/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-RepeatedVariableLbe.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 05:28:14,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 05:28:14,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 05:28:14,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 05:28:14,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 05:28:14,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 05:28:14,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 05:28:14,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 05:28:14,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 05:28:14,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 05:28:14,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 05:28:14,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 05:28:14,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 05:28:14,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 05:28:14,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 05:28:14,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 05:28:14,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 05:28:14,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 05:28:14,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 05:28:14,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 05:28:14,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 05:28:14,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 05:28:14,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 05:28:14,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 05:28:15,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 05:28:15,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 05:28:15,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 05:28:15,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 05:28:15,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 05:28:15,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 05:28:15,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 05:28:15,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 05:28:15,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 05:28:15,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 05:28:15,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 05:28:15,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 05:28:15,008 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-RepeatedVariableLbe.epf [2021-03-25 05:28:15,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 05:28:15,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 05:28:15,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 05:28:15,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 05:28:15,039 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 05:28:15,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 05:28:15,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 05:28:15,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 05:28:15,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 05:28:15,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 05:28:15,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 05:28:15,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 05:28:15,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 05:28:15,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 05:28:15,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 05:28:15,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 05:28:15,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 05:28:15,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 05:28:15,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 05:28:15,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 05:28:15,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 05:28:15,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 05:28:15,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 05:28:15,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 05:28:15,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 05:28:15,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 05:28:15,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 05:28:15,298 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 05:28:15,299 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 05:28:15,299 INFO L432 ainManager$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 05:28:15,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1353c8b/6686ce1b86db4d79a46552808162b738/FLAG33fbba2fc [2021-03-25 05:28:15,765 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 05:28:15,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2021-03-25 05:28:15,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1353c8b/6686ce1b86db4d79a46552808162b738/FLAG33fbba2fc [2021-03-25 05:28:16,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf1353c8b/6686ce1b86db4d79a46552808162b738 [2021-03-25 05:28:16,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 05:28:16,104 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 05:28:16,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 05:28:16,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 05:28:16,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 05:28:16,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e02cafd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16, skipping insertion in model container [2021-03-25 05:28:16,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 05:28:16,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 05:28:16,503 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 05:28:16,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:28:16,561 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 05:28:16,603 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 05:28:16,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:28:16,807 INFO L208 MainTranslator]: Completed translation [2021-03-25 05:28:16,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16 WrapperNode [2021-03-25 05:28:16,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 05:28:16,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 05:28:16,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 05:28:16,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 05:28:16,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 05:28:16,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 05:28:16,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 05:28:16,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 05:28:16,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (1/1) ... [2021-03-25 05:28:16,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 05:28:16,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 05:28:16,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 05:28:16,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 05:28:16,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (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 05:28:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 05:28:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 05:28:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 05:28:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-25 05:28:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 05:28:16,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 05:28:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-25 05:28:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-25 05:28:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 05:28:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 05:28:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 05:28:16,964 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 05:28:17,460 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 05:28:17,461 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-25 05:28:17,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:28:17 BoogieIcfgContainer [2021-03-25 05:28:17,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 05:28:17,462 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 05:28:17,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 05:28:17,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 05:28:17,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:28:16" (1/3) ... [2021-03-25 05:28:17,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cd048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:28:17, skipping insertion in model container [2021-03-25 05:28:17,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:16" (2/3) ... [2021-03-25 05:28:17,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cd048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:28:17, skipping insertion in model container [2021-03-25 05:28:17,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:28:17" (3/3) ... [2021-03-25 05:28:17,466 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2021-03-25 05:28:17,469 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 05:28:17,472 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-25 05:28:17,472 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,490 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,491 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,492 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,493 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,494 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,495 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,496 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,497 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,498 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,499 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,500 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,501 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,502 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,503 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,506 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,506 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,509 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,509 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,509 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,509 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,509 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:17,515 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 05:28:17,526 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-25 05:28:17,538 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 05:28:17,538 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 05:28:17,538 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 05:28:17,538 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 05:28:17,538 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 05:28:17,538 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 05:28:17,538 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 05:28:17,539 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 05:28:17,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 161 places, 165 transitions, 352 flow [2021-03-25 05:28:17,588 INFO L129 PetriNetUnfolder]: 11/205 cut-off events. [2021-03-25 05:28:17,588 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:28:17,591 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 05:28:17,591 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 165 transitions, 352 flow [2021-03-25 05:28:17,594 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 153 transitions, 324 flow [2021-03-25 05:28:17,595 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:17,604 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-25 05:28:17,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 153 transitions, 324 flow [2021-03-25 05:28:17,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 153 transitions, 324 flow [2021-03-25 05:28:17,625 INFO L129 PetriNetUnfolder]: 8/186 cut-off events. [2021-03-25 05:28:17,625 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:28:17,625 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 05:28:17,633 INFO L142 LiptonReduction]: Number of co-enabled transitions 2492 [2021-03-25 05:28:19,866 INFO L154 LiptonReduction]: Checked pairs total: 3461 [2021-03-25 05:28:19,867 INFO L156 LiptonReduction]: Total number of compositions: 113 [2021-03-25 05:28:19,870 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2275 [2021-03-25 05:28:19,877 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-25 05:28:19,877 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:28:19,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:19,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:28:19,878 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 05:28:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:19,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1316921901, now seen corresponding path program 1 times [2021-03-25 05:28:19,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:19,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922071727] [2021-03-25 05:28:19,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:20,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:20,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:20,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:20,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:28:20,133 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 05:28:20,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922071727] [2021-03-25 05:28:20,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:20,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:28:20,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898199964] [2021-03-25 05:28:20,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:28:20,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:20,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:28:20,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:28:20,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 278 [2021-03-25 05:28:20,150 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 05:28:20,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:20,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 278 [2021-03-25 05:28:20,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:20,217 INFO L129 PetriNetUnfolder]: 170/401 cut-off events. [2021-03-25 05:28:20,218 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-25 05:28:20,219 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 05:28:20,221 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 28 selfloop transitions, 4 changer transitions 3/65 dead transitions. [2021-03-25 05:28:20,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 65 transitions, 216 flow [2021-03-25 05:28:20,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:28:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:28:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-03-25 05:28:20,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7182254196642686 [2021-03-25 05:28:20,230 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2021-03-25 05:28:20,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2021-03-25 05:28:20,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:20,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2021-03-25 05:28:20,236 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 05:28:20,240 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 05:28:20,241 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 05:28:20,242 INFO L185 Difference]: Start difference. First operand has 66 places, 66 transitions, 150 flow. Second operand 3 states and 599 transitions. [2021-03-25 05:28:20,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 65 transitions, 216 flow [2021-03-25 05:28:20,244 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 05:28:20,246 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 148 flow [2021-03-25 05:28:20,247 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 05:28:20,247 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -3 predicate places. [2021-03-25 05:28:20,247 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:20,247 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-25 05:28:20,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 148 flow [2021-03-25 05:28:20,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 62 transitions, 148 flow [2021-03-25 05:28:20,253 INFO L129 PetriNetUnfolder]: 4/96 cut-off events. [2021-03-25 05:28:20,253 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:28:20,253 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 05:28:20,254 INFO L142 LiptonReduction]: Number of co-enabled transitions 452 [2021-03-25 05:28:21,465 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-25 05:28:21,659 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2021-03-25 05:28:21,774 INFO L154 LiptonReduction]: Checked pairs total: 1240 [2021-03-25 05:28:21,774 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-25 05:28:21,774 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1527 [2021-03-25 05:28:21,775 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 41 transitions, 109 flow [2021-03-25 05:28:21,775 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 05:28:21,775 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:21,775 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:28:21,775 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 05:28:21,775 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 05:28:21,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:21,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1453419847, now seen corresponding path program 1 times [2021-03-25 05:28:21,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:21,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852701277] [2021-03-25 05:28:21,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:21,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:21,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:28:21,843 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 05:28:21,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852701277] [2021-03-25 05:28:21,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:21,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:28:21,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807800981] [2021-03-25 05:28:21,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:28:21,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:21,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:28:21,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:28:21,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 304 [2021-03-25 05:28:21,846 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 05:28:21,846 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:21,846 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 304 [2021-03-25 05:28:21,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:21,907 INFO L129 PetriNetUnfolder]: 170/366 cut-off events. [2021-03-25 05:28:21,907 INFO L130 PetriNetUnfolder]: For 49/51 co-relation queries the response was YES. [2021-03-25 05:28:21,908 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 05:28:21,909 INFO L132 encePairwiseOnDemand]: 299/304 looper letters, 24 selfloop transitions, 4 changer transitions 1/41 dead transitions. [2021-03-25 05:28:21,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 41 transitions, 164 flow [2021-03-25 05:28:21,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:28:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:28:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2021-03-25 05:28:21,912 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6644736842105263 [2021-03-25 05:28:21,912 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2021-03-25 05:28:21,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2021-03-25 05:28:21,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:21,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2021-03-25 05:28:21,913 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 05:28:21,915 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 05:28:21,915 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 05:28:21,915 INFO L185 Difference]: Start difference. First operand has 40 places, 41 transitions, 109 flow. Second operand 3 states and 606 transitions. [2021-03-25 05:28:21,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 41 transitions, 164 flow [2021-03-25 05:28:21,916 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 05:28:21,916 INFO L241 Difference]: Finished difference. Result has 40 places, 40 transitions, 108 flow [2021-03-25 05:28:21,917 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 05:28:21,918 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -26 predicate places. [2021-03-25 05:28:21,918 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:21,918 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-25 05:28:21,918 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 40 transitions, 108 flow [2021-03-25 05:28:21,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 108 flow [2021-03-25 05:28:21,922 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2021-03-25 05:28:21,922 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:28:21,922 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 05:28:21,922 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-25 05:28:23,042 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-25 05:28:23,311 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 05:28:23,809 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2021-03-25 05:28:24,025 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-03-25 05:28:24,163 INFO L154 LiptonReduction]: Checked pairs total: 925 [2021-03-25 05:28:24,163 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 05:28:24,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2245 [2021-03-25 05:28:24,164 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 98 flow [2021-03-25 05:28:24,164 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 05:28:24,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:24,164 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:28:24,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 05:28:24,165 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 05:28:24,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash -639054003, now seen corresponding path program 1 times [2021-03-25 05:28:24,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:24,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423072751] [2021-03-25 05:28:24,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:24,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:24,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:24,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:24,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:24,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:24,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:28:24,220 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 05:28:24,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423072751] [2021-03-25 05:28:24,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:24,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:28:24,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22687889] [2021-03-25 05:28:24,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:28:24,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:24,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:28:24,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:28:24,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 311 [2021-03-25 05:28:24,222 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 05:28:24,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:24,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 311 [2021-03-25 05:28:24,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:24,294 INFO L129 PetriNetUnfolder]: 241/491 cut-off events. [2021-03-25 05:28:24,294 INFO L130 PetriNetUnfolder]: For 61/65 co-relation queries the response was YES. [2021-03-25 05:28:24,295 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 05:28:24,299 INFO L132 encePairwiseOnDemand]: 304/311 looper letters, 26 selfloop transitions, 7 changer transitions 0/44 dead transitions. [2021-03-25 05:28:24,300 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 44 transitions, 184 flow [2021-03-25 05:28:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:28:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:28:24,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 586 transitions. [2021-03-25 05:28:24,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6280814576634512 [2021-03-25 05:28:24,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 586 transitions. [2021-03-25 05:28:24,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 586 transitions. [2021-03-25 05:28:24,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:24,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 586 transitions. [2021-03-25 05:28:24,302 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 05:28:24,304 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 05:28:24,304 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 05:28:24,304 INFO L185 Difference]: Start difference. First operand has 35 places, 35 transitions, 98 flow. Second operand 3 states and 586 transitions. [2021-03-25 05:28:24,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 44 transitions, 184 flow [2021-03-25 05:28:24,305 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 05:28:24,305 INFO L241 Difference]: Finished difference. Result has 36 places, 39 transitions, 131 flow [2021-03-25 05:28:24,306 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 05:28:24,306 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -30 predicate places. [2021-03-25 05:28:24,306 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:24,306 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-25 05:28:24,306 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 39 transitions, 131 flow [2021-03-25 05:28:24,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 39 transitions, 131 flow [2021-03-25 05:28:24,314 INFO L129 PetriNetUnfolder]: 31/147 cut-off events. [2021-03-25 05:28:24,314 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2021-03-25 05:28:24,314 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 05:28:24,315 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-25 05:28:25,949 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2021-03-25 05:28:26,748 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-03-25 05:28:28,256 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 180 DAG size of output: 176 [2021-03-25 05:28:29,138 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2021-03-25 05:28:29,773 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2021-03-25 05:28:30,052 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-03-25 05:28:30,804 WARN L205 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2021-03-25 05:28:31,157 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-03-25 05:28:31,164 INFO L154 LiptonReduction]: Checked pairs total: 498 [2021-03-25 05:28:31,164 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:28:31,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6858 [2021-03-25 05:28:31,165 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-25 05:28:31,165 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 05:28:31,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:31,165 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-25 05:28:31,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 05:28:31,165 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 05:28:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash -676265951, now seen corresponding path program 1 times [2021-03-25 05:28:31,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:31,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134584660] [2021-03-25 05:28:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:31,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:28:31,201 INFO L142 QuantifierPusher]: treesize reduction -2, result has 115.4 percent of original size [2021-03-25 05:28:31,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:31,206 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 05:28:31,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134584660] [2021-03-25 05:28:31,206 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:31,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:28:31,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447914675] [2021-03-25 05:28:31,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:28:31,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:31,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:28:31,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:28:31,208 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 313 [2021-03-25 05:28:31,208 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 186.5) internal successors, (746), 4 states have internal predecessors, (746), 0 states have call successors, (0), 0 states 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 05:28:31,208 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:31,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 313 [2021-03-25 05:28:31,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:31,285 INFO L129 PetriNetUnfolder]: 268/537 cut-off events. [2021-03-25 05:28:31,285 INFO L130 PetriNetUnfolder]: For 256/262 co-relation queries the response was YES. [2021-03-25 05:28:31,286 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 375 conditions per place. [2021-03-25 05:28:31,288 INFO L132 encePairwiseOnDemand]: 305/313 looper letters, 26 selfloop transitions, 10 changer transitions 3/50 dead transitions. [2021-03-25 05:28:31,288 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 50 transitions, 259 flow [2021-03-25 05:28:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:28:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:28:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 769 transitions. [2021-03-25 05:28:31,290 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6142172523961661 [2021-03-25 05:28:31,290 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 769 transitions. [2021-03-25 05:28:31,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 769 transitions. [2021-03-25 05:28:31,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:31,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 769 transitions. [2021-03-25 05:28:31,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 192.25) internal successors, (769), 4 states have internal predecessors, (769), 0 states have call successors, (0), 0 states 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 05:28:31,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states 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 05:28:31,294 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 313.0) internal successors, (1565), 5 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states 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 05:28:31,294 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 4 states and 769 transitions. [2021-03-25 05:28:31,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 50 transitions, 259 flow [2021-03-25 05:28:31,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 05:28:31,295 INFO L241 Difference]: Finished difference. Result has 38 places, 43 transitions, 189 flow [2021-03-25 05:28:31,295 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=189, PETRI_PLACES=38, PETRI_TRANSITIONS=43} [2021-03-25 05:28:31,295 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -28 predicate places. [2021-03-25 05:28:31,296 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:31,296 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 43 transitions, 189 flow [2021-03-25 05:28:31,296 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 43 transitions, 189 flow [2021-03-25 05:28:31,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 43 transitions, 189 flow [2021-03-25 05:28:31,308 INFO L129 PetriNetUnfolder]: 74/220 cut-off events. [2021-03-25 05:28:31,308 INFO L130 PetriNetUnfolder]: For 128/130 co-relation queries the response was YES. [2021-03-25 05:28:31,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 220 events. 74/220 cut-off events. For 128/130 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1122 event pairs, 14 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 188. Up to 113 conditions per place. [2021-03-25 05:28:31,309 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-25 05:28:31,428 INFO L154 LiptonReduction]: Checked pairs total: 639 [2021-03-25 05:28:31,428 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:28:31,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 132 [2021-03-25 05:28:31,429 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 42 transitions, 187 flow [2021-03-25 05:28:31,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 186.5) internal successors, (746), 4 states have internal predecessors, (746), 0 states have call successors, (0), 0 states 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 05:28:31,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:31,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:28:31,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 05:28:31,430 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 05:28:31,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:31,430 INFO L82 PathProgramCache]: Analyzing trace with hash -934600623, now seen corresponding path program 1 times [2021-03-25 05:28:31,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:31,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082087303] [2021-03-25 05:28:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:31,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:31,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:28:31,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:31,463 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 05:28:31,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082087303] [2021-03-25 05:28:31,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:31,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:28:31,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889504972] [2021-03-25 05:28:31,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:28:31,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:31,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:28:31,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:28:31,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 315 [2021-03-25 05:28:31,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 42 transitions, 187 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 05:28:31,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:31,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 315 [2021-03-25 05:28:31,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:31,486 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 05:28:31,486 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-25 05:28:31,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92 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 82. Up to 14 conditions per place. [2021-03-25 05:28:31,486 INFO L132 encePairwiseOnDemand]: 313/315 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-25 05:28:31,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 25 transitions, 88 flow [2021-03-25 05:28:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:28:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:28:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-25 05:28:31,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2021-03-25 05:28:31,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-25 05:28:31,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-25 05:28:31,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:31,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-25 05:28:31,489 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 05:28:31,491 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 05:28:31,491 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 05:28:31,491 INFO L185 Difference]: Start difference. First operand has 37 places, 42 transitions, 187 flow. Second operand 3 states and 774 transitions. [2021-03-25 05:28:31,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 25 transitions, 88 flow [2021-03-25 05:28:31,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 79 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-25 05:28:31,493 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 77 flow [2021-03-25 05:28:31,493 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=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2021-03-25 05:28:31,493 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -36 predicate places. [2021-03-25 05:28:31,493 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:31,493 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 77 flow [2021-03-25 05:28:31,494 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 77 flow [2021-03-25 05:28:31,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 25 transitions, 77 flow [2021-03-25 05:28:31,497 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 05:28:31,497 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 05:28:31,498 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 48 events. 6/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 121 event pairs, 4 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 69. Up to 14 conditions per place. [2021-03-25 05:28:31,498 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 05:28:31,499 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-25 05:28:31,499 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:31,499 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-25 05:28:31,502 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 25 transitions, 77 flow [2021-03-25 05:28:31,502 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 05:28:31,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:31,502 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 05:28:31,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 05:28:31,502 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 05:28:31,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:31,503 INFO L82 PathProgramCache]: Analyzing trace with hash -283960145, now seen corresponding path program 1 times [2021-03-25 05:28:31,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:31,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44649979] [2021-03-25 05:28:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:31,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:31,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:31,627 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 05:28:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:28:31,634 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 05:28:31,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 05:28:31,648 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 05:28:31,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:31,655 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 05:28:31,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 05:28:31,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:31,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:31,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:31,673 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 05:28:31,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44649979] [2021-03-25 05:28:31,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:31,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:28:31,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867320696] [2021-03-25 05:28:31,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:28:31,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:31,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:28:31,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:28:31,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 315 [2021-03-25 05:28:31,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 25 transitions, 77 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 05:28:31,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:31,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 315 [2021-03-25 05:28:31,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:31,906 INFO L129 PetriNetUnfolder]: 112/275 cut-off events. [2021-03-25 05:28:31,906 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2021-03-25 05:28:31,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 275 events. 112/275 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1280 event pairs, 3 based on Foata normal form. 0/273 useless extension candidates. Maximal degree in co-relation 641. Up to 83 conditions per place. [2021-03-25 05:28:31,908 INFO L132 encePairwiseOnDemand]: 306/315 looper letters, 34 selfloop transitions, 14 changer transitions 0/54 dead transitions. [2021-03-25 05:28:31,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 54 transitions, 255 flow [2021-03-25 05:28:31,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:28:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:28:31,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1119 transitions. [2021-03-25 05:28:31,910 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.507482993197279 [2021-03-25 05:28:31,910 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1119 transitions. [2021-03-25 05:28:31,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1119 transitions. [2021-03-25 05:28:31,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:31,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1119 transitions. [2021-03-25 05:28:31,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.85714285714286) internal successors, (1119), 7 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states 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 05:28:31,915 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 05:28:31,915 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 05:28:31,915 INFO L185 Difference]: Start difference. First operand has 30 places, 25 transitions, 77 flow. Second operand 7 states and 1119 transitions. [2021-03-25 05:28:31,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 54 transitions, 255 flow [2021-03-25 05:28:31,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 54 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 05:28:31,916 INFO L241 Difference]: Finished difference. Result has 37 places, 32 transitions, 142 flow [2021-03-25 05:28:31,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=142, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2021-03-25 05:28:31,917 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -29 predicate places. [2021-03-25 05:28:31,917 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:31,917 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 32 transitions, 142 flow [2021-03-25 05:28:31,917 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 32 transitions, 142 flow [2021-03-25 05:28:31,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 32 transitions, 142 flow [2021-03-25 05:28:31,923 INFO L129 PetriNetUnfolder]: 20/111 cut-off events. [2021-03-25 05:28:31,923 INFO L130 PetriNetUnfolder]: For 54/56 co-relation queries the response was YES. [2021-03-25 05:28:31,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 111 events. 20/111 cut-off events. For 54/56 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 485 event pairs, 8 based on Foata normal form. 2/108 useless extension candidates. Maximal degree in co-relation 221. Up to 32 conditions per place. [2021-03-25 05:28:31,924 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-25 05:28:31,925 INFO L154 LiptonReduction]: Checked pairs total: 66 [2021-03-25 05:28:31,925 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:31,925 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 05:28:31,925 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 142 flow [2021-03-25 05:28:31,926 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 05:28:31,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:31,926 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 05:28:31,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 05:28:31,926 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 05:28:31,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:31,926 INFO L82 PathProgramCache]: Analyzing trace with hash -56883285, now seen corresponding path program 1 times [2021-03-25 05:28:31,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:31,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630111119] [2021-03-25 05:28:31,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:31,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 05:28:31,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:28:31,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:28:31,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:31,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:32,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:32,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:28:32,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:32,016 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 05:28:32,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630111119] [2021-03-25 05:28:32,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:32,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:28:32,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674364947] [2021-03-25 05:28:32,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:28:32,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:32,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:28:32,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:28:32,018 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 315 [2021-03-25 05:28:32,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 142 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 05:28:32,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:32,019 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 315 [2021-03-25 05:28:32,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:32,241 INFO L129 PetriNetUnfolder]: 127/298 cut-off events. [2021-03-25 05:28:32,241 INFO L130 PetriNetUnfolder]: For 233/239 co-relation queries the response was YES. [2021-03-25 05:28:32,242 INFO L84 FinitePrefix]: Finished finitePrefix Result has 851 conditions, 298 events. 127/298 cut-off events. For 233/239 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1298 event pairs, 44 based on Foata normal form. 7/304 useless extension candidates. Maximal degree in co-relation 839. Up to 208 conditions per place. [2021-03-25 05:28:32,243 INFO L132 encePairwiseOnDemand]: 308/315 looper letters, 39 selfloop transitions, 14 changer transitions 0/56 dead transitions. [2021-03-25 05:28:32,243 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 353 flow [2021-03-25 05:28:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:28:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:28:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1409 transitions. [2021-03-25 05:28:32,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5591269841269841 [2021-03-25 05:28:32,246 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1409 transitions. [2021-03-25 05:28:32,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1409 transitions. [2021-03-25 05:28:32,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:32,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1409 transitions. [2021-03-25 05:28:32,249 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 05:28:32,251 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 05:28:32,252 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 05:28:32,252 INFO L185 Difference]: Start difference. First operand has 37 places, 32 transitions, 142 flow. Second operand 8 states and 1409 transitions. [2021-03-25 05:28:32,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 353 flow [2021-03-25 05:28:32,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 56 transitions, 346 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 05:28:32,255 INFO L241 Difference]: Finished difference. Result has 46 places, 40 transitions, 242 flow [2021-03-25 05:28:32,256 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=242, PETRI_PLACES=46, PETRI_TRANSITIONS=40} [2021-03-25 05:28:32,256 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -20 predicate places. [2021-03-25 05:28:32,256 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:32,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 40 transitions, 242 flow [2021-03-25 05:28:32,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 40 transitions, 242 flow [2021-03-25 05:28:32,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 40 transitions, 242 flow [2021-03-25 05:28:32,265 INFO L129 PetriNetUnfolder]: 20/121 cut-off events. [2021-03-25 05:28:32,265 INFO L130 PetriNetUnfolder]: For 135/140 co-relation queries the response was YES. [2021-03-25 05:28:32,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 121 events. 20/121 cut-off events. For 135/140 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 580 event pairs, 8 based on Foata normal form. 3/120 useless extension candidates. Maximal degree in co-relation 292. Up to 36 conditions per place. [2021-03-25 05:28:32,266 INFO L142 LiptonReduction]: Number of co-enabled transitions 160 [2021-03-25 05:28:32,268 INFO L154 LiptonReduction]: Checked pairs total: 109 [2021-03-25 05:28:32,268 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:32,268 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 05:28:32,270 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 242 flow [2021-03-25 05:28:32,271 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 05:28:32,271 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:32,271 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 05:28:32,271 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 05:28:32,271 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 05:28:32,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:32,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1963861635, now seen corresponding path program 1 times [2021-03-25 05:28:32,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:32,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449100198] [2021-03-25 05:28:32,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:32,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:28:32,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:32,380 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size [2021-03-25 05:28:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:32,408 INFO L142 QuantifierPusher]: treesize reduction 14, result has 74.5 percent of original size [2021-03-25 05:28:32,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:32,437 INFO L142 QuantifierPusher]: treesize reduction 23, result has 70.1 percent of original size [2021-03-25 05:28:32,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 05:28:32,441 INFO L142 QuantifierPusher]: treesize reduction 25, result has 41.9 percent of original size [2021-03-25 05:28:32,441 INFO L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-03-25 05:28:32,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:32,443 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 05:28:32,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449100198] [2021-03-25 05:28:32,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:32,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:28:32,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189655671] [2021-03-25 05:28:32,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:28:32,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:32,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:28:32,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:28:32,445 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 315 [2021-03-25 05:28:32,446 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 249.66666666666666) internal successors, (1498), 6 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states 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 05:28:32,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:32,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 315 [2021-03-25 05:28:32,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:32,577 INFO L129 PetriNetUnfolder]: 56/219 cut-off events. [2021-03-25 05:28:32,577 INFO L130 PetriNetUnfolder]: For 418/441 co-relation queries the response was YES. [2021-03-25 05:28:32,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 219 events. 56/219 cut-off events. For 418/441 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1151 event pairs, 11 based on Foata normal form. 19/232 useless extension candidates. Maximal degree in co-relation 647. Up to 61 conditions per place. [2021-03-25 05:28:32,578 INFO L132 encePairwiseOnDemand]: 308/315 looper letters, 26 selfloop transitions, 8 changer transitions 0/56 dead transitions. [2021-03-25 05:28:32,578 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 56 transitions, 406 flow [2021-03-25 05:28:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:28:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:28:32,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1510 transitions. [2021-03-25 05:28:32,581 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.798941798941799 [2021-03-25 05:28:32,581 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1510 transitions. [2021-03-25 05:28:32,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1510 transitions. [2021-03-25 05:28:32,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:32,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1510 transitions. [2021-03-25 05:28:32,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.66666666666666) internal successors, (1510), 6 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states 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 05:28:32,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states 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 05:28:32,586 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states 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 05:28:32,586 INFO L185 Difference]: Start difference. First operand has 46 places, 40 transitions, 242 flow. Second operand 6 states and 1510 transitions. [2021-03-25 05:28:32,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 56 transitions, 406 flow [2021-03-25 05:28:32,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 56 transitions, 378 flow, removed 14 selfloop flow, removed 0 redundant places. [2021-03-25 05:28:32,588 INFO L241 Difference]: Finished difference. Result has 53 places, 45 transitions, 282 flow [2021-03-25 05:28:32,588 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=282, PETRI_PLACES=53, PETRI_TRANSITIONS=45} [2021-03-25 05:28:32,588 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -13 predicate places. [2021-03-25 05:28:32,588 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:32,588 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 45 transitions, 282 flow [2021-03-25 05:28:32,588 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 45 transitions, 282 flow [2021-03-25 05:28:32,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 282 flow [2021-03-25 05:28:32,598 INFO L129 PetriNetUnfolder]: 34/177 cut-off events. [2021-03-25 05:28:32,598 INFO L130 PetriNetUnfolder]: For 155/159 co-relation queries the response was YES. [2021-03-25 05:28:32,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 177 events. 34/177 cut-off events. For 155/159 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 929 event pairs, 9 based on Foata normal form. 2/178 useless extension candidates. Maximal degree in co-relation 469. Up to 43 conditions per place. [2021-03-25 05:28:32,599 INFO L142 LiptonReduction]: Number of co-enabled transitions 170 [2021-03-25 05:28:32,602 INFO L154 LiptonReduction]: Checked pairs total: 41 [2021-03-25 05:28:32,602 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:32,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 05:28:32,602 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 45 transitions, 282 flow [2021-03-25 05:28:32,603 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 249.66666666666666) internal successors, (1498), 6 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states 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 05:28:32,603 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:32,603 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 05:28:32,603 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 05:28:32,603 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 05:28:32,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:32,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1298234269, now seen corresponding path program 2 times [2021-03-25 05:28:32,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:32,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063520594] [2021-03-25 05:28:32,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:32,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:32,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:28:32,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:32,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:32,736 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 05:28:32,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:28:32,744 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-03-25 05:28:32,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 05:28:32,754 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-03-25 05:28:32,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:32,761 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 05:28:32,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:32,774 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:32,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:32,782 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:32,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:32,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:32,799 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 05:28:32,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063520594] [2021-03-25 05:28:32,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:32,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:28:32,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320267371] [2021-03-25 05:28:32,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:28:32,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:32,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:28:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:28:32,801 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 315 [2021-03-25 05:28:32,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 45 transitions, 282 flow. Second operand has 9 states, 9 states have (on average 151.88888888888889) internal successors, (1367), 9 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states 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 05:28:32,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:32,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 315 [2021-03-25 05:28:32,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:33,078 INFO L129 PetriNetUnfolder]: 207/535 cut-off events. [2021-03-25 05:28:33,078 INFO L130 PetriNetUnfolder]: For 764/764 co-relation queries the response was YES. [2021-03-25 05:28:33,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 535 events. 207/535 cut-off events. For 764/764 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3036 event pairs, 27 based on Foata normal form. 0/533 useless extension candidates. Maximal degree in co-relation 1839. Up to 165 conditions per place. [2021-03-25 05:28:33,081 INFO L132 encePairwiseOnDemand]: 305/315 looper letters, 57 selfloop transitions, 24 changer transitions 0/88 dead transitions. [2021-03-25 05:28:33,081 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 88 transitions, 674 flow [2021-03-25 05:28:33,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:28:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:28:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1252 transitions. [2021-03-25 05:28:33,084 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49682539682539684 [2021-03-25 05:28:33,084 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1252 transitions. [2021-03-25 05:28:33,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1252 transitions. [2021-03-25 05:28:33,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:33,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1252 transitions. [2021-03-25 05:28:33,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.5) internal successors, (1252), 8 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 05:28:33,089 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 05:28:33,090 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 05:28:33,090 INFO L185 Difference]: Start difference. First operand has 53 places, 45 transitions, 282 flow. Second operand 8 states and 1252 transitions. [2021-03-25 05:28:33,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 88 transitions, 674 flow [2021-03-25 05:28:33,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 88 transitions, 671 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:28:33,096 INFO L241 Difference]: Finished difference. Result has 60 places, 56 transitions, 419 flow [2021-03-25 05:28:33,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=279, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=419, PETRI_PLACES=60, PETRI_TRANSITIONS=56} [2021-03-25 05:28:33,096 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -6 predicate places. [2021-03-25 05:28:33,097 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:33,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 56 transitions, 419 flow [2021-03-25 05:28:33,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 56 transitions, 419 flow [2021-03-25 05:28:33,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 419 flow [2021-03-25 05:28:33,113 INFO L129 PetriNetUnfolder]: 55/268 cut-off events. [2021-03-25 05:28:33,113 INFO L130 PetriNetUnfolder]: For 444/450 co-relation queries the response was YES. [2021-03-25 05:28:33,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 268 events. 55/268 cut-off events. For 444/450 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1704 event pairs, 9 based on Foata normal form. 3/268 useless extension candidates. Maximal degree in co-relation 847. Up to 74 conditions per place. [2021-03-25 05:28:33,115 INFO L142 LiptonReduction]: Number of co-enabled transitions 198 [2021-03-25 05:28:33,120 INFO L154 LiptonReduction]: Checked pairs total: 175 [2021-03-25 05:28:33,120 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:33,121 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-03-25 05:28:33,121 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 419 flow [2021-03-25 05:28:33,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 151.88888888888889) internal successors, (1367), 9 states have internal predecessors, (1367), 0 states have call successors, (0), 0 states 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 05:28:33,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:33,122 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 05:28:33,122 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 05:28:33,122 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 05:28:33,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:33,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1842421649, now seen corresponding path program 3 times [2021-03-25 05:28:33,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:33,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198861814] [2021-03-25 05:28:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:33,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:28:33,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:33,242 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-25 05:28:33,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:28:33,252 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:33,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:33,263 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 05:28:33,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:33,274 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:33,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:33,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,286 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 05:28:33,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198861814] [2021-03-25 05:28:33,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:33,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:28:33,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906712570] [2021-03-25 05:28:33,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:28:33,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:33,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:28:33,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:28:33,288 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 315 [2021-03-25 05:28:33,289 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 419 flow. Second operand has 9 states, 9 states have (on average 152.88888888888889) internal successors, (1376), 9 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states 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 05:28:33,289 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:33,289 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 315 [2021-03-25 05:28:33,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:33,567 INFO L129 PetriNetUnfolder]: 273/738 cut-off events. [2021-03-25 05:28:33,567 INFO L130 PetriNetUnfolder]: For 1726/1734 co-relation queries the response was YES. [2021-03-25 05:28:33,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2884 conditions, 738 events. 273/738 cut-off events. For 1726/1734 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4767 event pairs, 62 based on Foata normal form. 2/736 useless extension candidates. Maximal degree in co-relation 2861. Up to 349 conditions per place. [2021-03-25 05:28:33,571 INFO L132 encePairwiseOnDemand]: 306/315 looper letters, 69 selfloop transitions, 28 changer transitions 0/104 dead transitions. [2021-03-25 05:28:33,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 104 transitions, 911 flow [2021-03-25 05:28:33,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:28:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:28:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1262 transitions. [2021-03-25 05:28:33,574 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5007936507936508 [2021-03-25 05:28:33,574 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1262 transitions. [2021-03-25 05:28:33,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1262 transitions. [2021-03-25 05:28:33,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:33,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1262 transitions. [2021-03-25 05:28:33,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 157.75) internal successors, (1262), 8 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states 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 05:28:33,579 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 05:28:33,580 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 05:28:33,580 INFO L185 Difference]: Start difference. First operand has 60 places, 56 transitions, 419 flow. Second operand 8 states and 1262 transitions. [2021-03-25 05:28:33,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 104 transitions, 911 flow [2021-03-25 05:28:33,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 104 transitions, 886 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 05:28:33,584 INFO L241 Difference]: Finished difference. Result has 66 places, 64 transitions, 538 flow [2021-03-25 05:28:33,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=538, PETRI_PLACES=66, PETRI_TRANSITIONS=64} [2021-03-25 05:28:33,585 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 0 predicate places. [2021-03-25 05:28:33,585 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:33,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 64 transitions, 538 flow [2021-03-25 05:28:33,585 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 64 transitions, 538 flow [2021-03-25 05:28:33,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 538 flow [2021-03-25 05:28:33,633 INFO L129 PetriNetUnfolder]: 80/389 cut-off events. [2021-03-25 05:28:33,633 INFO L130 PetriNetUnfolder]: For 949/972 co-relation queries the response was YES. [2021-03-25 05:28:33,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1328 conditions, 389 events. 80/389 cut-off events. For 949/972 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2834 event pairs, 15 based on Foata normal form. 16/401 useless extension candidates. Maximal degree in co-relation 1304. Up to 104 conditions per place. [2021-03-25 05:28:33,636 INFO L142 LiptonReduction]: Number of co-enabled transitions 220 [2021-03-25 05:28:33,644 INFO L154 LiptonReduction]: Checked pairs total: 164 [2021-03-25 05:28:33,644 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:33,644 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-25 05:28:33,644 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 538 flow [2021-03-25 05:28:33,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 152.88888888888889) internal successors, (1376), 9 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states 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 05:28:33,645 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:33,645 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 05:28:33,645 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 05:28:33,645 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 05:28:33,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:33,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1702560643, now seen corresponding path program 4 times [2021-03-25 05:28:33,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:33,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903677104] [2021-03-25 05:28:33,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:33,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:28:33,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,741 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 05:28:33,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:28:33,748 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-25 05:28:33,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:28:33,756 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:33,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:33,768 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 05:28:33,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:33,777 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:33,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:33,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:33,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:33,787 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 05:28:33,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903677104] [2021-03-25 05:28:33,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:33,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:28:33,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271841269] [2021-03-25 05:28:33,788 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:28:33,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:33,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:28:33,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:28:33,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 315 [2021-03-25 05:28:33,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 538 flow. Second operand has 9 states, 9 states have (on average 152.88888888888889) internal successors, (1376), 9 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states 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 05:28:33,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:33,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 315 [2021-03-25 05:28:33,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:34,029 INFO L129 PetriNetUnfolder]: 275/760 cut-off events. [2021-03-25 05:28:34,029 INFO L130 PetriNetUnfolder]: For 2576/2582 co-relation queries the response was YES. [2021-03-25 05:28:34,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3150 conditions, 760 events. 275/760 cut-off events. For 2576/2582 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5004 event pairs, 69 based on Foata normal form. 4/757 useless extension candidates. Maximal degree in co-relation 3124. Up to 264 conditions per place. [2021-03-25 05:28:34,033 INFO L132 encePairwiseOnDemand]: 306/315 looper letters, 68 selfloop transitions, 29 changer transitions 0/104 dead transitions. [2021-03-25 05:28:34,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 104 transitions, 1002 flow [2021-03-25 05:28:34,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:28:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:28:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1260 transitions. [2021-03-25 05:28:34,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-03-25 05:28:34,036 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1260 transitions. [2021-03-25 05:28:34,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1260 transitions. [2021-03-25 05:28:34,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:34,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1260 transitions. [2021-03-25 05:28:34,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 157.5) internal successors, (1260), 8 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 05:28:34,041 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 05:28:34,050 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 05:28:34,050 INFO L185 Difference]: Start difference. First operand has 66 places, 64 transitions, 538 flow. Second operand 8 states and 1260 transitions. [2021-03-25 05:28:34,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 104 transitions, 1002 flow [2021-03-25 05:28:34,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 104 transitions, 966 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-25 05:28:34,055 INFO L241 Difference]: Finished difference. Result has 72 places, 68 transitions, 645 flow [2021-03-25 05:28:34,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=645, PETRI_PLACES=72, PETRI_TRANSITIONS=68} [2021-03-25 05:28:34,056 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 6 predicate places. [2021-03-25 05:28:34,056 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:34,056 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 68 transitions, 645 flow [2021-03-25 05:28:34,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 68 transitions, 645 flow [2021-03-25 05:28:34,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 68 transitions, 645 flow [2021-03-25 05:28:34,080 INFO L129 PetriNetUnfolder]: 77/400 cut-off events. [2021-03-25 05:28:34,080 INFO L130 PetriNetUnfolder]: For 1255/1273 co-relation queries the response was YES. [2021-03-25 05:28:34,081 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1451 conditions, 400 events. 77/400 cut-off events. For 1255/1273 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2974 event pairs, 15 based on Foata normal form. 10/407 useless extension candidates. Maximal degree in co-relation 1424. Up to 105 conditions per place. [2021-03-25 05:28:34,083 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-25 05:28:34,095 INFO L154 LiptonReduction]: Checked pairs total: 213 [2021-03-25 05:28:34,095 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:34,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-25 05:28:34,096 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 68 transitions, 645 flow [2021-03-25 05:28:34,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 152.88888888888889) internal successors, (1376), 9 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states 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 05:28:34,097 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:34,097 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 05:28:34,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 05:28:34,097 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 05:28:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:34,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1063673177, now seen corresponding path program 2 times [2021-03-25 05:28:34,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:34,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999075805] [2021-03-25 05:28:34,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:34,190 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:34,198 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:34,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:34,212 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.2 percent of original size [2021-03-25 05:28:34,212 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:34,239 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:34,239 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:34,266 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:34,266 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:34,295 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.6 percent of original size [2021-03-25 05:28:34,297 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-25 05:28:34,328 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.6 percent of original size [2021-03-25 05:28:34,329 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.2 percent of original size 32 [2021-03-25 05:28:34,337 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-03-25 05:28:34,337 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-03-25 05:28:34,365 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-03-25 05:28:34,366 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:34,401 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:28:34,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:34,426 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-25 05:28:34,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:34,463 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-03-25 05:28:34,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:34,476 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 05:28:34,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:34,535 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-25 05:28:34,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:28:34,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:34,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:34,583 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 05:28:34,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999075805] [2021-03-25 05:28:34,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:34,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 05:28:34,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493741449] [2021-03-25 05:28:34,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 05:28:34,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:34,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 05:28:34,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-03-25 05:28:34,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 315 [2021-03-25 05:28:34,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 645 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 05:28:34,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:34,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 315 [2021-03-25 05:28:34,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:35,418 INFO L129 PetriNetUnfolder]: 350/896 cut-off events. [2021-03-25 05:28:35,418 INFO L130 PetriNetUnfolder]: For 3780/3785 co-relation queries the response was YES. [2021-03-25 05:28:35,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3935 conditions, 896 events. 350/896 cut-off events. For 3780/3785 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5909 event pairs, 132 based on Foata normal form. 2/889 useless extension candidates. Maximal degree in co-relation 3906. Up to 704 conditions per place. [2021-03-25 05:28:35,423 INFO L132 encePairwiseOnDemand]: 303/315 looper letters, 75 selfloop transitions, 15 changer transitions 26/120 dead transitions. [2021-03-25 05:28:35,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 120 transitions, 1340 flow [2021-03-25 05:28:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:35,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1724 transitions. [2021-03-25 05:28:35,427 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4560846560846561 [2021-03-25 05:28:35,427 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1724 transitions. [2021-03-25 05:28:35,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1724 transitions. [2021-03-25 05:28:35,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:35,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1724 transitions. [2021-03-25 05:28:35,432 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 05:28:35,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 315.0) internal successors, (4095), 13 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states 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 05:28:35,436 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 315.0) internal successors, (4095), 13 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states 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 05:28:35,436 INFO L185 Difference]: Start difference. First operand has 72 places, 68 transitions, 645 flow. Second operand 12 states and 1724 transitions. [2021-03-25 05:28:35,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 120 transitions, 1340 flow [2021-03-25 05:28:35,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 120 transitions, 1301 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-25 05:28:35,444 INFO L241 Difference]: Finished difference. Result has 87 places, 79 transitions, 813 flow [2021-03-25 05:28:35,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=617, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=813, PETRI_PLACES=87, PETRI_TRANSITIONS=79} [2021-03-25 05:28:35,444 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 21 predicate places. [2021-03-25 05:28:35,444 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:35,444 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 79 transitions, 813 flow [2021-03-25 05:28:35,444 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 79 transitions, 813 flow [2021-03-25 05:28:35,445 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 79 transitions, 813 flow [2021-03-25 05:28:35,472 INFO L129 PetriNetUnfolder]: 79/409 cut-off events. [2021-03-25 05:28:35,472 INFO L130 PetriNetUnfolder]: For 1460/1476 co-relation queries the response was YES. [2021-03-25 05:28:35,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1614 conditions, 409 events. 79/409 cut-off events. For 1460/1476 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3062 event pairs, 12 based on Foata normal form. 8/413 useless extension candidates. Maximal degree in co-relation 1579. Up to 109 conditions per place. [2021-03-25 05:28:35,475 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-25 05:28:35,481 INFO L154 LiptonReduction]: Checked pairs total: 334 [2021-03-25 05:28:35,481 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:35,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 38 [2021-03-25 05:28:35,483 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 79 transitions, 813 flow [2021-03-25 05:28:35,483 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 05:28:35,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:35,483 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 05:28:35,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 05:28:35,483 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 05:28:35,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:35,484 INFO L82 PathProgramCache]: Analyzing trace with hash 308996781, now seen corresponding path program 3 times [2021-03-25 05:28:35,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:35,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657974309] [2021-03-25 05:28:35,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:35,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:35,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:28:35,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:35,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:28:35,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:35,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:28:35,563 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-25 05:28:35,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:28:35,590 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-25 05:28:35,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:35,591 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 05:28:35,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:35,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:35,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:35,593 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 05:28:35,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657974309] [2021-03-25 05:28:35,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:35,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:28:35,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662029858] [2021-03-25 05:28:35,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:28:35,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:35,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:28:35,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:28:35,595 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 315 [2021-03-25 05:28:35,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 813 flow. Second operand has 6 states, 6 states have (on average 249.66666666666666) internal successors, (1498), 6 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states 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 05:28:35,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:35,596 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 315 [2021-03-25 05:28:35,596 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:35,732 INFO L129 PetriNetUnfolder]: 111/546 cut-off events. [2021-03-25 05:28:35,732 INFO L130 PetriNetUnfolder]: For 2246/2302 co-relation queries the response was YES. [2021-03-25 05:28:35,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2316 conditions, 546 events. 111/546 cut-off events. For 2246/2302 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4375 event pairs, 11 based on Foata normal form. 42/582 useless extension candidates. Maximal degree in co-relation 2279. Up to 151 conditions per place. [2021-03-25 05:28:35,735 INFO L132 encePairwiseOnDemand]: 308/315 looper letters, 28 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2021-03-25 05:28:35,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 90 transitions, 992 flow [2021-03-25 05:28:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:28:35,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:28:35,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1506 transitions. [2021-03-25 05:28:35,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7968253968253968 [2021-03-25 05:28:35,738 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1506 transitions. [2021-03-25 05:28:35,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1506 transitions. [2021-03-25 05:28:35,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:35,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1506 transitions. [2021-03-25 05:28:35,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.0) internal successors, (1506), 6 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states 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 05:28:35,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states 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 05:28:35,742 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states 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 05:28:35,742 INFO L185 Difference]: Start difference. First operand has 82 places, 79 transitions, 813 flow. Second operand 6 states and 1506 transitions. [2021-03-25 05:28:35,742 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 90 transitions, 992 flow [2021-03-25 05:28:35,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 90 transitions, 925 flow, removed 30 selfloop flow, removed 6 redundant places. [2021-03-25 05:28:35,749 INFO L241 Difference]: Finished difference. Result has 82 places, 81 transitions, 806 flow [2021-03-25 05:28:35,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=806, PETRI_PLACES=82, PETRI_TRANSITIONS=81} [2021-03-25 05:28:35,749 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 16 predicate places. [2021-03-25 05:28:35,749 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:35,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 81 transitions, 806 flow [2021-03-25 05:28:35,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 81 transitions, 806 flow [2021-03-25 05:28:35,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 806 flow [2021-03-25 05:28:35,780 INFO L129 PetriNetUnfolder]: 87/463 cut-off events. [2021-03-25 05:28:35,781 INFO L130 PetriNetUnfolder]: For 1526/1565 co-relation queries the response was YES. [2021-03-25 05:28:35,782 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1825 conditions, 463 events. 87/463 cut-off events. For 1526/1565 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3603 event pairs, 13 based on Foata normal form. 28/488 useless extension candidates. Maximal degree in co-relation 1793. Up to 117 conditions per place. [2021-03-25 05:28:35,784 INFO L142 LiptonReduction]: Number of co-enabled transitions 226 [2021-03-25 05:28:35,792 INFO L154 LiptonReduction]: Checked pairs total: 289 [2021-03-25 05:28:35,792 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:35,792 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43 [2021-03-25 05:28:35,792 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 81 transitions, 806 flow [2021-03-25 05:28:35,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 249.66666666666666) internal successors, (1498), 6 states have internal predecessors, (1498), 0 states have call successors, (0), 0 states 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 05:28:35,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:35,794 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 05:28:35,794 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 05:28:35,794 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 05:28:35,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:35,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1923326141, now seen corresponding path program 4 times [2021-03-25 05:28:35,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:35,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145601193] [2021-03-25 05:28:35,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:35,879 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:35,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:35,887 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:35,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:35,899 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.2 percent of original size [2021-03-25 05:28:35,899 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:35,926 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:35,926 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:35,953 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:35,954 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:35,982 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:35,983 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:35,990 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:35,991 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:36,019 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-03-25 05:28:36,020 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-03-25 05:28:36,049 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-03-25 05:28:36,050 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:36,084 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:28:36,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:36,102 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-25 05:28:36,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:36,142 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-03-25 05:28:36,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:36,161 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 05:28:36,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:36,199 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-25 05:28:36,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:28:36,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:36,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:36,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:36,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:36,251 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 05:28:36,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145601193] [2021-03-25 05:28:36,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:36,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 05:28:36,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158244198] [2021-03-25 05:28:36,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 05:28:36,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:36,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 05:28:36,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-03-25 05:28:36,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 315 [2021-03-25 05:28:36,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 81 transitions, 806 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 05:28:36,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:36,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 315 [2021-03-25 05:28:36,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:37,088 INFO L129 PetriNetUnfolder]: 364/954 cut-off events. [2021-03-25 05:28:37,088 INFO L130 PetriNetUnfolder]: For 3976/3977 co-relation queries the response was YES. [2021-03-25 05:28:37,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4511 conditions, 954 events. 364/954 cut-off events. For 3976/3977 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6523 event pairs, 164 based on Foata normal form. 2/950 useless extension candidates. Maximal degree in co-relation 4477. Up to 797 conditions per place. [2021-03-25 05:28:37,094 INFO L132 encePairwiseOnDemand]: 303/315 looper letters, 77 selfloop transitions, 16 changer transitions 17/114 dead transitions. [2021-03-25 05:28:37,094 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 114 transitions, 1310 flow [2021-03-25 05:28:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1723 transitions. [2021-03-25 05:28:37,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45582010582010585 [2021-03-25 05:28:37,097 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1723 transitions. [2021-03-25 05:28:37,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1723 transitions. [2021-03-25 05:28:37,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:37,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1723 transitions. [2021-03-25 05:28:37,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.58333333333334) internal successors, (1723), 12 states have internal predecessors, (1723), 0 states have call successors, (0), 0 states 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 05:28:37,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 315.0) internal successors, (4095), 13 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states 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 05:28:37,104 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 315.0) internal successors, (4095), 13 states have internal predecessors, (4095), 0 states have call successors, (0), 0 states 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 05:28:37,104 INFO L185 Difference]: Start difference. First operand has 82 places, 81 transitions, 806 flow. Second operand 12 states and 1723 transitions. [2021-03-25 05:28:37,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 114 transitions, 1310 flow [2021-03-25 05:28:37,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 114 transitions, 1283 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 05:28:37,113 INFO L241 Difference]: Finished difference. Result has 95 places, 83 transitions, 847 flow [2021-03-25 05:28:37,113 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=785, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=847, PETRI_PLACES=95, PETRI_TRANSITIONS=83} [2021-03-25 05:28:37,113 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 29 predicate places. [2021-03-25 05:28:37,113 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:37,113 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 83 transitions, 847 flow [2021-03-25 05:28:37,113 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 83 transitions, 847 flow [2021-03-25 05:28:37,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 83 transitions, 847 flow [2021-03-25 05:28:37,146 INFO L129 PetriNetUnfolder]: 86/457 cut-off events. [2021-03-25 05:28:37,146 INFO L130 PetriNetUnfolder]: For 1646/1678 co-relation queries the response was YES. [2021-03-25 05:28:37,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1862 conditions, 457 events. 86/457 cut-off events. For 1646/1678 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3553 event pairs, 11 based on Foata normal form. 24/479 useless extension candidates. Maximal degree in co-relation 1824. Up to 116 conditions per place. [2021-03-25 05:28:37,150 INFO L142 LiptonReduction]: Number of co-enabled transitions 224 [2021-03-25 05:28:37,197 INFO L154 LiptonReduction]: Checked pairs total: 420 [2021-03-25 05:28:37,197 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:28:37,197 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-25 05:28:37,197 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 82 transitions, 843 flow [2021-03-25 05:28:37,198 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 05:28:37,198 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:37,198 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 05:28:37,198 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 05:28:37,198 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 05:28:37,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:37,198 INFO L82 PathProgramCache]: Analyzing trace with hash 906626719, now seen corresponding path program 5 times [2021-03-25 05:28:37,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:37,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978602774] [2021-03-25 05:28:37,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:37,283 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:28:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:37,293 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:28:37,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:37,307 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:37,321 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:37,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:37,340 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-25 05:28:37,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:37,357 INFO L142 QuantifierPusher]: treesize reduction 30, result has 66.7 percent of original size [2021-03-25 05:28:37,358 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.0 percent of original size 54 [2021-03-25 05:28:37,400 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-03-25 05:28:37,400 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-25 05:28:37,411 INFO L142 QuantifierPusher]: treesize reduction 30, result has 62.0 percent of original size [2021-03-25 05:28:37,412 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-25 05:28:37,448 INFO L142 QuantifierPusher]: treesize reduction 30, result has 68.1 percent of original size [2021-03-25 05:28:37,448 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-25 05:28:37,490 INFO L142 QuantifierPusher]: treesize reduction 8, result has 79.5 percent of original size [2021-03-25 05:28:37,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:37,508 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-25 05:28:37,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:37,528 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:28:37,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:37,556 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:28:37,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:37,583 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:28:37,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:28:37,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:37,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:37,619 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 05:28:37,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978602774] [2021-03-25 05:28:37,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:37,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-25 05:28:37,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617756841] [2021-03-25 05:28:37,619 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-25 05:28:37,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:37,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-25 05:28:37,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-03-25 05:28:37,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 316 [2021-03-25 05:28:37,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 82 transitions, 843 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 05:28:37,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:37,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 316 [2021-03-25 05:28:37,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:38,533 INFO L129 PetriNetUnfolder]: 408/1069 cut-off events. [2021-03-25 05:28:38,534 INFO L130 PetriNetUnfolder]: For 4967/4967 co-relation queries the response was YES. [2021-03-25 05:28:38,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5204 conditions, 1069 events. 408/1069 cut-off events. For 4967/4967 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7588 event pairs, 203 based on Foata normal form. 2/1066 useless extension candidates. Maximal degree in co-relation 5164. Up to 845 conditions per place. [2021-03-25 05:28:38,542 INFO L132 encePairwiseOnDemand]: 302/316 looper letters, 84 selfloop transitions, 28 changer transitions 20/136 dead transitions. [2021-03-25 05:28:38,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 136 transitions, 1602 flow [2021-03-25 05:28:38,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 05:28:38,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 05:28:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1875 transitions. [2021-03-25 05:28:38,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45642648490749754 [2021-03-25 05:28:38,546 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1875 transitions. [2021-03-25 05:28:38,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1875 transitions. [2021-03-25 05:28:38,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:38,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1875 transitions. [2021-03-25 05:28:38,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 144.23076923076923) internal successors, (1875), 13 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states 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 05:28:38,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 316.0) internal successors, (4424), 14 states have internal predecessors, (4424), 0 states have call successors, (0), 0 states 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 05:28:38,552 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 316.0) internal successors, (4424), 14 states have internal predecessors, (4424), 0 states have call successors, (0), 0 states 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 05:28:38,552 INFO L185 Difference]: Start difference. First operand has 89 places, 82 transitions, 843 flow. Second operand 13 states and 1875 transitions. [2021-03-25 05:28:38,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 136 transitions, 1602 flow [2021-03-25 05:28:38,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 136 transitions, 1522 flow, removed 16 selfloop flow, removed 11 redundant places. [2021-03-25 05:28:38,563 INFO L241 Difference]: Finished difference. Result has 99 places, 98 transitions, 1086 flow [2021-03-25 05:28:38,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1086, PETRI_PLACES=99, PETRI_TRANSITIONS=98} [2021-03-25 05:28:38,563 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 33 predicate places. [2021-03-25 05:28:38,564 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:38,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 98 transitions, 1086 flow [2021-03-25 05:28:38,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 98 transitions, 1086 flow [2021-03-25 05:28:38,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 98 transitions, 1086 flow [2021-03-25 05:28:38,597 INFO L129 PetriNetUnfolder]: 99/503 cut-off events. [2021-03-25 05:28:38,597 INFO L130 PetriNetUnfolder]: For 2115/2159 co-relation queries the response was YES. [2021-03-25 05:28:38,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2179 conditions, 503 events. 99/503 cut-off events. For 2115/2159 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3978 event pairs, 10 based on Foata normal form. 31/529 useless extension candidates. Maximal degree in co-relation 2138. Up to 133 conditions per place. [2021-03-25 05:28:38,601 INFO L142 LiptonReduction]: Number of co-enabled transitions 234 [2021-03-25 05:28:38,648 INFO L154 LiptonReduction]: Checked pairs total: 625 [2021-03-25 05:28:38,648 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:28:38,648 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 84 [2021-03-25 05:28:38,648 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 98 transitions, 1090 flow [2021-03-25 05:28:38,649 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 05:28:38,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:38,649 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 05:28:38,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 05:28:38,649 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 05:28:38,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:38,649 INFO L82 PathProgramCache]: Analyzing trace with hash 106074951, now seen corresponding path program 1 times [2021-03-25 05:28:38,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:38,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855469627] [2021-03-25 05:28:38,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:38,702 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:38,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:38,710 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:38,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:38,722 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.2 percent of original size [2021-03-25 05:28:38,723 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:38,749 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:38,749 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:38,777 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:38,777 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:38,805 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:38,806 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:38,812 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:38,816 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:38,847 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-03-25 05:28:38,850 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:38,880 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:28:38,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:38,896 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-25 05:28:38,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:38,928 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-03-25 05:28:38,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:38,939 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 05:28:38,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:38,980 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-03-25 05:28:38,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:28:39,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:39,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:39,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:39,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:39,024 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 05:28:39,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855469627] [2021-03-25 05:28:39,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:39,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:39,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030463587] [2021-03-25 05:28:39,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:39,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:39,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:39,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:39,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 317 [2021-03-25 05:28:39,027 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 98 transitions, 1090 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 05:28:39,027 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:39,027 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 317 [2021-03-25 05:28:39,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:39,707 INFO L129 PetriNetUnfolder]: 409/1078 cut-off events. [2021-03-25 05:28:39,708 INFO L130 PetriNetUnfolder]: For 5374/5375 co-relation queries the response was YES. [2021-03-25 05:28:39,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5389 conditions, 1078 events. 409/1078 cut-off events. For 5374/5375 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 7711 event pairs, 172 based on Foata normal form. 2/1073 useless extension candidates. Maximal degree in co-relation 5346. Up to 873 conditions per place. [2021-03-25 05:28:39,714 INFO L132 encePairwiseOnDemand]: 304/317 looper letters, 94 selfloop transitions, 26 changer transitions 14/138 dead transitions. [2021-03-25 05:28:39,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 138 transitions, 1746 flow [2021-03-25 05:28:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:39,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1602 transitions. [2021-03-25 05:28:39,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4594207054774878 [2021-03-25 05:28:39,716 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1602 transitions. [2021-03-25 05:28:39,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1602 transitions. [2021-03-25 05:28:39,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:39,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1602 transitions. [2021-03-25 05:28:39,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.63636363636363) internal successors, (1602), 11 states have internal predecessors, (1602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:28:39,721 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 05:28:39,721 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 05:28:39,721 INFO L185 Difference]: Start difference. First operand has 96 places, 98 transitions, 1090 flow. Second operand 11 states and 1602 transitions. [2021-03-25 05:28:39,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 138 transitions, 1746 flow [2021-03-25 05:28:39,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 138 transitions, 1683 flow, removed 28 selfloop flow, removed 5 redundant places. [2021-03-25 05:28:39,734 INFO L241 Difference]: Finished difference. Result has 106 places, 102 transitions, 1165 flow [2021-03-25 05:28:39,734 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1039, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1165, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2021-03-25 05:28:39,734 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 40 predicate places. [2021-03-25 05:28:39,734 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:39,734 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 102 transitions, 1165 flow [2021-03-25 05:28:39,734 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 102 transitions, 1165 flow [2021-03-25 05:28:39,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 102 transitions, 1165 flow [2021-03-25 05:28:39,771 INFO L129 PetriNetUnfolder]: 100/526 cut-off events. [2021-03-25 05:28:39,771 INFO L130 PetriNetUnfolder]: For 2461/2511 co-relation queries the response was YES. [2021-03-25 05:28:39,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2325 conditions, 526 events. 100/526 cut-off events. For 2461/2511 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4263 event pairs, 9 based on Foata normal form. 32/553 useless extension candidates. Maximal degree in co-relation 2282. Up to 133 conditions per place. [2021-03-25 05:28:39,776 INFO L142 LiptonReduction]: Number of co-enabled transitions 244 [2021-03-25 05:28:39,788 INFO L154 LiptonReduction]: Checked pairs total: 292 [2021-03-25 05:28:39,788 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:39,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-25 05:28:39,789 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 102 transitions, 1165 flow [2021-03-25 05:28:39,789 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 05:28:39,789 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:39,790 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 05:28:39,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 05:28:39,790 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 05:28:39,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:39,790 INFO L82 PathProgramCache]: Analyzing trace with hash -850223093, now seen corresponding path program 2 times [2021-03-25 05:28:39,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:39,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303701644] [2021-03-25 05:28:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:39,862 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:39,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:39,870 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:39,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:39,880 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 05:28:39,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:39,895 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:39,897 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:39,922 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:39,922 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:39,951 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:39,951 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:39,958 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:39,959 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:39,989 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:39,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:40,006 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:40,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:40,041 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-25 05:28:40,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 05:28:40,079 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-03-25 05:28:40,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:28:40,097 INFO L142 QuantifierPusher]: treesize reduction 40, result has 53.5 percent of original size [2021-03-25 05:28:40,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:28:40,135 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-25 05:28:40,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:40,181 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 05:28:40,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303701644] [2021-03-25 05:28:40,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:40,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:40,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010940737] [2021-03-25 05:28:40,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:40,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:40,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:40,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:40,183 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 317 [2021-03-25 05:28:40,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 102 transitions, 1165 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 05:28:40,184 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:40,184 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 317 [2021-03-25 05:28:40,184 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:40,913 INFO L129 PetriNetUnfolder]: 401/1065 cut-off events. [2021-03-25 05:28:40,913 INFO L130 PetriNetUnfolder]: For 5958/5965 co-relation queries the response was YES. [2021-03-25 05:28:40,917 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5456 conditions, 1065 events. 401/1065 cut-off events. For 5958/5965 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7612 event pairs, 176 based on Foata normal form. 3/1061 useless extension candidates. Maximal degree in co-relation 5411. Up to 868 conditions per place. [2021-03-25 05:28:40,920 INFO L132 encePairwiseOnDemand]: 304/317 looper letters, 90 selfloop transitions, 26 changer transitions 12/132 dead transitions. [2021-03-25 05:28:40,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 132 transitions, 1708 flow [2021-03-25 05:28:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1596 transitions. [2021-03-25 05:28:40,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4577000286779467 [2021-03-25 05:28:40,922 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1596 transitions. [2021-03-25 05:28:40,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1596 transitions. [2021-03-25 05:28:40,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:40,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1596 transitions. [2021-03-25 05:28:40,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 145.0909090909091) internal successors, (1596), 11 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states 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 05:28:40,927 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 05:28:40,927 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 05:28:40,927 INFO L185 Difference]: Start difference. First operand has 103 places, 102 transitions, 1165 flow. Second operand 11 states and 1596 transitions. [2021-03-25 05:28:40,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 132 transitions, 1708 flow [2021-03-25 05:28:40,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 132 transitions, 1644 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 05:28:40,942 INFO L241 Difference]: Finished difference. Result has 108 places, 102 transitions, 1168 flow [2021-03-25 05:28:40,942 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1168, PETRI_PLACES=108, PETRI_TRANSITIONS=102} [2021-03-25 05:28:40,943 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 42 predicate places. [2021-03-25 05:28:40,943 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:40,943 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 102 transitions, 1168 flow [2021-03-25 05:28:40,943 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 102 transitions, 1168 flow [2021-03-25 05:28:40,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 102 transitions, 1168 flow [2021-03-25 05:28:40,978 INFO L129 PetriNetUnfolder]: 98/518 cut-off events. [2021-03-25 05:28:40,978 INFO L130 PetriNetUnfolder]: For 2399/2441 co-relation queries the response was YES. [2021-03-25 05:28:40,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2274 conditions, 518 events. 98/518 cut-off events. For 2399/2441 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 4155 event pairs, 8 based on Foata normal form. 28/542 useless extension candidates. Maximal degree in co-relation 2231. Up to 128 conditions per place. [2021-03-25 05:28:40,983 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-25 05:28:40,996 INFO L154 LiptonReduction]: Checked pairs total: 296 [2021-03-25 05:28:40,996 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:40,996 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-03-25 05:28:40,996 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 1168 flow [2021-03-25 05:28:40,997 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 05:28:40,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:40,997 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 05:28:40,997 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 05:28:40,997 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 05:28:40,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:40,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1749450836, now seen corresponding path program 1 times [2021-03-25 05:28:40,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:40,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686629104] [2021-03-25 05:28:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:41,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:41,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:28:41,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:41,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:28:41,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:41,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:28:41,059 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-25 05:28:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:28:41,084 INFO L142 QuantifierPusher]: treesize reduction 30, result has 57.7 percent of original size [2021-03-25 05:28:41,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:41,086 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-25 05:28:41,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:41,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:41,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:41,087 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 05:28:41,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686629104] [2021-03-25 05:28:41,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:41,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:28:41,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062649875] [2021-03-25 05:28:41,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:28:41,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:41,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:28:41,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:28:41,089 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 317 [2021-03-25 05:28:41,090 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 1168 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 05:28:41,090 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:41,090 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 317 [2021-03-25 05:28:41,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:41,175 INFO L129 PetriNetUnfolder]: 24/206 cut-off events. [2021-03-25 05:28:41,175 INFO L130 PetriNetUnfolder]: For 1476/1492 co-relation queries the response was YES. [2021-03-25 05:28:41,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 206 events. 24/206 cut-off events. For 1476/1492 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1177 event pairs, 2 based on Foata normal form. 20/222 useless extension candidates. Maximal degree in co-relation 981. Up to 43 conditions per place. [2021-03-25 05:28:41,176 INFO L132 encePairwiseOnDemand]: 311/317 looper letters, 27 selfloop transitions, 10 changer transitions 4/84 dead transitions. [2021-03-25 05:28:41,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 84 transitions, 1019 flow [2021-03-25 05:28:41,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:28:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:28:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1509 transitions. [2021-03-25 05:28:41,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7933753943217665 [2021-03-25 05:28:41,179 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1509 transitions. [2021-03-25 05:28:41,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1509 transitions. [2021-03-25 05:28:41,179 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:41,179 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1509 transitions. [2021-03-25 05:28:41,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states 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 05:28:41,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states 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 05:28:41,181 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 317.0) internal successors, (2219), 7 states have internal predecessors, (2219), 0 states have call successors, (0), 0 states 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 05:28:41,181 INFO L185 Difference]: Start difference. First operand has 106 places, 102 transitions, 1168 flow. Second operand 6 states and 1509 transitions. [2021-03-25 05:28:41,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 84 transitions, 1019 flow [2021-03-25 05:28:41,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 84 transitions, 898 flow, removed 30 selfloop flow, removed 13 redundant places. [2021-03-25 05:28:41,187 INFO L241 Difference]: Finished difference. Result has 99 places, 77 transitions, 793 flow [2021-03-25 05:28:41,187 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=317, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=793, PETRI_PLACES=99, PETRI_TRANSITIONS=77} [2021-03-25 05:28:41,187 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 33 predicate places. [2021-03-25 05:28:41,187 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:41,187 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 77 transitions, 793 flow [2021-03-25 05:28:41,187 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 77 transitions, 793 flow [2021-03-25 05:28:41,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 77 transitions, 793 flow [2021-03-25 05:28:41,201 INFO L129 PetriNetUnfolder]: 25/201 cut-off events. [2021-03-25 05:28:41,201 INFO L130 PetriNetUnfolder]: For 924/932 co-relation queries the response was YES. [2021-03-25 05:28:41,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 201 events. 25/201 cut-off events. For 924/932 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1149 event pairs, 2 based on Foata normal form. 4/203 useless extension candidates. Maximal degree in co-relation 799. Up to 44 conditions per place. [2021-03-25 05:28:41,203 INFO L142 LiptonReduction]: Number of co-enabled transitions 100 [2021-03-25 05:28:41,444 INFO L154 LiptonReduction]: Checked pairs total: 251 [2021-03-25 05:28:41,444 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-25 05:28:41,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 257 [2021-03-25 05:28:41,445 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 76 transitions, 795 flow [2021-03-25 05:28:41,445 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 05:28:41,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:41,445 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 05:28:41,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 05:28:41,445 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 05:28:41,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1229035569, now seen corresponding path program 3 times [2021-03-25 05:28:41,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:41,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218385014] [2021-03-25 05:28:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:41,518 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.6 percent of original size [2021-03-25 05:28:41,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-25 05:28:41,538 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-25 05:28:41,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 05:28:41,563 INFO L142 QuantifierPusher]: treesize reduction 19, result has 71.2 percent of original size [2021-03-25 05:28:41,564 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:41,593 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:41,593 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:41,620 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:41,620 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:41,646 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:41,646 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:41,652 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:41,653 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:41,684 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:41,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:41,700 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:41,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:41,737 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.0 percent of original size [2021-03-25 05:28:41,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 05:28:41,749 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-25 05:28:41,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:28:41,787 INFO L142 QuantifierPusher]: treesize reduction 40, result has 53.5 percent of original size [2021-03-25 05:28:41,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:28:41,824 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-25 05:28:41,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:41,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:41,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:41,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:41,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:41,869 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 05:28:41,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218385014] [2021-03-25 05:28:41,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:41,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:41,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566876013] [2021-03-25 05:28:41,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:41,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:41,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:41,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:41,872 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 322 [2021-03-25 05:28:41,873 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 76 transitions, 795 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 05:28:41,873 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:41,873 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 322 [2021-03-25 05:28:41,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:42,472 INFO L129 PetriNetUnfolder]: 72/281 cut-off events. [2021-03-25 05:28:42,472 INFO L130 PetriNetUnfolder]: For 1556/1556 co-relation queries the response was YES. [2021-03-25 05:28:42,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 281 events. 72/281 cut-off events. For 1556/1556 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1521 event pairs, 35 based on Foata normal form. 1/277 useless extension candidates. Maximal degree in co-relation 1376. Up to 202 conditions per place. [2021-03-25 05:28:42,474 INFO L132 encePairwiseOnDemand]: 308/322 looper letters, 63 selfloop transitions, 16 changer transitions 8/91 dead transitions. [2021-03-25 05:28:42,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 91 transitions, 1093 flow [2021-03-25 05:28:42,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1590 transitions. [2021-03-25 05:28:42,475 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44889892715979673 [2021-03-25 05:28:42,475 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1590 transitions. [2021-03-25 05:28:42,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1590 transitions. [2021-03-25 05:28:42,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:42,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1590 transitions. [2021-03-25 05:28:42,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.54545454545453) internal successors, (1590), 11 states have internal predecessors, (1590), 0 states have call successors, (0), 0 states 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 05:28:42,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states 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 05:28:42,479 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states 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 05:28:42,479 INFO L185 Difference]: Start difference. First operand has 95 places, 76 transitions, 795 flow. Second operand 11 states and 1590 transitions. [2021-03-25 05:28:42,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 91 transitions, 1093 flow [2021-03-25 05:28:42,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 91 transitions, 1074 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-25 05:28:42,486 INFO L241 Difference]: Finished difference. Result has 101 places, 75 transitions, 792 flow [2021-03-25 05:28:42,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=792, PETRI_PLACES=101, PETRI_TRANSITIONS=75} [2021-03-25 05:28:42,487 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 35 predicate places. [2021-03-25 05:28:42,487 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:42,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 75 transitions, 792 flow [2021-03-25 05:28:42,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 75 transitions, 792 flow [2021-03-25 05:28:42,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 75 transitions, 792 flow [2021-03-25 05:28:42,500 INFO L129 PetriNetUnfolder]: 27/187 cut-off events. [2021-03-25 05:28:42,500 INFO L130 PetriNetUnfolder]: For 876/880 co-relation queries the response was YES. [2021-03-25 05:28:42,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 187 events. 27/187 cut-off events. For 876/880 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1035 event pairs, 3 based on Foata normal form. 4/188 useless extension candidates. Maximal degree in co-relation 792. Up to 40 conditions per place. [2021-03-25 05:28:42,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 05:28:42,557 INFO L154 LiptonReduction]: Checked pairs total: 108 [2021-03-25 05:28:42,558 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:28:42,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-25 05:28:42,558 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 74 transitions, 788 flow [2021-03-25 05:28:42,558 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 05:28:42,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:42,558 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 05:28:42,559 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 05:28:42,559 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 05:28:42,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:42,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2135429065, now seen corresponding path program 1 times [2021-03-25 05:28:42,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:42,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677082985] [2021-03-25 05:28:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:42,614 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size [2021-03-25 05:28:42,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:42,632 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-25 05:28:42,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 05:28:42,659 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-25 05:28:42,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 05:28:42,686 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:42,687 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:42,712 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:42,715 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:42,744 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:42,745 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:42,751 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:42,751 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:42,798 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:42,817 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:42,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:42,853 INFO L142 QuantifierPusher]: treesize reduction 21, result has 70.0 percent of original size [2021-03-25 05:28:42,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 05:28:42,864 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-25 05:28:42,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:28:42,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:42,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:42,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:42,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:42,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:42,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:42,927 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 05:28:42,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677082985] [2021-03-25 05:28:42,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:42,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:42,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66774012] [2021-03-25 05:28:42,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:28:42,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:42,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:28:42,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:28:42,929 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 323 [2021-03-25 05:28:42,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 74 transitions, 788 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 05:28:42,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:42,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 323 [2021-03-25 05:28:42,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:43,379 INFO L129 PetriNetUnfolder]: 69/270 cut-off events. [2021-03-25 05:28:43,380 INFO L130 PetriNetUnfolder]: For 1537/1537 co-relation queries the response was YES. [2021-03-25 05:28:43,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 270 events. 69/270 cut-off events. For 1537/1537 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1434 event pairs, 37 based on Foata normal form. 1/266 useless extension candidates. Maximal degree in co-relation 1356. Up to 199 conditions per place. [2021-03-25 05:28:43,381 INFO L132 encePairwiseOnDemand]: 312/323 looper letters, 60 selfloop transitions, 11 changer transitions 10/85 dead transitions. [2021-03-25 05:28:43,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 85 transitions, 1047 flow [2021-03-25 05:28:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:28:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:28:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1444 transitions. [2021-03-25 05:28:43,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4470588235294118 [2021-03-25 05:28:43,383 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1444 transitions. [2021-03-25 05:28:43,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1444 transitions. [2021-03-25 05:28:43,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:43,383 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1444 transitions. [2021-03-25 05:28:43,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states 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 05:28:43,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 323.0) internal successors, (3553), 11 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states 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 05:28:43,387 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 323.0) internal successors, (3553), 11 states have internal predecessors, (3553), 0 states have call successors, (0), 0 states 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 05:28:43,387 INFO L185 Difference]: Start difference. First operand has 97 places, 74 transitions, 788 flow. Second operand 10 states and 1444 transitions. [2021-03-25 05:28:43,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 85 transitions, 1047 flow [2021-03-25 05:28:43,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 85 transitions, 1009 flow, removed 4 selfloop flow, removed 10 redundant places. [2021-03-25 05:28:43,392 INFO L241 Difference]: Finished difference. Result has 98 places, 70 transitions, 726 flow [2021-03-25 05:28:43,392 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=750, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=726, PETRI_PLACES=98, PETRI_TRANSITIONS=70} [2021-03-25 05:28:43,392 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 32 predicate places. [2021-03-25 05:28:43,392 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:43,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 70 transitions, 726 flow [2021-03-25 05:28:43,393 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 70 transitions, 726 flow [2021-03-25 05:28:43,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 70 transitions, 726 flow [2021-03-25 05:28:43,405 INFO L129 PetriNetUnfolder]: 22/174 cut-off events. [2021-03-25 05:28:43,405 INFO L130 PetriNetUnfolder]: For 794/798 co-relation queries the response was YES. [2021-03-25 05:28:43,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 174 events. 22/174 cut-off events. For 794/798 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 946 event pairs, 3 based on Foata normal form. 4/175 useless extension candidates. Maximal degree in co-relation 714. Up to 38 conditions per place. [2021-03-25 05:28:43,406 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 05:28:43,408 INFO L154 LiptonReduction]: Checked pairs total: 132 [2021-03-25 05:28:43,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:43,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 05:28:43,408 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 70 transitions, 726 flow [2021-03-25 05:28:43,409 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 05:28:43,409 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:43,409 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 05:28:43,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 05:28:43,409 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 05:28:43,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:43,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1589113558, now seen corresponding path program 1 times [2021-03-25 05:28:43,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:43,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490449819] [2021-03-25 05:28:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:43,457 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:43,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:43,465 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:43,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:43,476 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 05:28:43,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:43,486 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:43,486 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:43,511 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:43,511 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:43,516 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:43,517 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:43,545 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:43,545 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:43,575 INFO L142 QuantifierPusher]: treesize reduction 11, result has 74.4 percent of original size [2021-03-25 05:28:43,575 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-03-25 05:28:43,606 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.0 percent of original size [2021-03-25 05:28:43,606 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.2 percent of original size 41 [2021-03-25 05:28:43,641 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:28:43,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:43,659 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-25 05:28:43,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:43,695 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-03-25 05:28:43,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:43,709 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 05:28:43,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:43,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:43,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:43,761 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 05:28:43,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490449819] [2021-03-25 05:28:43,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:43,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:43,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718495381] [2021-03-25 05:28:43,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:43,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:43,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:43,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:43,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:43,764 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 70 transitions, 726 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 05:28:43,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:43,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:43,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:44,436 INFO L129 PetriNetUnfolder]: 76/291 cut-off events. [2021-03-25 05:28:44,436 INFO L130 PetriNetUnfolder]: For 1502/1502 co-relation queries the response was YES. [2021-03-25 05:28:44,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1428 conditions, 291 events. 76/291 cut-off events. For 1502/1502 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1624 event pairs, 36 based on Foata normal form. 2/288 useless extension candidates. Maximal degree in co-relation 1387. Up to 198 conditions per place. [2021-03-25 05:28:44,438 INFO L132 encePairwiseOnDemand]: 311/323 looper letters, 60 selfloop transitions, 11 changer transitions 18/93 dead transitions. [2021-03-25 05:28:44,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 93 transitions, 1095 flow [2021-03-25 05:28:44,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1720 transitions. [2021-03-25 05:28:44,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4437564499484004 [2021-03-25 05:28:44,439 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1720 transitions. [2021-03-25 05:28:44,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1720 transitions. [2021-03-25 05:28:44,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:44,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1720 transitions. [2021-03-25 05:28:44,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.33333333333334) internal successors, (1720), 12 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states 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 05:28:44,444 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 05:28:44,444 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 05:28:44,445 INFO L185 Difference]: Start difference. First operand has 92 places, 70 transitions, 726 flow. Second operand 12 states and 1720 transitions. [2021-03-25 05:28:44,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 93 transitions, 1095 flow [2021-03-25 05:28:44,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 93 transitions, 1047 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:44,450 INFO L241 Difference]: Finished difference. Result has 99 places, 69 transitions, 710 flow [2021-03-25 05:28:44,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=686, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=710, PETRI_PLACES=99, PETRI_TRANSITIONS=69} [2021-03-25 05:28:44,451 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 33 predicate places. [2021-03-25 05:28:44,451 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:44,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 69 transitions, 710 flow [2021-03-25 05:28:44,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 69 transitions, 710 flow [2021-03-25 05:28:44,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 69 transitions, 710 flow [2021-03-25 05:28:44,463 INFO L129 PetriNetUnfolder]: 21/167 cut-off events. [2021-03-25 05:28:44,463 INFO L130 PetriNetUnfolder]: For 719/723 co-relation queries the response was YES. [2021-03-25 05:28:44,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 167 events. 21/167 cut-off events. For 719/723 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 902 event pairs, 3 based on Foata normal form. 4/167 useless extension candidates. Maximal degree in co-relation 698. Up to 37 conditions per place. [2021-03-25 05:28:44,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 78 [2021-03-25 05:28:44,466 INFO L154 LiptonReduction]: Checked pairs total: 80 [2021-03-25 05:28:44,466 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:44,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 05:28:44,467 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 69 transitions, 710 flow [2021-03-25 05:28:44,467 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 05:28:44,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:44,468 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 05:28:44,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 05:28:44,468 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 05:28:44,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:44,468 INFO L82 PathProgramCache]: Analyzing trace with hash -2062400840, now seen corresponding path program 2 times [2021-03-25 05:28:44,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:44,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524788272] [2021-03-25 05:28:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:44,545 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:44,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:44,554 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:44,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:44,565 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 05:28:44,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:44,576 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:44,577 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:44,602 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:44,602 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:44,608 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:44,608 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:44,635 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:44,635 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:44,670 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:44,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:44,687 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:44,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:44,704 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:28:44,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:44,722 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-25 05:28:44,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:44,758 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-03-25 05:28:44,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:44,773 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 05:28:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:44,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:44,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:44,825 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 05:28:44,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524788272] [2021-03-25 05:28:44,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:44,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:44,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294604630] [2021-03-25 05:28:44,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:44,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:44,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:44,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:44,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:44,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 69 transitions, 710 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 05:28:44,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:44,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:44,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:45,514 INFO L129 PetriNetUnfolder]: 92/330 cut-off events. [2021-03-25 05:28:45,514 INFO L130 PetriNetUnfolder]: For 1726/1728 co-relation queries the response was YES. [2021-03-25 05:28:45,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 330 events. 92/330 cut-off events. For 1726/1728 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1902 event pairs, 28 based on Foata normal form. 2/330 useless extension candidates. Maximal degree in co-relation 1625. Up to 172 conditions per place. [2021-03-25 05:28:45,516 INFO L132 encePairwiseOnDemand]: 309/323 looper letters, 73 selfloop transitions, 22 changer transitions 13/112 dead transitions. [2021-03-25 05:28:45,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 112 transitions, 1326 flow [2021-03-25 05:28:45,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:45,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1732 transitions. [2021-03-25 05:28:45,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44685242518059853 [2021-03-25 05:28:45,518 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1732 transitions. [2021-03-25 05:28:45,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1732 transitions. [2021-03-25 05:28:45,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:45,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1732 transitions. [2021-03-25 05:28:45,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 144.33333333333334) internal successors, (1732), 12 states have internal predecessors, (1732), 0 states have call successors, (0), 0 states 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 05:28:45,522 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 05:28:45,522 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 05:28:45,522 INFO L185 Difference]: Start difference. First operand has 93 places, 69 transitions, 710 flow. Second operand 12 states and 1732 transitions. [2021-03-25 05:28:45,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 112 transitions, 1326 flow [2021-03-25 05:28:45,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 112 transitions, 1270 flow, removed 17 selfloop flow, removed 10 redundant places. [2021-03-25 05:28:45,528 INFO L241 Difference]: Finished difference. Result has 99 places, 77 transitions, 834 flow [2021-03-25 05:28:45,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=834, PETRI_PLACES=99, PETRI_TRANSITIONS=77} [2021-03-25 05:28:45,528 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 33 predicate places. [2021-03-25 05:28:45,528 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:45,528 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 77 transitions, 834 flow [2021-03-25 05:28:45,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 77 transitions, 834 flow [2021-03-25 05:28:45,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 77 transitions, 834 flow [2021-03-25 05:28:45,543 INFO L129 PetriNetUnfolder]: 28/195 cut-off events. [2021-03-25 05:28:45,543 INFO L130 PetriNetUnfolder]: For 938/941 co-relation queries the response was YES. [2021-03-25 05:28:45,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 904 conditions, 195 events. 28/195 cut-off events. For 938/941 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1114 event pairs, 4 based on Foata normal form. 3/193 useless extension candidates. Maximal degree in co-relation 864. Up to 44 conditions per place. [2021-03-25 05:28:45,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-25 05:28:45,546 INFO L154 LiptonReduction]: Checked pairs total: 128 [2021-03-25 05:28:45,546 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:45,547 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-03-25 05:28:45,547 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 77 transitions, 834 flow [2021-03-25 05:28:45,547 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 05:28:45,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:45,547 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 05:28:45,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 05:28:45,547 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 05:28:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:45,548 INFO L82 PathProgramCache]: Analyzing trace with hash 72077524, now seen corresponding path program 3 times [2021-03-25 05:28:45,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:45,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409678623] [2021-03-25 05:28:45,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:45,596 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:45,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:45,604 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:45,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:45,616 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 05:28:45,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:45,627 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:45,628 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:45,653 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:45,654 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:45,660 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:45,661 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:45,689 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:45,690 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:45,721 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:45,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:45,736 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:45,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:45,753 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:45,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:45,789 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-25 05:28:45,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 05:28:45,828 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-03-25 05:28:45,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:28:45,843 INFO L142 QuantifierPusher]: treesize reduction 40, result has 53.5 percent of original size [2021-03-25 05:28:45,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:28:45,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:45,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:45,897 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 05:28:45,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409678623] [2021-03-25 05:28:45,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:45,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:45,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463873268] [2021-03-25 05:28:45,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:45,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:45,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:45,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:45,900 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:45,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 77 transitions, 834 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 05:28:45,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:45,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:45,900 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:46,588 INFO L129 PetriNetUnfolder]: 82/310 cut-off events. [2021-03-25 05:28:46,588 INFO L130 PetriNetUnfolder]: For 1838/1840 co-relation queries the response was YES. [2021-03-25 05:28:46,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1635 conditions, 310 events. 82/310 cut-off events. For 1838/1840 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1785 event pairs, 27 based on Foata normal form. 3/308 useless extension candidates. Maximal degree in co-relation 1593. Up to 167 conditions per place. [2021-03-25 05:28:46,590 INFO L132 encePairwiseOnDemand]: 309/323 looper letters, 69 selfloop transitions, 22 changer transitions 11/106 dead transitions. [2021-03-25 05:28:46,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 106 transitions, 1322 flow [2021-03-25 05:28:46,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1726 transitions. [2021-03-25 05:28:46,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4453044375644995 [2021-03-25 05:28:46,592 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1726 transitions. [2021-03-25 05:28:46,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1726 transitions. [2021-03-25 05:28:46,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:46,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1726 transitions. [2021-03-25 05:28:46,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.83333333333334) internal successors, (1726), 12 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 05:28:46,595 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 05:28:46,596 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 05:28:46,596 INFO L185 Difference]: Start difference. First operand has 96 places, 77 transitions, 834 flow. Second operand 12 states and 1726 transitions. [2021-03-25 05:28:46,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 106 transitions, 1322 flow [2021-03-25 05:28:46,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 106 transitions, 1274 flow, removed 11 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:46,602 INFO L241 Difference]: Finished difference. Result has 101 places, 77 transitions, 850 flow [2021-03-25 05:28:46,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=795, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=850, PETRI_PLACES=101, PETRI_TRANSITIONS=77} [2021-03-25 05:28:46,602 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 35 predicate places. [2021-03-25 05:28:46,602 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:46,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 77 transitions, 850 flow [2021-03-25 05:28:46,602 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 77 transitions, 850 flow [2021-03-25 05:28:46,603 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 77 transitions, 850 flow [2021-03-25 05:28:46,616 INFO L129 PetriNetUnfolder]: 25/186 cut-off events. [2021-03-25 05:28:46,616 INFO L130 PetriNetUnfolder]: For 976/979 co-relation queries the response was YES. [2021-03-25 05:28:46,617 INFO L84 FinitePrefix]: Finished finitePrefix Result has 879 conditions, 186 events. 25/186 cut-off events. For 976/979 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1040 event pairs, 3 based on Foata normal form. 3/185 useless extension candidates. Maximal degree in co-relation 840. Up to 43 conditions per place. [2021-03-25 05:28:46,617 INFO L142 LiptonReduction]: Number of co-enabled transitions 80 [2021-03-25 05:28:46,619 INFO L154 LiptonReduction]: Checked pairs total: 106 [2021-03-25 05:28:46,620 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:46,620 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 05:28:46,620 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 77 transitions, 850 flow [2021-03-25 05:28:46,620 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 05:28:46,620 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:46,620 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 05:28:46,620 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 05:28:46,620 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 05:28:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:46,621 INFO L82 PathProgramCache]: Analyzing trace with hash 833584344, now seen corresponding path program 4 times [2021-03-25 05:28:46,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:46,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444487785] [2021-03-25 05:28:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:46,680 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:46,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:46,689 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:46,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:46,700 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 05:28:46,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:46,712 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:46,712 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:46,738 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:46,739 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:46,744 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:46,744 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:46,772 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:46,773 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:46,802 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:46,803 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:46,839 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:46,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:46,857 INFO L142 QuantifierPusher]: treesize reduction 9, result has 80.0 percent of original size [2021-03-25 05:28:46,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:46,886 INFO L142 QuantifierPusher]: treesize reduction 38, result has 53.1 percent of original size [2021-03-25 05:28:46,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:46,918 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-03-25 05:28:46,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:46,933 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-03-25 05:28:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:28:46,934 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 05:28:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:46,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:46,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:46,986 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 05:28:46,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444487785] [2021-03-25 05:28:46,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:46,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:46,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068013711] [2021-03-25 05:28:46,987 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:46,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:46,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:46,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:46,989 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:46,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 77 transitions, 850 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 05:28:46,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:46,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:46,990 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:47,648 INFO L129 PetriNetUnfolder]: 94/344 cut-off events. [2021-03-25 05:28:47,648 INFO L130 PetriNetUnfolder]: For 2148/2148 co-relation queries the response was YES. [2021-03-25 05:28:47,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 344 events. 94/344 cut-off events. For 2148/2148 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2033 event pairs, 36 based on Foata normal form. 2/343 useless extension candidates. Maximal degree in co-relation 1819. Up to 217 conditions per place. [2021-03-25 05:28:47,650 INFO L132 encePairwiseOnDemand]: 310/323 looper letters, 77 selfloop transitions, 16 changer transitions 14/111 dead transitions. [2021-03-25 05:28:47,650 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 111 transitions, 1406 flow [2021-03-25 05:28:47,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:47,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1726 transitions. [2021-03-25 05:28:47,652 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4453044375644995 [2021-03-25 05:28:47,652 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1726 transitions. [2021-03-25 05:28:47,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1726 transitions. [2021-03-25 05:28:47,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:47,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1726 transitions. [2021-03-25 05:28:47,654 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.83333333333334) internal successors, (1726), 12 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states 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 05:28:47,655 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 05:28:47,655 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 05:28:47,655 INFO L185 Difference]: Start difference. First operand has 99 places, 77 transitions, 850 flow. Second operand 12 states and 1726 transitions. [2021-03-25 05:28:47,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 111 transitions, 1406 flow [2021-03-25 05:28:47,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 111 transitions, 1336 flow, removed 6 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:47,664 INFO L241 Difference]: Finished difference. Result has 106 places, 82 transitions, 921 flow [2021-03-25 05:28:47,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=921, PETRI_PLACES=106, PETRI_TRANSITIONS=82} [2021-03-25 05:28:47,664 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 40 predicate places. [2021-03-25 05:28:47,664 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:47,664 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 82 transitions, 921 flow [2021-03-25 05:28:47,664 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 82 transitions, 921 flow [2021-03-25 05:28:47,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 82 transitions, 921 flow [2021-03-25 05:28:47,680 INFO L129 PetriNetUnfolder]: 31/214 cut-off events. [2021-03-25 05:28:47,680 INFO L130 PetriNetUnfolder]: For 1195/1199 co-relation queries the response was YES. [2021-03-25 05:28:47,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1043 conditions, 214 events. 31/214 cut-off events. For 1195/1199 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1266 event pairs, 4 based on Foata normal form. 2/211 useless extension candidates. Maximal degree in co-relation 1000. Up to 50 conditions per place. [2021-03-25 05:28:47,682 INFO L142 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-25 05:28:47,685 INFO L154 LiptonReduction]: Checked pairs total: 122 [2021-03-25 05:28:47,685 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:47,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 05:28:47,685 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 82 transitions, 921 flow [2021-03-25 05:28:47,685 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 05:28:47,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:47,685 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 05:28:47,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 05:28:47,685 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 05:28:47,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:47,686 INFO L82 PathProgramCache]: Analyzing trace with hash 888106744, now seen corresponding path program 5 times [2021-03-25 05:28:47,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:47,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372596150] [2021-03-25 05:28:47,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:47,740 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.8 percent of original size [2021-03-25 05:28:47,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:47,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.7 percent of original size [2021-03-25 05:28:47,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:47,761 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.3 percent of original size [2021-03-25 05:28:47,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:47,774 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:47,774 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:47,801 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:47,802 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:47,807 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:47,810 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:47,838 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:47,838 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:47,868 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:47,868 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:47,910 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:47,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:47,929 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:47,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:47,968 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.4 percent of original size [2021-03-25 05:28:47,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 05:28:48,006 INFO L142 QuantifierPusher]: treesize reduction 21, result has 69.6 percent of original size [2021-03-25 05:28:48,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:28:48,023 INFO L142 QuantifierPusher]: treesize reduction 40, result has 53.5 percent of original size [2021-03-25 05:28:48,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:28:48,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:48,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:48,077 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 05:28:48,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372596150] [2021-03-25 05:28:48,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:48,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:48,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669415770] [2021-03-25 05:28:48,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:48,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:48,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:48,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:48,079 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:48,079 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 82 transitions, 921 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 05:28:48,079 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:48,079 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:48,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:48,709 INFO L129 PetriNetUnfolder]: 84/327 cut-off events. [2021-03-25 05:28:48,709 INFO L130 PetriNetUnfolder]: For 2199/2199 co-relation queries the response was YES. [2021-03-25 05:28:48,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1821 conditions, 327 events. 84/327 cut-off events. For 2199/2199 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1919 event pairs, 35 based on Foata normal form. 3/326 useless extension candidates. Maximal degree in co-relation 1776. Up to 212 conditions per place. [2021-03-25 05:28:48,711 INFO L132 encePairwiseOnDemand]: 310/323 looper letters, 73 selfloop transitions, 16 changer transitions 12/105 dead transitions. [2021-03-25 05:28:48,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 105 transitions, 1346 flow [2021-03-25 05:28:48,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1720 transitions. [2021-03-25 05:28:48,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4437564499484004 [2021-03-25 05:28:48,712 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1720 transitions. [2021-03-25 05:28:48,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1720 transitions. [2021-03-25 05:28:48,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:48,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1720 transitions. [2021-03-25 05:28:48,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.33333333333334) internal successors, (1720), 12 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states 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 05:28:48,716 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 05:28:48,716 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 05:28:48,716 INFO L185 Difference]: Start difference. First operand has 103 places, 82 transitions, 921 flow. Second operand 12 states and 1720 transitions. [2021-03-25 05:28:48,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 105 transitions, 1346 flow [2021-03-25 05:28:48,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 105 transitions, 1298 flow, removed 11 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:48,722 INFO L241 Difference]: Finished difference. Result has 108 places, 82 transitions, 923 flow [2021-03-25 05:28:48,722 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=923, PETRI_PLACES=108, PETRI_TRANSITIONS=82} [2021-03-25 05:28:48,722 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 42 predicate places. [2021-03-25 05:28:48,722 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:48,722 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 82 transitions, 923 flow [2021-03-25 05:28:48,723 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 82 transitions, 923 flow [2021-03-25 05:28:48,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 82 transitions, 923 flow [2021-03-25 05:28:48,738 INFO L129 PetriNetUnfolder]: 27/203 cut-off events. [2021-03-25 05:28:48,738 INFO L130 PetriNetUnfolder]: For 1151/1155 co-relation queries the response was YES. [2021-03-25 05:28:48,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 203 events. 27/203 cut-off events. For 1151/1155 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1187 event pairs, 3 based on Foata normal form. 2/201 useless extension candidates. Maximal degree in co-relation 937. Up to 48 conditions per place. [2021-03-25 05:28:48,739 INFO L142 LiptonReduction]: Number of co-enabled transitions 82 [2021-03-25 05:28:48,741 INFO L154 LiptonReduction]: Checked pairs total: 113 [2021-03-25 05:28:48,741 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:48,742 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-25 05:28:48,742 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 82 transitions, 923 flow [2021-03-25 05:28:48,742 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 05:28:48,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:48,742 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 05:28:48,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 05:28:48,742 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 05:28:48,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:48,743 INFO L82 PathProgramCache]: Analyzing trace with hash 246483989, now seen corresponding path program 1 times [2021-03-25 05:28:48,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:48,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815817829] [2021-03-25 05:28:48,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:48,789 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:28:48,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:48,797 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:28:48,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:48,810 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:48,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:48,822 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:48,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:48,836 INFO L142 QuantifierPusher]: treesize reduction 30, result has 67.0 percent of original size [2021-03-25 05:28:48,837 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-03-25 05:28:48,876 INFO L142 QuantifierPusher]: treesize reduction 30, result has 66.7 percent of original size [2021-03-25 05:28:48,876 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.0 percent of original size 54 [2021-03-25 05:28:48,915 INFO L142 QuantifierPusher]: treesize reduction 30, result has 64.7 percent of original size [2021-03-25 05:28:48,916 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.1 percent of original size 49 [2021-03-25 05:28:48,926 INFO L142 QuantifierPusher]: treesize reduction 30, result has 62.0 percent of original size [2021-03-25 05:28:48,926 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.8 percent of original size 43 [2021-03-25 05:28:48,963 INFO L142 QuantifierPusher]: treesize reduction 30, result has 68.1 percent of original size [2021-03-25 05:28:48,963 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-03-25 05:28:49,006 INFO L142 QuantifierPusher]: treesize reduction 8, result has 79.5 percent of original size [2021-03-25 05:28:49,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:49,024 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-25 05:28:49,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:49,043 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:28:49,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:49,056 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:28:49,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:49,097 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 05:28:49,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815817829] [2021-03-25 05:28:49,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:49,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:49,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114656605] [2021-03-25 05:28:49,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:49,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:49,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:49,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:49,099 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:49,100 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 82 transitions, 923 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 05:28:49,100 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:49,100 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:49,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:49,816 INFO L129 PetriNetUnfolder]: 80/318 cut-off events. [2021-03-25 05:28:49,816 INFO L130 PetriNetUnfolder]: For 2081/2081 co-relation queries the response was YES. [2021-03-25 05:28:49,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 318 events. 80/318 cut-off events. For 2081/2081 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1840 event pairs, 31 based on Foata normal form. 2/318 useless extension candidates. Maximal degree in co-relation 1714. Up to 201 conditions per place. [2021-03-25 05:28:49,818 INFO L132 encePairwiseOnDemand]: 308/323 looper letters, 66 selfloop transitions, 12 changer transitions 26/108 dead transitions. [2021-03-25 05:28:49,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 108 transitions, 1383 flow [2021-03-25 05:28:49,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:49,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1720 transitions. [2021-03-25 05:28:49,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4437564499484004 [2021-03-25 05:28:49,820 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1720 transitions. [2021-03-25 05:28:49,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1720 transitions. [2021-03-25 05:28:49,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:49,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1720 transitions. [2021-03-25 05:28:49,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.33333333333334) internal successors, (1720), 12 states have internal predecessors, (1720), 0 states have call successors, (0), 0 states 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 05:28:49,823 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 05:28:49,823 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 05:28:49,823 INFO L185 Difference]: Start difference. First operand has 106 places, 82 transitions, 923 flow. Second operand 12 states and 1720 transitions. [2021-03-25 05:28:49,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 108 transitions, 1383 flow [2021-03-25 05:28:49,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 108 transitions, 1329 flow, removed 7 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:49,830 INFO L241 Difference]: Finished difference. Result has 114 places, 81 transitions, 919 flow [2021-03-25 05:28:49,830 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=879, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=919, PETRI_PLACES=114, PETRI_TRANSITIONS=81} [2021-03-25 05:28:49,830 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 48 predicate places. [2021-03-25 05:28:49,830 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:49,830 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 81 transitions, 919 flow [2021-03-25 05:28:49,830 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 81 transitions, 919 flow [2021-03-25 05:28:49,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 81 transitions, 919 flow [2021-03-25 05:28:49,845 INFO L129 PetriNetUnfolder]: 24/186 cut-off events. [2021-03-25 05:28:49,845 INFO L130 PetriNetUnfolder]: For 1158/1159 co-relation queries the response was YES. [2021-03-25 05:28:49,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 186 events. 24/186 cut-off events. For 1158/1159 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1018 event pairs, 2 based on Foata normal form. 1/183 useless extension candidates. Maximal degree in co-relation 883. Up to 45 conditions per place. [2021-03-25 05:28:49,846 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-25 05:28:49,848 INFO L154 LiptonReduction]: Checked pairs total: 78 [2021-03-25 05:28:49,848 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:49,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 05:28:49,848 INFO L480 AbstractCegarLoop]: Abstraction has has 109 places, 81 transitions, 919 flow [2021-03-25 05:28:49,848 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 05:28:49,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:49,849 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 05:28:49,849 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 05:28:49,849 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 05:28:49,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:49,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1200046150, now seen corresponding path program 6 times [2021-03-25 05:28:49,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:49,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767827845] [2021-03-25 05:28:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:49,896 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:28:49,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:49,904 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:28:49,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:49,917 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:49,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:49,931 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:49,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:49,946 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-25 05:28:49,947 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-03-25 05:28:49,987 INFO L142 QuantifierPusher]: treesize reduction 33, result has 62.9 percent of original size [2021-03-25 05:28:49,988 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.3 percent of original size 50 [2021-03-25 05:28:49,996 INFO L142 QuantifierPusher]: treesize reduction 33, result has 60.2 percent of original size [2021-03-25 05:28:49,997 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.0 percent of original size 44 [2021-03-25 05:28:50,032 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-25 05:28:50,033 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-03-25 05:28:50,074 INFO L142 QuantifierPusher]: treesize reduction 33, result has 70.0 percent of original size [2021-03-25 05:28:50,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-25 05:28:50,123 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-25 05:28:50,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:50,150 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-25 05:28:50,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:50,151 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-25 05:28:50,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:50,170 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:28:50,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:50,183 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:28:50,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:50,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:50,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:50,227 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 05:28:50,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767827845] [2021-03-25 05:28:50,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:50,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:50,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938194851] [2021-03-25 05:28:50,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:50,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:50,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:50,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:50,229 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 323 [2021-03-25 05:28:50,230 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 81 transitions, 919 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 05:28:50,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:50,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 323 [2021-03-25 05:28:50,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:50,906 INFO L129 PetriNetUnfolder]: 68/283 cut-off events. [2021-03-25 05:28:50,906 INFO L130 PetriNetUnfolder]: For 2071/2071 co-relation queries the response was YES. [2021-03-25 05:28:50,907 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1621 conditions, 283 events. 68/283 cut-off events. For 2071/2071 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1587 event pairs, 30 based on Foata normal form. 2/282 useless extension candidates. Maximal degree in co-relation 1571. Up to 200 conditions per place. [2021-03-25 05:28:50,907 INFO L132 encePairwiseOnDemand]: 310/323 looper letters, 65 selfloop transitions, 11 changer transitions 18/98 dead transitions. [2021-03-25 05:28:50,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 98 transitions, 1276 flow [2021-03-25 05:28:50,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:28:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:28:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1716 transitions. [2021-03-25 05:28:50,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44272445820433437 [2021-03-25 05:28:50,909 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1716 transitions. [2021-03-25 05:28:50,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1716 transitions. [2021-03-25 05:28:50,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:50,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1716 transitions. [2021-03-25 05:28:50,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 143.0) internal successors, (1716), 12 states have internal predecessors, (1716), 0 states have call successors, (0), 0 states 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 05:28:50,912 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 05:28:50,912 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 05:28:50,913 INFO L185 Difference]: Start difference. First operand has 109 places, 81 transitions, 919 flow. Second operand 12 states and 1716 transitions. [2021-03-25 05:28:50,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 98 transitions, 1276 flow [2021-03-25 05:28:50,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 98 transitions, 1204 flow, removed 33 selfloop flow, removed 6 redundant places. [2021-03-25 05:28:50,920 INFO L241 Difference]: Finished difference. Result has 119 places, 80 transitions, 896 flow [2021-03-25 05:28:50,920 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=323, PETRI_DIFFERENCE_MINUEND_FLOW=873, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=896, PETRI_PLACES=119, PETRI_TRANSITIONS=80} [2021-03-25 05:28:50,920 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 53 predicate places. [2021-03-25 05:28:50,920 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:50,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 80 transitions, 896 flow [2021-03-25 05:28:50,920 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 80 transitions, 896 flow [2021-03-25 05:28:50,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 80 transitions, 896 flow [2021-03-25 05:28:50,934 INFO L129 PetriNetUnfolder]: 23/177 cut-off events. [2021-03-25 05:28:50,934 INFO L130 PetriNetUnfolder]: For 1022/1023 co-relation queries the response was YES. [2021-03-25 05:28:50,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 876 conditions, 177 events. 23/177 cut-off events. For 1022/1023 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 974 event pairs, 2 based on Foata normal form. 1/174 useless extension candidates. Maximal degree in co-relation 826. Up to 41 conditions per place. [2021-03-25 05:28:50,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-25 05:28:50,966 INFO L154 LiptonReduction]: Checked pairs total: 172 [2021-03-25 05:28:50,966 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:28:50,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-25 05:28:50,966 INFO L480 AbstractCegarLoop]: Abstraction has has 112 places, 79 transitions, 890 flow [2021-03-25 05:28:50,967 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 05:28:50,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:50,967 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 05:28:50,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 05:28:50,967 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 05:28:50,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:50,967 INFO L82 PathProgramCache]: Analyzing trace with hash -936920910, now seen corresponding path program 7 times [2021-03-25 05:28:50,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:50,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64068567] [2021-03-25 05:28:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:51,016 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:28:51,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:51,024 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:28:51,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:51,036 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:51,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:51,049 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:51,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:51,062 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-25 05:28:51,062 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-03-25 05:28:51,101 INFO L142 QuantifierPusher]: treesize reduction 33, result has 62.9 percent of original size [2021-03-25 05:28:51,102 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.3 percent of original size 50 [2021-03-25 05:28:51,110 INFO L142 QuantifierPusher]: treesize reduction 33, result has 60.2 percent of original size [2021-03-25 05:28:51,110 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.0 percent of original size 44 [2021-03-25 05:28:51,145 INFO L142 QuantifierPusher]: treesize reduction 33, result has 66.3 percent of original size [2021-03-25 05:28:51,145 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.8 percent of original size 59 [2021-03-25 05:28:51,186 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size [2021-03-25 05:28:51,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:51,203 INFO L142 QuantifierPusher]: treesize reduction 15, result has 70.6 percent of original size [2021-03-25 05:28:51,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:51,229 INFO L142 QuantifierPusher]: treesize reduction 11, result has 76.6 percent of original size [2021-03-25 05:28:51,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:51,230 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-25 05:28:51,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:51,249 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:28:51,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:51,262 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:28:51,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:51,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:51,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:51,307 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 05:28:51,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64068567] [2021-03-25 05:28:51,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:51,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:51,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731917013] [2021-03-25 05:28:51,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:51,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:51,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:51,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:51,309 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 324 [2021-03-25 05:28:51,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 79 transitions, 890 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 05:28:51,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:51,310 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 324 [2021-03-25 05:28:51,310 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:51,886 INFO L129 PetriNetUnfolder]: 56/238 cut-off events. [2021-03-25 05:28:51,886 INFO L130 PetriNetUnfolder]: For 1653/1655 co-relation queries the response was YES. [2021-03-25 05:28:51,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1366 conditions, 238 events. 56/238 cut-off events. For 1653/1655 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1253 event pairs, 15 based on Foata normal form. 2/238 useless extension candidates. Maximal degree in co-relation 1319. Up to 133 conditions per place. [2021-03-25 05:28:51,887 INFO L132 encePairwiseOnDemand]: 311/324 looper letters, 63 selfloop transitions, 15 changer transitions 14/96 dead transitions. [2021-03-25 05:28:51,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 96 transitions, 1235 flow [2021-03-25 05:28:51,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:51,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1582 transitions. [2021-03-25 05:28:51,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44388327721661053 [2021-03-25 05:28:51,889 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1582 transitions. [2021-03-25 05:28:51,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1582 transitions. [2021-03-25 05:28:51,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:51,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1582 transitions. [2021-03-25 05:28:51,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.8181818181818) internal successors, (1582), 11 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states 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 05:28:51,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 324.0) internal successors, (3888), 12 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states 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 05:28:51,892 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 324.0) internal successors, (3888), 12 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states 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 05:28:51,892 INFO L185 Difference]: Start difference. First operand has 112 places, 79 transitions, 890 flow. Second operand 11 states and 1582 transitions. [2021-03-25 05:28:51,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 96 transitions, 1235 flow [2021-03-25 05:28:51,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 96 transitions, 1180 flow, removed 14 selfloop flow, removed 10 redundant places. [2021-03-25 05:28:51,898 INFO L241 Difference]: Finished difference. Result has 114 places, 76 transitions, 857 flow [2021-03-25 05:28:51,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=857, PETRI_PLACES=114, PETRI_TRANSITIONS=76} [2021-03-25 05:28:51,898 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 48 predicate places. [2021-03-25 05:28:51,898 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:51,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 76 transitions, 857 flow [2021-03-25 05:28:51,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 76 transitions, 857 flow [2021-03-25 05:28:51,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 76 transitions, 857 flow [2021-03-25 05:28:51,911 INFO L129 PetriNetUnfolder]: 19/156 cut-off events. [2021-03-25 05:28:51,911 INFO L130 PetriNetUnfolder]: For 913/913 co-relation queries the response was YES. [2021-03-25 05:28:51,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 156 events. 19/156 cut-off events. For 913/913 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 796 event pairs, 2 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 726. Up to 36 conditions per place. [2021-03-25 05:28:51,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 60 [2021-03-25 05:28:51,913 INFO L154 LiptonReduction]: Checked pairs total: 61 [2021-03-25 05:28:51,913 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:51,914 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-25 05:28:51,914 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 76 transitions, 857 flow [2021-03-25 05:28:51,914 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 05:28:51,914 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:51,914 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 05:28:51,914 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 05:28:51,914 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 05:28:51,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:51,914 INFO L82 PathProgramCache]: Analyzing trace with hash -630912964, now seen corresponding path program 1 times [2021-03-25 05:28:51,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:51,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859650041] [2021-03-25 05:28:51,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:51,960 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:28:51,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:51,969 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:28:51,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:51,981 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:51,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:51,993 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:51,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:52,007 INFO L142 QuantifierPusher]: treesize reduction 33, result has 64.9 percent of original size [2021-03-25 05:28:52,007 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-03-25 05:28:52,045 INFO L142 QuantifierPusher]: treesize reduction 33, result has 62.9 percent of original size [2021-03-25 05:28:52,046 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.3 percent of original size 50 [2021-03-25 05:28:52,054 INFO L142 QuantifierPusher]: treesize reduction 33, result has 66.3 percent of original size [2021-03-25 05:28:52,055 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.8 percent of original size 59 [2021-03-25 05:28:52,092 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size [2021-03-25 05:28:52,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:52,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 05:28:52,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 05:28:52,121 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-25 05:28:52,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:52,139 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:28:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:52,149 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:28:52,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:52,161 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:28:52,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:52,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:52,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:52,203 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 05:28:52,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859650041] [2021-03-25 05:28:52,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:52,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:52,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616469380] [2021-03-25 05:28:52,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:28:52,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:52,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:28:52,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:28:52,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 324 [2021-03-25 05:28:52,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 76 transitions, 857 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 05:28:52,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:52,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 324 [2021-03-25 05:28:52,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:52,784 INFO L129 PetriNetUnfolder]: 45/208 cut-off events. [2021-03-25 05:28:52,784 INFO L130 PetriNetUnfolder]: For 1459/1463 co-relation queries the response was YES. [2021-03-25 05:28:52,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1190 conditions, 208 events. 45/208 cut-off events. For 1459/1463 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1044 event pairs, 12 based on Foata normal form. 3/208 useless extension candidates. Maximal degree in co-relation 1142. Up to 121 conditions per place. [2021-03-25 05:28:52,785 INFO L132 encePairwiseOnDemand]: 311/324 looper letters, 56 selfloop transitions, 15 changer transitions 12/87 dead transitions. [2021-03-25 05:28:52,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 87 transitions, 1116 flow [2021-03-25 05:28:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1587 transitions. [2021-03-25 05:28:52,787 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4452861952861953 [2021-03-25 05:28:52,787 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1587 transitions. [2021-03-25 05:28:52,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1587 transitions. [2021-03-25 05:28:52,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:52,787 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1587 transitions. [2021-03-25 05:28:52,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 144.27272727272728) internal successors, (1587), 11 states have internal predecessors, (1587), 0 states have call successors, (0), 0 states 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 05:28:52,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 324.0) internal successors, (3888), 12 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states 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 05:28:52,790 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 324.0) internal successors, (3888), 12 states have internal predecessors, (3888), 0 states have call successors, (0), 0 states 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 05:28:52,790 INFO L185 Difference]: Start difference. First operand has 110 places, 76 transitions, 857 flow. Second operand 11 states and 1587 transitions. [2021-03-25 05:28:52,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 87 transitions, 1116 flow [2021-03-25 05:28:52,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 87 transitions, 1026 flow, removed 12 selfloop flow, removed 11 redundant places. [2021-03-25 05:28:52,795 INFO L241 Difference]: Finished difference. Result has 111 places, 70 transitions, 745 flow [2021-03-25 05:28:52,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=756, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=745, PETRI_PLACES=111, PETRI_TRANSITIONS=70} [2021-03-25 05:28:52,795 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 45 predicate places. [2021-03-25 05:28:52,795 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:52,795 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 70 transitions, 745 flow [2021-03-25 05:28:52,795 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 70 transitions, 745 flow [2021-03-25 05:28:52,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 109 places, 70 transitions, 745 flow [2021-03-25 05:28:52,806 INFO L129 PetriNetUnfolder]: 14/133 cut-off events. [2021-03-25 05:28:52,806 INFO L130 PetriNetUnfolder]: For 768/770 co-relation queries the response was YES. [2021-03-25 05:28:52,806 INFO L84 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 133 events. 14/133 cut-off events. For 768/770 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 613 event pairs, 1 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 601. Up to 31 conditions per place. [2021-03-25 05:28:52,807 INFO L142 LiptonReduction]: Number of co-enabled transitions 48 [2021-03-25 05:28:52,937 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-25 05:28:52,937 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 05:28:52,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 142 [2021-03-25 05:28:52,938 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 69 transitions, 767 flow [2021-03-25 05:28:52,938 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 05:28:52,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:52,938 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 05:28:52,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 05:28:52,938 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 05:28:52,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:52,938 INFO L82 PathProgramCache]: Analyzing trace with hash 73856060, now seen corresponding path program 2 times [2021-03-25 05:28:52,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:52,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160955600] [2021-03-25 05:28:52,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:52,981 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:28:52,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:52,990 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:28:52,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:28:53,004 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:53,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:53,018 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:28:53,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:53,033 INFO L142 QuantifierPusher]: treesize reduction 30, result has 67.0 percent of original size [2021-03-25 05:28:53,033 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-03-25 05:28:53,089 INFO L142 QuantifierPusher]: treesize reduction 30, result has 65.1 percent of original size [2021-03-25 05:28:53,090 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.3 percent of original size 50 [2021-03-25 05:28:53,098 INFO L142 QuantifierPusher]: treesize reduction 30, result has 68.4 percent of original size [2021-03-25 05:28:53,098 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.8 percent of original size 59 [2021-03-25 05:28:53,139 INFO L142 QuantifierPusher]: treesize reduction 8, result has 80.0 percent of original size [2021-03-25 05:28:53,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:53,154 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 05:28:53,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 05:28:53,171 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-03-25 05:28:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:28:53,181 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-25 05:28:53,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:28:53,206 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:28:53,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:53,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:53,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:53,245 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 05:28:53,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160955600] [2021-03-25 05:28:53,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:53,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:53,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057433960] [2021-03-25 05:28:53,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:28:53,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:53,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:28:53,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:28:53,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 328 [2021-03-25 05:28:53,248 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 69 transitions, 767 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 05:28:53,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:53,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 328 [2021-03-25 05:28:53,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:53,770 INFO L129 PetriNetUnfolder]: 31/149 cut-off events. [2021-03-25 05:28:53,770 INFO L130 PetriNetUnfolder]: For 1078/1082 co-relation queries the response was YES. [2021-03-25 05:28:53,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 149 events. 31/149 cut-off events. For 1078/1082 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 620 event pairs, 10 based on Foata normal form. 3/149 useless extension candidates. Maximal degree in co-relation 804. Up to 105 conditions per place. [2021-03-25 05:28:53,771 INFO L132 encePairwiseOnDemand]: 313/328 looper letters, 51 selfloop transitions, 13 changer transitions 7/75 dead transitions. [2021-03-25 05:28:53,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 75 transitions, 963 flow [2021-03-25 05:28:53,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1582 transitions. [2021-03-25 05:28:53,773 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.438470066518847 [2021-03-25 05:28:53,773 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1582 transitions. [2021-03-25 05:28:53,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1582 transitions. [2021-03-25 05:28:53,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:53,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1582 transitions. [2021-03-25 05:28:53,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 143.8181818181818) internal successors, (1582), 11 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states 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 05:28:53,776 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 328.0) internal successors, (3936), 12 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states 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 05:28:53,776 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 328.0) internal successors, (3936), 12 states have internal predecessors, (3936), 0 states have call successors, (0), 0 states 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 05:28:53,776 INFO L185 Difference]: Start difference. First operand has 108 places, 69 transitions, 767 flow. Second operand 11 states and 1582 transitions. [2021-03-25 05:28:53,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 75 transitions, 963 flow [2021-03-25 05:28:53,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 75 transitions, 825 flow, removed 35 selfloop flow, removed 17 redundant places. [2021-03-25 05:28:53,780 INFO L241 Difference]: Finished difference. Result has 103 places, 67 transitions, 653 flow [2021-03-25 05:28:53,780 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=645, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=653, PETRI_PLACES=103, PETRI_TRANSITIONS=67} [2021-03-25 05:28:53,781 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-03-25 05:28:53,781 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:53,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 67 transitions, 653 flow [2021-03-25 05:28:53,781 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 67 transitions, 653 flow [2021-03-25 05:28:53,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 67 transitions, 653 flow [2021-03-25 05:28:53,790 INFO L129 PetriNetUnfolder]: 12/113 cut-off events. [2021-03-25 05:28:53,790 INFO L130 PetriNetUnfolder]: For 443/443 co-relation queries the response was YES. [2021-03-25 05:28:53,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 113 events. 12/113 cut-off events. For 443/443 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 464 event pairs, 1 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 467. Up to 24 conditions per place. [2021-03-25 05:28:53,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 42 [2021-03-25 05:28:54,246 INFO L154 LiptonReduction]: Checked pairs total: 36 [2021-03-25 05:28:54,247 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:28:54,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-25 05:28:54,247 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 65 transitions, 641 flow [2021-03-25 05:28:54,247 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 05:28:54,247 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:54,247 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 05:28:54,247 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 05:28:54,247 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 05:28:54,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:54,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1472506361, now seen corresponding path program 1 times [2021-03-25 05:28:54,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:54,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563046436] [2021-03-25 05:28:54,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:54,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:54,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:54,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:54,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:54,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:28:54,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 05:28:54,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:54,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:54,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:54,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:28:54,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:28:54,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:54,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:28:54,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:54,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:54,381 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 05:28:54,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563046436] [2021-03-25 05:28:54,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:54,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:54,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909438821] [2021-03-25 05:28:54,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 05:28:54,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:54,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 05:28:54,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-03-25 05:28:54,382 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 330 [2021-03-25 05:28:54,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 65 transitions, 641 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 05:28:54,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:54,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 330 [2021-03-25 05:28:54,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:54,927 INFO L129 PetriNetUnfolder]: 32/168 cut-off events. [2021-03-25 05:28:54,927 INFO L130 PetriNetUnfolder]: For 753/755 co-relation queries the response was YES. [2021-03-25 05:28:54,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 880 conditions, 168 events. 32/168 cut-off events. For 753/755 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 766 event pairs, 5 based on Foata normal form. 3/169 useless extension candidates. Maximal degree in co-relation 842. Up to 43 conditions per place. [2021-03-25 05:28:54,928 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 59 selfloop transitions, 36 changer transitions 3/99 dead transitions. [2021-03-25 05:28:54,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 99 transitions, 1105 flow [2021-03-25 05:28:54,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-25 05:28:54,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-25 05:28:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1991 transitions. [2021-03-25 05:28:54,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.430952380952381 [2021-03-25 05:28:54,930 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1991 transitions. [2021-03-25 05:28:54,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1991 transitions. [2021-03-25 05:28:54,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:54,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1991 transitions. [2021-03-25 05:28:54,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 142.21428571428572) internal successors, (1991), 14 states have internal predecessors, (1991), 0 states have call successors, (0), 0 states 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 05:28:54,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 330.0) internal successors, (4950), 15 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states 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 05:28:54,934 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 330.0) internal successors, (4950), 15 states have internal predecessors, (4950), 0 states have call successors, (0), 0 states 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 05:28:54,934 INFO L185 Difference]: Start difference. First operand has 97 places, 65 transitions, 641 flow. Second operand 14 states and 1991 transitions. [2021-03-25 05:28:54,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 99 transitions, 1105 flow [2021-03-25 05:28:54,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 99 transitions, 1057 flow, removed 12 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:54,938 INFO L241 Difference]: Finished difference. Result has 106 places, 78 transitions, 849 flow [2021-03-25 05:28:54,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=849, PETRI_PLACES=106, PETRI_TRANSITIONS=78} [2021-03-25 05:28:54,938 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 40 predicate places. [2021-03-25 05:28:54,938 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:54,938 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 78 transitions, 849 flow [2021-03-25 05:28:54,938 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 78 transitions, 849 flow [2021-03-25 05:28:54,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 78 transitions, 849 flow [2021-03-25 05:28:54,949 INFO L129 PetriNetUnfolder]: 13/138 cut-off events. [2021-03-25 05:28:54,949 INFO L130 PetriNetUnfolder]: For 636/637 co-relation queries the response was YES. [2021-03-25 05:28:54,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 138 events. 13/138 cut-off events. For 636/637 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 666 event pairs, 1 based on Foata normal form. 1/137 useless extension candidates. Maximal degree in co-relation 622. Up to 33 conditions per place. [2021-03-25 05:28:54,950 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 05:28:54,951 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 05:28:54,951 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:54,951 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 05:28:54,952 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 78 transitions, 849 flow [2021-03-25 05:28:54,952 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 05:28:54,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:54,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:28:54,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 05:28:54,952 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 05:28:54,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:54,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1787624254, now seen corresponding path program 1 times [2021-03-25 05:28:54,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:54,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722473919] [2021-03-25 05:28:54,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:54,988 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.0 percent of original size [2021-03-25 05:28:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-03-25 05:28:55,007 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.4 percent of original size [2021-03-25 05:28:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-25 05:28:55,035 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.3 percent of original size [2021-03-25 05:28:55,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 05:28:55,061 INFO L142 QuantifierPusher]: treesize reduction 6, result has 90.3 percent of original size [2021-03-25 05:28:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 05:28:55,087 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-03-25 05:28:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:28:55,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.6 percent of original size [2021-03-25 05:28:55,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:28:55,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.9 percent of original size [2021-03-25 05:28:55,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 05:28:55,126 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:55,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:55,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:55,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:55,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:55,165 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 05:28:55,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722473919] [2021-03-25 05:28:55,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:55,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:28:55,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492999361] [2021-03-25 05:28:55,165 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:28:55,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:55,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:28:55,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:28:55,166 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 330 [2021-03-25 05:28:55,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 78 transitions, 849 flow. Second operand has 11 states, 11 states have (on average 151.1818181818182) internal successors, (1663), 11 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states 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 05:28:55,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:55,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 330 [2021-03-25 05:28:55,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:55,490 INFO L129 PetriNetUnfolder]: 29/163 cut-off events. [2021-03-25 05:28:55,490 INFO L130 PetriNetUnfolder]: For 854/856 co-relation queries the response was YES. [2021-03-25 05:28:55,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 163 events. 29/163 cut-off events. For 854/856 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 745 event pairs, 10 based on Foata normal form. 1/162 useless extension candidates. Maximal degree in co-relation 862. Up to 123 conditions per place. [2021-03-25 05:28:55,491 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 60 selfloop transitions, 8 changer transitions 8/80 dead transitions. [2021-03-25 05:28:55,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 80 transitions, 1010 flow [2021-03-25 05:28:55,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:28:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:28:55,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1387 transitions. [2021-03-25 05:28:55,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.467003367003367 [2021-03-25 05:28:55,493 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1387 transitions. [2021-03-25 05:28:55,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1387 transitions. [2021-03-25 05:28:55,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:55,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1387 transitions. [2021-03-25 05:28:55,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.11111111111111) internal successors, (1387), 9 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states 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 05:28:55,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states 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 05:28:55,495 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states 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 05:28:55,495 INFO L185 Difference]: Start difference. First operand has 106 places, 78 transitions, 849 flow. Second operand 9 states and 1387 transitions. [2021-03-25 05:28:55,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 80 transitions, 1010 flow [2021-03-25 05:28:55,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 80 transitions, 959 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-25 05:28:55,499 INFO L241 Difference]: Finished difference. Result has 105 places, 72 transitions, 738 flow [2021-03-25 05:28:55,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=738, PETRI_PLACES=105, PETRI_TRANSITIONS=72} [2021-03-25 05:28:55,499 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 39 predicate places. [2021-03-25 05:28:55,500 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:55,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 72 transitions, 738 flow [2021-03-25 05:28:55,500 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 72 transitions, 738 flow [2021-03-25 05:28:55,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 72 transitions, 738 flow [2021-03-25 05:28:55,509 INFO L129 PetriNetUnfolder]: 13/125 cut-off events. [2021-03-25 05:28:55,509 INFO L130 PetriNetUnfolder]: For 518/519 co-relation queries the response was YES. [2021-03-25 05:28:55,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 125 events. 13/125 cut-off events. For 518/519 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 556 event pairs, 1 based on Foata normal form. 1/124 useless extension candidates. Maximal degree in co-relation 540. Up to 29 conditions per place. [2021-03-25 05:28:55,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 40 [2021-03-25 05:28:55,511 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 05:28:55,511 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:55,511 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 05:28:55,511 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 72 transitions, 738 flow [2021-03-25 05:28:55,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 151.1818181818182) internal successors, (1663), 11 states have internal predecessors, (1663), 0 states have call successors, (0), 0 states 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 05:28:55,512 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:55,512 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 05:28:55,512 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 05:28:55,512 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 05:28:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash -614296319, now seen corresponding path program 1 times [2021-03-25 05:28:55,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:55,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533384034] [2021-03-25 05:28:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:55,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:55,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:55,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:28:55,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:55,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:55,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:55,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:55,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:55,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:55,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:28:55,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:55,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:28:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:55,670 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 05:28:55,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533384034] [2021-03-25 05:28:55,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:55,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:55,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211873485] [2021-03-25 05:28:55,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 05:28:55,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:55,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 05:28:55,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-25 05:28:55,672 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 330 [2021-03-25 05:28:55,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 72 transitions, 738 flow. Second operand has 12 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states 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 05:28:55,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:55,673 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 330 [2021-03-25 05:28:55,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:56,138 INFO L129 PetriNetUnfolder]: 41/194 cut-off events. [2021-03-25 05:28:56,138 INFO L130 PetriNetUnfolder]: For 812/814 co-relation queries the response was YES. [2021-03-25 05:28:56,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 194 events. 41/194 cut-off events. For 812/814 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 925 event pairs, 12 based on Foata normal form. 1/192 useless extension candidates. Maximal degree in co-relation 1015. Up to 99 conditions per place. [2021-03-25 05:28:56,139 INFO L132 encePairwiseOnDemand]: 319/330 looper letters, 70 selfloop transitions, 30 changer transitions 0/101 dead transitions. [2021-03-25 05:28:56,139 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 101 transitions, 1200 flow [2021-03-25 05:28:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:28:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:28:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1398 transitions. [2021-03-25 05:28:56,140 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42363636363636364 [2021-03-25 05:28:56,140 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1398 transitions. [2021-03-25 05:28:56,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1398 transitions. [2021-03-25 05:28:56,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:56,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1398 transitions. [2021-03-25 05:28:56,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 139.8) internal successors, (1398), 10 states have internal predecessors, (1398), 0 states have call successors, (0), 0 states 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 05:28:56,143 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 05:28:56,143 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 05:28:56,143 INFO L185 Difference]: Start difference. First operand has 99 places, 72 transitions, 738 flow. Second operand 10 states and 1398 transitions. [2021-03-25 05:28:56,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 101 transitions, 1200 flow [2021-03-25 05:28:56,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 101 transitions, 1168 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-25 05:28:56,148 INFO L241 Difference]: Finished difference. Result has 107 places, 83 transitions, 960 flow [2021-03-25 05:28:56,148 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=960, PETRI_PLACES=107, PETRI_TRANSITIONS=83} [2021-03-25 05:28:56,148 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 41 predicate places. [2021-03-25 05:28:56,148 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:56,148 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 83 transitions, 960 flow [2021-03-25 05:28:56,148 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 83 transitions, 960 flow [2021-03-25 05:28:56,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 83 transitions, 960 flow [2021-03-25 05:28:56,160 INFO L129 PetriNetUnfolder]: 18/162 cut-off events. [2021-03-25 05:28:56,161 INFO L130 PetriNetUnfolder]: For 911/913 co-relation queries the response was YES. [2021-03-25 05:28:56,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 162 events. 18/162 cut-off events. For 911/913 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 832 event pairs, 1 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 765. Up to 38 conditions per place. [2021-03-25 05:28:56,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 42 [2021-03-25 05:28:56,163 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 05:28:56,163 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:56,163 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 05:28:56,163 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 83 transitions, 960 flow [2021-03-25 05:28:56,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states 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 05:28:56,164 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:56,164 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 05:28:56,164 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-25 05:28:56,164 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 05:28:56,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:56,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1704341927, now seen corresponding path program 2 times [2021-03-25 05:28:56,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:56,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213867382] [2021-03-25 05:28:56,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:56,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:56,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:56,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:56,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:28:56,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:56,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:56,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:28:56,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:28:56,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:28:56,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:28:56,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:28:56,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:28:56,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:56,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:28:56,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:28:56,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:56,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:56,318 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 05:28:56,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213867382] [2021-03-25 05:28:56,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:56,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:56,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912640460] [2021-03-25 05:28:56,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 05:28:56,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:56,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 05:28:56,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-03-25 05:28:56,320 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 330 [2021-03-25 05:28:56,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 83 transitions, 960 flow. Second operand has 12 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states 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 05:28:56,321 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:56,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 330 [2021-03-25 05:28:56,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:56,982 INFO L129 PetriNetUnfolder]: 40/194 cut-off events. [2021-03-25 05:28:56,982 INFO L130 PetriNetUnfolder]: For 1065/1067 co-relation queries the response was YES. [2021-03-25 05:28:56,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 194 events. 40/194 cut-off events. For 1065/1067 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 936 event pairs, 2 based on Foata normal form. 1/193 useless extension candidates. Maximal degree in co-relation 1084. Up to 51 conditions per place. [2021-03-25 05:28:56,983 INFO L132 encePairwiseOnDemand]: 318/330 looper letters, 69 selfloop transitions, 44 changer transitions 3/117 dead transitions. [2021-03-25 05:28:56,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 117 transitions, 1431 flow [2021-03-25 05:28:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 05:28:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 05:28:56,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2103 transitions. [2021-03-25 05:28:56,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42484848484848486 [2021-03-25 05:28:56,985 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2103 transitions. [2021-03-25 05:28:56,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2103 transitions. [2021-03-25 05:28:56,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:56,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2103 transitions. [2021-03-25 05:28:56,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 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 05:28:56,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 330.0) internal successors, (5280), 16 states have internal predecessors, (5280), 0 states have call successors, (0), 0 states 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 05:28:56,991 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 330.0) internal successors, (5280), 16 states have internal predecessors, (5280), 0 states have call successors, (0), 0 states 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 05:28:56,991 INFO L185 Difference]: Start difference. First operand has 107 places, 83 transitions, 960 flow. Second operand 15 states and 2103 transitions. [2021-03-25 05:28:56,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 117 transitions, 1431 flow [2021-03-25 05:28:56,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 117 transitions, 1401 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-03-25 05:28:56,995 INFO L241 Difference]: Finished difference. Result has 117 places, 85 transitions, 1065 flow [2021-03-25 05:28:56,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1065, PETRI_PLACES=117, PETRI_TRANSITIONS=85} [2021-03-25 05:28:56,996 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 51 predicate places. [2021-03-25 05:28:56,996 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:56,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 85 transitions, 1065 flow [2021-03-25 05:28:56,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 85 transitions, 1065 flow [2021-03-25 05:28:56,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 85 transitions, 1065 flow [2021-03-25 05:28:57,008 INFO L129 PetriNetUnfolder]: 17/161 cut-off events. [2021-03-25 05:28:57,008 INFO L130 PetriNetUnfolder]: For 1104/1106 co-relation queries the response was YES. [2021-03-25 05:28:57,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 161 events. 17/161 cut-off events. For 1104/1106 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 825 event pairs, 1 based on Foata normal form. 2/161 useless extension candidates. Maximal degree in co-relation 812. Up to 38 conditions per place. [2021-03-25 05:28:57,009 INFO L142 LiptonReduction]: Number of co-enabled transitions 42 [2021-03-25 05:28:57,011 INFO L154 LiptonReduction]: Checked pairs total: 3 [2021-03-25 05:28:57,011 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:57,011 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-03-25 05:28:57,011 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 85 transitions, 1065 flow [2021-03-25 05:28:57,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 136.41666666666666) internal successors, (1637), 12 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states 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 05:28:57,011 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:57,011 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 05:28:57,011 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-25 05:28:57,012 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 05:28:57,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:57,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1973070765, now seen corresponding path program 1 times [2021-03-25 05:28:57,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:57,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390625807] [2021-03-25 05:28:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:57,051 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.9 percent of original size [2021-03-25 05:28:57,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:28:57,060 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.6 percent of original size [2021-03-25 05:28:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:28:57,081 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:57,081 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:57,108 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.6 percent of original size [2021-03-25 05:28:57,108 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-25 05:28:57,125 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.1 percent of original size [2021-03-25 05:28:57,125 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-25 05:28:57,150 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.1 percent of original size [2021-03-25 05:28:57,151 INFO L147 QuantifierPusher]: treesize reduction 6, result has 91.2 percent of original size 62 [2021-03-25 05:28:57,195 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-03-25 05:28:57,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:28:57,211 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:57,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:57,228 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:57,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:57,244 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:57,284 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-25 05:28:57,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:28:57,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:57,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:28:57,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:57,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:57,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:57,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:57,347 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 05:28:57,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390625807] [2021-03-25 05:28:57,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:57,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:57,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223083145] [2021-03-25 05:28:57,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:57,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:57,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:57,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:57,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 330 [2021-03-25 05:28:57,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 85 transitions, 1065 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 05:28:57,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:57,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 330 [2021-03-25 05:28:57,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:57,941 INFO L129 PetriNetUnfolder]: 34/225 cut-off events. [2021-03-25 05:28:57,941 INFO L130 PetriNetUnfolder]: For 1700/1702 co-relation queries the response was YES. [2021-03-25 05:28:57,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1293 conditions, 225 events. 34/225 cut-off events. For 1700/1702 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1300 event pairs, 9 based on Foata normal form. 3/225 useless extension candidates. Maximal degree in co-relation 1254. Up to 98 conditions per place. [2021-03-25 05:28:57,942 INFO L132 encePairwiseOnDemand]: 314/330 looper letters, 63 selfloop transitions, 33 changer transitions 9/107 dead transitions. [2021-03-25 05:28:57,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 107 transitions, 1502 flow [2021-03-25 05:28:57,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-25 05:28:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-03-25 05:28:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1860 transitions. [2021-03-25 05:28:57,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43356643356643354 [2021-03-25 05:28:57,944 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1860 transitions. [2021-03-25 05:28:57,944 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1860 transitions. [2021-03-25 05:28:57,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:57,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1860 transitions. [2021-03-25 05:28:57,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 143.07692307692307) internal successors, (1860), 13 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:28:57,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 330.0) internal successors, (4620), 14 states have internal predecessors, (4620), 0 states have call successors, (0), 0 states 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 05:28:57,947 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 330.0) internal successors, (4620), 14 states have internal predecessors, (4620), 0 states have call successors, (0), 0 states 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 05:28:57,948 INFO L185 Difference]: Start difference. First operand has 117 places, 85 transitions, 1065 flow. Second operand 13 states and 1860 transitions. [2021-03-25 05:28:57,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 107 transitions, 1502 flow [2021-03-25 05:28:57,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 107 transitions, 1372 flow, removed 15 selfloop flow, removed 12 redundant places. [2021-03-25 05:28:57,953 INFO L241 Difference]: Finished difference. Result has 120 places, 89 transitions, 1107 flow [2021-03-25 05:28:57,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=966, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1107, PETRI_PLACES=120, PETRI_TRANSITIONS=89} [2021-03-25 05:28:57,953 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 54 predicate places. [2021-03-25 05:28:57,953 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:57,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 89 transitions, 1107 flow [2021-03-25 05:28:57,953 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 89 transitions, 1107 flow [2021-03-25 05:28:57,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 89 transitions, 1107 flow [2021-03-25 05:28:57,965 INFO L129 PetriNetUnfolder]: 17/153 cut-off events. [2021-03-25 05:28:57,965 INFO L130 PetriNetUnfolder]: For 1071/1073 co-relation queries the response was YES. [2021-03-25 05:28:57,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 153 events. 17/153 cut-off events. For 1071/1073 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 770 event pairs, 1 based on Foata normal form. 2/153 useless extension candidates. Maximal degree in co-relation 799. Up to 32 conditions per place. [2021-03-25 05:28:57,966 INFO L142 LiptonReduction]: Number of co-enabled transitions 22 [2021-03-25 05:28:58,317 INFO L154 LiptonReduction]: Checked pairs total: 12 [2021-03-25 05:28:58,318 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:28:58,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 365 [2021-03-25 05:28:58,318 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 88 transitions, 1117 flow [2021-03-25 05:28:58,318 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 05:28:58,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:58,318 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 05:28:58,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 05:28:58,318 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 05:28:58,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:58,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2016118691, now seen corresponding path program 1 times [2021-03-25 05:28:58,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:58,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640067722] [2021-03-25 05:28:58,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:58,363 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.5 percent of original size [2021-03-25 05:28:58,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:28:58,380 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-25 05:28:58,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 05:28:58,403 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:58,404 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:58,430 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.3 percent of original size [2021-03-25 05:28:58,430 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.2 percent of original size 45 [2021-03-25 05:28:58,436 INFO L142 QuantifierPusher]: treesize reduction 11, result has 79.6 percent of original size [2021-03-25 05:28:58,436 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size 37 [2021-03-25 05:28:58,442 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.1 percent of original size [2021-03-25 05:28:58,442 INFO L147 QuantifierPusher]: treesize reduction 6, result has 83.8 percent of original size 31 [2021-03-25 05:28:58,475 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-03-25 05:28:58,475 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-25 05:28:58,508 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:58,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:58,525 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:58,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:58,543 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:58,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:58,581 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-25 05:28:58,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:28:58,620 INFO L142 QuantifierPusher]: treesize reduction 40, result has 53.5 percent of original size [2021-03-25 05:28:58,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:28:58,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:58,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:58,673 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 05:28:58,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640067722] [2021-03-25 05:28:58,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:58,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:28:58,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316786623] [2021-03-25 05:28:58,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:28:58,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:58,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:28:58,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:28:58,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 333 [2021-03-25 05:28:58,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 88 transitions, 1117 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 05:28:58,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:58,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 333 [2021-03-25 05:28:58,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:59,241 INFO L129 PetriNetUnfolder]: 21/166 cut-off events. [2021-03-25 05:28:59,241 INFO L130 PetriNetUnfolder]: For 1433/1439 co-relation queries the response was YES. [2021-03-25 05:28:59,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 166 events. 21/166 cut-off events. For 1433/1439 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 843 event pairs, 3 based on Foata normal form. 12/176 useless extension candidates. Maximal degree in co-relation 986. Up to 68 conditions per place. [2021-03-25 05:28:59,242 INFO L132 encePairwiseOnDemand]: 316/333 looper letters, 49 selfloop transitions, 13 changer transitions 28/92 dead transitions. [2021-03-25 05:28:59,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 92 transitions, 1287 flow [2021-03-25 05:28:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:28:59,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:28:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1577 transitions. [2021-03-25 05:28:59,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.43052143052143055 [2021-03-25 05:28:59,244 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1577 transitions. [2021-03-25 05:28:59,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1577 transitions. [2021-03-25 05:28:59,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:59,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1577 transitions. [2021-03-25 05:28:59,245 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 05:28:59,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 333.0) internal successors, (3996), 12 states have internal predecessors, (3996), 0 states have call successors, (0), 0 states 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 05:28:59,247 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 333.0) internal successors, (3996), 12 states have internal predecessors, (3996), 0 states have call successors, (0), 0 states 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 05:28:59,247 INFO L185 Difference]: Start difference. First operand has 118 places, 88 transitions, 1117 flow. Second operand 11 states and 1577 transitions. [2021-03-25 05:28:59,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 92 transitions, 1287 flow [2021-03-25 05:28:59,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 92 transitions, 1161 flow, removed 24 selfloop flow, removed 12 redundant places. [2021-03-25 05:28:59,251 INFO L241 Difference]: Finished difference. Result has 117 places, 63 transitions, 703 flow [2021-03-25 05:28:59,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=923, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=703, PETRI_PLACES=117, PETRI_TRANSITIONS=63} [2021-03-25 05:28:59,252 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 51 predicate places. [2021-03-25 05:28:59,252 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:59,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 63 transitions, 703 flow [2021-03-25 05:28:59,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 63 transitions, 703 flow [2021-03-25 05:28:59,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 63 transitions, 703 flow [2021-03-25 05:28:59,260 INFO L129 PetriNetUnfolder]: 9/103 cut-off events. [2021-03-25 05:28:59,260 INFO L130 PetriNetUnfolder]: For 554/554 co-relation queries the response was YES. [2021-03-25 05:28:59,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 103 events. 9/103 cut-off events. For 554/554 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 398 event pairs, 1 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 495. Up to 23 conditions per place. [2021-03-25 05:28:59,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-25 05:28:59,262 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:28:59,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:28:59,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 05:28:59,262 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 63 transitions, 703 flow [2021-03-25 05:28:59,263 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 05:28:59,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:59,263 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 05:28:59,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-25 05:28:59,263 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 05:28:59,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:59,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1705265417, now seen corresponding path program 2 times [2021-03-25 05:28:59,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:59,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705540114] [2021-03-25 05:28:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:59,303 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size [2021-03-25 05:28:59,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:28:59,321 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-25 05:28:59,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 05:28:59,348 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-25 05:28:59,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 05:28:59,376 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:28:59,376 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:28:59,404 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:28:59,405 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:28:59,410 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:59,411 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:59,436 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:28:59,437 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:28:59,461 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:28:59,462 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:28:59,494 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:28:59,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:28:59,511 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:28:59,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:28:59,549 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-25 05:28:59,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:28:59,592 INFO L142 QuantifierPusher]: treesize reduction 40, result has 53.5 percent of original size [2021-03-25 05:28:59,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:28:59,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:59,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:59,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:59,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:28:59,648 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 05:28:59,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705540114] [2021-03-25 05:28:59,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:59,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:28:59,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618541127] [2021-03-25 05:28:59,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:28:59,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:59,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:28:59,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:28:59,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 333 [2021-03-25 05:28:59,651 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 63 transitions, 703 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 05:28:59,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:59,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 333 [2021-03-25 05:28:59,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:00,216 INFO L129 PetriNetUnfolder]: 12/116 cut-off events. [2021-03-25 05:29:00,216 INFO L130 PetriNetUnfolder]: For 811/815 co-relation queries the response was YES. [2021-03-25 05:29:00,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 116 events. 12/116 cut-off events. For 811/815 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 472 event pairs, 2 based on Foata normal form. 6/120 useless extension candidates. Maximal degree in co-relation 648. Up to 58 conditions per place. [2021-03-25 05:29:00,217 INFO L132 encePairwiseOnDemand]: 318/333 looper letters, 41 selfloop transitions, 16 changer transitions 10/69 dead transitions. [2021-03-25 05:29:00,217 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 69 transitions, 879 flow [2021-03-25 05:29:00,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 05:29:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 05:29:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1706 transitions. [2021-03-25 05:29:00,218 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4269269269269269 [2021-03-25 05:29:00,218 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1706 transitions. [2021-03-25 05:29:00,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1706 transitions. [2021-03-25 05:29:00,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:00,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1706 transitions. [2021-03-25 05:29:00,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 142.16666666666666) internal successors, (1706), 12 states have internal predecessors, (1706), 0 states have call successors, (0), 0 states 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 05:29:00,223 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 333.0) internal successors, (4329), 13 states have internal predecessors, (4329), 0 states have call successors, (0), 0 states 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 05:29:00,223 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 333.0) internal successors, (4329), 13 states have internal predecessors, (4329), 0 states have call successors, (0), 0 states 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 05:29:00,223 INFO L185 Difference]: Start difference. First operand has 106 places, 63 transitions, 703 flow. Second operand 12 states and 1706 transitions. [2021-03-25 05:29:00,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 69 transitions, 879 flow [2021-03-25 05:29:00,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 69 transitions, 792 flow, removed 7 selfloop flow, removed 16 redundant places. [2021-03-25 05:29:00,226 INFO L241 Difference]: Finished difference. Result has 102 places, 58 transitions, 599 flow [2021-03-25 05:29:00,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=599, PETRI_PLACES=102, PETRI_TRANSITIONS=58} [2021-03-25 05:29:00,226 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 36 predicate places. [2021-03-25 05:29:00,226 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:00,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 58 transitions, 599 flow [2021-03-25 05:29:00,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 58 transitions, 599 flow [2021-03-25 05:29:00,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 58 transitions, 599 flow [2021-03-25 05:29:00,233 INFO L129 PetriNetUnfolder]: 5/91 cut-off events. [2021-03-25 05:29:00,233 INFO L130 PetriNetUnfolder]: For 388/388 co-relation queries the response was YES. [2021-03-25 05:29:00,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 91 events. 5/91 cut-off events. For 388/388 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 337 event pairs, 1 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 411. Up to 19 conditions per place. [2021-03-25 05:29:00,234 INFO L142 LiptonReduction]: Number of co-enabled transitions 6 [2021-03-25 05:29:01,374 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:01,374 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 05:29:01,374 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1148 [2021-03-25 05:29:01,375 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 56 transitions, 613 flow [2021-03-25 05:29:01,375 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 05:29:01,375 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:01,375 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 05:29:01,375 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 05:29:01,375 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 05:29:01,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:01,375 INFO L82 PathProgramCache]: Analyzing trace with hash -789727231, now seen corresponding path program 2 times [2021-03-25 05:29:01,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:01,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301798881] [2021-03-25 05:29:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:01,415 INFO L142 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size [2021-03-25 05:29:01,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:29:01,434 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-03-25 05:29:01,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-25 05:29:01,461 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.5 percent of original size [2021-03-25 05:29:01,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 05:29:01,489 INFO L142 QuantifierPusher]: treesize reduction 11, result has 80.0 percent of original size [2021-03-25 05:29:01,490 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:29:01,517 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.0 percent of original size [2021-03-25 05:29:01,517 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:29:01,522 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:29:01,523 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:01,548 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.0 percent of original size [2021-03-25 05:29:01,549 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:01,576 INFO L142 QuantifierPusher]: treesize reduction 11, result has 81.4 percent of original size [2021-03-25 05:29:01,576 INFO L147 QuantifierPusher]: treesize reduction 6, result has 87.5 percent of original size 42 [2021-03-25 05:29:01,611 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:29:01,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:01,629 INFO L142 QuantifierPusher]: treesize reduction 21, result has 73.8 percent of original size [2021-03-25 05:29:01,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:29:01,670 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-03-25 05:29:01,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:29:01,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:01,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:29:01,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:01,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:01,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:01,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:01,754 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 05:29:01,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301798881] [2021-03-25 05:29:01,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:01,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-25 05:29:01,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172339914] [2021-03-25 05:29:01,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-25 05:29:01,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:01,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-25 05:29:01,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-03-25 05:29:01,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 339 [2021-03-25 05:29:01,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 56 transitions, 613 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 05:29:01,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:01,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 339 [2021-03-25 05:29:01,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:02,198 INFO L129 PetriNetUnfolder]: 8/88 cut-off events. [2021-03-25 05:29:02,199 INFO L130 PetriNetUnfolder]: For 542/542 co-relation queries the response was YES. [2021-03-25 05:29:02,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 520 conditions, 88 events. 8/88 cut-off events. For 542/542 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 310 event pairs, 2 based on Foata normal form. 2/88 useless extension candidates. Maximal degree in co-relation 495. Up to 46 conditions per place. [2021-03-25 05:29:02,199 INFO L132 encePairwiseOnDemand]: 326/339 looper letters, 29 selfloop transitions, 5 changer transitions 20/56 dead transitions. [2021-03-25 05:29:02,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 56 transitions, 706 flow [2021-03-25 05:29:02,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1424 transitions. [2021-03-25 05:29:02,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4200589970501475 [2021-03-25 05:29:02,201 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1424 transitions. [2021-03-25 05:29:02,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1424 transitions. [2021-03-25 05:29:02,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:02,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1424 transitions. [2021-03-25 05:29:02,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 142.4) internal successors, (1424), 10 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states 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 05:29:02,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 339.0) internal successors, (3729), 11 states have internal predecessors, (3729), 0 states have call successors, (0), 0 states 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 05:29:02,204 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 339.0) internal successors, (3729), 11 states have internal predecessors, (3729), 0 states have call successors, (0), 0 states 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 05:29:02,204 INFO L185 Difference]: Start difference. First operand has 96 places, 56 transitions, 613 flow. Second operand 10 states and 1424 transitions. [2021-03-25 05:29:02,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 56 transitions, 706 flow [2021-03-25 05:29:02,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 56 transitions, 589 flow, removed 17 selfloop flow, removed 16 redundant places. [2021-03-25 05:29:02,206 INFO L241 Difference]: Finished difference. Result has 89 places, 36 transitions, 315 flow [2021-03-25 05:29:02,206 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=315, PETRI_PLACES=89, PETRI_TRANSITIONS=36} [2021-03-25 05:29:02,206 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 23 predicate places. [2021-03-25 05:29:02,206 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:02,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 36 transitions, 315 flow [2021-03-25 05:29:02,206 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 36 transitions, 315 flow [2021-03-25 05:29:02,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 36 transitions, 315 flow [2021-03-25 05:29:02,211 INFO L129 PetriNetUnfolder]: 4/56 cut-off events. [2021-03-25 05:29:02,211 INFO L130 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2021-03-25 05:29:02,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 56 events. 4/56 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 134 event pairs, 1 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 219. Up to 11 conditions per place. [2021-03-25 05:29:02,211 INFO L142 LiptonReduction]: Number of co-enabled transitions 4 [2021-03-25 05:29:02,460 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 05:29:02,461 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-25 05:29:02,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 255 [2021-03-25 05:29:02,461 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 34 transitions, 325 flow [2021-03-25 05:29:02,461 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 05:29:02,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:02,461 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 05:29:02,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-25 05:29:02,461 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 05:29:02,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:02,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1144929898, now seen corresponding path program 1 times [2021-03-25 05:29:02,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:02,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387572243] [2021-03-25 05:29:02,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:02,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:02,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:02,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:02,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:02,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:02,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:02,511 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-25 05:29:02,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:29:02,518 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:29:02,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:29:02,528 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-03-25 05:29:02,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:02,535 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-03-25 05:29:02,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:29:02,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:02,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:02,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:02,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:02,544 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 05:29:02,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387572243] [2021-03-25 05:29:02,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:02,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:29:02,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581612514] [2021-03-25 05:29:02,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:29:02,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:02,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:29:02,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:29:02,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 346 [2021-03-25 05:29:02,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 34 transitions, 325 flow. Second operand has 8 states, 8 states have (on average 154.75) internal successors, (1238), 8 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states 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 05:29:02,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:02,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 346 [2021-03-25 05:29:02,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:02,723 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2021-03-25 05:29:02,723 INFO L130 PetriNetUnfolder]: For 259/259 co-relation queries the response was YES. [2021-03-25 05:29:02,724 INFO L84 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 53 events. 5/53 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 137 event pairs, 0 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 276. Up to 17 conditions per place. [2021-03-25 05:29:02,724 INFO L132 encePairwiseOnDemand]: 339/346 looper letters, 20 selfloop transitions, 15 changer transitions 0/39 dead transitions. [2021-03-25 05:29:02,724 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 39 transitions, 429 flow [2021-03-25 05:29:02,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:29:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:29:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1100 transitions. [2021-03-25 05:29:02,725 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4541701073492981 [2021-03-25 05:29:02,725 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1100 transitions. [2021-03-25 05:29:02,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1100 transitions. [2021-03-25 05:29:02,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:02,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1100 transitions. [2021-03-25 05:29:02,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 157.14285714285714) internal successors, (1100), 7 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states 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 05:29:02,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 346.0) internal successors, (2768), 8 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states 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 05:29:02,727 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 346.0) internal successors, (2768), 8 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states 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 05:29:02,728 INFO L185 Difference]: Start difference. First operand has 67 places, 34 transitions, 325 flow. Second operand 7 states and 1100 transitions. [2021-03-25 05:29:02,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 39 transitions, 429 flow [2021-03-25 05:29:02,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 39 transitions, 315 flow, removed 5 selfloop flow, removed 22 redundant places. [2021-03-25 05:29:02,729 INFO L241 Difference]: Finished difference. Result has 52 places, 35 transitions, 264 flow [2021-03-25 05:29:02,729 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=346, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=264, PETRI_PLACES=52, PETRI_TRANSITIONS=35} [2021-03-25 05:29:02,729 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -14 predicate places. [2021-03-25 05:29:02,729 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:02,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 35 transitions, 264 flow [2021-03-25 05:29:02,729 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 35 transitions, 264 flow [2021-03-25 05:29:02,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 35 transitions, 264 flow [2021-03-25 05:29:02,734 INFO L129 PetriNetUnfolder]: 4/52 cut-off events. [2021-03-25 05:29:02,734 INFO L130 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2021-03-25 05:29:02,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 52 events. 4/52 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 144 event pairs, 1 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 180. Up to 12 conditions per place. [2021-03-25 05:29:02,734 INFO L142 LiptonReduction]: Number of co-enabled transitions 2 [2021-03-25 05:29:03,032 INFO L154 LiptonReduction]: Checked pairs total: 1 [2021-03-25 05:29:03,033 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:29:03,033 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 304 [2021-03-25 05:29:03,033 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 260 flow [2021-03-25 05:29:03,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 154.75) internal successors, (1238), 8 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states 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 05:29:03,033 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:03,033 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:03,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-25 05:29:03,033 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 05:29:03,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:03,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1627966757, now seen corresponding path program 1 times [2021-03-25 05:29:03,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:03,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970197107] [2021-03-25 05:29:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:03,068 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-03-25 05:29:03,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:03,077 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-03-25 05:29:03,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:03,091 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:03,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:03,105 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:03,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:03,120 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-03-25 05:29:03,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:03,137 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.1 percent of original size [2021-03-25 05:29:03,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 05:29:03,171 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:29:03,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:03,203 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-03-25 05:29:03,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:03,220 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:29:03,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:03,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:03,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:03,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:03,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:03,256 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 05:29:03,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970197107] [2021-03-25 05:29:03,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:03,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-25 05:29:03,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68726194] [2021-03-25 05:29:03,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-25 05:29:03,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:03,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-25 05:29:03,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-03-25 05:29:03,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 349 [2021-03-25 05:29:03,259 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 33 transitions, 260 flow. Second operand has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states 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 05:29:03,259 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:03,259 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 349 [2021-03-25 05:29:03,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:03,648 INFO L129 PetriNetUnfolder]: 4/46 cut-off events. [2021-03-25 05:29:03,648 INFO L130 PetriNetUnfolder]: For 155/155 co-relation queries the response was YES. [2021-03-25 05:29:03,649 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 46 events. 4/46 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 108 event pairs, 1 based on Foata normal form. 1/46 useless extension candidates. Maximal degree in co-relation 206. Up to 27 conditions per place. [2021-03-25 05:29:03,649 INFO L132 encePairwiseOnDemand]: 338/349 looper letters, 20 selfloop transitions, 6 changer transitions 6/34 dead transitions. [2021-03-25 05:29:03,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 34 transitions, 336 flow [2021-03-25 05:29:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1427 transitions. [2021-03-25 05:29:03,650 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40888252148997134 [2021-03-25 05:29:03,650 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1427 transitions. [2021-03-25 05:29:03,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1427 transitions. [2021-03-25 05:29:03,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:03,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1427 transitions. [2021-03-25 05:29:03,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 142.7) internal successors, (1427), 10 states have internal predecessors, (1427), 0 states have call successors, (0), 0 states 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 05:29:03,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 349.0) internal successors, (3839), 11 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states 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 05:29:03,653 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 349.0) internal successors, (3839), 11 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states 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 05:29:03,653 INFO L185 Difference]: Start difference. First operand has 50 places, 33 transitions, 260 flow. Second operand 10 states and 1427 transitions. [2021-03-25 05:29:03,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 34 transitions, 336 flow [2021-03-25 05:29:03,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 34 transitions, 305 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:03,654 INFO L241 Difference]: Finished difference. Result has 55 places, 28 transitions, 207 flow [2021-03-25 05:29:03,655 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=349, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=207, PETRI_PLACES=55, PETRI_TRANSITIONS=28} [2021-03-25 05:29:03,655 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -11 predicate places. [2021-03-25 05:29:03,655 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:03,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 28 transitions, 207 flow [2021-03-25 05:29:03,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 28 transitions, 207 flow [2021-03-25 05:29:03,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 28 transitions, 207 flow [2021-03-25 05:29:03,658 INFO L129 PetriNetUnfolder]: 4/38 cut-off events. [2021-03-25 05:29:03,658 INFO L130 PetriNetUnfolder]: For 74/74 co-relation queries the response was YES. [2021-03-25 05:29:03,658 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 38 events. 4/38 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 74 event pairs, 1 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 133. Up to 11 conditions per place. [2021-03-25 05:29:03,658 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:03,780 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:03,780 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:03,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-25 05:29:03,780 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 28 transitions, 210 flow [2021-03-25 05:29:03,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states 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 05:29:03,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:03,781 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:03,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 05:29:03,781 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 05:29:03,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:03,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1218570597, now seen corresponding path program 1 times [2021-03-25 05:29:03,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:03,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406403512] [2021-03-25 05:29:03,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:03,816 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-03-25 05:29:03,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:03,824 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-03-25 05:29:03,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:03,838 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:03,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:03,850 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:03,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:03,865 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.5 percent of original size [2021-03-25 05:29:03,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 05:29:03,903 INFO L142 QuantifierPusher]: treesize reduction 23, result has 68.1 percent of original size [2021-03-25 05:29:03,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 05:29:03,939 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-03-25 05:29:03,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:03,954 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:29:03,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:03,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:03,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:03,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:03,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:03,992 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 05:29:03,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406403512] [2021-03-25 05:29:03,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:03,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:03,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963256869] [2021-03-25 05:29:03,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:03,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:03,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:03,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:03,993 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 350 [2021-03-25 05:29:03,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 28 transitions, 210 flow. Second operand has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states 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 05:29:03,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:03,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 350 [2021-03-25 05:29:03,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:04,361 INFO L129 PetriNetUnfolder]: 3/41 cut-off events. [2021-03-25 05:29:04,361 INFO L130 PetriNetUnfolder]: For 91/91 co-relation queries the response was YES. [2021-03-25 05:29:04,361 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 41 events. 3/41 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 89 event pairs, 0 based on Foata normal form. 1/41 useless extension candidates. Maximal degree in co-relation 172. Up to 22 conditions per place. [2021-03-25 05:29:04,361 INFO L132 encePairwiseOnDemand]: 339/350 looper letters, 17 selfloop transitions, 7 changer transitions 6/32 dead transitions. [2021-03-25 05:29:04,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 32 transitions, 308 flow [2021-03-25 05:29:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1425 transitions. [2021-03-25 05:29:04,363 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.40714285714285714 [2021-03-25 05:29:04,363 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1425 transitions. [2021-03-25 05:29:04,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1425 transitions. [2021-03-25 05:29:04,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:04,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1425 transitions. [2021-03-25 05:29:04,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 142.5) internal successors, (1425), 10 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states 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 05:29:04,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states 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 05:29:04,366 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 350.0) internal successors, (3850), 11 states have internal predecessors, (3850), 0 states have call successors, (0), 0 states 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 05:29:04,366 INFO L185 Difference]: Start difference. First operand has 48 places, 28 transitions, 210 flow. Second operand 10 states and 1425 transitions. [2021-03-25 05:29:04,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 32 transitions, 308 flow [2021-03-25 05:29:04,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 32 transitions, 276 flow, removed 3 selfloop flow, removed 9 redundant places. [2021-03-25 05:29:04,367 INFO L241 Difference]: Finished difference. Result has 51 places, 26 transitions, 194 flow [2021-03-25 05:29:04,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=194, PETRI_PLACES=51, PETRI_TRANSITIONS=26} [2021-03-25 05:29:04,367 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -15 predicate places. [2021-03-25 05:29:04,367 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:04,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 26 transitions, 194 flow [2021-03-25 05:29:04,367 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 26 transitions, 194 flow [2021-03-25 05:29:04,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 26 transitions, 194 flow [2021-03-25 05:29:04,370 INFO L129 PetriNetUnfolder]: 3/33 cut-off events. [2021-03-25 05:29:04,370 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2021-03-25 05:29:04,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 33 events. 3/33 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 109. Up to 11 conditions per place. [2021-03-25 05:29:04,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:04,711 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:04,711 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:04,712 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 345 [2021-03-25 05:29:04,712 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 26 transitions, 202 flow [2021-03-25 05:29:04,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states 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 05:29:04,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:04,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:04,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-25 05:29:04,712 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 05:29:04,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:04,712 INFO L82 PathProgramCache]: Analyzing trace with hash 504137294, now seen corresponding path program 1 times [2021-03-25 05:29:04,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:04,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475866526] [2021-03-25 05:29:04,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:04,749 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.1 percent of original size [2021-03-25 05:29:04,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:04,758 INFO L142 QuantifierPusher]: treesize reduction 7, result has 85.4 percent of original size [2021-03-25 05:29:04,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:04,772 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:29:04,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:04,793 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.5 percent of original size [2021-03-25 05:29:04,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:04,809 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.0 percent of original size [2021-03-25 05:29:04,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 05:29:04,846 INFO L142 QuantifierPusher]: treesize reduction 36, result has 54.4 percent of original size [2021-03-25 05:29:04,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:29:04,880 INFO L142 QuantifierPusher]: treesize reduction 8, result has 79.5 percent of original size [2021-03-25 05:29:04,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:04,895 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:29:04,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:04,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:04,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:04,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:04,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:04,928 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 05:29:04,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475866526] [2021-03-25 05:29:04,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:04,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:04,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315781736] [2021-03-25 05:29:04,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:04,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:04,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:04,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:04,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 351 [2021-03-25 05:29:04,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 26 transitions, 202 flow. Second operand has 11 states, 11 states have (on average 140.0) internal successors, (1540), 11 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states 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 05:29:04,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:04,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 351 [2021-03-25 05:29:04,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:05,294 INFO L129 PetriNetUnfolder]: 2/38 cut-off events. [2021-03-25 05:29:05,294 INFO L130 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2021-03-25 05:29:05,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 38 events. 2/38 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 91 event pairs, 0 based on Foata normal form. 1/38 useless extension candidates. Maximal degree in co-relation 155. Up to 21 conditions per place. [2021-03-25 05:29:05,294 INFO L132 encePairwiseOnDemand]: 341/351 looper letters, 17 selfloop transitions, 4 changer transitions 6/29 dead transitions. [2021-03-25 05:29:05,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 29 transitions, 279 flow [2021-03-25 05:29:05,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:05,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1413 transitions. [2021-03-25 05:29:05,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4025641025641026 [2021-03-25 05:29:05,296 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1413 transitions. [2021-03-25 05:29:05,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1413 transitions. [2021-03-25 05:29:05,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:05,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1413 transitions. [2021-03-25 05:29:05,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 141.3) internal successors, (1413), 10 states have internal predecessors, (1413), 0 states have call successors, (0), 0 states 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 05:29:05,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 351.0) internal successors, (3861), 11 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states 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 05:29:05,299 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 351.0) internal successors, (3861), 11 states have internal predecessors, (3861), 0 states have call successors, (0), 0 states 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 05:29:05,299 INFO L185 Difference]: Start difference. First operand has 46 places, 26 transitions, 202 flow. Second operand 10 states and 1413 transitions. [2021-03-25 05:29:05,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 29 transitions, 279 flow [2021-03-25 05:29:05,299 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 29 transitions, 231 flow, removed 15 selfloop flow, removed 10 redundant places. [2021-03-25 05:29:05,299 INFO L241 Difference]: Finished difference. Result has 48 places, 23 transitions, 148 flow [2021-03-25 05:29:05,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=158, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=148, PETRI_PLACES=48, PETRI_TRANSITIONS=23} [2021-03-25 05:29:05,300 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -18 predicate places. [2021-03-25 05:29:05,300 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:05,300 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 23 transitions, 148 flow [2021-03-25 05:29:05,300 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 23 transitions, 148 flow [2021-03-25 05:29:05,300 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 23 transitions, 148 flow [2021-03-25 05:29:05,303 INFO L129 PetriNetUnfolder]: 2/30 cut-off events. [2021-03-25 05:29:05,303 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-03-25 05:29:05,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 30 events. 2/30 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 86. Up to 6 conditions per place. [2021-03-25 05:29:05,303 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:05,303 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:05,303 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:05,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-25 05:29:05,304 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 23 transitions, 148 flow [2021-03-25 05:29:05,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 140.0) internal successors, (1540), 11 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states 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 05:29:05,304 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:05,304 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:05,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-25 05:29:05,304 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 05:29:05,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:05,304 INFO L82 PathProgramCache]: Analyzing trace with hash -25652528, now seen corresponding path program 1 times [2021-03-25 05:29:05,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:05,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84518960] [2021-03-25 05:29:05,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:05,339 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.7 percent of original size [2021-03-25 05:29:05,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:29:05,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.3 percent of original size [2021-03-25 05:29:05,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 05:29:05,389 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size [2021-03-25 05:29:05,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 05:29:05,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size [2021-03-25 05:29:05,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 05:29:05,444 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:29:05,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:05,456 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-25 05:29:05,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:29:05,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:05,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:29:05,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:05,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:05,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:05,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:05,494 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 05:29:05,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84518960] [2021-03-25 05:29:05,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:05,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:05,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017078507] [2021-03-25 05:29:05,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:05,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:05,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:05,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:05,496 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 351 [2021-03-25 05:29:05,497 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 23 transitions, 148 flow. Second operand has 10 states, 10 states have (on average 150.0) internal successors, (1500), 10 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states 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 05:29:05,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:05,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 351 [2021-03-25 05:29:05,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:05,714 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-25 05:29:05,715 INFO L130 PetriNetUnfolder]: For 47/47 co-relation queries the response was YES. [2021-03-25 05:29:05,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 33 events. 1/33 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 114. Up to 9 conditions per place. [2021-03-25 05:29:05,715 INFO L132 encePairwiseOnDemand]: 339/351 looper letters, 11 selfloop transitions, 10 changer transitions 3/26 dead transitions. [2021-03-25 05:29:05,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 26 transitions, 211 flow [2021-03-25 05:29:05,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:29:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:29:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1363 transitions. [2021-03-25 05:29:05,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4314656536878759 [2021-03-25 05:29:05,716 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1363 transitions. [2021-03-25 05:29:05,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1363 transitions. [2021-03-25 05:29:05,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:05,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1363 transitions. [2021-03-25 05:29:05,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.44444444444446) internal successors, (1363), 9 states have internal predecessors, (1363), 0 states have call successors, (0), 0 states 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 05:29:05,719 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 351.0) internal successors, (3510), 10 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states 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 05:29:05,719 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 351.0) internal successors, (3510), 10 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states 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 05:29:05,719 INFO L185 Difference]: Start difference. First operand has 41 places, 23 transitions, 148 flow. Second operand 9 states and 1363 transitions. [2021-03-25 05:29:05,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 26 transitions, 211 flow [2021-03-25 05:29:05,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 26 transitions, 187 flow, removed 8 selfloop flow, removed 9 redundant places. [2021-03-25 05:29:05,720 INFO L241 Difference]: Finished difference. Result has 42 places, 23 transitions, 148 flow [2021-03-25 05:29:05,720 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=148, PETRI_PLACES=42, PETRI_TRANSITIONS=23} [2021-03-25 05:29:05,720 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -24 predicate places. [2021-03-25 05:29:05,720 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:05,720 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 23 transitions, 148 flow [2021-03-25 05:29:05,720 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 23 transitions, 148 flow [2021-03-25 05:29:05,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 23 transitions, 148 flow [2021-03-25 05:29:05,723 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2021-03-25 05:29:05,723 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-03-25 05:29:05,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 28 events. 1/28 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 80. Up to 6 conditions per place. [2021-03-25 05:29:05,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:06,035 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:06,036 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:06,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 316 [2021-03-25 05:29:06,036 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 23 transitions, 150 flow [2021-03-25 05:29:06,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 150.0) internal successors, (1500), 10 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states 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 05:29:06,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:06,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:06,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-25 05:29:06,036 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 05:29:06,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:06,037 INFO L82 PathProgramCache]: Analyzing trace with hash -916850293, now seen corresponding path program 1 times [2021-03-25 05:29:06,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:06,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049868374] [2021-03-25 05:29:06,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:06,072 INFO L142 QuantifierPusher]: treesize reduction 15, result has 79.7 percent of original size [2021-03-25 05:29:06,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:29:06,094 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.3 percent of original size [2021-03-25 05:29:06,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-25 05:29:06,126 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size [2021-03-25 05:29:06,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 05:29:06,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.0 percent of original size [2021-03-25 05:29:06,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-03-25 05:29:06,186 INFO L142 QuantifierPusher]: treesize reduction 2, result has 94.1 percent of original size [2021-03-25 05:29:06,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:06,199 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.9 percent of original size [2021-03-25 05:29:06,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:29:06,220 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-03-25 05:29:06,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:06,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:06,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:06,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:06,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:06,253 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 05:29:06,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049868374] [2021-03-25 05:29:06,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:06,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:06,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022406880] [2021-03-25 05:29:06,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:06,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:06,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:06,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:06,255 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 352 [2021-03-25 05:29:06,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 23 transitions, 150 flow. Second operand has 10 states, 10 states have (on average 150.0) internal successors, (1500), 10 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states 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 05:29:06,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:06,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 352 [2021-03-25 05:29:06,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:06,498 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-03-25 05:29:06,499 INFO L130 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2021-03-25 05:29:06,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 26 events. 1/26 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 1/26 useless extension candidates. Maximal degree in co-relation 97. Up to 8 conditions per place. [2021-03-25 05:29:06,499 INFO L132 encePairwiseOnDemand]: 343/352 looper letters, 10 selfloop transitions, 6 changer transitions 4/22 dead transitions. [2021-03-25 05:29:06,499 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 22 transitions, 181 flow [2021-03-25 05:29:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:29:06,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:29:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1359 transitions. [2021-03-25 05:29:06,500 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4289772727272727 [2021-03-25 05:29:06,500 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1359 transitions. [2021-03-25 05:29:06,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1359 transitions. [2021-03-25 05:29:06,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:06,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1359 transitions. [2021-03-25 05:29:06,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.0) internal successors, (1359), 9 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states 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 05:29:06,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states 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 05:29:06,506 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 352.0) internal successors, (3520), 10 states have internal predecessors, (3520), 0 states have call successors, (0), 0 states 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 05:29:06,506 INFO L185 Difference]: Start difference. First operand has 41 places, 23 transitions, 150 flow. Second operand 9 states and 1359 transitions. [2021-03-25 05:29:06,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 22 transitions, 181 flow [2021-03-25 05:29:06,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 22 transitions, 159 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-25 05:29:06,507 INFO L241 Difference]: Finished difference. Result has 42 places, 18 transitions, 103 flow [2021-03-25 05:29:06,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=352, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=103, PETRI_PLACES=42, PETRI_TRANSITIONS=18} [2021-03-25 05:29:06,508 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -24 predicate places. [2021-03-25 05:29:06,508 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:06,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 18 transitions, 103 flow [2021-03-25 05:29:06,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 18 transitions, 103 flow [2021-03-25 05:29:06,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 18 transitions, 103 flow [2021-03-25 05:29:06,510 INFO L129 PetriNetUnfolder]: 1/20 cut-off events. [2021-03-25 05:29:06,510 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-03-25 05:29:06,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 20 events. 1/20 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 12 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 51. Up to 4 conditions per place. [2021-03-25 05:29:06,510 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:06,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:06,633 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:06,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-03-25 05:29:06,633 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 17 transitions, 101 flow [2021-03-25 05:29:06,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 150.0) internal successors, (1500), 10 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states 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 05:29:06,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:06,633 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:06,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-25 05:29:06,634 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 05:29:06,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:06,634 INFO L82 PathProgramCache]: Analyzing trace with hash 965673973, now seen corresponding path program 1 times [2021-03-25 05:29:06,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:06,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434075328] [2021-03-25 05:29:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:06,663 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-03-25 05:29:06,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:06,672 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-03-25 05:29:06,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:06,686 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:06,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:06,700 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:06,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:06,714 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-25 05:29:06,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:06,724 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 05:29:06,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:29:06,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:06,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:06,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:06,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:06,744 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 05:29:06,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434075328] [2021-03-25 05:29:06,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:06,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:29:06,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575510467] [2021-03-25 05:29:06,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:29:06,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:06,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:29:06,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:29:06,746 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 353 [2021-03-25 05:29:06,746 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 17 transitions, 101 flow. Second operand has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states 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 05:29:06,746 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:06,746 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 353 [2021-03-25 05:29:06,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:06,928 INFO L129 PetriNetUnfolder]: 0/18 cut-off events. [2021-03-25 05:29:06,928 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2021-03-25 05:29:06,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 18 events. 0/18 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 10 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-25 05:29:06,928 INFO L132 encePairwiseOnDemand]: 345/353 looper letters, 5 selfloop transitions, 6 changer transitions 3/16 dead transitions. [2021-03-25 05:29:06,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 16 transitions, 124 flow [2021-03-25 05:29:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1294 transitions. [2021-03-25 05:29:06,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45821529745042494 [2021-03-25 05:29:06,929 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1294 transitions. [2021-03-25 05:29:06,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1294 transitions. [2021-03-25 05:29:06,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:06,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1294 transitions. [2021-03-25 05:29:06,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 161.75) internal successors, (1294), 8 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states 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 05:29:06,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states 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 05:29:06,941 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 353.0) internal successors, (3177), 9 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states 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 05:29:06,941 INFO L185 Difference]: Start difference. First operand has 35 places, 17 transitions, 101 flow. Second operand 8 states and 1294 transitions. [2021-03-25 05:29:06,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 16 transitions, 124 flow [2021-03-25 05:29:06,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 16 transitions, 84 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-25 05:29:06,941 INFO L241 Difference]: Finished difference. Result has 30 places, 13 transitions, 51 flow [2021-03-25 05:29:06,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=51, PETRI_PLACES=30, PETRI_TRANSITIONS=13} [2021-03-25 05:29:06,941 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -36 predicate places. [2021-03-25 05:29:06,941 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:06,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 13 transitions, 51 flow [2021-03-25 05:29:06,942 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 13 transitions, 51 flow [2021-03-25 05:29:06,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 13 transitions, 51 flow [2021-03-25 05:29:06,944 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-25 05:29:06,944 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:29:06,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 13 events. 0/13 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 05:29:06,944 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:06,944 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:06,944 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:06,944 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-25 05:29:06,945 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 13 transitions, 51 flow [2021-03-25 05:29:06,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states 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 05:29:06,945 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:06,945 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:06,945 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-25 05:29:06,945 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 05:29:06,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:06,945 INFO L82 PathProgramCache]: Analyzing trace with hash -699747360, now seen corresponding path program 1 times [2021-03-25 05:29:06,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:06,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017001085] [2021-03-25 05:29:06,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:06,981 INFO L142 QuantifierPusher]: treesize reduction 10, result has 76.2 percent of original size [2021-03-25 05:29:06,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:06,989 INFO L142 QuantifierPusher]: treesize reduction 4, result has 91.1 percent of original size [2021-03-25 05:29:06,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:07,002 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:07,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:07,014 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-03-25 05:29:07,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:07,028 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.0 percent of original size [2021-03-25 05:29:07,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:07,040 INFO L142 QuantifierPusher]: treesize reduction 6, result has 77.8 percent of original size [2021-03-25 05:29:07,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 05:29:07,053 INFO L142 QuantifierPusher]: treesize reduction 6, result has 76.9 percent of original size [2021-03-25 05:29:07,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:29:07,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:07,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:07,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:07,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:07,078 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 05:29:07,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017001085] [2021-03-25 05:29:07,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:07,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:07,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657510043] [2021-03-25 05:29:07,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:07,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:07,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:07,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:07,080 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 353 [2021-03-25 05:29:07,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 13 transitions, 51 flow. Second operand has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states 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 05:29:07,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:07,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 353 [2021-03-25 05:29:07,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:07,280 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-25 05:29:07,280 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 05:29:07,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 12 events. 0/12 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 05:29:07,281 INFO L132 encePairwiseOnDemand]: 344/353 looper letters, 2 selfloop transitions, 8 changer transitions 0/12 dead transitions. [2021-03-25 05:29:07,281 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 12 transitions, 67 flow [2021-03-25 05:29:07,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:29:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:29:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1361 transitions. [2021-03-25 05:29:07,282 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42839156436890147 [2021-03-25 05:29:07,282 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1361 transitions. [2021-03-25 05:29:07,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1361 transitions. [2021-03-25 05:29:07,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:07,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1361 transitions. [2021-03-25 05:29:07,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.22222222222223) internal successors, (1361), 9 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states 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 05:29:07,284 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states 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 05:29:07,284 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 353.0) internal successors, (3530), 10 states have internal predecessors, (3530), 0 states have call successors, (0), 0 states 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 05:29:07,285 INFO L185 Difference]: Start difference. First operand has 26 places, 13 transitions, 51 flow. Second operand 9 states and 1361 transitions. [2021-03-25 05:29:07,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 12 transitions, 67 flow [2021-03-25 05:29:07,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 12 transitions, 49 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-03-25 05:29:07,285 INFO L241 Difference]: Finished difference. Result has 24 places, 12 transitions, 45 flow [2021-03-25 05:29:07,285 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=45, PETRI_PLACES=24, PETRI_TRANSITIONS=12} [2021-03-25 05:29:07,285 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -42 predicate places. [2021-03-25 05:29:07,285 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:07,285 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 24 places, 12 transitions, 45 flow [2021-03-25 05:29:07,285 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 12 transitions, 45 flow [2021-03-25 05:29:07,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 12 transitions, 45 flow [2021-03-25 05:29:07,287 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-25 05:29:07,287 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:29:07,287 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 12 events. 0/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 05:29:07,287 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:07,287 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:07,287 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:07,287 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-25 05:29:07,288 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 12 transitions, 45 flow [2021-03-25 05:29:07,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 0 states have call successors, (0), 0 states 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 05:29:07,288 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:07,288 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:07,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-25 05:29:07,288 INFO L428 AbstractCegarLoop]: === Iteration 47 === [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 05:29:07,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:07,288 INFO L82 PathProgramCache]: Analyzing trace with hash -699747368, now seen corresponding path program 1 times [2021-03-25 05:29:07,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:07,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375495153] [2021-03-25 05:29:07,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:07,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:07,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:07,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:07,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:07,325 INFO L142 QuantifierPusher]: treesize reduction 4, result has 75.0 percent of original size [2021-03-25 05:29:07,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:29:07,331 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-03-25 05:29:07,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:29:07,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:07,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:07,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:07,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:07,347 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 05:29:07,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375495153] [2021-03-25 05:29:07,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:07,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:29:07,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429557998] [2021-03-25 05:29:07,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:29:07,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:07,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:29:07,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:29:07,349 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 353 [2021-03-25 05:29:07,349 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 12 transitions, 45 flow. Second operand has 7 states, 7 states have (on average 154.42857142857142) internal successors, (1081), 7 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states 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 05:29:07,349 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:07,349 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 353 [2021-03-25 05:29:07,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:07,460 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-25 05:29:07,460 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:29:07,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 11 events. 0/11 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/12 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 05:29:07,461 INFO L132 encePairwiseOnDemand]: 347/353 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2021-03-25 05:29:07,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 11 transitions, 58 flow [2021-03-25 05:29:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:29:07,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:29:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1081 transitions. [2021-03-25 05:29:07,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4374747065965196 [2021-03-25 05:29:07,462 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1081 transitions. [2021-03-25 05:29:07,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1081 transitions. [2021-03-25 05:29:07,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:07,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1081 transitions. [2021-03-25 05:29:07,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 154.42857142857142) internal successors, (1081), 7 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states 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 05:29:07,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:07,464 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 353.0) internal successors, (2824), 8 states have internal predecessors, (2824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:07,464 INFO L185 Difference]: Start difference. First operand has 24 places, 12 transitions, 45 flow. Second operand 7 states and 1081 transitions. [2021-03-25 05:29:07,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 11 transitions, 58 flow [2021-03-25 05:29:07,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 11 transitions, 43 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-25 05:29:07,464 INFO L241 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2021-03-25 05:29:07,464 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=353, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2021-03-25 05:29:07,464 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, -45 predicate places. [2021-03-25 05:29:07,465 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:07,465 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 0 transitions, 0 flow [2021-03-25 05:29:07,465 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 0 transitions, 0 flow [2021-03-25 05:29:07,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 05:29:07,465 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 05:29:07,465 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:29:07,465 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 05:29:07,465 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:07,465 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:07,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:07,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-03-25 05:29:07,465 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 05:29:07,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 154.42857142857142) internal successors, (1081), 7 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states 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 05:29:07,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-25 05:29:07,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:29:07 BasicIcfg [2021-03-25 05:29:07,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 05:29:07,478 INFO L168 Benchmark]: Toolchain (without parser) took 51372.62 ms. Allocated memory was 255.9 MB in the beginning and 614.5 MB in the end (delta: 358.6 MB). Free memory was 235.7 MB in the beginning and 304.4 MB in the end (delta: -68.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:07,478 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 05:29:07,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.00 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 235.5 MB in the beginning and 315.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:07,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.98 ms. Allocated memory is still 348.1 MB. Free memory was 315.0 MB in the beginning and 311.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:07,478 INFO L168 Benchmark]: Boogie Preprocessor took 30.86 ms. Allocated memory is still 348.1 MB. Free memory was 311.0 MB in the beginning and 308.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:07,478 INFO L168 Benchmark]: RCFGBuilder took 552.52 ms. Allocated memory is still 348.1 MB. Free memory was 308.9 MB in the beginning and 261.8 MB in the end (delta: 47.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:07,478 INFO L168 Benchmark]: TraceAbstraction took 50014.07 ms. Allocated memory was 348.1 MB in the beginning and 614.5 MB in the end (delta: 266.3 MB). Free memory was 260.7 MB in the beginning and 304.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 222.6 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:07,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 704.00 ms. Allocated memory was 255.9 MB in the beginning and 348.1 MB in the end (delta: 92.3 MB). Free memory was 235.5 MB in the beginning and 315.0 MB in the end (delta: -79.5 MB). Peak memory consumption was 70.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 67.98 ms. Allocated memory is still 348.1 MB. Free memory was 315.0 MB in the beginning and 311.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.86 ms. Allocated memory is still 348.1 MB. Free memory was 311.0 MB in the beginning and 308.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 552.52 ms. Allocated memory is still 348.1 MB. Free memory was 308.9 MB in the beginning and 261.8 MB in the end (delta: 47.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 50014.07 ms. Allocated memory was 348.1 MB in the beginning and 614.5 MB in the end (delta: 266.3 MB). Free memory was 260.7 MB in the beginning and 304.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 222.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2260.7ms, 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: 1804, positive: 1718, positive conditional: 0, positive unconditional: 1718, 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: 1235, positive: 1205, positive conditional: 0, positive unconditional: 1205, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1235, positive: 1205, positive conditional: 0, positive unconditional: 1205, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1804, positive: 513, positive conditional: 0, positive unconditional: 513, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 1235, unknown conditional: 0, unknown unconditional: 1235] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 70, Positive conditional cache size: 0, Positive unconditional cache size: 70, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1526.3ms, 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: 240, positive: 166, positive conditional: 0, positive unconditional: 166, 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: 94, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 94, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 240, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 94, unknown conditional: 0, unknown unconditional: 94] , Statistics on independence cache: Total cache size (in pairs): 73, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2245.0ms, 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: 101, positive: 31, positive conditional: 0, positive unconditional: 31, 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: 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] , Cache Queries: [ total: 101, positive: 31, positive conditional: 0, positive unconditional: 31, 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): 68, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6857.9ms, 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: 50, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 50, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 132.4ms, 38 PlacesBefore, 37 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 639 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 64, positive conditional: 0, positive unconditional: 64, 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: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 96, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 43, Positive conditional cache size: 0, Positive unconditional cache size: 43, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.2ms, 30 PlacesBefore, 30 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 67 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 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: 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] , Cache Queries: [ total: 14, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.1ms, 37 PlacesBefore, 37 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 24, positive conditional: 0, positive unconditional: 24, 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: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 30, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0ms, 46 PlacesBefore, 46 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 160 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 109 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: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 26, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 41 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.7ms, 60 PlacesBefore, 60 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 198 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 175 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 53, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 53, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.7ms, 66 PlacesBefore, 66 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 164 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 0, 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: 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] , Cache Queries: [ total: 31, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.5ms, 72 PlacesBefore, 72 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 213 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 50, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 13, negative conditional: 0, negative unconditional: 13, 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: 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] , Cache Queries: [ total: 50, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37.2ms, 87 PlacesBefore, 82 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 334 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 19, negative conditional: 0, negative unconditional: 19, 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: 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] , Cache Queries: [ total: 47, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.8ms, 82 PlacesBefore, 82 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 289 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 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] , Cache Queries: [ total: 29, positive: 12, positive conditional: 0, positive unconditional: 12, 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): 89, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.7ms, 95 PlacesBefore, 89 PlacesAfterwards, 83 TransitionsBefore, 82 TransitionsAfterwards, 224 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 420 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.0ms, 99 PlacesBefore, 96 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 625 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 37, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.1ms, 106 PlacesBefore, 103 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 292 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 16, negative conditional: 0, negative unconditional: 16, 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: 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] , Cache Queries: [ total: 28, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.3ms, 108 PlacesBefore, 106 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 296 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 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] , Cache Queries: [ total: 29, positive: 12, positive conditional: 0, positive unconditional: 12, 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): 79, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 256.7ms, 99 PlacesBefore, 95 PlacesAfterwards, 77 TransitionsBefore, 76 TransitionsAfterwards, 100 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 251 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 28, negative conditional: 0, negative unconditional: 28, 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: 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] , Cache Queries: [ total: 67, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 44, Positive conditional cache size: 0, Positive unconditional cache size: 44, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.8ms, 101 PlacesBefore, 97 PlacesAfterwards, 75 TransitionsBefore, 74 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 108 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 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: 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] , Cache Queries: [ total: 23, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.4ms, 98 PlacesBefore, 92 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 132 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 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] , Cache Queries: [ total: 29, positive: 9, positive conditional: 0, positive unconditional: 9, 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): 58, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1ms, 99 PlacesBefore, 93 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 80 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 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] , Cache Queries: [ total: 17, positive: 4, positive conditional: 0, positive unconditional: 4, 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): 59, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.9ms, 99 PlacesBefore, 96 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 128 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, 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: 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] , Cache Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.3ms, 101 PlacesBefore, 99 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 80 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 106 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 0, 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: 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] , Cache Queries: [ total: 17, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.4ms, 106 PlacesBefore, 103 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 122 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, 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: 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] , Cache Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.9ms, 108 PlacesBefore, 106 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 82 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, 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: 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] , Cache Queries: [ total: 18, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.8ms, 114 PlacesBefore, 109 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, 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: 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: 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] , Cache Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.8ms, 119 PlacesBefore, 112 PlacesAfterwards, 80 TransitionsBefore, 79 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 28, negative conditional: 0, negative unconditional: 28, 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: 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] , Cache Queries: [ total: 82, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.9ms, 114 PlacesBefore, 110 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 61 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 21, positive conditional: 0, positive unconditional: 21, 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: 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] , Cache Queries: [ total: 33, positive: 21, positive conditional: 0, positive unconditional: 21, 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): 57, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 141.9ms, 111 PlacesBefore, 108 PlacesAfterwards, 70 TransitionsBefore, 69 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 0, 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: 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] , Cache Queries: [ total: 12, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 42, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.6ms, 103 PlacesBefore, 97 PlacesAfterwards, 67 TransitionsBefore, 65 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ 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] , 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: 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] , Cache Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, 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): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.1ms, 106 PlacesBefore, 106 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 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: 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] , 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): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 105 PlacesBefore, 99 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 40 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 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: 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] , 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): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1ms, 107 PlacesBefore, 107 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 42 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 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: 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] , 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): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.7ms, 117 PlacesBefore, 117 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 42 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: 0, 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 364.3ms, 120 PlacesBefore, 118 PlacesAfterwards, 89 TransitionsBefore, 88 TransitionsAfterwards, 22 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 12 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ 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] , 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: 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] , Cache Queries: [ 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] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.2ms, 117 PlacesBefore, 106 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 12 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: 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] , 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): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1148.0ms, 102 PlacesBefore, 96 PlacesAfterwards, 58 TransitionsBefore, 56 TransitionsAfterwards, 6 CoEnabledTransitionPairs, 4 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 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: 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] , 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): 32, Positive cache size: 21, Positive conditional cache size: 0, Positive unconditional cache size: 21, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 254.3ms, 89 PlacesBefore, 67 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 4 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 303.2ms, 52 PlacesBefore, 50 PlacesAfterwards, 35 TransitionsBefore, 33 TransitionsAfterwards, 2 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 125.3ms, 55 PlacesBefore, 48 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , 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): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 344.3ms, 51 PlacesBefore, 46 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3ms, 48 PlacesBefore, 41 PlacesAfterwards, 23 TransitionsBefore, 23 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: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 315.4ms, 42 PlacesBefore, 41 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.9ms, 42 PlacesBefore, 35 PlacesAfterwards, 18 TransitionsBefore, 17 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7ms, 30 PlacesBefore, 26 PlacesAfterwards, 13 TransitionsBefore, 13 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: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.9ms, 24 PlacesBefore, 24 PlacesAfterwards, 12 TransitionsBefore, 12 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: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 21 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: 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] , 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): 5, Positive cache size: 5, Positive conditional cache size: 0, Positive unconditional cache size: 5, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 49930.6ms, OverallIterations: 47, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 20471.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2336.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 459 SDtfs, 1167 SDslu, 614 SDs, 0 SdLazy, 10932 SolverSat, 837 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9158.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 724 GetRequests, 45 SyntacticMatches, 67 SemanticMatches, 612 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 15575.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1168occurred in iteration=17, InterpolantAutomatonStates: 443, 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: 56.8ms SsaConstructionTime, 701.0ms SatisfiabilityAnalysisTime, 10439.8ms InterpolantComputationTime, 782 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 735 ConstructedInterpolants, 0 QuantifiedInterpolants, 17266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 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...