen corresponding path program 3 times [2021-03-25 15:22:42,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:42,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85110105] [2021-03-25 15:22:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:42,436 INFO L142 QuantifierPusher]: treesize reduction 25, result has 58.3 percent of original size [2021-03-25 15:22:42,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:42,458 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.7 percent of original size [2021-03-25 15:22:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 15:22:42,494 INFO L142 QuantifierPusher]: treesize reduction 42, result has 54.8 percent of original size [2021-03-25 15:22:42,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 15:22:42,529 INFO L142 QuantifierPusher]: treesize reduction 33, result has 59.3 percent of original size [2021-03-25 15:22:42,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:22:42,566 INFO L142 QuantifierPusher]: treesize reduction 33, result has 59.3 percent of original size [2021-03-25 15:22:42,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:22:42,599 INFO L142 QuantifierPusher]: treesize reduction 33, result has 57.1 percent of original size [2021-03-25 15:22:42,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 15:22:42,641 INFO L142 QuantifierPusher]: treesize reduction 33, result has 54.2 percent of original size [2021-03-25 15:22:42,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:22:42,655 INFO L142 QuantifierPusher]: treesize reduction 35, result has 48.5 percent of original size [2021-03-25 15:22:42,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:42,686 INFO L142 QuantifierPusher]: treesize reduction 33, result has 54.2 percent of original size [2021-03-25 15:22:42,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:22:42,752 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-03-25 15:22:42,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:22:42,788 INFO L142 QuantifierPusher]: treesize reduction 28, result has 45.1 percent of original size [2021-03-25 15:22:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:42,807 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-25 15:22:42,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:42,821 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:22:42,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:42,822 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-25 15:22:42,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:42,843 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:22:42,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:42,862 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:22:42,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:42,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85110105] [2021-03-25 15:22:42,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:42,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 15:22:42,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997255092] [2021-03-25 15:22:42,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 15:22:42,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:42,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 15:22:42,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-03-25 15:22:42,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 320 [2021-03-25 15:22:42,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 50 transitions, 417 flow. Second operand has 15 states, 15 states have (on average 140.2) internal successors, (2103), 15 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:42,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:42,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 320 [2021-03-25 15:22:42,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:43,723 INFO L129 PetriNetUnfolder]: 82/259 cut-off events. [2021-03-25 15:22:43,723 INFO L130 PetriNetUnfolder]: For 914/915 co-relation queries the response was YES. [2021-03-25 15:22:43,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1013 conditions, 259 events. 82/259 cut-off events. For 914/915 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1274 event pairs, 35 based on Foata normal form. 1/257 useless extension candidates. Maximal degree in co-relation 900. Up to 165 conditions per place. [2021-03-25 15:22:43,725 INFO L132 encePairwiseOnDemand]: 307/320 looper letters, 46 selfloop transitions, 13 changer transitions 21/84 dead transitions. [2021-03-25 15:22:43,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 84 transitions, 767 flow [2021-03-25 15:22:43,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:22:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:22:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1725 transitions. [2021-03-25 15:22:43,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44921875 [2021-03-25 15:22:43,730 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1725 transitions. [2021-03-25 15:22:43,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1725 transitions. [2021-03-25 15:22:43,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:43,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1725 transitions. [2021-03-25 15:22:43,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.75) internal successors, (1725), 12 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:43,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 320.0) internal successors, (4160), 13 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:43,738 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 320.0) internal successors, (4160), 13 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:43,738 INFO L185 Difference]: Start difference. First operand has 68 places, 50 transitions, 417 flow. Second operand 12 states and 1725 transitions. [2021-03-25 15:22:43,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 84 transitions, 767 flow [2021-03-25 15:22:43,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 84 transitions, 711 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-25 15:22:43,742 INFO L241 Difference]: Finished difference. Result has 80 places, 56 transitions, 474 flow [2021-03-25 15:22:43,742 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=474, PETRI_PLACES=80, PETRI_TRANSITIONS=56} [2021-03-25 15:22:43,742 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 14 predicate places. [2021-03-25 15:22:43,743 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:43,743 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 56 transitions, 474 flow [2021-03-25 15:22:43,743 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 56 transitions, 474 flow [2021-03-25 15:22:43,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 56 transitions, 474 flow [2021-03-25 15:22:43,755 INFO L129 PetriNetUnfolder]: 17/124 cut-off events. [2021-03-25 15:22:43,755 INFO L130 PetriNetUnfolder]: For 407/411 co-relation queries the response was YES. [2021-03-25 15:22:43,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 454 conditions, 124 events. 17/124 cut-off events. For 407/411 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 548 event pairs, 0 based on Foata normal form. 2/125 useless extension candidates. Maximal degree in co-relation 423. Up to 16 conditions per place. [2021-03-25 15:22:43,756 INFO L142 LiptonReduction]: Number of co-enabled transitions 104 [2021-03-25 15:22:43,758 INFO L154 LiptonReduction]: Checked pairs total: 110 [2021-03-25 15:22:43,758 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:43,758 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 15:22:43,759 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 56 transitions, 474 flow [2021-03-25 15:22:43,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.2) internal successors, (2103), 15 states have internal predecessors, (2103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:43,759 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:43,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:43,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 15:22:43,760 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]=== [2021-03-25 15:22:43,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:43,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1545270526, now seen corresponding path program 1 times [2021-03-25 15:22:43,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:43,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239114404] [2021-03-25 15:22:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:43,878 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:22:43,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:43,890 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-03-25 15:22:43,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:22:43,922 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 15:22:43,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:22:43,948 INFO L142 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size [2021-03-25 15:22:43,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:43,982 INFO L142 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size [2021-03-25 15:22:43,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:44,035 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-03-25 15:22:44,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:44,043 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-25 15:22:44,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:44,073 INFO L142 QuantifierPusher]: treesize reduction 32, result has 41.8 percent of original size [2021-03-25 15:22:44,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:44,090 INFO L142 QuantifierPusher]: treesize reduction 30, result has 49.2 percent of original size [2021-03-25 15:22:44,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:44,110 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:22:44,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:44,130 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:22:44,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:44,132 INFO L142 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-03-25 15:22:44,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:44,170 INFO L142 QuantifierPusher]: treesize reduction 29, result has 52.5 percent of original size [2021-03-25 15:22:44,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:22:44,201 INFO L142 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-03-25 15:22:44,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:44,231 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:44,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:44,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239114404] [2021-03-25 15:22:44,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:44,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 15:22:44,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871390234] [2021-03-25 15:22:44,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 15:22:44,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:44,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 15:22:44,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-25 15:22:44,252 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 320 [2021-03-25 15:22:44,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 56 transitions, 474 flow. Second operand has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:44,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:44,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 320 [2021-03-25 15:22:44,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:45,004 INFO L129 PetriNetUnfolder]: 77/245 cut-off events. [2021-03-25 15:22:45,004 INFO L130 PetriNetUnfolder]: For 831/832 co-relation queries the response was YES. [2021-03-25 15:22:45,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1016 conditions, 245 events. 77/245 cut-off events. For 831/832 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1192 event pairs, 39 based on Foata normal form. 1/243 useless extension candidates. Maximal degree in co-relation 983. Up to 166 conditions per place. [2021-03-25 15:22:45,006 INFO L132 encePairwiseOnDemand]: 307/320 looper letters, 46 selfloop transitions, 14 changer transitions 15/79 dead transitions. [2021-03-25 15:22:45,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 79 transitions, 754 flow [2021-03-25 15:22:45,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:22:45,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:22:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1724 transitions. [2021-03-25 15:22:45,011 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44895833333333335 [2021-03-25 15:22:45,011 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1724 transitions. [2021-03-25 15:22:45,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1724 transitions. [2021-03-25 15:22:45,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:45,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1724 transitions. [2021-03-25 15:22:45,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.66666666666666) internal successors, (1724), 12 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:45,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 320.0) internal successors, (4160), 13 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:45,019 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 320.0) internal successors, (4160), 13 states have internal predecessors, (4160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:45,019 INFO L185 Difference]: Start difference. First operand has 75 places, 56 transitions, 474 flow. Second operand 12 states and 1724 transitions. [2021-03-25 15:22:45,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 79 transitions, 754 flow [2021-03-25 15:22:45,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 79 transitions, 730 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-25 15:22:45,024 INFO L241 Difference]: Finished difference. Result has 86 places, 58 transitions, 515 flow [2021-03-25 15:22:45,024 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=515, PETRI_PLACES=86, PETRI_TRANSITIONS=58} [2021-03-25 15:22:45,025 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 20 predicate places. [2021-03-25 15:22:45,025 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:45,025 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 58 transitions, 515 flow [2021-03-25 15:22:45,025 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 58 transitions, 515 flow [2021-03-25 15:22:45,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 58 transitions, 515 flow [2021-03-25 15:22:45,037 INFO L129 PetriNetUnfolder]: 16/123 cut-off events. [2021-03-25 15:22:45,037 INFO L130 PetriNetUnfolder]: For 465/471 co-relation queries the response was YES. [2021-03-25 15:22:45,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 485 conditions, 123 events. 16/123 cut-off events. For 465/471 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 544 event pairs, 0 based on Foata normal form. 3/125 useless extension candidates. Maximal degree in co-relation 452. Up to 16 conditions per place. [2021-03-25 15:22:45,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-25 15:22:45,094 INFO L154 LiptonReduction]: Checked pairs total: 134 [2021-03-25 15:22:45,094 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:22:45,094 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69 [2021-03-25 15:22:45,095 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 57 transitions, 511 flow [2021-03-25 15:22:45,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:45,095 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:45,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:45,096 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 15:22:45,096 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]=== [2021-03-25 15:22:45,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:45,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1050884072, now seen corresponding path program 2 times [2021-03-25 15:22:45,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:45,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100482264] [2021-03-25 15:22:45,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:45,187 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:22:45,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:45,217 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-03-25 15:22:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:22:45,250 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 15:22:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:22:45,282 INFO L142 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size [2021-03-25 15:22:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:45,316 INFO L142 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size [2021-03-25 15:22:45,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:45,346 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-03-25 15:22:45,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:45,355 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-25 15:22:45,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:45,387 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-03-25 15:22:45,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:45,415 INFO L142 QuantifierPusher]: treesize reduction 30, result has 49.2 percent of original size [2021-03-25 15:22:45,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:45,434 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:22:45,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:45,451 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:22:45,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:45,455 INFO L142 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-03-25 15:22:45,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:45,492 INFO L142 QuantifierPusher]: treesize reduction 29, result has 52.5 percent of original size [2021-03-25 15:22:45,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:22:45,522 INFO L142 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-03-25 15:22:45,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:22:45,552 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:45,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:45,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100482264] [2021-03-25 15:22:45,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:45,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 15:22:45,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844437870] [2021-03-25 15:22:45,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 15:22:45,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:45,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 15:22:45,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-25 15:22:45,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 321 [2021-03-25 15:22:45,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 57 transitions, 511 flow. Second operand has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:45,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:45,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 321 [2021-03-25 15:22:45,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:46,308 INFO L129 PetriNetUnfolder]: 87/270 cut-off events. [2021-03-25 15:22:46,308 INFO L130 PetriNetUnfolder]: For 923/924 co-relation queries the response was YES. [2021-03-25 15:22:46,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1134 conditions, 270 events. 87/270 cut-off events. For 923/924 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1372 event pairs, 32 based on Foata normal form. 1/269 useless extension candidates. Maximal degree in co-relation 1099. Up to 169 conditions per place. [2021-03-25 15:22:46,311 INFO L132 encePairwiseOnDemand]: 308/321 looper letters, 54 selfloop transitions, 16 changer transitions 11/85 dead transitions. [2021-03-25 15:22:46,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 85 transitions, 833 flow [2021-03-25 15:22:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:22:46,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:22:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1591 transitions. [2021-03-25 15:22:46,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4505805720758992 [2021-03-25 15:22:46,317 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1591 transitions. [2021-03-25 15:22:46,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1591 transitions. [2021-03-25 15:22:46,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:46,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1591 transitions. [2021-03-25 15:22:46,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.63636363636363) internal successors, (1591), 11 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:46,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:46,325 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 321.0) internal successors, (3852), 12 states have internal predecessors, (3852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:46,325 INFO L185 Difference]: Start difference. First operand has 80 places, 57 transitions, 511 flow. Second operand 11 states and 1591 transitions. [2021-03-25 15:22:46,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 85 transitions, 833 flow [2021-03-25 15:22:46,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 85 transitions, 773 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-03-25 15:22:46,331 INFO L241 Difference]: Finished difference. Result has 83 places, 60 transitions, 532 flow [2021-03-25 15:22:46,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=532, PETRI_PLACES=83, PETRI_TRANSITIONS=60} [2021-03-25 15:22:46,331 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 17 predicate places. [2021-03-25 15:22:46,331 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:46,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 60 transitions, 532 flow [2021-03-25 15:22:46,332 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 60 transitions, 532 flow [2021-03-25 15:22:46,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 60 transitions, 532 flow [2021-03-25 15:22:46,344 INFO L129 PetriNetUnfolder]: 17/140 cut-off events. [2021-03-25 15:22:46,345 INFO L130 PetriNetUnfolder]: For 480/484 co-relation queries the response was YES. [2021-03-25 15:22:46,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 140 events. 17/140 cut-off events. For 480/484 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 686 event pairs, 0 based on Foata normal form. 4/143 useless extension candidates. Maximal degree in co-relation 493. Up to 19 conditions per place. [2021-03-25 15:22:46,346 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-25 15:22:46,487 INFO L154 LiptonReduction]: Checked pairs total: 160 [2021-03-25 15:22:46,487 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:22:46,488 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-03-25 15:22:46,488 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 60 transitions, 534 flow [2021-03-25 15:22:46,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 140.13333333333333) internal successors, (2102), 15 states have internal predecessors, (2102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:46,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:46,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:46,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 15:22:46,489 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]=== [2021-03-25 15:22:46,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:46,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1307941712, now seen corresponding path program 1 times [2021-03-25 15:22:46,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:46,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548274452] [2021-03-25 15:22:46,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:46,638 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:22:46,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:46,660 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:22:46,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:22:46,693 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:22:46,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:46,726 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:22:46,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:46,763 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:22:46,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:46,798 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:22:46,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:46,813 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:22:46,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:46,850 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:22:46,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:46,865 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:22:46,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:46,881 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-25 15:22:46,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:22:46,891 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-03-25 15:22:46,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:22:46,906 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:22:46,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:46,941 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:22:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:46,960 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:46,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:46,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548274452] [2021-03-25 15:22:46,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:46,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:22:46,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478279248] [2021-03-25 15:22:46,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:22:46,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:46,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:22:46,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:22:46,980 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 323 [2021-03-25 15:22:46,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 60 transitions, 534 flow. Second operand has 14 states, 14 states have (on average 141.21428571428572) internal successors, (1977), 14 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:46,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:46,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 323 [2021-03-25 15:22:46,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:47,679 INFO L129 PetriNetUnfolder]: 82/262 cut-off events. [2021-03-25 15:22:47,679 INFO L130 PetriNetUnfolder]: For 916/917 co-relation queries the response was YES. [2021-03-25 15:22:47,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1119 conditions, 262 events. 82/262 cut-off events. For 916/917 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1323 event pairs, 36 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 1086. Up to 183 conditions per place. [2021-03-25 15:22:47,681 INFO L132 encePairwiseOnDemand]: 307/323 looper letters, 55 selfloop transitions, 23 changer transitions 2/84 dead transitions. [2021-03-25 15:22:47,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 84 transitions, 849 flow [2021-03-25 15:22:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:22:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:22:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1741 transitions. [2021-03-25 15:22:47,684 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44917440660474717 [2021-03-25 15:22:47,685 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1741 transitions. [2021-03-25 15:22:47,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1741 transitions. [2021-03-25 15:22:47,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:47,685 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1741 transitions. [2021-03-25 15:22:47,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 145.08333333333334) internal successors, (1741), 12 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:47,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 323.0) internal successors, (4199), 13 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:47,691 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 323.0) internal successors, (4199), 13 states have internal predecessors, (4199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:47,691 INFO L185 Difference]: Start difference. First operand has 80 places, 60 transitions, 534 flow. Second operand 12 states and 1741 transitions. [2021-03-25 15:22:47,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 84 transitions, 849 flow [2021-03-25 15:22:47,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 84 transitions, 802 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-25 15:22:47,697 INFO L241 Difference]: Finished difference. Result has 89 places, 69 transitions, 633 flow [2021-03-25 15:22:47,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=633, PETRI_PLACES=89, PETRI_TRANSITIONS=69} [2021-03-25 15:22:47,697 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 23 predicate places. [2021-03-25 15:22:47,697 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:47,697 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 69 transitions, 633 flow [2021-03-25 15:22:47,697 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 69 transitions, 633 flow [2021-03-25 15:22:47,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 69 transitions, 633 flow [2021-03-25 15:22:47,713 INFO L129 PetriNetUnfolder]: 26/163 cut-off events. [2021-03-25 15:22:47,713 INFO L130 PetriNetUnfolder]: For 589/595 co-relation queries the response was YES. [2021-03-25 15:22:47,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 163 events. 26/163 cut-off events. For 589/595 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 832 event pairs, 1 based on Foata normal form. 5/166 useless extension candidates. Maximal degree in co-relation 584. Up to 21 conditions per place. [2021-03-25 15:22:47,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 120 [2021-03-25 15:22:47,925 INFO L154 LiptonReduction]: Checked pairs total: 59 [2021-03-25 15:22:47,925 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 15:22:47,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 229 [2021-03-25 15:22:47,926 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 68 transitions, 635 flow [2021-03-25 15:22:47,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 141.21428571428572) internal successors, (1977), 14 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:47,927 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:47,927 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:47,927 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 15:22:47,927 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]=== [2021-03-25 15:22:47,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:47,927 INFO L82 PathProgramCache]: Analyzing trace with hash 873579720, now seen corresponding path program 1 times [2021-03-25 15:22:47,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:47,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375823870] [2021-03-25 15:22:47,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:47,986 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-25 15:22:47,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:47,995 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-25 15:22:47,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:48,008 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-25 15:22:48,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:48,022 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-25 15:22:48,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:48,038 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:48,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:48,053 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 15:22:48,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:48,067 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-25 15:22:48,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:22:48,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-25 15:22:48,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:48,105 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-03-25 15:22:48,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:48,120 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:48,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:48,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375823870] [2021-03-25 15:22:48,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:48,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:22:48,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019472508] [2021-03-25 15:22:48,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:22:48,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:48,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:22:48,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:22:48,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 326 [2021-03-25 15:22:48,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 68 transitions, 635 flow. Second operand has 11 states, 11 states have (on average 142.45454545454547) internal successors, (1567), 11 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:48,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:48,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 326 [2021-03-25 15:22:48,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:48,632 INFO L129 PetriNetUnfolder]: 92/320 cut-off events. [2021-03-25 15:22:48,632 INFO L130 PetriNetUnfolder]: For 1117/1118 co-relation queries the response was YES. [2021-03-25 15:22:48,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1414 conditions, 320 events. 92/320 cut-off events. For 1117/1118 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1833 event pairs, 11 based on Foata normal form. 1/318 useless extension candidates. Maximal degree in co-relation 1319. Up to 71 conditions per place. [2021-03-25 15:22:48,634 INFO L132 encePairwiseOnDemand]: 313/326 looper letters, 67 selfloop transitions, 40 changer transitions 3/114 dead transitions. [2021-03-25 15:22:48,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 114 transitions, 1185 flow [2021-03-25 15:22:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 15:22:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 15:22:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1905 transitions. [2021-03-25 15:22:48,637 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4495044832468145 [2021-03-25 15:22:48,638 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1905 transitions. [2021-03-25 15:22:48,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1905 transitions. [2021-03-25 15:22:48,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:48,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1905 transitions. [2021-03-25 15:22:48,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 146.53846153846155) internal successors, (1905), 13 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:48,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 326.0) internal successors, (4564), 14 states have internal predecessors, (4564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:48,644 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 326.0) internal successors, (4564), 14 states have internal predecessors, (4564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:48,645 INFO L185 Difference]: Start difference. First operand has 88 places, 68 transitions, 635 flow. Second operand 13 states and 1905 transitions. [2021-03-25 15:22:48,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 114 transitions, 1185 flow [2021-03-25 15:22:48,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 114 transitions, 1151 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-25 15:22:48,652 INFO L241 Difference]: Finished difference. Result has 97 places, 79 transitions, 804 flow [2021-03-25 15:22:48,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=326, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=804, PETRI_PLACES=97, PETRI_TRANSITIONS=79} [2021-03-25 15:22:48,652 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 31 predicate places. [2021-03-25 15:22:48,652 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:48,652 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 79 transitions, 804 flow [2021-03-25 15:22:48,653 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 79 transitions, 804 flow [2021-03-25 15:22:48,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 79 transitions, 804 flow [2021-03-25 15:22:48,673 INFO L129 PetriNetUnfolder]: 35/216 cut-off events. [2021-03-25 15:22:48,673 INFO L130 PetriNetUnfolder]: For 930/935 co-relation queries the response was YES. [2021-03-25 15:22:48,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 216 events. 35/216 cut-off events. For 930/935 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1303 event pairs, 2 based on Foata normal form. 4/217 useless extension candidates. Maximal degree in co-relation 842. Up to 41 conditions per place. [2021-03-25 15:22:48,675 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 15:22:48,825 INFO L154 LiptonReduction]: Checked pairs total: 68 [2021-03-25 15:22:48,825 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:22:48,825 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 173 [2021-03-25 15:22:48,826 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 79 transitions, 812 flow [2021-03-25 15:22:48,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 142.45454545454547) internal successors, (1567), 11 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:48,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:48,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:48,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 15:22:48,826 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]=== [2021-03-25 15:22:48,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:48,827 INFO L82 PathProgramCache]: Analyzing trace with hash -245936376, now seen corresponding path program 2 times [2021-03-25 15:22:48,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:48,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932882687] [2021-03-25 15:22:48,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:48,920 INFO L142 QuantifierPusher]: treesize reduction 11, result has 57.7 percent of original size [2021-03-25 15:22:48,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:48,929 INFO L142 QuantifierPusher]: treesize reduction 5, result has 80.8 percent of original size [2021-03-25 15:22:48,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:48,942 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-25 15:22:48,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:48,957 INFO L142 QuantifierPusher]: treesize reduction 10, result has 67.7 percent of original size [2021-03-25 15:22:48,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:48,970 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:48,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:48,983 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 15:22:48,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:48,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-03-25 15:22:48,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:22:49,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 71.9 percent of original size [2021-03-25 15:22:49,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:49,025 INFO L142 QuantifierPusher]: treesize reduction 9, result has 76.9 percent of original size [2021-03-25 15:22:49,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:49,036 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-03-25 15:22:49,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:49,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932882687] [2021-03-25 15:22:49,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:49,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 15:22:49,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008974894] [2021-03-25 15:22:49,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:22:49,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:49,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:22:49,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:22:49,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 327 [2021-03-25 15:22:49,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 79 transitions, 812 flow. Second operand has 11 states, 11 states have (on average 142.45454545454547) internal successors, (1567), 11 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:49,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:49,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 327 [2021-03-25 15:22:49,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:49,615 INFO L129 PetriNetUnfolder]: 87/304 cut-off events. [2021-03-25 15:22:49,615 INFO L130 PetriNetUnfolder]: For 1389/1390 co-relation queries the response was YES. [2021-03-25 15:22:49,616 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 304 events. 87/304 cut-off events. For 1389/1390 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1703 event pairs, 19 based on Foata normal form. 0/303 useless extension candidates. Maximal degree in co-relation 1415. Up to 75 conditions per place. [2021-03-25 15:22:49,617 INFO L132 encePairwiseOnDemand]: 314/327 looper letters, 72 selfloop transitions, 37 changer transitions 2/115 dead transitions. [2021-03-25 15:22:49,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 115 transitions, 1273 flow [2021-03-25 15:22:49,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 15:22:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 15:22:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1906 transitions. [2021-03-25 15:22:49,620 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4483650905669254 [2021-03-25 15:22:49,620 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1906 transitions. [2021-03-25 15:22:49,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1906 transitions. [2021-03-25 15:22:49,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:49,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1906 transitions. [2021-03-25 15:22:49,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 146.6153846153846) internal successors, (1906), 13 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:49,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 327.0) internal successors, (4578), 14 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:49,627 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 327.0) internal successors, (4578), 14 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:49,627 INFO L185 Difference]: Start difference. First operand has 95 places, 79 transitions, 812 flow. Second operand 13 states and 1906 transitions. [2021-03-25 15:22:49,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 115 transitions, 1273 flow [2021-03-25 15:22:49,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 115 transitions, 1161 flow, removed 22 selfloop flow, removed 9 redundant places. [2021-03-25 15:22:49,635 INFO L241 Difference]: Finished difference. Result has 99 places, 79 transitions, 818 flow [2021-03-25 15:22:49,635 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=693, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=818, PETRI_PLACES=99, PETRI_TRANSITIONS=79} [2021-03-25 15:22:49,636 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 33 predicate places. [2021-03-25 15:22:49,636 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:49,636 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 79 transitions, 818 flow [2021-03-25 15:22:49,636 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 79 transitions, 818 flow [2021-03-25 15:22:49,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 79 transitions, 818 flow [2021-03-25 15:22:49,655 INFO L129 PetriNetUnfolder]: 32/208 cut-off events. [2021-03-25 15:22:49,655 INFO L130 PetriNetUnfolder]: For 867/872 co-relation queries the response was YES. [2021-03-25 15:22:49,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 208 events. 32/208 cut-off events. For 867/872 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1252 event pairs, 3 based on Foata normal form. 1/208 useless extension candidates. Maximal degree in co-relation 681. Up to 40 conditions per place. [2021-03-25 15:22:49,657 INFO L142 LiptonReduction]: Number of co-enabled transitions 96 [2021-03-25 15:22:49,661 INFO L154 LiptonReduction]: Checked pairs total: 36 [2021-03-25 15:22:49,661 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:49,661 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-03-25 15:22:49,661 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 79 transitions, 818 flow [2021-03-25 15:22:49,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 142.45454545454547) internal successors, (1567), 11 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:49,662 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:49,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:49,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 15:22:49,662 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]=== [2021-03-25 15:22:49,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:49,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1393292054, now seen corresponding path program 1 times [2021-03-25 15:22:49,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:49,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365288091] [2021-03-25 15:22:49,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:49,738 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:22:49,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:49,759 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:22:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:22:49,789 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:22:49,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:49,819 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:22:49,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:49,851 INFO L142 QuantifierPusher]: treesize reduction 36, result has 60.4 percent of original size [2021-03-25 15:22:49,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:22:49,895 INFO L142 QuantifierPusher]: treesize reduction 36, result has 57.6 percent of original size [2021-03-25 15:22:49,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 15:22:49,939 INFO L142 QuantifierPusher]: treesize reduction 12, result has 74.5 percent of original size [2021-03-25 15:22:49,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:49,961 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 15:22:49,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:22:49,997 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 15:22:49,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:22:50,023 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-25 15:22:50,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:22:50,059 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:22:50,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:50,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:50,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:50,106 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:50,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:50,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365288091] [2021-03-25 15:22:50,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:50,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:22:50,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394352651] [2021-03-25 15:22:50,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:22:50,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:50,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:22:50,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:22:50,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 327 [2021-03-25 15:22:50,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 79 transitions, 818 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:50,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:50,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 327 [2021-03-25 15:22:50,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:50,969 INFO L129 PetriNetUnfolder]: 85/308 cut-off events. [2021-03-25 15:22:50,969 INFO L130 PetriNetUnfolder]: For 1457/1458 co-relation queries the response was YES. [2021-03-25 15:22:50,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 308 events. 85/308 cut-off events. For 1457/1458 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1747 event pairs, 31 based on Foata normal form. 1/308 useless extension candidates. Maximal degree in co-relation 1153. Up to 228 conditions per place. [2021-03-25 15:22:50,972 INFO L132 encePairwiseOnDemand]: 314/327 looper letters, 69 selfloop transitions, 17 changer transitions 7/97 dead transitions. [2021-03-25 15:22:50,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 97 transitions, 1139 flow [2021-03-25 15:22:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:22:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:22:50,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1724 transitions. [2021-03-25 15:22:50,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43934760448521915 [2021-03-25 15:22:50,975 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1724 transitions. [2021-03-25 15:22:50,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1724 transitions. [2021-03-25 15:22:50,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:50,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1724 transitions. [2021-03-25 15:22:50,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.66666666666666) internal successors, (1724), 12 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:50,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 327.0) internal successors, (4251), 13 states have internal predecessors, (4251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:50,980 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 327.0) internal successors, (4251), 13 states have internal predecessors, (4251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:50,980 INFO L185 Difference]: Start difference. First operand has 99 places, 79 transitions, 818 flow. Second operand 12 states and 1724 transitions. [2021-03-25 15:22:50,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 97 transitions, 1139 flow [2021-03-25 15:22:50,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 97 transitions, 1090 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-03-25 15:22:50,988 INFO L241 Difference]: Finished difference. Result has 110 places, 84 transitions, 879 flow [2021-03-25 15:22:50,988 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=879, PETRI_PLACES=110, PETRI_TRANSITIONS=84} [2021-03-25 15:22:50,988 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 44 predicate places. [2021-03-25 15:22:50,988 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:50,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 84 transitions, 879 flow [2021-03-25 15:22:50,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 84 transitions, 879 flow [2021-03-25 15:22:50,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 84 transitions, 879 flow [2021-03-25 15:22:51,010 INFO L129 PetriNetUnfolder]: 33/216 cut-off events. [2021-03-25 15:22:51,011 INFO L130 PetriNetUnfolder]: For 890/891 co-relation queries the response was YES. [2021-03-25 15:22:51,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 947 conditions, 216 events. 33/216 cut-off events. For 890/891 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1331 event pairs, 2 based on Foata normal form. 1/215 useless extension candidates. Maximal degree in co-relation 903. Up to 42 conditions per place. [2021-03-25 15:22:51,013 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 15:22:51,225 INFO L154 LiptonReduction]: Checked pairs total: 146 [2021-03-25 15:22:51,225 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:22:51,226 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 238 [2021-03-25 15:22:51,226 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 84 transitions, 890 flow [2021-03-25 15:22:51,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:51,226 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:51,227 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:51,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 15:22:51,227 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]=== [2021-03-25 15:22:51,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:51,227 INFO L82 PathProgramCache]: Analyzing trace with hash -971694338, now seen corresponding path program 2 times [2021-03-25 15:22:51,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:51,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687129145] [2021-03-25 15:22:51,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:51,323 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:22:51,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:51,345 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:22:51,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:22:51,375 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:22:51,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:51,410 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:22:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:51,443 INFO L142 QuantifierPusher]: treesize reduction 36, result has 60.4 percent of original size [2021-03-25 15:22:51,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:22:51,487 INFO L142 QuantifierPusher]: treesize reduction 36, result has 60.0 percent of original size [2021-03-25 15:22:51,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 15:22:51,537 INFO L142 QuantifierPusher]: treesize reduction 36, result has 57.1 percent of original size [2021-03-25 15:22:51,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:22:51,582 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 15:22:51,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:22:51,606 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 15:22:51,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:22:51,629 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-25 15:22:51,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:22:51,661 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:22:51,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:51,680 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:51,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:51,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:22:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:51,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687129145] [2021-03-25 15:22:51,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:51,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:22:51,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249458039] [2021-03-25 15:22:51,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:22:51,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:51,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:22:51,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:22:51,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 329 [2021-03-25 15:22:51,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 84 transitions, 890 flow. Second operand has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:51,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:51,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 329 [2021-03-25 15:22:51,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:52,322 INFO L129 PetriNetUnfolder]: 83/294 cut-off events. [2021-03-25 15:22:52,322 INFO L130 PetriNetUnfolder]: For 1399/1400 co-relation queries the response was YES. [2021-03-25 15:22:52,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1481 conditions, 294 events. 83/294 cut-off events. For 1399/1400 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1616 event pairs, 36 based on Foata normal form. 1/294 useless extension candidates. Maximal degree in co-relation 1435. Up to 242 conditions per place. [2021-03-25 15:22:52,324 INFO L132 encePairwiseOnDemand]: 316/329 looper letters, 63 selfloop transitions, 13 changer transitions 10/90 dead transitions. [2021-03-25 15:22:52,324 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 90 transitions, 1098 flow [2021-03-25 15:22:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:22:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:22:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1577 transitions. [2021-03-25 15:22:52,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43575573362807407 [2021-03-25 15:22:52,328 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1577 transitions. [2021-03-25 15:22:52,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1577 transitions. [2021-03-25 15:22:52,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:52,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1577 transitions. [2021-03-25 15:22:52,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.36363636363637) internal successors, (1577), 11 states have internal predecessors, (1577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:52,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 329.0) internal successors, (3948), 12 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:52,333 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 329.0) internal successors, (3948), 12 states have internal predecessors, (3948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:52,333 INFO L185 Difference]: Start difference. First operand has 107 places, 84 transitions, 890 flow. Second operand 11 states and 1577 transitions. [2021-03-25 15:22:52,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 90 transitions, 1098 flow [2021-03-25 15:22:52,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 90 transitions, 1035 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-03-25 15:22:52,342 INFO L241 Difference]: Finished difference. Result has 112 places, 79 transitions, 797 flow [2021-03-25 15:22:52,342 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=797, PETRI_PLACES=112, PETRI_TRANSITIONS=79} [2021-03-25 15:22:52,342 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 46 predicate places. [2021-03-25 15:22:52,342 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:52,342 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 79 transitions, 797 flow [2021-03-25 15:22:52,342 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 79 transitions, 797 flow [2021-03-25 15:22:52,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 79 transitions, 797 flow [2021-03-25 15:22:52,361 INFO L129 PetriNetUnfolder]: 32/201 cut-off events. [2021-03-25 15:22:52,361 INFO L130 PetriNetUnfolder]: For 796/797 co-relation queries the response was YES. [2021-03-25 15:22:52,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 858 conditions, 201 events. 32/201 cut-off events. For 796/797 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1187 event pairs, 2 based on Foata normal form. 1/201 useless extension candidates. Maximal degree in co-relation 779. Up to 41 conditions per place. [2021-03-25 15:22:52,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-25 15:22:52,470 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 15:22:52,678 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-03-25 15:22:52,765 INFO L154 LiptonReduction]: Checked pairs total: 96 [2021-03-25 15:22:52,765 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:22:52,765 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 423 [2021-03-25 15:22:52,765 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 79 transitions, 810 flow [2021-03-25 15:22:52,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.07142857142858) internal successors, (1961), 14 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:52,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:52,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:52,766 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 15:22:52,766 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]=== [2021-03-25 15:22:52,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:52,766 INFO L82 PathProgramCache]: Analyzing trace with hash -878800501, now seen corresponding path program 1 times [2021-03-25 15:22:52,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:52,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606270922] [2021-03-25 15:22:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:52,847 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.5 percent of original size [2021-03-25 15:22:52,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 15:22:52,878 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.9 percent of original size [2021-03-25 15:22:52,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 15:22:52,919 INFO L142 QuantifierPusher]: treesize reduction 37, result has 56.5 percent of original size [2021-03-25 15:22:52,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:22:52,960 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:22:52,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:52,993 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:22:52,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:53,022 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:22:53,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:53,029 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:22:53,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:53,056 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:22:53,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:53,071 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:22:53,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:53,106 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-25 15:22:53,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:22:53,118 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-25 15:22:53,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:22:53,136 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:22:53,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:53,155 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:22:53,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:53,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606270922] [2021-03-25 15:22:53,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:53,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:22:53,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050429376] [2021-03-25 15:22:53,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:22:53,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:53,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:22:53,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:22:53,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 330 [2021-03-25 15:22:53,159 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 79 transitions, 810 flow. Second operand has 12 states, 12 states have (on average 142.25) internal successors, (1707), 12 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:53,159 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:53,159 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 330 [2021-03-25 15:22:53,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:53,675 INFO L129 PetriNetUnfolder]: 85/295 cut-off events. [2021-03-25 15:22:53,675 INFO L130 PetriNetUnfolder]: For 1318/1320 co-relation queries the response was YES. [2021-03-25 15:22:53,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1450 conditions, 295 events. 85/295 cut-off events. For 1318/1320 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1639 event pairs, 36 based on Foata normal form. 1/294 useless extension candidates. Maximal degree in co-relation 1360. Up to 217 conditions per place. [2021-03-25 15:22:53,677 INFO L132 encePairwiseOnDemand]: 315/330 looper letters, 63 selfloop transitions, 22 changer transitions 4/93 dead transitions. [2021-03-25 15:22:53,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 93 transitions, 1116 flow [2021-03-25 15:22:53,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:22:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:22:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1461 transitions. [2021-03-25 15:22:53,679 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44272727272727275 [2021-03-25 15:22:53,680 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1461 transitions. [2021-03-25 15:22:53,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1461 transitions. [2021-03-25 15:22:53,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:53,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1461 transitions. [2021-03-25 15:22:53,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 146.1) internal successors, (1461), 10 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:53,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:53,684 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:53,684 INFO L185 Difference]: Start difference. First operand has 105 places, 79 transitions, 810 flow. Second operand 10 states and 1461 transitions. [2021-03-25 15:22:53,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 93 transitions, 1116 flow [2021-03-25 15:22:53,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 93 transitions, 1035 flow, removed 10 selfloop flow, removed 14 redundant places. [2021-03-25 15:22:53,692 INFO L241 Difference]: Finished difference. Result has 102 places, 80 transitions, 804 flow [2021-03-25 15:22:53,692 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=804, PETRI_PLACES=102, PETRI_TRANSITIONS=80} [2021-03-25 15:22:53,692 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 36 predicate places. [2021-03-25 15:22:53,692 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:53,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 80 transitions, 804 flow [2021-03-25 15:22:53,693 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 80 transitions, 804 flow [2021-03-25 15:22:53,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 80 transitions, 804 flow [2021-03-25 15:22:53,711 INFO L129 PetriNetUnfolder]: 32/203 cut-off events. [2021-03-25 15:22:53,711 INFO L130 PetriNetUnfolder]: For 823/829 co-relation queries the response was YES. [2021-03-25 15:22:53,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 203 events. 32/203 cut-off events. For 823/829 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1198 event pairs, 3 based on Foata normal form. 1/203 useless extension candidates. Maximal degree in co-relation 800. Up to 41 conditions per place. [2021-03-25 15:22:53,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 90 [2021-03-25 15:22:53,716 INFO L154 LiptonReduction]: Checked pairs total: 72 [2021-03-25 15:22:53,716 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:53,716 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-25 15:22:53,716 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 80 transitions, 804 flow [2021-03-25 15:22:53,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 142.25) internal successors, (1707), 12 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:53,717 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:53,717 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:53,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 15:22:53,717 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]=== [2021-03-25 15:22:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:53,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1847495724, now seen corresponding path program 1 times [2021-03-25 15:22:53,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:53,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508746004] [2021-03-25 15:22:53,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:53,778 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-03-25 15:22:53,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 15:22:53,786 INFO L142 QuantifierPusher]: treesize reduction 12, result has 63.6 percent of original size [2021-03-25 15:22:53,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:22:53,798 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-25 15:22:53,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:22:53,812 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-25 15:22:53,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:22:53,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:53,838 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:53,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:53,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:53,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:53,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:53,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-25 15:22:53,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:22:53,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:53,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:53,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508746004] [2021-03-25 15:22:53,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:53,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:22:53,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512751673] [2021-03-25 15:22:53,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 15:22:53,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:53,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 15:22:53,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-03-25 15:22:53,915 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 330 [2021-03-25 15:22:53,916 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 80 transitions, 804 flow. Second operand has 11 states, 11 states have (on average 147.36363636363637) internal successors, (1621), 11 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:53,916 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:53,916 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 330 [2021-03-25 15:22:53,916 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:54,632 INFO L129 PetriNetUnfolder]: 183/537 cut-off events. [2021-03-25 15:22:54,632 INFO L130 PetriNetUnfolder]: For 2591/2593 co-relation queries the response was YES. [2021-03-25 15:22:54,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2602 conditions, 537 events. 183/537 cut-off events. For 2591/2593 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3329 event pairs, 62 based on Foata normal form. 1/538 useless extension candidates. Maximal degree in co-relation 2545. Up to 256 conditions per place. [2021-03-25 15:22:54,637 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 108 selfloop transitions, 60 changer transitions 4/173 dead transitions. [2021-03-25 15:22:54,637 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 173 transitions, 2004 flow [2021-03-25 15:22:54,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:22:54,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:22:54,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1697 transitions. [2021-03-25 15:22:54,640 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4674931129476584 [2021-03-25 15:22:54,640 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1697 transitions. [2021-03-25 15:22:54,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1697 transitions. [2021-03-25 15:22:54,640 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:54,640 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1697 transitions. [2021-03-25 15:22:54,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 154.27272727272728) internal successors, (1697), 11 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:54,645 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:54,646 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 330.0) internal successors, (3960), 12 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:54,646 INFO L185 Difference]: Start difference. First operand has 101 places, 80 transitions, 804 flow. Second operand 11 states and 1697 transitions. [2021-03-25 15:22:54,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 173 transitions, 2004 flow [2021-03-25 15:22:54,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 173 transitions, 1912 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-25 15:22:54,657 INFO L241 Difference]: Finished difference. Result has 108 places, 119 transitions, 1395 flow [2021-03-25 15:22:54,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=751, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1395, PETRI_PLACES=108, PETRI_TRANSITIONS=119} [2021-03-25 15:22:54,658 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 42 predicate places. [2021-03-25 15:22:54,658 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:54,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 119 transitions, 1395 flow [2021-03-25 15:22:54,658 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 119 transitions, 1395 flow [2021-03-25 15:22:54,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 119 transitions, 1395 flow [2021-03-25 15:22:54,691 INFO L129 PetriNetUnfolder]: 79/363 cut-off events. [2021-03-25 15:22:54,692 INFO L130 PetriNetUnfolder]: For 2196/2205 co-relation queries the response was YES. [2021-03-25 15:22:54,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1762 conditions, 363 events. 79/363 cut-off events. For 2196/2205 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2457 event pairs, 5 based on Foata normal form. 4/364 useless extension candidates. Maximal degree in co-relation 1560. Up to 78 conditions per place. [2021-03-25 15:22:54,695 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-25 15:22:54,699 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-25 15:22:54,699 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:54,699 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-25 15:22:54,700 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 119 transitions, 1395 flow [2021-03-25 15:22:54,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 147.36363636363637) internal successors, (1621), 11 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:54,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:54,701 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:54,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 15:22:54,701 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]=== [2021-03-25 15:22:54,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:54,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1827075860, now seen corresponding path program 1 times [2021-03-25 15:22:54,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:54,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466853830] [2021-03-25 15:22:54,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:54,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:54,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:54,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:54,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 15:22:54,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:54,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:54,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:54,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:54,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:54,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:22:54,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:22:54,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:54,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:54,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:22:54,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:54,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:54,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466853830] [2021-03-25 15:22:54,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:54,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:22:54,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478227196] [2021-03-25 15:22:54,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:22:54,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:22:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:22:54,936 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 330 [2021-03-25 15:22:54,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 119 transitions, 1395 flow. Second operand has 12 states, 12 states have (on average 138.33333333333334) internal successors, (1660), 12 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) [2021-03-25 15:22:54,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:54,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 330 [2021-03-25 15:22:54,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:55,869 INFO L129 PetriNetUnfolder]: 182/576 cut-off events. [2021-03-25 15:22:55,869 INFO L130 PetriNetUnfolder]: For 3587/3589 co-relation queries the response was YES. [2021-03-25 15:22:55,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3113 conditions, 576 events. 182/576 cut-off events. For 3587/3589 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3781 event pairs, 71 based on Foata normal form. 3/579 useless extension candidates. Maximal degree in co-relation 2768. Up to 309 conditions per place. [2021-03-25 15:22:55,873 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 115 selfloop transitions, 47 changer transitions 1/164 dead transitions. [2021-03-25 15:22:55,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 164 transitions, 2118 flow [2021-03-25 15:22:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:22:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:22:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1714 transitions. [2021-03-25 15:22:55,876 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43282828282828284 [2021-03-25 15:22:55,876 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1714 transitions. [2021-03-25 15:22:55,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1714 transitions. [2021-03-25 15:22:55,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:55,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1714 transitions. [2021-03-25 15:22:55,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.83333333333334) internal successors, (1714), 12 states have internal predecessors, (1714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:55,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 330.0) internal successors, (4290), 13 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:55,883 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 330.0) internal successors, (4290), 13 states have internal predecessors, (4290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:55,883 INFO L185 Difference]: Start difference. First operand has 108 places, 119 transitions, 1395 flow. Second operand 12 states and 1714 transitions. [2021-03-25 15:22:55,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 164 transitions, 2118 flow [2021-03-25 15:22:55,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 164 transitions, 2057 flow, removed 20 selfloop flow, removed 2 redundant places. [2021-03-25 15:22:55,899 INFO L241 Difference]: Finished difference. Result has 121 places, 132 transitions, 1656 flow [2021-03-25 15:22:55,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1351, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1656, PETRI_PLACES=121, PETRI_TRANSITIONS=132} [2021-03-25 15:22:55,899 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 55 predicate places. [2021-03-25 15:22:55,899 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:55,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 132 transitions, 1656 flow [2021-03-25 15:22:55,900 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 132 transitions, 1656 flow [2021-03-25 15:22:55,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 121 places, 132 transitions, 1656 flow [2021-03-25 15:22:55,939 INFO L129 PetriNetUnfolder]: 78/393 cut-off events. [2021-03-25 15:22:55,939 INFO L130 PetriNetUnfolder]: For 2619/2631 co-relation queries the response was YES. [2021-03-25 15:22:55,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 393 events. 78/393 cut-off events. For 2619/2631 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2810 event pairs, 5 based on Foata normal form. 4/394 useless extension candidates. Maximal degree in co-relation 1783. Up to 87 conditions per place. [2021-03-25 15:22:55,943 INFO L142 LiptonReduction]: Number of co-enabled transitions 110 [2021-03-25 15:22:55,947 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-25 15:22:55,947 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:55,947 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-25 15:22:55,948 INFO L480 AbstractCegarLoop]: Abstraction has has 121 places, 132 transitions, 1656 flow [2021-03-25 15:22:55,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 138.33333333333334) internal successors, (1660), 12 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) [2021-03-25 15:22:55,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:55,948 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:55,948 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 15:22:55,948 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]=== [2021-03-25 15:22:55,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:55,949 INFO L82 PathProgramCache]: Analyzing trace with hash -377595054, now seen corresponding path program 1 times [2021-03-25 15:22:55,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:55,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222152970] [2021-03-25 15:22:55,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:56,035 INFO L142 QuantifierPusher]: treesize reduction 20, result has 60.0 percent of original size [2021-03-25 15:22:56,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:22:56,047 INFO L142 QuantifierPusher]: treesize reduction 20, result has 64.3 percent of original size [2021-03-25 15:22:56,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:22:56,064 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-25 15:22:56,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:56,081 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-25 15:22:56,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:56,100 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-25 15:22:56,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:56,120 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-25 15:22:56,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 15:22:56,156 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.9 percent of original size [2021-03-25 15:22:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:56,183 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-03-25 15:22:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:22:56,194 INFO L142 QuantifierPusher]: treesize reduction 67, result has 29.5 percent of original size [2021-03-25 15:22:56,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:56,220 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-25 15:22:56,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:56,246 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:22:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:56,272 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:22:56,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:56,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222152970] [2021-03-25 15:22:56,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:56,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:22:56,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15448480] [2021-03-25 15:22:56,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:22:56,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:56,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:22:56,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:22:56,275 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 330 [2021-03-25 15:22:56,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 132 transitions, 1656 flow. Second operand has 12 states, 12 states have (on average 150.16666666666666) internal successors, (1802), 12 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:56,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:56,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 330 [2021-03-25 15:22:56,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:56,888 INFO L129 PetriNetUnfolder]: 144/515 cut-off events. [2021-03-25 15:22:56,888 INFO L130 PetriNetUnfolder]: For 3905/3909 co-relation queries the response was YES. [2021-03-25 15:22:56,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2903 conditions, 515 events. 144/515 cut-off events. For 3905/3909 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3526 event pairs, 47 based on Foata normal form. 1/515 useless extension candidates. Maximal degree in co-relation 2767. Up to 411 conditions per place. [2021-03-25 15:22:56,891 INFO L132 encePairwiseOnDemand]: 319/330 looper letters, 113 selfloop transitions, 16 changer transitions 12/145 dead transitions. [2021-03-25 15:22:56,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 145 transitions, 2032 flow [2021-03-25 15:22:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:22:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:22:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1541 transitions. [2021-03-25 15:22:56,896 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.466969696969697 [2021-03-25 15:22:56,896 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1541 transitions. [2021-03-25 15:22:56,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1541 transitions. [2021-03-25 15:22:56,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:56,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1541 transitions. [2021-03-25 15:22:56,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 154.1) internal successors, (1541), 10 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:56,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:56,900 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:56,900 INFO L185 Difference]: Start difference. First operand has 121 places, 132 transitions, 1656 flow. Second operand 10 states and 1541 transitions. [2021-03-25 15:22:56,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 145 transitions, 2032 flow [2021-03-25 15:22:56,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 145 transitions, 1944 flow, removed 19 selfloop flow, removed 5 redundant places. [2021-03-25 15:22:56,919 INFO L241 Difference]: Finished difference. Result has 128 places, 131 transitions, 1586 flow [2021-03-25 15:22:56,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1568, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1586, PETRI_PLACES=128, PETRI_TRANSITIONS=131} [2021-03-25 15:22:56,919 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 62 predicate places. [2021-03-25 15:22:56,920 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:56,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 131 transitions, 1586 flow [2021-03-25 15:22:56,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 131 transitions, 1586 flow [2021-03-25 15:22:56,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 131 transitions, 1586 flow [2021-03-25 15:22:56,959 INFO L129 PetriNetUnfolder]: 76/387 cut-off events. [2021-03-25 15:22:56,959 INFO L130 PetriNetUnfolder]: For 2374/2382 co-relation queries the response was YES. [2021-03-25 15:22:56,961 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1904 conditions, 387 events. 76/387 cut-off events. For 2374/2382 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2777 event pairs, 5 based on Foata normal form. 3/387 useless extension candidates. Maximal degree in co-relation 1851. Up to 85 conditions per place. [2021-03-25 15:22:56,963 INFO L142 LiptonReduction]: Number of co-enabled transitions 102 [2021-03-25 15:22:56,967 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 15:22:56,967 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:56,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-25 15:22:56,968 INFO L480 AbstractCegarLoop]: Abstraction has has 126 places, 131 transitions, 1586 flow [2021-03-25 15:22:56,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 150.16666666666666) internal successors, (1802), 12 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:56,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:56,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:56,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 15:22:56,969 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]=== [2021-03-25 15:22:56,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:56,969 INFO L82 PathProgramCache]: Analyzing trace with hash -840486212, now seen corresponding path program 2 times [2021-03-25 15:22:56,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:56,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605115262] [2021-03-25 15:22:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:57,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 15:22:57,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:57,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:57,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 15:22:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:57,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:57,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:22:57,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:57,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:22:57,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:22:57,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:22:57,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:57,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:57,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 15:22:57,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 15:22:57,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 15:22:57,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:57,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605115262] [2021-03-25 15:22:57,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:57,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:22:57,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620696310] [2021-03-25 15:22:57,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:22:57,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:57,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:22:57,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:22:57,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 330 [2021-03-25 15:22:57,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 131 transitions, 1586 flow. Second operand has 12 states, 12 states have (on average 138.33333333333334) internal successors, (1660), 12 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) [2021-03-25 15:22:57,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:57,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 330 [2021-03-25 15:22:57,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:58,359 INFO L129 PetriNetUnfolder]: 184/630 cut-off events. [2021-03-25 15:22:58,359 INFO L130 PetriNetUnfolder]: For 3913/3915 co-relation queries the response was YES. [2021-03-25 15:22:58,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3405 conditions, 630 events. 184/630 cut-off events. For 3913/3915 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4476 event pairs, 57 based on Foata normal form. 3/633 useless extension candidates. Maximal degree in co-relation 3350. Up to 174 conditions per place. [2021-03-25 15:22:58,362 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 126 selfloop transitions, 79 changer transitions 4/209 dead transitions. [2021-03-25 15:22:58,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 209 transitions, 2647 flow [2021-03-25 15:22:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-03-25 15:22:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-03-25 15:22:58,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2581 transitions. [2021-03-25 15:22:58,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4345117845117845 [2021-03-25 15:22:58,366 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 2581 transitions. [2021-03-25 15:22:58,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 2581 transitions. [2021-03-25 15:22:58,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:58,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 2581 transitions. [2021-03-25 15:22:58,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 143.38888888888889) internal successors, (2581), 18 states have internal predecessors, (2581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:58,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 330.0) internal successors, (6270), 19 states have internal predecessors, (6270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:58,373 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 330.0) internal successors, (6270), 19 states have internal predecessors, (6270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:58,373 INFO L185 Difference]: Start difference. First operand has 126 places, 131 transitions, 1586 flow. Second operand 18 states and 2581 transitions. [2021-03-25 15:22:58,373 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 209 transitions, 2647 flow [2021-03-25 15:22:58,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 209 transitions, 2584 flow, removed 2 selfloop flow, removed 10 redundant places. [2021-03-25 15:22:58,392 INFO L241 Difference]: Finished difference. Result has 138 places, 146 transitions, 1943 flow [2021-03-25 15:22:58,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=1943, PETRI_PLACES=138, PETRI_TRANSITIONS=146} [2021-03-25 15:22:58,393 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 72 predicate places. [2021-03-25 15:22:58,393 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:58,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 138 places, 146 transitions, 1943 flow [2021-03-25 15:22:58,393 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 138 places, 146 transitions, 1943 flow [2021-03-25 15:22:58,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 138 places, 146 transitions, 1943 flow [2021-03-25 15:22:58,436 INFO L129 PetriNetUnfolder]: 68/385 cut-off events. [2021-03-25 15:22:58,436 INFO L130 PetriNetUnfolder]: For 2936/2947 co-relation queries the response was YES. [2021-03-25 15:22:58,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1993 conditions, 385 events. 68/385 cut-off events. For 2936/2947 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2878 event pairs, 8 based on Foata normal form. 3/385 useless extension candidates. Maximal degree in co-relation 1916. Up to 78 conditions per place. [2021-03-25 15:22:58,440 INFO L142 LiptonReduction]: Number of co-enabled transitions 98 [2021-03-25 15:22:58,445 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 15:22:58,445 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:58,445 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-03-25 15:22:58,446 INFO L480 AbstractCegarLoop]: Abstraction has has 138 places, 146 transitions, 1943 flow [2021-03-25 15:22:58,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 138.33333333333334) internal successors, (1660), 12 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) [2021-03-25 15:22:58,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:58,446 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:58,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 15:22:58,446 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]=== [2021-03-25 15:22:58,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:58,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1090165726, now seen corresponding path program 1 times [2021-03-25 15:22:58,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:58,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598470197] [2021-03-25 15:22:58,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:58,525 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.5 percent of original size [2021-03-25 15:22:58,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 15:22:58,555 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.9 percent of original size [2021-03-25 15:22:58,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 15:22:58,594 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.0 percent of original size [2021-03-25 15:22:58,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 15:22:58,633 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:22:58,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:22:58,672 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:22:58,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:58,685 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:22:58,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:58,722 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:22:58,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:22:58,762 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:22:58,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:22:58,782 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:22:58,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:58,804 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-25 15:22:58,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:22:58,817 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-25 15:22:58,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:22:58,840 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:22:58,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:58,859 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:22:58,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:22:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:22:58,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598470197] [2021-03-25 15:22:58,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:22:58,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:22:58,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115393004] [2021-03-25 15:22:58,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:22:58,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:22:58,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:22:58,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:22:58,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 330 [2021-03-25 15:22:58,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 146 transitions, 1943 flow. Second operand has 12 states, 12 states have (on average 142.25) internal successors, (1707), 12 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:58,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:22:58,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 330 [2021-03-25 15:22:58,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:22:59,535 INFO L129 PetriNetUnfolder]: 131/509 cut-off events. [2021-03-25 15:22:59,535 INFO L130 PetriNetUnfolder]: For 4310/4310 co-relation queries the response was YES. [2021-03-25 15:22:59,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3022 conditions, 509 events. 131/509 cut-off events. For 4310/4310 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3518 event pairs, 56 based on Foata normal form. 4/512 useless extension candidates. Maximal degree in co-relation 2956. Up to 348 conditions per place. [2021-03-25 15:22:59,540 INFO L132 encePairwiseOnDemand]: 316/330 looper letters, 117 selfloop transitions, 33 changer transitions 7/159 dead transitions. [2021-03-25 15:22:59,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 159 transitions, 2363 flow [2021-03-25 15:22:59,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:22:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:22:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1461 transitions. [2021-03-25 15:22:59,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44272727272727275 [2021-03-25 15:22:59,544 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1461 transitions. [2021-03-25 15:22:59,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1461 transitions. [2021-03-25 15:22:59,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:22:59,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1461 transitions. [2021-03-25 15:22:59,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 146.1) internal successors, (1461), 10 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:59,548 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:59,548 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:59,548 INFO L185 Difference]: Start difference. First operand has 138 places, 146 transitions, 1943 flow. Second operand 10 states and 1461 transitions. [2021-03-25 15:22:59,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 159 transitions, 2363 flow [2021-03-25 15:22:59,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 159 transitions, 2079 flow, removed 26 selfloop flow, removed 11 redundant places. [2021-03-25 15:22:59,566 INFO L241 Difference]: Finished difference. Result has 137 places, 142 transitions, 1700 flow [2021-03-25 15:22:59,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1668, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1700, PETRI_PLACES=137, PETRI_TRANSITIONS=142} [2021-03-25 15:22:59,567 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 71 predicate places. [2021-03-25 15:22:59,567 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:22:59,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 142 transitions, 1700 flow [2021-03-25 15:22:59,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 142 transitions, 1700 flow [2021-03-25 15:22:59,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 135 places, 142 transitions, 1700 flow [2021-03-25 15:22:59,607 INFO L129 PetriNetUnfolder]: 62/376 cut-off events. [2021-03-25 15:22:59,607 INFO L130 PetriNetUnfolder]: For 2129/2133 co-relation queries the response was YES. [2021-03-25 15:22:59,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1824 conditions, 376 events. 62/376 cut-off events. For 2129/2133 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2794 event pairs, 8 based on Foata normal form. 4/377 useless extension candidates. Maximal degree in co-relation 1761. Up to 75 conditions per place. [2021-03-25 15:22:59,611 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 15:22:59,616 INFO L154 LiptonReduction]: Checked pairs total: 10 [2021-03-25 15:22:59,616 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:22:59,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 15:22:59,619 INFO L480 AbstractCegarLoop]: Abstraction has has 135 places, 142 transitions, 1700 flow [2021-03-25 15:22:59,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 142.25) internal successors, (1707), 12 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:22:59,619 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:22:59,619 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:22:59,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 15:22:59,620 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]=== [2021-03-25 15:22:59,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:22:59,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1239385752, now seen corresponding path program 2 times [2021-03-25 15:22:59,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:22:59,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480878180] [2021-03-25 15:22:59,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:22:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:22:59,722 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.3 percent of original size [2021-03-25 15:22:59,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 15:22:59,750 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.9 percent of original size [2021-03-25 15:22:59,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 15:22:59,788 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-25 15:22:59,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:22:59,828 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-25 15:22:59,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:22:59,865 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-25 15:22:59,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:59,884 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-25 15:22:59,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 15:22:59,917 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-03-25 15:22:59,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:22:59,929 INFO L142 QuantifierPusher]: treesize reduction 67, result has 30.2 percent of original size [2021-03-25 15:22:59,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:22:59,962 INFO L142 QuantifierPusher]: treesize reduction 67, result has 29.5 percent of original size [2021-03-25 15:22:59,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:22:59,995 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-03-25 15:22:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:00,026 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:00,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:00,046 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:00,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:00,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480878180] [2021-03-25 15:23:00,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:00,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:23:00,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968227652] [2021-03-25 15:23:00,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:23:00,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:00,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:23:00,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:23:00,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 330 [2021-03-25 15:23:00,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 142 transitions, 1700 flow. Second operand has 12 states, 12 states have (on average 150.16666666666666) internal successors, (1802), 12 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:00,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:00,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 330 [2021-03-25 15:23:00,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:00,573 INFO L129 PetriNetUnfolder]: 130/498 cut-off events. [2021-03-25 15:23:00,573 INFO L130 PetriNetUnfolder]: For 3211/3211 co-relation queries the response was YES. [2021-03-25 15:23:00,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2812 conditions, 498 events. 130/498 cut-off events. For 3211/3211 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3398 event pairs, 61 based on Foata normal form. 1/498 useless extension candidates. Maximal degree in co-relation 2750. Up to 428 conditions per place. [2021-03-25 15:23:00,576 INFO L132 encePairwiseOnDemand]: 319/330 looper letters, 125 selfloop transitions, 15 changer transitions 6/148 dead transitions. [2021-03-25 15:23:00,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 148 transitions, 2055 flow [2021-03-25 15:23:00,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1534 transitions. [2021-03-25 15:23:00,578 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46484848484848484 [2021-03-25 15:23:00,578 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1534 transitions. [2021-03-25 15:23:00,578 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1534 transitions. [2021-03-25 15:23:00,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:00,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1534 transitions. [2021-03-25 15:23:00,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 153.4) internal successors, (1534), 10 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:00,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:00,582 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:00,582 INFO L185 Difference]: Start difference. First operand has 135 places, 142 transitions, 1700 flow. Second operand 10 states and 1534 transitions. [2021-03-25 15:23:00,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 148 transitions, 2055 flow [2021-03-25 15:23:00,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 148 transitions, 1973 flow, removed 8 selfloop flow, removed 10 redundant places. [2021-03-25 15:23:00,597 INFO L241 Difference]: Finished difference. Result has 136 places, 141 transitions, 1634 flow [2021-03-25 15:23:00,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=1620, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1634, PETRI_PLACES=136, PETRI_TRANSITIONS=141} [2021-03-25 15:23:00,597 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 70 predicate places. [2021-03-25 15:23:00,597 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:00,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 141 transitions, 1634 flow [2021-03-25 15:23:00,598 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 141 transitions, 1634 flow [2021-03-25 15:23:00,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 133 places, 141 transitions, 1634 flow [2021-03-25 15:23:00,627 INFO L129 PetriNetUnfolder]: 61/374 cut-off events. [2021-03-25 15:23:00,627 INFO L130 PetriNetUnfolder]: For 1799/1803 co-relation queries the response was YES. [2021-03-25 15:23:00,628 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 374 events. 61/374 cut-off events. For 1799/1803 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2785 event pairs, 8 based on Foata normal form. 4/375 useless extension candidates. Maximal degree in co-relation 1693. Up to 75 conditions per place. [2021-03-25 15:23:00,629 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 15:23:00,674 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 15:23:00,674 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:00,674 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-25 15:23:00,675 INFO L480 AbstractCegarLoop]: Abstraction has has 132 places, 140 transitions, 1630 flow [2021-03-25 15:23:00,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 150.16666666666666) internal successors, (1802), 12 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:00,675 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:00,675 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:00,675 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 15:23:00,676 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]=== [2021-03-25 15:23:00,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:00,676 INFO L82 PathProgramCache]: Analyzing trace with hash -865948064, now seen corresponding path program 3 times [2021-03-25 15:23:00,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:00,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807032555] [2021-03-25 15:23:00,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:00,740 INFO L142 QuantifierPusher]: treesize reduction 23, result has 71.3 percent of original size [2021-03-25 15:23:00,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 15:23:00,767 INFO L142 QuantifierPusher]: treesize reduction 20, result has 75.9 percent of original size [2021-03-25 15:23:00,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 15:23:00,805 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-25 15:23:00,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:23:00,841 INFO L142 QuantifierPusher]: treesize reduction 20, result has 73.3 percent of original size [2021-03-25 15:23:00,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:23:00,877 INFO L142 QuantifierPusher]: treesize reduction 20, result has 59.2 percent of original size [2021-03-25 15:23:00,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:00,896 INFO L142 QuantifierPusher]: treesize reduction 37, result has 55.4 percent of original size [2021-03-25 15:23:00,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 15:23:00,929 INFO L142 QuantifierPusher]: treesize reduction 37, result has 49.3 percent of original size [2021-03-25 15:23:00,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:23:00,940 INFO L142 QuantifierPusher]: treesize reduction 67, result has 30.2 percent of original size [2021-03-25 15:23:00,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:00,972 INFO L142 QuantifierPusher]: treesize reduction 37, result has 42.2 percent of original size [2021-03-25 15:23:00,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:01,002 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-03-25 15:23:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:01,021 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:01,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:01,040 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:01,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:01,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807032555] [2021-03-25 15:23:01,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:01,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:23:01,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223856947] [2021-03-25 15:23:01,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:23:01,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:01,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:23:01,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:23:01,043 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 331 [2021-03-25 15:23:01,044 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 140 transitions, 1630 flow. Second operand has 12 states, 12 states have (on average 150.16666666666666) internal successors, (1802), 12 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:01,044 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:01,044 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 331 [2021-03-25 15:23:01,044 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:01,514 INFO L129 PetriNetUnfolder]: 130/489 cut-off events. [2021-03-25 15:23:01,515 INFO L130 PetriNetUnfolder]: For 2739/2739 co-relation queries the response was YES. [2021-03-25 15:23:01,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2671 conditions, 489 events. 130/489 cut-off events. For 2739/2739 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3285 event pairs, 60 based on Foata normal form. 1/489 useless extension candidates. Maximal degree in co-relation 2629. Up to 420 conditions per place. [2021-03-25 15:23:01,517 INFO L132 encePairwiseOnDemand]: 320/331 looper letters, 123 selfloop transitions, 11 changer transitions 9/145 dead transitions. [2021-03-25 15:23:01,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 145 transitions, 1959 flow [2021-03-25 15:23:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 15:23:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 15:23:01,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1383 transitions. [2021-03-25 15:23:01,519 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46424974823766363 [2021-03-25 15:23:01,519 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1383 transitions. [2021-03-25 15:23:01,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1383 transitions. [2021-03-25 15:23:01,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:01,520 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1383 transitions. [2021-03-25 15:23:01,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 153.66666666666666) internal successors, (1383), 9 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:01,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:01,523 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:01,523 INFO L185 Difference]: Start difference. First operand has 132 places, 140 transitions, 1630 flow. Second operand 9 states and 1383 transitions. [2021-03-25 15:23:01,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 145 transitions, 1959 flow [2021-03-25 15:23:01,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 145 transitions, 1925 flow, removed 5 selfloop flow, removed 7 redundant places. [2021-03-25 15:23:01,537 INFO L241 Difference]: Finished difference. Result has 134 places, 135 transitions, 1558 flow [2021-03-25 15:23:01,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1580, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1558, PETRI_PLACES=134, PETRI_TRANSITIONS=135} [2021-03-25 15:23:01,537 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 68 predicate places. [2021-03-25 15:23:01,537 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:01,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 135 transitions, 1558 flow [2021-03-25 15:23:01,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 135 transitions, 1558 flow [2021-03-25 15:23:01,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 135 transitions, 1558 flow [2021-03-25 15:23:01,573 INFO L129 PetriNetUnfolder]: 63/363 cut-off events. [2021-03-25 15:23:01,573 INFO L130 PetriNetUnfolder]: For 1716/1720 co-relation queries the response was YES. [2021-03-25 15:23:01,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1671 conditions, 363 events. 63/363 cut-off events. For 1716/1720 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2660 event pairs, 8 based on Foata normal form. 4/364 useless extension candidates. Maximal degree in co-relation 1604. Up to 74 conditions per place. [2021-03-25 15:23:01,575 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 15:23:01,578 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 15:23:01,578 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:01,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-25 15:23:01,579 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 135 transitions, 1558 flow [2021-03-25 15:23:01,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 150.16666666666666) internal successors, (1802), 12 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:01,579 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:01,579 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:01,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 15:23:01,579 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]=== [2021-03-25 15:23:01,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:01,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1340297357, now seen corresponding path program 1 times [2021-03-25 15:23:01,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:01,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188994033] [2021-03-25 15:23:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:01,654 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:01,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:01,674 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:01,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:01,702 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:01,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:01,727 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:01,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:01,751 INFO L142 QuantifierPusher]: treesize reduction 36, result has 57.6 percent of original size [2021-03-25 15:23:01,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 15:23:01,787 INFO L142 QuantifierPusher]: treesize reduction 36, result has 57.1 percent of original size [2021-03-25 15:23:01,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:23:01,834 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 15:23:01,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:01,851 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 15:23:01,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:01,869 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-25 15:23:01,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:01,896 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:01,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:01,914 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:01,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:01,930 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:01,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:01,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188994033] [2021-03-25 15:23:01,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:01,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:01,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985294990] [2021-03-25 15:23:01,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:01,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:01,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:01,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:01,932 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 331 [2021-03-25 15:23:01,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 135 transitions, 1558 flow. Second operand has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:01,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:01,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 331 [2021-03-25 15:23:01,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:02,515 INFO L129 PetriNetUnfolder]: 128/476 cut-off events. [2021-03-25 15:23:02,515 INFO L130 PetriNetUnfolder]: For 2571/2571 co-relation queries the response was YES. [2021-03-25 15:23:02,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2571 conditions, 476 events. 128/476 cut-off events. For 2571/2571 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3171 event pairs, 60 based on Foata normal form. 1/476 useless extension candidates. Maximal degree in co-relation 2511. Up to 412 conditions per place. [2021-03-25 15:23:02,518 INFO L132 encePairwiseOnDemand]: 320/331 looper letters, 118 selfloop transitions, 10 changer transitions 9/139 dead transitions. [2021-03-25 15:23:02,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 139 transitions, 1849 flow [2021-03-25 15:23:02,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1568 transitions. [2021-03-25 15:23:02,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.430650920076902 [2021-03-25 15:23:02,520 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1568 transitions. [2021-03-25 15:23:02,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1568 transitions. [2021-03-25 15:23:02,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:02,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1568 transitions. [2021-03-25 15:23:02,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 142.54545454545453) internal successors, (1568), 11 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:02,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 331.0) internal successors, (3972), 12 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:02,525 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 331.0) internal successors, (3972), 12 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:02,525 INFO L185 Difference]: Start difference. First operand has 127 places, 135 transitions, 1558 flow. Second operand 11 states and 1568 transitions. [2021-03-25 15:23:02,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 139 transitions, 1849 flow [2021-03-25 15:23:02,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 139 transitions, 1805 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 15:23:02,537 INFO L241 Difference]: Finished difference. Result has 130 places, 129 transitions, 1464 flow [2021-03-25 15:23:02,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1502, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1464, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2021-03-25 15:23:02,537 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 64 predicate places. [2021-03-25 15:23:02,538 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:02,538 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 129 transitions, 1464 flow [2021-03-25 15:23:02,538 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 129 transitions, 1464 flow [2021-03-25 15:23:02,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 120 places, 129 transitions, 1464 flow [2021-03-25 15:23:02,567 INFO L129 PetriNetUnfolder]: 62/352 cut-off events. [2021-03-25 15:23:02,567 INFO L130 PetriNetUnfolder]: For 1621/1625 co-relation queries the response was YES. [2021-03-25 15:23:02,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 352 events. 62/352 cut-off events. For 1621/1625 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2530 event pairs, 8 based on Foata normal form. 4/353 useless extension candidates. Maximal degree in co-relation 1541. Up to 74 conditions per place. [2021-03-25 15:23:02,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 15:23:02,575 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 15:23:02,575 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:02,575 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-03-25 15:23:02,575 INFO L480 AbstractCegarLoop]: Abstraction has has 120 places, 129 transitions, 1464 flow [2021-03-25 15:23:02,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 140.07692307692307) internal successors, (1821), 13 states have internal predecessors, (1821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:02,575 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:02,576 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:02,576 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 15:23:02,576 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]=== [2021-03-25 15:23:02,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:02,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1568401890, now seen corresponding path program 1 times [2021-03-25 15:23:02,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:02,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199104331] [2021-03-25 15:23:02,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:02,642 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:23:02,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:02,654 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.9 percent of original size [2021-03-25 15:23:02,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:23:02,671 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-25 15:23:02,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:02,688 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 15:23:02,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:02,709 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-25 15:23:02,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:02,717 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-03-25 15:23:02,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:02,737 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-03-25 15:23:02,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:02,760 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size [2021-03-25 15:23:02,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:02,802 INFO L142 QuantifierPusher]: treesize reduction 32, result has 56.8 percent of original size [2021-03-25 15:23:02,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:02,850 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-03-25 15:23:02,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:02,882 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-25 15:23:02,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:02,884 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-03-25 15:23:02,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:02,922 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 15:23:02,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:02,958 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:02,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:02,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199104331] [2021-03-25 15:23:02,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:02,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:02,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099743231] [2021-03-25 15:23:02,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:02,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:02,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:02,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:02,979 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 331 [2021-03-25 15:23:02,980 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 129 transitions, 1464 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:02,980 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:02,980 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 331 [2021-03-25 15:23:02,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:03,669 INFO L129 PetriNetUnfolder]: 138/523 cut-off events. [2021-03-25 15:23:03,669 INFO L130 PetriNetUnfolder]: For 2716/2716 co-relation queries the response was YES. [2021-03-25 15:23:03,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 523 events. 138/523 cut-off events. For 2716/2716 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 3684 event pairs, 58 based on Foata normal form. 6/528 useless extension candidates. Maximal degree in co-relation 2705. Up to 385 conditions per place. [2021-03-25 15:23:03,673 INFO L132 encePairwiseOnDemand]: 318/331 looper letters, 113 selfloop transitions, 16 changer transitions 27/158 dead transitions. [2021-03-25 15:23:03,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 158 transitions, 2076 flow [2021-03-25 15:23:03,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:03,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:03,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1715 transitions. [2021-03-25 15:23:03,677 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43177240684793555 [2021-03-25 15:23:03,677 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1715 transitions. [2021-03-25 15:23:03,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1715 transitions. [2021-03-25 15:23:03,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:03,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1715 transitions. [2021-03-25 15:23:03,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.91666666666666) internal successors, (1715), 12 states have internal predecessors, (1715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:03,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:03,682 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:03,682 INFO L185 Difference]: Start difference. First operand has 120 places, 129 transitions, 1464 flow. Second operand 12 states and 1715 transitions. [2021-03-25 15:23:03,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 158 transitions, 2076 flow [2021-03-25 15:23:03,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 158 transitions, 2019 flow, removed 2 selfloop flow, removed 7 redundant places. [2021-03-25 15:23:03,696 INFO L241 Difference]: Finished difference. Result has 129 places, 127 transitions, 1470 flow [2021-03-25 15:23:03,696 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1414, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1470, PETRI_PLACES=129, PETRI_TRANSITIONS=127} [2021-03-25 15:23:03,696 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 63 predicate places. [2021-03-25 15:23:03,696 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:03,696 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 127 transitions, 1470 flow [2021-03-25 15:23:03,697 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 127 transitions, 1470 flow [2021-03-25 15:23:03,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 127 transitions, 1470 flow [2021-03-25 15:23:03,731 INFO L129 PetriNetUnfolder]: 58/343 cut-off events. [2021-03-25 15:23:03,731 INFO L130 PetriNetUnfolder]: For 1674/1678 co-relation queries the response was YES. [2021-03-25 15:23:03,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 343 events. 58/343 cut-off events. For 1674/1678 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2481 event pairs, 8 based on Foata normal form. 4/344 useless extension candidates. Maximal degree in co-relation 1520. Up to 74 conditions per place. [2021-03-25 15:23:03,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 92 [2021-03-25 15:23:03,738 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 15:23:03,739 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:03,739 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-25 15:23:03,739 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 127 transitions, 1470 flow [2021-03-25 15:23:03,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:03,740 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:03,740 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:03,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 15:23:03,740 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]=== [2021-03-25 15:23:03,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:03,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1550604642, now seen corresponding path program 2 times [2021-03-25 15:23:03,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:03,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472303537] [2021-03-25 15:23:03,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:03,808 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:23:03,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:03,819 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.9 percent of original size [2021-03-25 15:23:03,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:23:03,836 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-25 15:23:03,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:03,852 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 15:23:03,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:03,869 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-25 15:23:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:03,877 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-03-25 15:23:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:03,897 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-25 15:23:03,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:03,913 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-03-25 15:23:03,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 15:23:03,930 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-03-25 15:23:03,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 15:23:03,955 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-03-25 15:23:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:03,986 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-25 15:23:03,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:03,988 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-03-25 15:23:03,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:04,027 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 15:23:04,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:04,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:04,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:04,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472303537] [2021-03-25 15:23:04,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:04,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:04,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403473607] [2021-03-25 15:23:04,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:04,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:04,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:04,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:04,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 331 [2021-03-25 15:23:04,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 127 transitions, 1470 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:04,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:04,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 331 [2021-03-25 15:23:04,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:04,804 INFO L129 PetriNetUnfolder]: 169/603 cut-off events. [2021-03-25 15:23:04,805 INFO L130 PetriNetUnfolder]: For 3456/3456 co-relation queries the response was YES. [2021-03-25 15:23:04,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3261 conditions, 603 events. 169/603 cut-off events. For 3456/3456 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 4392 event pairs, 40 based on Foata normal form. 8/610 useless extension candidates. Maximal degree in co-relation 3192. Up to 263 conditions per place. [2021-03-25 15:23:04,809 INFO L132 encePairwiseOnDemand]: 316/331 looper letters, 111 selfloop transitions, 47 changer transitions 32/192 dead transitions. [2021-03-25 15:23:04,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 192 transitions, 2502 flow [2021-03-25 15:23:04,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1729 transitions. [2021-03-25 15:23:04,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4352970795568983 [2021-03-25 15:23:04,815 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1729 transitions. [2021-03-25 15:23:04,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1729 transitions. [2021-03-25 15:23:04,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:04,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1729 transitions. [2021-03-25 15:23:04,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.08333333333334) internal successors, (1729), 12 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:04,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:04,819 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:04,819 INFO L185 Difference]: Start difference. First operand has 123 places, 127 transitions, 1470 flow. Second operand 12 states and 1729 transitions. [2021-03-25 15:23:04,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 192 transitions, 2502 flow [2021-03-25 15:23:04,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 192 transitions, 2404 flow, removed 35 selfloop flow, removed 9 redundant places. [2021-03-25 15:23:04,836 INFO L241 Difference]: Finished difference. Result has 131 places, 137 transitions, 1713 flow [2021-03-25 15:23:04,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1387, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1713, PETRI_PLACES=131, PETRI_TRANSITIONS=137} [2021-03-25 15:23:04,836 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 65 predicate places. [2021-03-25 15:23:04,836 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:04,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 137 transitions, 1713 flow [2021-03-25 15:23:04,837 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 137 transitions, 1713 flow [2021-03-25 15:23:04,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 137 transitions, 1713 flow [2021-03-25 15:23:04,877 INFO L129 PetriNetUnfolder]: 76/386 cut-off events. [2021-03-25 15:23:04,878 INFO L130 PetriNetUnfolder]: For 2326/2330 co-relation queries the response was YES. [2021-03-25 15:23:04,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1952 conditions, 386 events. 76/386 cut-off events. For 2326/2330 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2812 event pairs, 11 based on Foata normal form. 4/385 useless extension candidates. Maximal degree in co-relation 1904. Up to 92 conditions per place. [2021-03-25 15:23:04,882 INFO L142 LiptonReduction]: Number of co-enabled transitions 94 [2021-03-25 15:23:04,886 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 15:23:04,886 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:04,886 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-03-25 15:23:04,887 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 137 transitions, 1713 flow [2021-03-25 15:23:04,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:04,887 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:04,887 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:04,887 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 15:23:04,887 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]=== [2021-03-25 15:23:04,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:04,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1439676928, now seen corresponding path program 1 times [2021-03-25 15:23:04,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:04,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438628777] [2021-03-25 15:23:04,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:04,964 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:04,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:04,989 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:04,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:05,019 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:05,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:05,050 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:05,083 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:05,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:05,110 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:23:05,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:05,124 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:05,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:05,152 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:05,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:05,167 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:05,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:05,192 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-25 15:23:05,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:05,202 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:05,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:05,219 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:23:05,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:05,235 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:05,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:05,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438628777] [2021-03-25 15:23:05,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:05,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:05,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641508740] [2021-03-25 15:23:05,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:05,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:05,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:05,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:05,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 331 [2021-03-25 15:23:05,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 137 transitions, 1713 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:05,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:05,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 331 [2021-03-25 15:23:05,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:05,808 INFO L129 PetriNetUnfolder]: 138/526 cut-off events. [2021-03-25 15:23:05,809 INFO L130 PetriNetUnfolder]: For 3601/3601 co-relation queries the response was YES. [2021-03-25 15:23:05,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2985 conditions, 526 events. 138/526 cut-off events. For 3601/3601 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3661 event pairs, 65 based on Foata normal form. 9/534 useless extension candidates. Maximal degree in co-relation 2935. Up to 350 conditions per place. [2021-03-25 15:23:05,812 INFO L132 encePairwiseOnDemand]: 319/331 looper letters, 101 selfloop transitions, 13 changer transitions 35/151 dead transitions. [2021-03-25 15:23:05,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 151 transitions, 2115 flow [2021-03-25 15:23:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:05,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1583 transitions. [2021-03-25 15:23:05,814 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43477066739906617 [2021-03-25 15:23:05,815 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1583 transitions. [2021-03-25 15:23:05,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1583 transitions. [2021-03-25 15:23:05,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:05,815 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1583 transitions. [2021-03-25 15:23:05,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.9090909090909) internal successors, (1583), 11 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:05,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 331.0) internal successors, (3972), 12 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:05,819 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 331.0) internal successors, (3972), 12 states have internal predecessors, (3972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:05,819 INFO L185 Difference]: Start difference. First operand has 127 places, 137 transitions, 1713 flow. Second operand 11 states and 1583 transitions. [2021-03-25 15:23:05,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 151 transitions, 2115 flow [2021-03-25 15:23:05,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 151 transitions, 1994 flow, removed 43 selfloop flow, removed 10 redundant places. [2021-03-25 15:23:05,835 INFO L241 Difference]: Finished difference. Result has 129 places, 114 transitions, 1334 flow [2021-03-25 15:23:05,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1594, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1334, PETRI_PLACES=129, PETRI_TRANSITIONS=114} [2021-03-25 15:23:05,835 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 63 predicate places. [2021-03-25 15:23:05,835 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:05,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 129 places, 114 transitions, 1334 flow [2021-03-25 15:23:05,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 129 places, 114 transitions, 1334 flow [2021-03-25 15:23:05,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 118 places, 114 transitions, 1334 flow [2021-03-25 15:23:05,861 INFO L129 PetriNetUnfolder]: 60/321 cut-off events. [2021-03-25 15:23:05,861 INFO L130 PetriNetUnfolder]: For 1662/1663 co-relation queries the response was YES. [2021-03-25 15:23:05,862 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 321 events. 60/321 cut-off events. For 1662/1663 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2223 event pairs, 11 based on Foata normal form. 1/317 useless extension candidates. Maximal degree in co-relation 1441. Up to 73 conditions per place. [2021-03-25 15:23:05,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-25 15:23:05,880 INFO L154 LiptonReduction]: Checked pairs total: 110 [2021-03-25 15:23:05,880 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:05,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-25 15:23:05,880 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 114 transitions, 1334 flow [2021-03-25 15:23:05,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:05,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:05,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:05,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 15:23:05,881 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]=== [2021-03-25 15:23:05,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:05,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1609698838, now seen corresponding path program 3 times [2021-03-25 15:23:05,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:05,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504007072] [2021-03-25 15:23:05,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:05,953 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:23:05,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:05,964 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.9 percent of original size [2021-03-25 15:23:05,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:23:05,981 INFO L142 QuantifierPusher]: treesize reduction 17, result has 62.2 percent of original size [2021-03-25 15:23:05,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:05,998 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 15:23:05,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:06,017 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-25 15:23:06,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:06,025 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-03-25 15:23:06,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:06,046 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-03-25 15:23:06,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:06,069 INFO L142 QuantifierPusher]: treesize reduction 32, result has 48.4 percent of original size [2021-03-25 15:23:06,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:06,094 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-03-25 15:23:06,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 15:23:06,114 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-03-25 15:23:06,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:06,145 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-25 15:23:06,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:06,146 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-03-25 15:23:06,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:06,184 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 15:23:06,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:06,222 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:06,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:06,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504007072] [2021-03-25 15:23:06,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:06,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:06,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135116698] [2021-03-25 15:23:06,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:06,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:06,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:06,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:06,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 331 [2021-03-25 15:23:06,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 114 transitions, 1334 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:06,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:06,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 331 [2021-03-25 15:23:06,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:06,922 INFO L129 PetriNetUnfolder]: 136/485 cut-off events. [2021-03-25 15:23:06,922 INFO L130 PetriNetUnfolder]: For 2952/2952 co-relation queries the response was YES. [2021-03-25 15:23:06,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 485 events. 136/485 cut-off events. For 2952/2952 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3273 event pairs, 50 based on Foata normal form. 6/490 useless extension candidates. Maximal degree in co-relation 2604. Up to 295 conditions per place. [2021-03-25 15:23:06,925 INFO L132 encePairwiseOnDemand]: 319/331 looper letters, 104 selfloop transitions, 25 changer transitions 24/155 dead transitions. [2021-03-25 15:23:06,925 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 155 transitions, 2065 flow [2021-03-25 15:23:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:06,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1719 transitions. [2021-03-25 15:23:06,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43277945619335345 [2021-03-25 15:23:06,927 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1719 transitions. [2021-03-25 15:23:06,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1719 transitions. [2021-03-25 15:23:06,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:06,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1719 transitions. [2021-03-25 15:23:06,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.25) internal successors, (1719), 12 states have internal predecessors, (1719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:06,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:06,931 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:06,931 INFO L185 Difference]: Start difference. First operand has 118 places, 114 transitions, 1334 flow. Second operand 12 states and 1719 transitions. [2021-03-25 15:23:06,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 155 transitions, 2065 flow [2021-03-25 15:23:06,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 155 transitions, 1878 flow, removed 59 selfloop flow, removed 18 redundant places. [2021-03-25 15:23:06,944 INFO L241 Difference]: Finished difference. Result has 116 places, 116 transitions, 1340 flow [2021-03-25 15:23:06,944 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1340, PETRI_PLACES=116, PETRI_TRANSITIONS=116} [2021-03-25 15:23:06,944 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 50 predicate places. [2021-03-25 15:23:06,944 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:06,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 116 transitions, 1340 flow [2021-03-25 15:23:06,944 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 116 transitions, 1340 flow [2021-03-25 15:23:06,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 116 transitions, 1340 flow [2021-03-25 15:23:06,978 INFO L129 PetriNetUnfolder]: 67/325 cut-off events. [2021-03-25 15:23:06,978 INFO L130 PetriNetUnfolder]: For 1550/1551 co-relation queries the response was YES. [2021-03-25 15:23:06,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1528 conditions, 325 events. 67/325 cut-off events. For 1550/1551 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2158 event pairs, 12 based on Foata normal form. 1/320 useless extension candidates. Maximal degree in co-relation 1477. Up to 76 conditions per place. [2021-03-25 15:23:06,981 INFO L142 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-25 15:23:06,987 INFO L154 LiptonReduction]: Checked pairs total: 152 [2021-03-25 15:23:06,987 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:06,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-25 15:23:06,987 INFO L480 AbstractCegarLoop]: Abstraction has has 111 places, 116 transitions, 1340 flow [2021-03-25 15:23:06,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:06,988 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:06,988 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:06,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-25 15:23:06,988 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]=== [2021-03-25 15:23:06,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:06,988 INFO L82 PathProgramCache]: Analyzing trace with hash 516563124, now seen corresponding path program 4 times [2021-03-25 15:23:06,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:06,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114823805] [2021-03-25 15:23:06,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:07,072 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:23:07,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:07,084 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-25 15:23:07,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:23:07,099 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-25 15:23:07,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:07,113 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-25 15:23:07,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:07,127 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size [2021-03-25 15:23:07,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:07,144 INFO L142 QuantifierPusher]: treesize reduction 30, result has 60.5 percent of original size [2021-03-25 15:23:07,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 15:23:07,186 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-25 15:23:07,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:07,196 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 15:23:07,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:07,225 INFO L142 QuantifierPusher]: treesize reduction 30, result has 58.3 percent of original size [2021-03-25 15:23:07,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:07,258 INFO L142 QuantifierPusher]: treesize reduction 20, result has 55.6 percent of original size [2021-03-25 15:23:07,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:07,282 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-25 15:23:07,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:07,283 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-03-25 15:23:07,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:07,328 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 15:23:07,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:07,367 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:07,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:07,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114823805] [2021-03-25 15:23:07,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:07,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:07,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592342304] [2021-03-25 15:23:07,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:07,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:07,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:07,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:07,391 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 331 [2021-03-25 15:23:07,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 116 transitions, 1340 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:07,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:07,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 331 [2021-03-25 15:23:07,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:08,050 INFO L129 PetriNetUnfolder]: 126/454 cut-off events. [2021-03-25 15:23:08,050 INFO L130 PetriNetUnfolder]: For 2638/2638 co-relation queries the response was YES. [2021-03-25 15:23:08,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2498 conditions, 454 events. 126/454 cut-off events. For 2638/2638 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2981 event pairs, 60 based on Foata normal form. 4/457 useless extension candidates. Maximal degree in co-relation 2442. Up to 358 conditions per place. [2021-03-25 15:23:08,052 INFO L132 encePairwiseOnDemand]: 318/331 looper letters, 103 selfloop transitions, 11 changer transitions 23/139 dead transitions. [2021-03-25 15:23:08,052 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 139 transitions, 1841 flow [2021-03-25 15:23:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:08,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:08,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1713 transitions. [2021-03-25 15:23:08,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4312688821752266 [2021-03-25 15:23:08,055 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1713 transitions. [2021-03-25 15:23:08,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1713 transitions. [2021-03-25 15:23:08,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:08,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1713 transitions. [2021-03-25 15:23:08,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.75) internal successors, (1713), 12 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:08,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:08,058 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:08,058 INFO L185 Difference]: Start difference. First operand has 111 places, 116 transitions, 1340 flow. Second operand 12 states and 1713 transitions. [2021-03-25 15:23:08,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 139 transitions, 1841 flow [2021-03-25 15:23:08,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 139 transitions, 1740 flow, removed 29 selfloop flow, removed 9 redundant places. [2021-03-25 15:23:08,066 INFO L241 Difference]: Finished difference. Result has 119 places, 115 transitions, 1305 flow [2021-03-25 15:23:08,067 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1305, PETRI_PLACES=119, PETRI_TRANSITIONS=115} [2021-03-25 15:23:08,067 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 53 predicate places. [2021-03-25 15:23:08,067 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:08,067 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 115 transitions, 1305 flow [2021-03-25 15:23:08,067 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 115 transitions, 1305 flow [2021-03-25 15:23:08,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 114 places, 115 transitions, 1305 flow [2021-03-25 15:23:08,095 INFO L129 PetriNetUnfolder]: 65/312 cut-off events. [2021-03-25 15:23:08,095 INFO L130 PetriNetUnfolder]: For 1535/1539 co-relation queries the response was YES. [2021-03-25 15:23:08,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1453 conditions, 312 events. 65/312 cut-off events. For 1535/1539 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2092 event pairs, 13 based on Foata normal form. 3/309 useless extension candidates. Maximal degree in co-relation 1399. Up to 76 conditions per place. [2021-03-25 15:23:08,098 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 15:23:08,102 INFO L154 LiptonReduction]: Checked pairs total: 116 [2021-03-25 15:23:08,102 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:08,102 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35 [2021-03-25 15:23:08,103 INFO L480 AbstractCegarLoop]: Abstraction has has 114 places, 115 transitions, 1305 flow [2021-03-25 15:23:08,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:08,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:08,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:08,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-25 15:23:08,103 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]=== [2021-03-25 15:23:08,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:08,104 INFO L82 PathProgramCache]: Analyzing trace with hash -2070592802, now seen corresponding path program 5 times [2021-03-25 15:23:08,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:08,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103819454] [2021-03-25 15:23:08,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:08,172 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:23:08,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:08,183 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-25 15:23:08,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 15:23:08,200 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-25 15:23:08,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:08,215 INFO L142 QuantifierPusher]: treesize reduction 15, result has 65.1 percent of original size [2021-03-25 15:23:08,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:08,231 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size [2021-03-25 15:23:08,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:08,249 INFO L142 QuantifierPusher]: treesize reduction 30, result has 50.0 percent of original size [2021-03-25 15:23:08,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:08,262 INFO L142 QuantifierPusher]: treesize reduction 32, result has 42.9 percent of original size [2021-03-25 15:23:08,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:08,281 INFO L142 QuantifierPusher]: treesize reduction 32, result has 52.2 percent of original size [2021-03-25 15:23:08,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:08,320 INFO L142 QuantifierPusher]: treesize reduction 30, result has 58.3 percent of original size [2021-03-25 15:23:08,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:08,365 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-03-25 15:23:08,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:08,397 INFO L142 QuantifierPusher]: treesize reduction 14, result has 64.1 percent of original size [2021-03-25 15:23:08,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 15:23:08,398 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.7 percent of original size [2021-03-25 15:23:08,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:08,429 INFO L142 QuantifierPusher]: treesize reduction 31, result has 50.8 percent of original size [2021-03-25 15:23:08,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:08,457 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:08,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:08,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:08,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103819454] [2021-03-25 15:23:08,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:08,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:08,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376074193] [2021-03-25 15:23:08,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:08,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:08,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:08,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:08,475 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 331 [2021-03-25 15:23:08,476 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 115 transitions, 1305 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:08,476 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:08,476 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 331 [2021-03-25 15:23:08,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:09,093 INFO L129 PetriNetUnfolder]: 121/439 cut-off events. [2021-03-25 15:23:09,094 INFO L130 PetriNetUnfolder]: For 2500/2500 co-relation queries the response was YES. [2021-03-25 15:23:09,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2372 conditions, 439 events. 121/439 cut-off events. For 2500/2500 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2888 event pairs, 60 based on Foata normal form. 4/442 useless extension candidates. Maximal degree in co-relation 2313. Up to 357 conditions per place. [2021-03-25 15:23:09,096 INFO L132 encePairwiseOnDemand]: 318/331 looper letters, 102 selfloop transitions, 10 changer transitions 18/132 dead transitions. [2021-03-25 15:23:09,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 132 transitions, 1735 flow [2021-03-25 15:23:09,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:09,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:09,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1711 transitions. [2021-03-25 15:23:09,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4307653575025176 [2021-03-25 15:23:09,098 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1711 transitions. [2021-03-25 15:23:09,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1711 transitions. [2021-03-25 15:23:09,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:09,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1711 transitions. [2021-03-25 15:23:09,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.58333333333334) internal successors, (1711), 12 states have internal predecessors, (1711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:09,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:09,101 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 331.0) internal successors, (4303), 13 states have internal predecessors, (4303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:09,101 INFO L185 Difference]: Start difference. First operand has 114 places, 115 transitions, 1305 flow. Second operand 12 states and 1711 transitions. [2021-03-25 15:23:09,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 132 transitions, 1735 flow [2021-03-25 15:23:09,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 132 transitions, 1666 flow, removed 28 selfloop flow, removed 9 redundant places. [2021-03-25 15:23:09,109 INFO L241 Difference]: Finished difference. Result has 121 places, 114 transitions, 1282 flow [2021-03-25 15:23:09,109 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=1256, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1282, PETRI_PLACES=121, PETRI_TRANSITIONS=114} [2021-03-25 15:23:09,109 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 55 predicate places. [2021-03-25 15:23:09,109 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:09,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 114 transitions, 1282 flow [2021-03-25 15:23:09,109 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 121 places, 114 transitions, 1282 flow [2021-03-25 15:23:09,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 114 transitions, 1282 flow [2021-03-25 15:23:09,131 INFO L129 PetriNetUnfolder]: 64/310 cut-off events. [2021-03-25 15:23:09,132 INFO L130 PetriNetUnfolder]: For 1460/1463 co-relation queries the response was YES. [2021-03-25 15:23:09,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 310 events. 64/310 cut-off events. For 1460/1463 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2050 event pairs, 13 based on Foata normal form. 3/307 useless extension candidates. Maximal degree in co-relation 1378. Up to 77 conditions per place. [2021-03-25 15:23:09,134 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 15:23:09,272 INFO L154 LiptonReduction]: Checked pairs total: 216 [2021-03-25 15:23:09,272 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:09,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-03-25 15:23:09,272 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 114 transitions, 1285 flow [2021-03-25 15:23:09,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:09,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:09,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:09,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 15:23:09,273 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]=== [2021-03-25 15:23:09,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:09,273 INFO L82 PathProgramCache]: Analyzing trace with hash -875708982, now seen corresponding path program 1 times [2021-03-25 15:23:09,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:09,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066335419] [2021-03-25 15:23:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:09,338 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-03-25 15:23:09,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:09,360 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-03-25 15:23:09,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:09,394 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-25 15:23:09,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:09,426 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-25 15:23:09,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:09,458 INFO L142 QuantifierPusher]: treesize reduction 19, result has 62.7 percent of original size [2021-03-25 15:23:09,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:09,491 INFO L142 QuantifierPusher]: treesize reduction 36, result has 60.0 percent of original size [2021-03-25 15:23:09,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 15:23:09,544 INFO L142 QuantifierPusher]: treesize reduction 36, result has 57.1 percent of original size [2021-03-25 15:23:09,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 15:23:09,590 INFO L142 QuantifierPusher]: treesize reduction 36, result has 63.6 percent of original size [2021-03-25 15:23:09,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 15:23:09,632 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-25 15:23:09,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:09,651 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-25 15:23:09,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 15:23:09,672 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-25 15:23:09,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:09,684 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-25 15:23:09,685 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-25 15:23:09,714 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:09,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:09,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066335419] [2021-03-25 15:23:09,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:09,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:09,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640213077] [2021-03-25 15:23:09,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:09,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:09,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:09,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:09,736 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 332 [2021-03-25 15:23:09,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 114 transitions, 1285 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:09,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:09,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 332 [2021-03-25 15:23:09,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:10,296 INFO L129 PetriNetUnfolder]: 114/403 cut-off events. [2021-03-25 15:23:10,296 INFO L130 PetriNetUnfolder]: For 2213/2213 co-relation queries the response was YES. [2021-03-25 15:23:10,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 403 events. 114/403 cut-off events. For 2213/2213 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2520 event pairs, 55 based on Foata normal form. 2/405 useless extension candidates. Maximal degree in co-relation 2123. Up to 326 conditions per place. [2021-03-25 15:23:10,298 INFO L132 encePairwiseOnDemand]: 321/332 looper letters, 93 selfloop transitions, 6 changer transitions 19/120 dead transitions. [2021-03-25 15:23:10,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 120 transitions, 1564 flow [2021-03-25 15:23:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1568 transitions. [2021-03-25 15:23:10,300 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4293537787513691 [2021-03-25 15:23:10,300 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1568 transitions. [2021-03-25 15:23:10,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1568 transitions. [2021-03-25 15:23:10,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:10,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1568 transitions. [2021-03-25 15:23:10,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 142.54545454545453) internal successors, (1568), 11 states have internal predecessors, (1568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:10,303 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 332.0) internal successors, (3984), 12 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:10,304 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 332.0) internal successors, (3984), 12 states have internal predecessors, (3984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:10,304 INFO L185 Difference]: Start difference. First operand has 115 places, 114 transitions, 1285 flow. Second operand 11 states and 1568 transitions. [2021-03-25 15:23:10,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 120 transitions, 1564 flow [2021-03-25 15:23:10,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 120 transitions, 1516 flow, removed 15 selfloop flow, removed 10 redundant places. [2021-03-25 15:23:10,312 INFO L241 Difference]: Finished difference. Result has 116 places, 101 transitions, 1115 flow [2021-03-25 15:23:10,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=332, PETRI_DIFFERENCE_MINUEND_FLOW=1218, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1115, PETRI_PLACES=116, PETRI_TRANSITIONS=101} [2021-03-25 15:23:10,312 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 50 predicate places. [2021-03-25 15:23:10,312 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:10,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 101 transitions, 1115 flow [2021-03-25 15:23:10,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 101 transitions, 1115 flow [2021-03-25 15:23:10,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 101 transitions, 1115 flow [2021-03-25 15:23:10,333 INFO L129 PetriNetUnfolder]: 60/280 cut-off events. [2021-03-25 15:23:10,333 INFO L130 PetriNetUnfolder]: For 1266/1270 co-relation queries the response was YES. [2021-03-25 15:23:10,334 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 280 events. 60/280 cut-off events. For 1266/1270 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1786 event pairs, 13 based on Foata normal form. 3/277 useless extension candidates. Maximal degree in co-relation 1241. Up to 73 conditions per place. [2021-03-25 15:23:10,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 62 [2021-03-25 15:23:10,504 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 15:23:10,504 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:10,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 192 [2021-03-25 15:23:10,505 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 100 transitions, 1115 flow [2021-03-25 15:23:10,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:10,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:10,505 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:10,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-25 15:23:10,505 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]=== [2021-03-25 15:23:10,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:10,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1759669258, now seen corresponding path program 6 times [2021-03-25 15:23:10,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:10,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570710579] [2021-03-25 15:23:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:10,581 INFO L142 QuantifierPusher]: treesize reduction 18, result has 62.5 percent of original size [2021-03-25 15:23:10,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:10,592 INFO L142 QuantifierPusher]: treesize reduction 15, result has 72.2 percent of original size [2021-03-25 15:23:10,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:10,625 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 15:23:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:10,655 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 15:23:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 15:23:10,688 INFO L142 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size [2021-03-25 15:23:10,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:10,724 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-03-25 15:23:10,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:10,737 INFO L142 QuantifierPusher]: treesize reduction 32, result has 45.8 percent of original size [2021-03-25 15:23:10,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 15:23:10,770 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-03-25 15:23:10,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:10,805 INFO L142 QuantifierPusher]: treesize reduction 30, result has 49.2 percent of original size [2021-03-25 15:23:10,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:10,829 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:23:10,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:23:10,851 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-03-25 15:23:10,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 15:23:10,852 INFO L142 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-03-25 15:23:10,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 15:23:10,890 INFO L142 QuantifierPusher]: treesize reduction 29, result has 52.5 percent of original size [2021-03-25 15:23:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 15:23:10,928 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:10,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:10,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570710579] [2021-03-25 15:23:10,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:10,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:10,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985931899] [2021-03-25 15:23:10,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:10,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:10,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:10,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:10,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 334 [2021-03-25 15:23:10,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 100 transitions, 1115 flow. Second operand has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:10,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:10,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 334 [2021-03-25 15:23:10,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:11,561 INFO L129 PetriNetUnfolder]: 102/362 cut-off events. [2021-03-25 15:23:11,561 INFO L130 PetriNetUnfolder]: For 1932/1934 co-relation queries the response was YES. [2021-03-25 15:23:11,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1944 conditions, 362 events. 102/362 cut-off events. For 1932/1934 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2202 event pairs, 43 based on Foata normal form. 6/368 useless extension candidates. Maximal degree in co-relation 1893. Up to 262 conditions per place. [2021-03-25 15:23:11,563 INFO L132 encePairwiseOnDemand]: 322/334 looper letters, 85 selfloop transitions, 13 changer transitions 15/115 dead transitions. [2021-03-25 15:23:11,563 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 115 transitions, 1463 flow [2021-03-25 15:23:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:11,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1574 transitions. [2021-03-25 15:23:11,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42841589548176373 [2021-03-25 15:23:11,565 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1574 transitions. [2021-03-25 15:23:11,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1574 transitions. [2021-03-25 15:23:11,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:11,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1574 transitions. [2021-03-25 15:23:11,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.0909090909091) internal successors, (1574), 11 states have internal predecessors, (1574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:11,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 334.0) internal successors, (4008), 12 states have internal predecessors, (4008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:11,568 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 334.0) internal successors, (4008), 12 states have internal predecessors, (4008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:11,568 INFO L185 Difference]: Start difference. First operand has 104 places, 100 transitions, 1115 flow. Second operand 11 states and 1574 transitions. [2021-03-25 15:23:11,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 115 transitions, 1463 flow [2021-03-25 15:23:11,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 115 transitions, 1344 flow, removed 18 selfloop flow, removed 12 redundant places. [2021-03-25 15:23:11,577 INFO L241 Difference]: Finished difference. Result has 103 places, 92 transitions, 959 flow [2021-03-25 15:23:11,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=971, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=959, PETRI_PLACES=103, PETRI_TRANSITIONS=92} [2021-03-25 15:23:11,577 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-03-25 15:23:11,577 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:11,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 92 transitions, 959 flow [2021-03-25 15:23:11,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 92 transitions, 959 flow [2021-03-25 15:23:11,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 92 transitions, 959 flow [2021-03-25 15:23:11,600 INFO L129 PetriNetUnfolder]: 53/251 cut-off events. [2021-03-25 15:23:11,600 INFO L130 PetriNetUnfolder]: For 907/907 co-relation queries the response was YES. [2021-03-25 15:23:11,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 251 events. 53/251 cut-off events. For 907/907 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1513 event pairs, 12 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 888. Up to 67 conditions per place. [2021-03-25 15:23:11,602 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-25 15:23:11,955 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-25 15:23:11,956 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 15:23:11,956 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 379 [2021-03-25 15:23:11,956 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 983 flow [2021-03-25 15:23:11,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.14285714285714) internal successors, (1962), 14 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:11,957 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:11,957 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:11,957 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 15:23:11,957 INFO L428 AbstractCegarLoop]: === Iteration 38 === [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]=== [2021-03-25 15:23:11,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:11,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1370425225, now seen corresponding path program 1 times [2021-03-25 15:23:11,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:11,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886817807] [2021-03-25 15:23:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:12,011 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:12,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:12,032 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:12,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:12,063 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:12,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:12,094 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:12,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:12,126 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:12,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:12,163 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:23:12,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:12,173 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:12,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:12,220 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:12,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:12,240 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:12,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:12,262 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-25 15:23:12,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:12,275 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-03-25 15:23:12,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:12,295 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:23:12,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:12,317 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:12,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:12,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886817807] [2021-03-25 15:23:12,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:12,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:12,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282795759] [2021-03-25 15:23:12,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:12,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:12,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:12,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:12,340 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 340 [2021-03-25 15:23:12,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 983 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:12,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:12,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 340 [2021-03-25 15:23:12,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:12,889 INFO L129 PetriNetUnfolder]: 98/349 cut-off events. [2021-03-25 15:23:12,889 INFO L130 PetriNetUnfolder]: For 1597/1601 co-relation queries the response was YES. [2021-03-25 15:23:12,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1805 conditions, 349 events. 98/349 cut-off events. For 1597/1601 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2089 event pairs, 43 based on Foata normal form. 2/351 useless extension candidates. Maximal degree in co-relation 1412. Up to 284 conditions per place. [2021-03-25 15:23:12,891 INFO L132 encePairwiseOnDemand]: 328/340 looper letters, 84 selfloop transitions, 17 changer transitions 8/111 dead transitions. [2021-03-25 15:23:12,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 111 transitions, 1383 flow [2021-03-25 15:23:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1725 transitions. [2021-03-25 15:23:12,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4227941176470588 [2021-03-25 15:23:12,892 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1725 transitions. [2021-03-25 15:23:12,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1725 transitions. [2021-03-25 15:23:12,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:12,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1725 transitions. [2021-03-25 15:23:12,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.75) internal successors, (1725), 12 states have internal predecessors, (1725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:12,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 340.0) internal successors, (4420), 13 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:12,895 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 340.0) internal successors, (4420), 13 states have internal predecessors, (4420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:12,896 INFO L185 Difference]: Start difference. First operand has 97 places, 92 transitions, 983 flow. Second operand 12 states and 1725 transitions. [2021-03-25 15:23:12,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 111 transitions, 1383 flow [2021-03-25 15:23:12,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 111 transitions, 1276 flow, removed 26 selfloop flow, removed 12 redundant places. [2021-03-25 15:23:12,900 INFO L241 Difference]: Finished difference. Result has 102 places, 100 transitions, 1037 flow [2021-03-25 15:23:12,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1037, PETRI_PLACES=102, PETRI_TRANSITIONS=100} [2021-03-25 15:23:12,901 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 36 predicate places. [2021-03-25 15:23:12,901 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:12,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 100 transitions, 1037 flow [2021-03-25 15:23:12,901 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 100 transitions, 1037 flow [2021-03-25 15:23:12,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 100 transitions, 1037 flow [2021-03-25 15:23:12,918 INFO L129 PetriNetUnfolder]: 55/258 cut-off events. [2021-03-25 15:23:12,918 INFO L130 PetriNetUnfolder]: For 963/969 co-relation queries the response was YES. [2021-03-25 15:23:12,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 258 events. 55/258 cut-off events. For 963/969 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1584 event pairs, 10 based on Foata normal form. 1/254 useless extension candidates. Maximal degree in co-relation 1075. Up to 76 conditions per place. [2021-03-25 15:23:12,919 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-25 15:23:12,992 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 15:23:12,992 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:12,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 91 [2021-03-25 15:23:12,993 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 100 transitions, 1041 flow [2021-03-25 15:23:12,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:12,993 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:12,993 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:12,993 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-25 15:23:12,993 INFO L428 AbstractCegarLoop]: === Iteration 39 === [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]=== [2021-03-25 15:23:12,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:12,994 INFO L82 PathProgramCache]: Analyzing trace with hash -954248111, now seen corresponding path program 2 times [2021-03-25 15:23:12,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:12,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508298468] [2021-03-25 15:23:12,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:13,047 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:13,069 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:13,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:13,093 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:13,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:13,117 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:13,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:13,143 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:13,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:13,172 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:23:13,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:13,188 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:13,216 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:13,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:13,238 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:13,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:13,254 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-25 15:23:13,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:13,264 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:13,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:13,283 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:23:13,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:13,299 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:13,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:13,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508298468] [2021-03-25 15:23:13,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:13,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:13,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173046588] [2021-03-25 15:23:13,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:13,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:13,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:13,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:13,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 341 [2021-03-25 15:23:13,317 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 100 transitions, 1041 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:13,317 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:13,317 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 341 [2021-03-25 15:23:13,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:13,853 INFO L129 PetriNetUnfolder]: 91/348 cut-off events. [2021-03-25 15:23:13,853 INFO L130 PetriNetUnfolder]: For 1565/1565 co-relation queries the response was YES. [2021-03-25 15:23:13,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1737 conditions, 348 events. 91/348 cut-off events. For 1565/1565 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2141 event pairs, 42 based on Foata normal form. 6/354 useless extension candidates. Maximal degree in co-relation 1693. Up to 254 conditions per place. [2021-03-25 15:23:13,855 INFO L132 encePairwiseOnDemand]: 329/341 looper letters, 78 selfloop transitions, 9 changer transitions 20/109 dead transitions. [2021-03-25 15:23:13,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 109 transitions, 1325 flow [2021-03-25 15:23:13,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1584 transitions. [2021-03-25 15:23:13,857 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4222873900293255 [2021-03-25 15:23:13,857 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1584 transitions. [2021-03-25 15:23:13,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1584 transitions. [2021-03-25 15:23:13,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:13,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1584 transitions. [2021-03-25 15:23:13,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.0) internal successors, (1584), 11 states have internal predecessors, (1584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:13,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:13,866 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 341.0) internal successors, (4092), 12 states have internal predecessors, (4092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:13,866 INFO L185 Difference]: Start difference. First operand has 100 places, 100 transitions, 1041 flow. Second operand 11 states and 1584 transitions. [2021-03-25 15:23:13,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 109 transitions, 1325 flow [2021-03-25 15:23:13,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 109 transitions, 1287 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-25 15:23:13,873 INFO L241 Difference]: Finished difference. Result has 106 places, 88 transitions, 908 flow [2021-03-25 15:23:13,873 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1005, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=908, PETRI_PLACES=106, PETRI_TRANSITIONS=88} [2021-03-25 15:23:13,873 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 40 predicate places. [2021-03-25 15:23:13,873 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:13,873 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 88 transitions, 908 flow [2021-03-25 15:23:13,873 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 88 transitions, 908 flow [2021-03-25 15:23:13,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 88 transitions, 908 flow [2021-03-25 15:23:13,894 INFO L129 PetriNetUnfolder]: 43/227 cut-off events. [2021-03-25 15:23:13,894 INFO L130 PetriNetUnfolder]: For 868/873 co-relation queries the response was YES. [2021-03-25 15:23:13,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 990 conditions, 227 events. 43/227 cut-off events. For 868/873 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1329 event pairs, 10 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 931. Up to 65 conditions per place. [2021-03-25 15:23:13,896 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-25 15:23:13,960 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-25 15:23:13,960 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:13,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-03-25 15:23:13,960 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 88 transitions, 914 flow [2021-03-25 15:23:13,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:13,960 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:13,961 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:13,961 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-25 15:23:13,961 INFO L428 AbstractCegarLoop]: === Iteration 40 === [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]=== [2021-03-25 15:23:13,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:13,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1245532098, now seen corresponding path program 1 times [2021-03-25 15:23:13,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:13,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377424461] [2021-03-25 15:23:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:14,018 INFO L142 QuantifierPusher]: treesize reduction 18, result has 77.5 percent of original size [2021-03-25 15:23:14,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-03-25 15:23:14,050 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.9 percent of original size [2021-03-25 15:23:14,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 15:23:14,092 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.0 percent of original size [2021-03-25 15:23:14,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 15:23:14,130 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.0 percent of original size [2021-03-25 15:23:14,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 15:23:14,174 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:14,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:14,211 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:23:14,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:14,219 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:14,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:14,247 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:14,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:14,270 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:14,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:14,286 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-25 15:23:14,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:14,297 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-25 15:23:14,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:14,311 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:14,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:14,326 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:14,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:14,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377424461] [2021-03-25 15:23:14,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:14,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:23:14,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583520329] [2021-03-25 15:23:14,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:23:14,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:14,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:23:14,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:23:14,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 342 [2021-03-25 15:23:14,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 88 transitions, 914 flow. Second operand has 12 states, 12 states have (on average 142.25) internal successors, (1707), 12 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:14,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:14,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 342 [2021-03-25 15:23:14,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:14,759 INFO L129 PetriNetUnfolder]: 80/301 cut-off events. [2021-03-25 15:23:14,759 INFO L130 PetriNetUnfolder]: For 1441/1441 co-relation queries the response was YES. [2021-03-25 15:23:14,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1543 conditions, 301 events. 80/301 cut-off events. For 1441/1441 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1706 event pairs, 41 based on Foata normal form. 1/302 useless extension candidates. Maximal degree in co-relation 1483. Up to 253 conditions per place. [2021-03-25 15:23:14,760 INFO L132 encePairwiseOnDemand]: 332/342 looper letters, 75 selfloop transitions, 4 changer transitions 11/92 dead transitions. [2021-03-25 15:23:14,760 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 92 transitions, 1129 flow [2021-03-25 15:23:14,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 15:23:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 15:23:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1447 transitions. [2021-03-25 15:23:14,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42309941520467836 [2021-03-25 15:23:14,763 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1447 transitions. [2021-03-25 15:23:14,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1447 transitions. [2021-03-25 15:23:14,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:14,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1447 transitions. [2021-03-25 15:23:14,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 144.7) internal successors, (1447), 10 states have internal predecessors, (1447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:14,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 342.0) internal successors, (3762), 11 states have internal predecessors, (3762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:14,767 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 342.0) internal successors, (3762), 11 states have internal predecessors, (3762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:14,767 INFO L185 Difference]: Start difference. First operand has 99 places, 88 transitions, 914 flow. Second operand 10 states and 1447 transitions. [2021-03-25 15:23:14,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 92 transitions, 1129 flow [2021-03-25 15:23:14,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 92 transitions, 1083 flow, removed 11 selfloop flow, removed 12 redundant places. [2021-03-25 15:23:14,773 INFO L241 Difference]: Finished difference. Result has 98 places, 81 transitions, 814 flow [2021-03-25 15:23:14,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=814, PETRI_PLACES=98, PETRI_TRANSITIONS=81} [2021-03-25 15:23:14,774 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 32 predicate places. [2021-03-25 15:23:14,774 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:14,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 81 transitions, 814 flow [2021-03-25 15:23:14,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 81 transitions, 814 flow [2021-03-25 15:23:14,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 81 transitions, 814 flow [2021-03-25 15:23:14,794 INFO L129 PetriNetUnfolder]: 42/216 cut-off events. [2021-03-25 15:23:14,794 INFO L130 PetriNetUnfolder]: For 722/728 co-relation queries the response was YES. [2021-03-25 15:23:14,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 892 conditions, 216 events. 42/216 cut-off events. For 722/728 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1250 event pairs, 10 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 859. Up to 66 conditions per place. [2021-03-25 15:23:14,796 INFO L142 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-25 15:23:14,803 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 15:23:14,803 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:14,803 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-03-25 15:23:14,804 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 814 flow [2021-03-25 15:23:14,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 142.25) internal successors, (1707), 12 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:14,804 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:14,804 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:14,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 15:23:14,804 INFO L428 AbstractCegarLoop]: === Iteration 41 === [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]=== [2021-03-25 15:23:14,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:14,805 INFO L82 PathProgramCache]: Analyzing trace with hash -814255099, now seen corresponding path program 1 times [2021-03-25 15:23:14,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:14,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359179184] [2021-03-25 15:23:14,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:14,858 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:14,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:14,880 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:14,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:14,910 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:14,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:14,941 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:14,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:14,977 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:14,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:14,989 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 15:23:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:15,024 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:15,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:15,061 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:15,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:15,081 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:15,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:15,102 INFO L142 QuantifierPusher]: treesize reduction 22, result has 52.2 percent of original size [2021-03-25 15:23:15,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:15,124 INFO L142 QuantifierPusher]: treesize reduction 22, result has 51.1 percent of original size [2021-03-25 15:23:15,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:15,148 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-25 15:23:15,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:15,163 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:15,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:15,164 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:23:15,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:15,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:15,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:15,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359179184] [2021-03-25 15:23:15,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:15,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:15,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786240005] [2021-03-25 15:23:15,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:15,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:15,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:15,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:15,201 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 342 [2021-03-25 15:23:15,202 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 81 transitions, 814 flow. Second operand has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:15,202 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:15,202 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 342 [2021-03-25 15:23:15,202 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:15,821 INFO L129 PetriNetUnfolder]: 74/321 cut-off events. [2021-03-25 15:23:15,822 INFO L130 PetriNetUnfolder]: For 1423/1423 co-relation queries the response was YES. [2021-03-25 15:23:15,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1531 conditions, 321 events. 74/321 cut-off events. For 1423/1423 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2092 event pairs, 12 based on Foata normal form. 12/333 useless extension candidates. Maximal degree in co-relation 1496. Up to 95 conditions per place. [2021-03-25 15:23:15,823 INFO L132 encePairwiseOnDemand]: 323/342 looper letters, 52 selfloop transitions, 33 changer transitions 23/110 dead transitions. [2021-03-25 15:23:15,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 110 transitions, 1253 flow [2021-03-25 15:23:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:15,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1717 transitions. [2021-03-25 15:23:15,825 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4183723196881092 [2021-03-25 15:23:15,825 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1717 transitions. [2021-03-25 15:23:15,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1717 transitions. [2021-03-25 15:23:15,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:15,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1717 transitions. [2021-03-25 15:23:15,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.08333333333334) internal successors, (1717), 12 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:15,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 342.0) internal successors, (4446), 13 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:15,829 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 342.0) internal successors, (4446), 13 states have internal predecessors, (4446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:15,829 INFO L185 Difference]: Start difference. First operand has 86 places, 81 transitions, 814 flow. Second operand 12 states and 1717 transitions. [2021-03-25 15:23:15,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 110 transitions, 1253 flow [2021-03-25 15:23:15,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 110 transitions, 1212 flow, removed 15 selfloop flow, removed 11 redundant places. [2021-03-25 15:23:15,835 INFO L241 Difference]: Finished difference. Result has 89 places, 76 transitions, 820 flow [2021-03-25 15:23:15,836 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=764, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=820, PETRI_PLACES=89, PETRI_TRANSITIONS=76} [2021-03-25 15:23:15,836 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 23 predicate places. [2021-03-25 15:23:15,836 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:15,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 76 transitions, 820 flow [2021-03-25 15:23:15,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 76 transitions, 820 flow [2021-03-25 15:23:15,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 76 transitions, 820 flow [2021-03-25 15:23:15,847 INFO L129 PetriNetUnfolder]: 25/168 cut-off events. [2021-03-25 15:23:15,847 INFO L130 PetriNetUnfolder]: For 817/817 co-relation queries the response was YES. [2021-03-25 15:23:15,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 168 events. 25/168 cut-off events. For 817/817 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 884 event pairs, 4 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 679. Up to 42 conditions per place. [2021-03-25 15:23:15,848 INFO L142 LiptonReduction]: Number of co-enabled transitions 38 [2021-03-25 15:23:15,912 INFO L154 LiptonReduction]: Checked pairs total: 15 [2021-03-25 15:23:15,912 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 15:23:15,912 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 76 [2021-03-25 15:23:15,912 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 76 transitions, 824 flow [2021-03-25 15:23:15,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:15,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:15,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:15,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-25 15:23:15,913 INFO L428 AbstractCegarLoop]: === Iteration 42 === [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]=== [2021-03-25 15:23:15,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:15,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1936903678, now seen corresponding path program 1 times [2021-03-25 15:23:15,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:15,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323185530] [2021-03-25 15:23:15,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:15,968 INFO L142 QuantifierPusher]: treesize reduction 22, result has 72.5 percent of original size [2021-03-25 15:23:15,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 15:23:15,998 INFO L142 QuantifierPusher]: treesize reduction 15, result has 81.9 percent of original size [2021-03-25 15:23:15,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 15:23:16,039 INFO L142 QuantifierPusher]: treesize reduction 15, result has 80.0 percent of original size [2021-03-25 15:23:16,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 15:23:16,077 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:16,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:16,112 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:16,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:16,121 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 15:23:16,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:16,155 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:16,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:16,192 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:16,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:16,213 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:16,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:16,234 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:16,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:16,257 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-25 15:23:16,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:16,271 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-25 15:23:16,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:16,285 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:16,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:16,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:16,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:16,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323185530] [2021-03-25 15:23:16,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:16,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:16,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132010724] [2021-03-25 15:23:16,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:16,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:16,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:16,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:16,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 343 [2021-03-25 15:23:16,304 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 76 transitions, 824 flow. Second operand has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:16,304 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:16,304 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 343 [2021-03-25 15:23:16,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:16,795 INFO L129 PetriNetUnfolder]: 41/214 cut-off events. [2021-03-25 15:23:16,795 INFO L130 PetriNetUnfolder]: For 1249/1249 co-relation queries the response was YES. [2021-03-25 15:23:16,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 214 events. 41/214 cut-off events. For 1249/1249 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1164 event pairs, 9 based on Foata normal form. 3/217 useless extension candidates. Maximal degree in co-relation 1023. Up to 102 conditions per place. [2021-03-25 15:23:16,796 INFO L132 encePairwiseOnDemand]: 325/343 looper letters, 52 selfloop transitions, 28 changer transitions 10/92 dead transitions. [2021-03-25 15:23:16,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 92 transitions, 1140 flow [2021-03-25 15:23:16,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1583 transitions. [2021-03-25 15:23:16,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4195600318049298 [2021-03-25 15:23:16,797 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1583 transitions. [2021-03-25 15:23:16,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1583 transitions. [2021-03-25 15:23:16,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:16,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1583 transitions. [2021-03-25 15:23:16,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.9090909090909) internal successors, (1583), 11 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:16,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 343.0) internal successors, (4116), 12 states have internal predecessors, (4116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:16,800 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 343.0) internal successors, (4116), 12 states have internal predecessors, (4116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:16,801 INFO L185 Difference]: Start difference. First operand has 87 places, 76 transitions, 824 flow. Second operand 11 states and 1583 transitions. [2021-03-25 15:23:16,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 92 transitions, 1140 flow [2021-03-25 15:23:16,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 92 transitions, 1056 flow, removed 10 selfloop flow, removed 9 redundant places. [2021-03-25 15:23:16,805 INFO L241 Difference]: Finished difference. Result has 91 places, 75 transitions, 803 flow [2021-03-25 15:23:16,805 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=744, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=803, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2021-03-25 15:23:16,805 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 25 predicate places. [2021-03-25 15:23:16,805 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:16,805 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 75 transitions, 803 flow [2021-03-25 15:23:16,805 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 75 transitions, 803 flow [2021-03-25 15:23:16,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 75 transitions, 803 flow [2021-03-25 15:23:16,817 INFO L129 PetriNetUnfolder]: 24/164 cut-off events. [2021-03-25 15:23:16,817 INFO L130 PetriNetUnfolder]: For 802/811 co-relation queries the response was YES. [2021-03-25 15:23:16,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 164 events. 24/164 cut-off events. For 802/811 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 849 event pairs, 4 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 701. Up to 40 conditions per place. [2021-03-25 15:23:16,818 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-25 15:23:16,819 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 15:23:16,819 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:16,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 15:23:16,819 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 75 transitions, 803 flow [2021-03-25 15:23:16,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 141.23076923076923) internal successors, (1836), 13 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:16,820 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:16,820 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:16,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-25 15:23:16,820 INFO L428 AbstractCegarLoop]: === Iteration 43 === [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]=== [2021-03-25 15:23:16,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:16,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1021034323, now seen corresponding path program 2 times [2021-03-25 15:23:16,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:16,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846579253] [2021-03-25 15:23:16,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:16,871 INFO L142 QuantifierPusher]: treesize reduction 22, result has 61.4 percent of original size [2021-03-25 15:23:16,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:16,893 INFO L142 QuantifierPusher]: treesize reduction 19, result has 68.3 percent of original size [2021-03-25 15:23:16,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:16,919 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-25 15:23:16,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:16,943 INFO L142 QuantifierPusher]: treesize reduction 30, result has 60.0 percent of original size [2021-03-25 15:23:16,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:16,970 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:23:16,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:16,977 INFO L142 QuantifierPusher]: treesize reduction 32, result has 51.5 percent of original size [2021-03-25 15:23:16,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:17,002 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.1 percent of original size [2021-03-25 15:23:17,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:17,030 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 15:23:17,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:17,045 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.0 percent of original size [2021-03-25 15:23:17,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:17,061 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-03-25 15:23:17,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:17,079 INFO L142 QuantifierPusher]: treesize reduction 16, result has 60.0 percent of original size [2021-03-25 15:23:17,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:17,090 INFO L142 QuantifierPusher]: treesize reduction 18, result has 50.0 percent of original size [2021-03-25 15:23:17,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:17,107 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-25 15:23:17,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:17,143 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-25 15:23:17,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:17,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846579253] [2021-03-25 15:23:17,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:17,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:17,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715990645] [2021-03-25 15:23:17,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:17,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:17,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:17,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:17,168 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 343 [2021-03-25 15:23:17,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 75 transitions, 803 flow. Second operand has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:17,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:17,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 343 [2021-03-25 15:23:17,169 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:17,765 INFO L129 PetriNetUnfolder]: 38/201 cut-off events. [2021-03-25 15:23:17,765 INFO L130 PetriNetUnfolder]: For 1126/1126 co-relation queries the response was YES. [2021-03-25 15:23:17,766 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 201 events. 38/201 cut-off events. For 1126/1126 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1078 event pairs, 8 based on Foata normal form. 4/205 useless extension candidates. Maximal degree in co-relation 1004. Up to 86 conditions per place. [2021-03-25 15:23:17,766 INFO L132 encePairwiseOnDemand]: 327/343 looper letters, 39 selfloop transitions, 13 changer transitions 39/93 dead transitions. [2021-03-25 15:23:17,766 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 93 transitions, 1148 flow [2021-03-25 15:23:17,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:17,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1710 transitions. [2021-03-25 15:23:17,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.41545189504373176 [2021-03-25 15:23:17,768 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1710 transitions. [2021-03-25 15:23:17,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1710 transitions. [2021-03-25 15:23:17,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:17,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1710 transitions. [2021-03-25 15:23:17,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.5) internal successors, (1710), 12 states have internal predecessors, (1710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:17,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 343.0) internal successors, (4459), 13 states have internal predecessors, (4459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:17,771 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 343.0) internal successors, (4459), 13 states have internal predecessors, (4459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:17,771 INFO L185 Difference]: Start difference. First operand has 89 places, 75 transitions, 803 flow. Second operand 12 states and 1710 transitions. [2021-03-25 15:23:17,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 93 transitions, 1148 flow [2021-03-25 15:23:17,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 93 transitions, 1083 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-25 15:23:17,775 INFO L241 Difference]: Finished difference. Result has 93 places, 51 transitions, 494 flow [2021-03-25 15:23:17,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=343, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=494, PETRI_PLACES=93, PETRI_TRANSITIONS=51} [2021-03-25 15:23:17,775 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 27 predicate places. [2021-03-25 15:23:17,776 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:17,776 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 51 transitions, 494 flow [2021-03-25 15:23:17,776 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 51 transitions, 494 flow [2021-03-25 15:23:17,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 51 transitions, 494 flow [2021-03-25 15:23:17,784 INFO L129 PetriNetUnfolder]: 16/109 cut-off events. [2021-03-25 15:23:17,784 INFO L130 PetriNetUnfolder]: For 473/477 co-relation queries the response was YES. [2021-03-25 15:23:17,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 109 events. 16/109 cut-off events. For 473/477 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 465 event pairs, 4 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 428. Up to 31 conditions per place. [2021-03-25 15:23:17,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 24 [2021-03-25 15:23:17,890 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 15:23:17,891 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:17,891 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-03-25 15:23:17,891 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 50 transitions, 493 flow [2021-03-25 15:23:17,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:17,891 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:17,891 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:17,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-25 15:23:17,892 INFO L428 AbstractCegarLoop]: === Iteration 44 === [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]=== [2021-03-25 15:23:17,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash 888111549, now seen corresponding path program 3 times [2021-03-25 15:23:17,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:17,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306871511] [2021-03-25 15:23:17,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:17,943 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:17,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:17,964 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:17,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:17,994 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:17,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:18,025 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:18,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:18,060 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:18,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:18,068 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 15:23:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:18,103 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 15:23:18,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:18,136 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:18,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:18,166 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:18,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:18,182 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:18,200 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-03-25 15:23:18,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 15:23:18,218 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 15:23:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 15:23:18,231 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:23:18,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:18,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:18,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:18,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306871511] [2021-03-25 15:23:18,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:18,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 15:23:18,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263458011] [2021-03-25 15:23:18,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 15:23:18,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:18,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 15:23:18,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 15:23:18,268 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 345 [2021-03-25 15:23:18,269 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 50 transitions, 493 flow. Second operand has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:18,269 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:18,269 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 345 [2021-03-25 15:23:18,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:18,811 INFO L129 PetriNetUnfolder]: 25/141 cut-off events. [2021-03-25 15:23:18,811 INFO L130 PetriNetUnfolder]: For 807/807 co-relation queries the response was YES. [2021-03-25 15:23:18,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 141 events. 25/141 cut-off events. For 807/807 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 728 event pairs, 2 based on Foata normal form. 9/150 useless extension candidates. Maximal degree in co-relation 674. Up to 43 conditions per place. [2021-03-25 15:23:18,811 INFO L132 encePairwiseOnDemand]: 329/345 looper letters, 19 selfloop transitions, 18 changer transitions 18/57 dead transitions. [2021-03-25 15:23:18,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 57 transitions, 652 flow [2021-03-25 15:23:18,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:18,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1702 transitions. [2021-03-25 15:23:18,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4111111111111111 [2021-03-25 15:23:18,813 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1702 transitions. [2021-03-25 15:23:18,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1702 transitions. [2021-03-25 15:23:18,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:18,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1702 transitions. [2021-03-25 15:23:18,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 141.83333333333334) internal successors, (1702), 12 states have internal predecessors, (1702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:18,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 345.0) internal successors, (4485), 13 states have internal predecessors, (4485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:18,816 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 345.0) internal successors, (4485), 13 states have internal predecessors, (4485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:18,816 INFO L185 Difference]: Start difference. First operand has 79 places, 50 transitions, 493 flow. Second operand 12 states and 1702 transitions. [2021-03-25 15:23:18,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 57 transitions, 652 flow [2021-03-25 15:23:18,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 57 transitions, 550 flow, removed 21 selfloop flow, removed 20 redundant places. [2021-03-25 15:23:18,818 INFO L241 Difference]: Finished difference. Result has 72 places, 37 transitions, 332 flow [2021-03-25 15:23:18,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=345, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=332, PETRI_PLACES=72, PETRI_TRANSITIONS=37} [2021-03-25 15:23:18,818 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 6 predicate places. [2021-03-25 15:23:18,818 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:18,819 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 37 transitions, 332 flow [2021-03-25 15:23:18,819 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 37 transitions, 332 flow [2021-03-25 15:23:18,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 37 transitions, 332 flow [2021-03-25 15:23:18,823 INFO L129 PetriNetUnfolder]: 4/57 cut-off events. [2021-03-25 15:23:18,823 INFO L130 PetriNetUnfolder]: For 230/230 co-relation queries the response was YES. [2021-03-25 15:23:18,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 57 events. 4/57 cut-off events. For 230/230 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 154 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 217. Up to 13 conditions per place. [2021-03-25 15:23:18,824 INFO L142 LiptonReduction]: Number of co-enabled transitions 4 [2021-03-25 15:23:19,090 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 15:23:19,090 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:19,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 272 [2021-03-25 15:23:19,091 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 36 transitions, 334 flow [2021-03-25 15:23:19,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 140.21428571428572) internal successors, (1963), 14 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:19,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:19,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-25 15:23:19,091 INFO L428 AbstractCegarLoop]: === Iteration 45 === [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]=== [2021-03-25 15:23:19,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:19,092 INFO L82 PathProgramCache]: Analyzing trace with hash 74845476, now seen corresponding path program 1 times [2021-03-25 15:23:19,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:19,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040537913] [2021-03-25 15:23:19,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:19,143 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 15:23:19,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:19,164 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 15:23:19,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 15:23:19,196 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 15:23:19,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 15:23:19,225 INFO L142 QuantifierPusher]: treesize reduction 28, result has 61.6 percent of original size [2021-03-25 15:23:19,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 15:23:19,252 INFO L142 QuantifierPusher]: treesize reduction 28, result has 58.8 percent of original size [2021-03-25 15:23:19,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 15:23:19,258 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 15:23:19,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:19,284 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 15:23:19,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 15:23:19,312 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 15:23:19,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 15:23:19,327 INFO L142 QuantifierPusher]: treesize reduction 14, result has 67.4 percent of original size [2021-03-25 15:23:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 15:23:19,343 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-25 15:23:19,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:19,354 INFO L142 QuantifierPusher]: treesize reduction 16, result has 52.9 percent of original size [2021-03-25 15:23:19,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:19,370 INFO L142 QuantifierPusher]: treesize reduction 16, result has 51.5 percent of original size [2021-03-25 15:23:19,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:19,387 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-25 15:23:19,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:19,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:19,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040537913] [2021-03-25 15:23:19,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:19,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 15:23:19,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4850433] [2021-03-25 15:23:19,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 15:23:19,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:19,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 15:23:19,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-03-25 15:23:19,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 347 [2021-03-25 15:23:19,406 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 36 transitions, 334 flow. Second operand has 13 states, 13 states have (on average 140.23076923076923) internal successors, (1823), 13 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,406 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:19,406 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 347 [2021-03-25 15:23:19,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:19,867 INFO L129 PetriNetUnfolder]: 3/61 cut-off events. [2021-03-25 15:23:19,867 INFO L130 PetriNetUnfolder]: For 318/318 co-relation queries the response was YES. [2021-03-25 15:23:19,867 INFO L84 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 61 events. 3/61 cut-off events. For 318/318 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 189 event pairs, 0 based on Foata normal form. 3/64 useless extension candidates. Maximal degree in co-relation 281. Up to 15 conditions per place. [2021-03-25 15:23:19,867 INFO L132 encePairwiseOnDemand]: 331/347 looper letters, 13 selfloop transitions, 13 changer transitions 15/43 dead transitions. [2021-03-25 15:23:19,867 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 43 transitions, 477 flow [2021-03-25 15:23:19,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 15:23:19,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 15:23:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1696 transitions. [2021-03-25 15:23:19,869 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40730067243035545 [2021-03-25 15:23:19,869 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1696 transitions. [2021-03-25 15:23:19,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1696 transitions. [2021-03-25 15:23:19,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:19,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1696 transitions. [2021-03-25 15:23:19,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 141.33333333333334) internal successors, (1696), 12 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 347.0) internal successors, (4511), 13 states have internal predecessors, (4511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,874 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 347.0) internal successors, (4511), 13 states have internal predecessors, (4511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,874 INFO L185 Difference]: Start difference. First operand has 68 places, 36 transitions, 334 flow. Second operand 12 states and 1696 transitions. [2021-03-25 15:23:19,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 43 transitions, 477 flow [2021-03-25 15:23:19,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 43 transitions, 369 flow, removed 12 selfloop flow, removed 15 redundant places. [2021-03-25 15:23:19,876 INFO L241 Difference]: Finished difference. Result has 65 places, 27 transitions, 197 flow [2021-03-25 15:23:19,876 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=347, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=197, PETRI_PLACES=65, PETRI_TRANSITIONS=27} [2021-03-25 15:23:19,876 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -1 predicate places. [2021-03-25 15:23:19,876 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:19,876 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 27 transitions, 197 flow [2021-03-25 15:23:19,876 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 27 transitions, 197 flow [2021-03-25 15:23:19,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 27 transitions, 197 flow [2021-03-25 15:23:19,880 INFO L129 PetriNetUnfolder]: 1/32 cut-off events. [2021-03-25 15:23:19,880 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-03-25 15:23:19,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 32 events. 1/32 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 35 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 101. Up to 7 conditions per place. [2021-03-25 15:23:19,880 INFO L142 LiptonReduction]: Number of co-enabled transitions 2 [2021-03-25 15:23:19,965 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 15:23:19,965 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 15:23:19,965 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-03-25 15:23:19,965 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 26 transitions, 197 flow [2021-03-25 15:23:19,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 140.23076923076923) internal successors, (1823), 13 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:19,966 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 15:23:19,966 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 15:23:19,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-25 15:23:19,966 INFO L428 AbstractCegarLoop]: === Iteration 46 === [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]=== [2021-03-25 15:23:19,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 15:23:19,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1951962786, now seen corresponding path program 1 times [2021-03-25 15:23:19,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 15:23:19,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789513364] [2021-03-25 15:23:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 15:23:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 15:23:20,016 INFO L142 QuantifierPusher]: treesize reduction 16, result has 78.1 percent of original size [2021-03-25 15:23:20,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 15:23:20,044 INFO L142 QuantifierPusher]: treesize reduction 13, result has 82.9 percent of original size [2021-03-25 15:23:20,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 15:23:20,081 INFO L142 QuantifierPusher]: treesize reduction 13, result has 80.9 percent of original size [2021-03-25 15:23:20,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 15:23:20,118 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size [2021-03-25 15:23:20,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 15:23:20,137 INFO L142 QuantifierPusher]: treesize reduction 30, result has 50.0 percent of original size [2021-03-25 15:23:20,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 15:23:20,145 INFO L142 QuantifierPusher]: treesize reduction 32, result has 42.9 percent of original size [2021-03-25 15:23:20,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:20,164 INFO L142 QuantifierPusher]: treesize reduction 32, result has 42.9 percent of original size [2021-03-25 15:23:20,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 15:23:20,185 INFO L142 QuantifierPusher]: treesize reduction 15, result has 59.5 percent of original size [2021-03-25 15:23:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 15:23:20,204 INFO L142 QuantifierPusher]: treesize reduction 29, result has 57.4 percent of original size [2021-03-25 15:23:20,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 15:23:20,231 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-25 15:23:20,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 15:23:20,245 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:20,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:20,260 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 15:23:20,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 15:23:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 15:23:20,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789513364] [2021-03-25 15:23:20,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 15:23:20,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 15:23:20,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252730056] [2021-03-25 15:23:20,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 15:23:20,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 15:23:20,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 15:23:20,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-25 15:23:20,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 349 [2021-03-25 15:23:20,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 26 transitions, 197 flow. Second operand has 12 states, 12 states have (on average 141.16666666666666) internal successors, (1694), 12 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 15:23:20,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 349 [2021-03-25 15:23:20,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 15:23:20,587 INFO L129 PetriNetUnfolder]: 2/30 cut-off events. [2021-03-25 15:23:20,587 INFO L130 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2021-03-25 15:23:20,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 30 events. 2/30 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 2/32 useless extension candidates. Maximal degree in co-relation 131. Up to 8 conditions per place. [2021-03-25 15:23:20,588 INFO L132 encePairwiseOnDemand]: 336/349 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2021-03-25 15:23:20,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 25 transitions, 236 flow [2021-03-25 15:23:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 15:23:20,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 15:23:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1559 transitions. [2021-03-25 15:23:20,589 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40609533732742903 [2021-03-25 15:23:20,589 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1559 transitions. [2021-03-25 15:23:20,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1559 transitions. [2021-03-25 15:23:20,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 15:23:20,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1559 transitions. [2021-03-25 15:23:20,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.72727272727272) internal successors, (1559), 11 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,592 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 349.0) internal successors, (4188), 12 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,592 INFO L185 Difference]: Start difference. First operand has 55 places, 26 transitions, 197 flow. Second operand 11 states and 1559 transitions. [2021-03-25 15:23:20,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 25 transitions, 236 flow [2021-03-25 15:23:20,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 25 transitions, 178 flow, removed 5 selfloop flow, removed 16 redundant places. [2021-03-25 15:23:20,592 INFO L241 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2021-03-25 15:23:20,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2021-03-25 15:23:20,593 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -18 predicate places. [2021-03-25 15:23:20,593 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 15:23:20,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 0 transitions, 0 flow [2021-03-25 15:23:20,593 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 0 transitions, 0 flow [2021-03-25 15:23:20,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 15:23:20,593 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 15:23:20,593 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 15:23:20,593 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. [2021-03-25 15:23:20,593 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 15:23:20,593 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 15:23:20,593 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 15:23:20,593 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-03-25 15:23:20,593 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 15:23:20,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 141.16666666666666) internal successors, (1694), 12 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 15:23:20,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-25 15:23:20,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 03:23:20 BasicIcfg [2021-03-25 15:23:20,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 15:23:20,597 INFO L168 Benchmark]: Toolchain (without parser) took 176629.00 ms. Allocated memory was 255.9 MB in the beginning and 436.2 MB in the end (delta: 180.4 MB). Free memory was 235.4 MB in the beginning and 218.2 MB in the end (delta: 17.2 MB). Peak memory consumption was 197.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:20,597 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 15:23:20,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.81 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 235.4 MB in the beginning and 293.9 MB in the end (delta: -58.5 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:20,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.13 ms. Allocated memory is still 362.8 MB. Free memory was 293.9 MB in the beginning and 290.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:20,597 INFO L168 Benchmark]: Boogie Preprocessor took 39.18 ms. Allocated memory is still 362.8 MB. Free memory was 290.9 MB in the beginning and 288.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:20,597 INFO L168 Benchmark]: RCFGBuilder took 680.29 ms. Allocated memory is still 362.8 MB. Free memory was 288.8 MB in the beginning and 302.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:20,597 INFO L168 Benchmark]: TraceAbstraction took 174753.90 ms. Allocated memory was 362.8 MB in the beginning and 436.2 MB in the end (delta: 73.4 MB). Free memory was 302.4 MB in the beginning and 218.2 MB in the end (delta: 84.2 MB). Peak memory consumption was 158.7 MB. Max. memory is 16.0 GB. [2021-03-25 15:23:20,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1078.81 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 235.4 MB in the beginning and 293.9 MB in the end (delta: -58.5 MB). Peak memory consumption was 54.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.13 ms. Allocated memory is still 362.8 MB. Free memory was 293.9 MB in the beginning and 290.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.18 ms. Allocated memory is still 362.8 MB. Free memory was 290.9 MB in the beginning and 288.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 680.29 ms. Allocated memory is still 362.8 MB. Free memory was 288.8 MB in the beginning and 302.4 MB in the end (delta: -13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 174753.90 ms. Allocated memory was 362.8 MB in the beginning and 436.2 MB in the end (delta: 73.4 MB). Free memory was 302.4 MB in the beginning and 218.2 MB in the end (delta: 84.2 MB). Peak memory consumption was 158.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80175.5ms, 151 PlacesBefore, 66 PlacesAfterwards, 153 TransitionsBefore, 66 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 5 FixpointIterations, 62 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 113 TotalNumberOfCompositions, 3461 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1880, positive: 1794, positive conditional: 0, positive unconditional: 1794, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1536, positive: 1490, positive conditional: 0, positive unconditional: 1490, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1536, positive: 1490, positive conditional: 0, positive unconditional: 1490, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1536, positive: 1485, positive conditional: 0, positive unconditional: 1485, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 22, unknown conditional: 0, unknown unconditional: 22] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76264, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 1100, negative conditional: 0, negative unconditional: 1100, unknown: 75133, unknown conditional: 0, unknown unconditional: 75133] ], Cache Queries: [ total: 1880, positive: 304, positive conditional: 0, positive unconditional: 304, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 1536, unknown conditional: 0, unknown unconditional: 1536] , Statistics on independence cache: Total cache size (in pairs): 151, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21398.0ms, 63 PlacesBefore, 40 PlacesAfterwards, 62 TransitionsBefore, 41 TransitionsAfterwards, 452 CoEnabledTransitionPairs, 3 FixpointIterations, 19 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 TotalNumberOfCompositions, 1240 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 283, positive: 209, positive conditional: 0, positive unconditional: 209, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 115, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115, positive: 94, positive conditional: 0, positive unconditional: 94, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19473, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 627, negative conditional: 0, negative unconditional: 627, unknown: 18836, unknown conditional: 0, unknown unconditional: 18836] ], Cache Queries: [ total: 283, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 115, unknown conditional: 0, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 124, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2570.5ms, 40 PlacesBefore, 35 PlacesAfterwards, 40 TransitionsBefore, 35 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 70, negative conditional: 0, negative unconditional: 70, 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: 138, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 40, Negative conditional cache size: 0, Negative unconditional cache size: 40 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17642.8ms, 36 PlacesBefore, 35 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 59, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10512, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 310, negative conditional: 0, negative unconditional: 310, unknown: 10203, unknown conditional: 0, unknown unconditional: 10203] ], Cache Queries: [ total: 59, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 165.1ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 745 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 195, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 195, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 75, Positive conditional cache size: 0, Positive unconditional cache size: 75, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8ms, 30 PlacesBefore, 29 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 23, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.2ms, 37 PlacesBefore, 37 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 58 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.5ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 118 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 26, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 122, Positive cache size: 81, Positive conditional cache size: 0, Positive unconditional cache size: 81, Negative cache size: 41, Negative conditional cache size: 0, Negative unconditional cache size: 41 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.4ms, 66 PlacesBefore, 63 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 194 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 589 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 125, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.7ms, 65 PlacesBefore, 65 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 29, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.1ms, 69 PlacesBefore, 69 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 166 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 32, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8071.0ms, 67 PlacesBefore, 64 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7813, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 7702, unknown conditional: 0, unknown unconditional: 7702] ], Cache Queries: [ total: 71, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 15, unknown conditional: 0, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 130, Positive cache size: 92, Positive conditional cache size: 0, Positive unconditional cache size: 92, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 485.9ms, 70 PlacesBefore, 68 PlacesAfterwards, 52 TransitionsBefore, 50 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 238 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 88, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 88, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.4ms, 80 PlacesBefore, 75 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 104 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 53, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 69.1ms, 86 PlacesBefore, 80 PlacesAfterwards, 58 TransitionsBefore, 57 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 134 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 55, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155.9ms, 83 PlacesBefore, 80 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 160 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 20, negative conditional: 0, negative unconditional: 20, 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: 70, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 53, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 228.0ms, 89 PlacesBefore, 88 PlacesAfterwards, 69 TransitionsBefore, 68 TransitionsAfterwards, 120 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 59 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 172.7ms, 97 PlacesBefore, 95 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 68 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 24, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.9ms, 99 PlacesBefore, 99 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 236.7ms, 110 PlacesBefore, 107 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 146 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 68, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 422.5ms, 112 PlacesBefore, 105 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 96 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 44, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 12, negative conditional: 0, negative unconditional: 12, 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: 44, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 28, Positive conditional cache size: 0, Positive unconditional cache size: 28, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.0ms, 102 PlacesBefore, 101 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 90 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , 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: 28, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.9ms, 108 PlacesBefore, 108 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 20, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.5ms, 121 PlacesBefore, 121 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 110 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.6ms, 128 PlacesBefore, 126 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 102 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.8ms, 138 PlacesBefore, 138 PlacesAfterwards, 146 TransitionsBefore, 146 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.0ms, 137 PlacesBefore, 135 PlacesAfterwards, 142 TransitionsBefore, 142 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 10 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 10, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 29, Positive conditional cache size: 0, Positive unconditional cache size: 29, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.8ms, 136 PlacesBefore, 132 PlacesAfterwards, 141 TransitionsBefore, 140 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.0ms, 134 PlacesBefore, 127 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.8ms, 130 PlacesBefore, 120 PlacesAfterwards, 129 TransitionsBefore, 129 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 6 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.0ms, 129 PlacesBefore, 123 PlacesAfterwards, 127 TransitionsBefore, 127 TransitionsAfterwards, 92 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, 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: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.6ms, 131 PlacesBefore, 127 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, 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: 12, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.2ms, 129 PlacesBefore, 118 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 110 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 38, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 38, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.4ms, 116 PlacesBefore, 111 PlacesAfterwards, 116 TransitionsBefore, 116 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 152 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 92, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 35.0ms, 119 PlacesBefore, 114 PlacesAfterwards, 115 TransitionsBefore, 115 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 116 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 26, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 17, negative conditional: 0, negative unconditional: 17, 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: 26, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.4ms, 121 PlacesBefore, 115 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 216 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 18, negative conditional: 0, negative unconditional: 18, 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: 27, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 191.5ms, 116 PlacesBefore, 104 PlacesAfterwards, 101 TransitionsBefore, 100 TransitionsAfterwards, 62 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 2, negative conditional: 0, negative unconditional: 2, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 377.9ms, 103 PlacesBefore, 97 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 64, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 64, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.4ms, 102 PlacesBefore, 100 PlacesAfterwards, 100 TransitionsBefore, 100 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.6ms, 106 PlacesBefore, 99 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 13 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 13, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.3ms, 98 PlacesBefore, 86 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, 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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 75.7ms, 89 PlacesBefore, 87 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 38 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 15 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 10, negative conditional: 0, negative unconditional: 10, 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: 5, positive conditional: 0, positive unconditional: 5, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8ms, 91 PlacesBefore, 89 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.8ms, 93 PlacesBefore, 79 PlacesAfterwards, 51 TransitionsBefore, 50 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 271.5ms, 72 PlacesBefore, 68 PlacesAfterwards, 37 TransitionsBefore, 36 TransitionsAfterwards, 4 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.8ms, 65 PlacesBefore, 55 PlacesAfterwards, 27 TransitionsBefore, 26 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, 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: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 48 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): 13, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - 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: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 174607.2ms, OverallIterations: 46, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 25504.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 80270.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 496 SDtfs, 1328 SDslu, 682 SDs, 0 SdLazy, 12824 SolverSat, 1077 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11708.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 41 SyntacticMatches, 61 SemanticMatches, 652 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 18358.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1943occurred in iteration=25, InterpolantAutomatonStates: 465, 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: 92.6ms SsaConstructionTime, 790.4ms SatisfiabilityAnalysisTime, 13386.0ms InterpolantComputationTime, 783 NumberOfCodeBlocks, 783 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 737 ConstructedInterpolants, 0 QuantifiedInterpolants, 16202 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 46 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...