/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:31:43,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:31:43,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:31:43,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:31:43,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:31:43,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:31:43,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:31:43,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:31:43,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:31:43,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:31:43,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:31:43,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:31:43,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:31:43,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:31:43,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:31:43,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:31:43,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:31:43,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:31:43,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:31:43,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:31:43,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:31:43,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:31:43,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:31:43,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:31:43,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:31:43,867 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:31:43,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:31:43,867 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:31:43,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:31:43,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:31:43,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:31:43,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:31:43,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:31:43,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:31:43,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:31:43,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:31:43,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:31:43,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:31:43,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:31:43,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:31:43,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:31:43,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:31:43,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:31:43,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:31:43,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:31:43,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:31:43,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:31:43,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:31:43,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:31:43,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:31:43,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:31:43,874 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:31:44,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:31:44,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:31:44,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:31:44,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:31:44,453 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:31:44,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i [2021-04-29 00:31:44,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57308f6f2/fa15567188ce4489b76137963f06e844/FLAG3e1bb6214 [2021-04-29 00:31:45,503 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:31:45,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i [2021-04-29 00:31:45,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57308f6f2/fa15567188ce4489b76137963f06e844/FLAG3e1bb6214 [2021-04-29 00:31:45,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57308f6f2/fa15567188ce4489b76137963f06e844 [2021-04-29 00:31:45,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:31:45,816 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:31:45,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:31:45,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:31:45,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:31:45,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:31:45" (1/1) ... [2021-04-29 00:31:45,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f338ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:45, skipping insertion in model container [2021-04-29 00:31:45,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:31:45" (1/1) ... [2021-04-29 00:31:45,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:31:45,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:31:46,103 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i[950,963] [2021-04-29 00:31:46,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:31:46,417 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:31:46,443 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_tso.oepc.i[950,963] [2021-04-29 00:31:46,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:31:46,744 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:31:46,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46 WrapperNode [2021-04-29 00:31:46,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:31:46,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:31:46,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:31:46,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:31:46,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:31:46,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:31:46,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:31:46,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:31:46,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... [2021-04-29 00:31:46,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:31:46,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:31:46,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:31:46,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:31:46,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:31:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:31:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:31:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:31:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:31:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:31:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:31:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:31:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:31:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:31:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:31:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-29 00:31:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-29 00:31:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:31:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:31:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:31:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:31:47,012 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:31:47,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:31:47,594 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-29 00:31:47,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:31:47 BoogieIcfgContainer [2021-04-29 00:31:47,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:31:47,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:31:47,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:31:47,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:31:47,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:31:45" (1/3) ... [2021-04-29 00:31:47,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f8bdef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:31:47, skipping insertion in model container [2021-04-29 00:31:47,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:31:46" (2/3) ... [2021-04-29 00:31:47,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f8bdef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:31:47, skipping insertion in model container [2021-04-29 00:31:47,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:31:47" (3/3) ... [2021-04-29 00:31:47,611 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_tso.oepc.i [2021-04-29 00:31:47,624 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:31:47,636 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 00:31:47,638 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:31:47,694 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,695 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,695 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,696 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,696 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,697 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,697 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,698 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,699 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,699 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,700 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,701 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,702 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,703 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,703 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,705 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,705 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,707 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,708 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,709 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,709 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,710 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,710 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,710 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,711 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,711 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,712 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,715 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,717 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,725 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,726 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,727 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,727 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,731 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,732 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,736 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,737 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:31:47,740 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:31:47,777 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-29 00:31:47,811 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:31:47,811 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:31:47,811 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:31:47,811 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:31:47,812 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:31:47,812 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:31:47,812 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:31:47,812 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:31:47,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 87 transitions, 194 flow [2021-04-29 00:31:47,894 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-04-29 00:31:47,895 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:31:47,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-04-29 00:31:47,902 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 87 transitions, 194 flow [2021-04-29 00:31:47,910 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 69 transitions, 150 flow [2021-04-29 00:31:47,913 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:31:47,948 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 69 transitions, 150 flow [2021-04-29 00:31:47,960 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 69 transitions, 150 flow [2021-04-29 00:31:47,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 69 transitions, 150 flow [2021-04-29 00:31:48,043 INFO L129 PetriNetUnfolder]: 1/69 cut-off events. [2021-04-29 00:31:48,044 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:31:48,045 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 69 events. 1/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-04-29 00:31:48,050 INFO L146 LiptonReduction]: Number of co-enabled transitions 1250 [2021-04-29 00:31:53,675 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:31:53,871 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:31:54,058 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:31:54,215 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:31:54,385 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:31:54,578 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:31:54,758 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 00:31:54,926 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 00:31:55,082 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:31:55,238 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:31:55,504 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:31:55,653 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:31:55,861 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:31:56,114 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:31:56,339 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:31:56,566 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:31:56,771 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:31:56,976 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:31:57,358 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-29 00:31:57,472 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:31:57,717 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-29 00:31:57,836 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:31:58,704 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:31:59,079 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-29 00:31:59,190 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:31:59,449 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-29 00:31:59,566 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:32:01,302 INFO L158 LiptonReduction]: Checked pairs total: 8994 [2021-04-29 00:32:01,303 INFO L160 LiptonReduction]: Total number of compositions: 102 [2021-04-29 00:32:01,308 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13398 [2021-04-29 00:32:01,336 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-04-29 00:32:01,336 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:32:01,336 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:01,338 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:01,339 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:01,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:01,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2132360900, now seen corresponding path program 1 times [2021-04-29 00:32:01,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:01,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863631267] [2021-04-29 00:32:01,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:01,908 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:01,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:01,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863631267] [2021-04-29 00:32:01,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:01,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:32:01,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21008935] [2021-04-29 00:32:01,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:32:01,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:01,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:32:01,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:32:01,982 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 189 [2021-04-29 00:32:01,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:01,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:01,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 189 [2021-04-29 00:32:01,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:02,174 INFO L129 PetriNetUnfolder]: 84/314 cut-off events. [2021-04-29 00:32:02,174 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:32:02,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 314 events. 84/314 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2118 event pairs, 58 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 445. Up to 149 conditions per place. [2021-04-29 00:32:02,182 INFO L132 encePairwiseOnDemand]: 170/189 looper letters, 5 selfloop transitions, 3 changer transitions 41/86 dead transitions. [2021-04-29 00:32:02,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 86 transitions, 250 flow [2021-04-29 00:32:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:32:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:32:02,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2021-04-29 00:32:02,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7918871252204586 [2021-04-29 00:32:02,211 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 449 transitions. [2021-04-29 00:32:02,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 449 transitions. [2021-04-29 00:32:02,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:02,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 449 transitions. [2021-04-29 00:32:02,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,239 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,241 INFO L185 Difference]: Start difference. First operand has 92 places, 79 transitions, 170 flow. Second operand 3 states and 449 transitions. [2021-04-29 00:32:02,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 86 transitions, 250 flow [2021-04-29 00:32:02,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 86 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 00:32:02,252 INFO L241 Difference]: Finished difference. Result has 91 places, 45 transitions, 113 flow [2021-04-29 00:32:02,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=91, PETRI_TRANSITIONS=45} [2021-04-29 00:32:02,257 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -1 predicate places. [2021-04-29 00:32:02,257 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:02,257 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 45 transitions, 113 flow [2021-04-29 00:32:02,258 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 45 transitions, 113 flow [2021-04-29 00:32:02,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 45 transitions, 113 flow [2021-04-29 00:32:02,269 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-29 00:32:02,269 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:32:02,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 57 events. 3/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 212 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-04-29 00:32:02,273 INFO L146 LiptonReduction]: Number of co-enabled transitions 1140 [2021-04-29 00:32:02,305 INFO L158 LiptonReduction]: Checked pairs total: 816 [2021-04-29 00:32:02,306 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:02,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 00:32:02,308 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 113 flow [2021-04-29 00:32:02,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,309 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:02,309 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:02,309 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:32:02,309 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:02,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:02,310 INFO L82 PathProgramCache]: Analyzing trace with hash 98632856, now seen corresponding path program 1 times [2021-04-29 00:32:02,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:02,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046632889] [2021-04-29 00:32:02,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:02,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:02,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:02,454 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:02,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:02,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046632889] [2021-04-29 00:32:02,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:02,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:32:02,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571906863] [2021-04-29 00:32:02,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:32:02,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:02,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:32:02,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:32:02,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-04-29 00:32:02,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:02,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-04-29 00:32:02,495 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:02,604 INFO L129 PetriNetUnfolder]: 50/200 cut-off events. [2021-04-29 00:32:02,605 INFO L130 PetriNetUnfolder]: For 35/95 co-relation queries the response was YES. [2021-04-29 00:32:02,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 200 events. 50/200 cut-off events. For 35/95 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1127 event pairs, 4 based on Foata normal form. 6/128 useless extension candidates. Maximal degree in co-relation 334. Up to 53 conditions per place. [2021-04-29 00:32:02,610 INFO L132 encePairwiseOnDemand]: 182/189 looper letters, 10 selfloop transitions, 13 changer transitions 0/59 dead transitions. [2021-04-29 00:32:02,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 59 transitions, 203 flow [2021-04-29 00:32:02,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:32:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:32:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 663 transitions. [2021-04-29 00:32:02,615 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7015873015873015 [2021-04-29 00:32:02,616 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 663 transitions. [2021-04-29 00:32:02,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 663 transitions. [2021-04-29 00:32:02,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:02,618 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 663 transitions. [2021-04-29 00:32:02,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,628 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,628 INFO L185 Difference]: Start difference. First operand has 55 places, 45 transitions, 113 flow. Second operand 5 states and 663 transitions. [2021-04-29 00:32:02,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 59 transitions, 203 flow [2021-04-29 00:32:02,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:32:02,632 INFO L241 Difference]: Finished difference. Result has 61 places, 55 transitions, 205 flow [2021-04-29 00:32:02,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=205, PETRI_PLACES=61, PETRI_TRANSITIONS=55} [2021-04-29 00:32:02,634 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -31 predicate places. [2021-04-29 00:32:02,634 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:02,634 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 55 transitions, 205 flow [2021-04-29 00:32:02,635 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 55 transitions, 205 flow [2021-04-29 00:32:02,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 55 transitions, 205 flow [2021-04-29 00:32:02,664 INFO L129 PetriNetUnfolder]: 41/176 cut-off events. [2021-04-29 00:32:02,664 INFO L130 PetriNetUnfolder]: For 84/111 co-relation queries the response was YES. [2021-04-29 00:32:02,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 176 events. 41/176 cut-off events. For 84/111 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1012 event pairs, 11 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 367. Up to 56 conditions per place. [2021-04-29 00:32:02,673 INFO L146 LiptonReduction]: Number of co-enabled transitions 1510 [2021-04-29 00:32:02,693 INFO L158 LiptonReduction]: Checked pairs total: 310 [2021-04-29 00:32:02,693 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:02,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-04-29 00:32:02,696 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 205 flow [2021-04-29 00:32:02,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,697 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:02,698 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:02,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:32:02,698 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:02,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:02,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1650737977, now seen corresponding path program 1 times [2021-04-29 00:32:02,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:02,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615460118] [2021-04-29 00:32:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:02,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:02,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:02,805 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:02,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:02,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615460118] [2021-04-29 00:32:02,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:02,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:32:02,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704332881] [2021-04-29 00:32:02,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:32:02,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:02,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:32:02,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:32:02,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 189 [2021-04-29 00:32:02,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 205 flow. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:02,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 189 [2021-04-29 00:32:02,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:02,876 INFO L129 PetriNetUnfolder]: 24/144 cut-off events. [2021-04-29 00:32:02,877 INFO L130 PetriNetUnfolder]: For 104/207 co-relation queries the response was YES. [2021-04-29 00:32:02,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 144 events. 24/144 cut-off events. For 104/207 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 762 event pairs, 5 based on Foata normal form. 4/87 useless extension candidates. Maximal degree in co-relation 330. Up to 47 conditions per place. [2021-04-29 00:32:02,880 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 13 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2021-04-29 00:32:02,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 56 transitions, 247 flow [2021-04-29 00:32:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:32:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:32:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2021-04-29 00:32:02,885 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2021-04-29 00:32:02,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2021-04-29 00:32:02,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2021-04-29 00:32:02,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:02,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2021-04-29 00:32:02,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,891 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,891 INFO L185 Difference]: Start difference. First operand has 61 places, 55 transitions, 205 flow. Second operand 3 states and 423 transitions. [2021-04-29 00:32:02,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 56 transitions, 247 flow [2021-04-29 00:32:02,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 56 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:32:02,896 INFO L241 Difference]: Finished difference. Result has 63 places, 55 transitions, 215 flow [2021-04-29 00:32:02,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=63, PETRI_TRANSITIONS=55} [2021-04-29 00:32:02,897 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -29 predicate places. [2021-04-29 00:32:02,898 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:02,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 55 transitions, 215 flow [2021-04-29 00:32:02,899 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 55 transitions, 215 flow [2021-04-29 00:32:02,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 55 transitions, 215 flow [2021-04-29 00:32:02,920 INFO L129 PetriNetUnfolder]: 30/144 cut-off events. [2021-04-29 00:32:02,921 INFO L130 PetriNetUnfolder]: For 88/105 co-relation queries the response was YES. [2021-04-29 00:32:02,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 144 events. 30/144 cut-off events. For 88/105 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 762 event pairs, 7 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 305. Up to 47 conditions per place. [2021-04-29 00:32:02,928 INFO L146 LiptonReduction]: Number of co-enabled transitions 1508 [2021-04-29 00:32:02,947 INFO L158 LiptonReduction]: Checked pairs total: 310 [2021-04-29 00:32:02,948 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:02,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-29 00:32:02,951 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 215 flow [2021-04-29 00:32:02,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:02,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:02,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:02,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:32:02,953 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:02,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:02,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1237351640, now seen corresponding path program 1 times [2021-04-29 00:32:02,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:02,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892820625] [2021-04-29 00:32:02,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:03,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:03,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:03,022 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:03,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:03,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892820625] [2021-04-29 00:32:03,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:03,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:32:03,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751728175] [2021-04-29 00:32:03,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:32:03,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:03,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:32:03,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:32:03,045 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-04-29 00:32:03,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 215 flow. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:03,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-04-29 00:32:03,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:03,114 INFO L129 PetriNetUnfolder]: 28/143 cut-off events. [2021-04-29 00:32:03,114 INFO L130 PetriNetUnfolder]: For 205/308 co-relation queries the response was YES. [2021-04-29 00:32:03,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 143 events. 28/143 cut-off events. For 205/308 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 764 event pairs, 3 based on Foata normal form. 7/97 useless extension candidates. Maximal degree in co-relation 353. Up to 43 conditions per place. [2021-04-29 00:32:03,117 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 8 selfloop transitions, 5 changer transitions 15/61 dead transitions. [2021-04-29 00:32:03,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 61 transitions, 305 flow [2021-04-29 00:32:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:32:03,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:32:03,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2021-04-29 00:32:03,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6984126984126984 [2021-04-29 00:32:03,121 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 528 transitions. [2021-04-29 00:32:03,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 528 transitions. [2021-04-29 00:32:03,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:03,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 528 transitions. [2021-04-29 00:32:03,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,129 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,129 INFO L185 Difference]: Start difference. First operand has 63 places, 55 transitions, 215 flow. Second operand 4 states and 528 transitions. [2021-04-29 00:32:03,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 61 transitions, 305 flow [2021-04-29 00:32:03,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 61 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:32:03,134 INFO L241 Difference]: Finished difference. Result has 66 places, 44 transitions, 170 flow [2021-04-29 00:32:03,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=66, PETRI_TRANSITIONS=44} [2021-04-29 00:32:03,135 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -26 predicate places. [2021-04-29 00:32:03,135 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:03,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 44 transitions, 170 flow [2021-04-29 00:32:03,136 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 44 transitions, 170 flow [2021-04-29 00:32:03,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 44 transitions, 170 flow [2021-04-29 00:32:03,157 INFO L129 PetriNetUnfolder]: 11/81 cut-off events. [2021-04-29 00:32:03,158 INFO L130 PetriNetUnfolder]: For 67/72 co-relation queries the response was YES. [2021-04-29 00:32:03,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 81 events. 11/81 cut-off events. For 67/72 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 299 event pairs, 6 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 175. Up to 23 conditions per place. [2021-04-29 00:32:03,162 INFO L146 LiptonReduction]: Number of co-enabled transitions 972 [2021-04-29 00:32:03,176 INFO L158 LiptonReduction]: Checked pairs total: 235 [2021-04-29 00:32:03,177 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:03,177 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-04-29 00:32:03,187 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 44 transitions, 170 flow [2021-04-29 00:32:03,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,190 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:03,190 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:03,190 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:32:03,190 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:03,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:03,191 INFO L82 PathProgramCache]: Analyzing trace with hash 498438446, now seen corresponding path program 1 times [2021-04-29 00:32:03,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:03,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753224090] [2021-04-29 00:32:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:03,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:03,308 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:03,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:03,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753224090] [2021-04-29 00:32:03,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:03,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:32:03,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745365818] [2021-04-29 00:32:03,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:32:03,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:03,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:32:03,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:32:03,334 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 189 [2021-04-29 00:32:03,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 44 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:03,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 189 [2021-04-29 00:32:03,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:03,372 INFO L129 PetriNetUnfolder]: 9/69 cut-off events. [2021-04-29 00:32:03,373 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2021-04-29 00:32:03,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 69 events. 9/69 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 234 event pairs, 6 based on Foata normal form. 2/44 useless extension candidates. Maximal degree in co-relation 171. Up to 20 conditions per place. [2021-04-29 00:32:03,375 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 6 selfloop transitions, 4 changer transitions 1/45 dead transitions. [2021-04-29 00:32:03,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 45 transitions, 196 flow [2021-04-29 00:32:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:32:03,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:32:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2021-04-29 00:32:03,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2021-04-29 00:32:03,379 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2021-04-29 00:32:03,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2021-04-29 00:32:03,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:03,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2021-04-29 00:32:03,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,385 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,386 INFO L185 Difference]: Start difference. First operand has 63 places, 44 transitions, 170 flow. Second operand 3 states and 423 transitions. [2021-04-29 00:32:03,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 45 transitions, 196 flow [2021-04-29 00:32:03,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 45 transitions, 171 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 00:32:03,390 INFO L241 Difference]: Finished difference. Result has 60 places, 43 transitions, 157 flow [2021-04-29 00:32:03,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=60, PETRI_TRANSITIONS=43} [2021-04-29 00:32:03,391 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -32 predicate places. [2021-04-29 00:32:03,391 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:03,392 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 43 transitions, 157 flow [2021-04-29 00:32:03,392 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 43 transitions, 157 flow [2021-04-29 00:32:03,393 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 43 transitions, 157 flow [2021-04-29 00:32:03,404 INFO L129 PetriNetUnfolder]: 8/66 cut-off events. [2021-04-29 00:32:03,405 INFO L130 PetriNetUnfolder]: For 38/43 co-relation queries the response was YES. [2021-04-29 00:32:03,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 66 events. 8/66 cut-off events. For 38/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 224 event pairs, 5 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 136. Up to 18 conditions per place. [2021-04-29 00:32:03,408 INFO L146 LiptonReduction]: Number of co-enabled transitions 916 [2021-04-29 00:32:03,424 INFO L158 LiptonReduction]: Checked pairs total: 228 [2021-04-29 00:32:03,425 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:03,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-29 00:32:03,427 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 43 transitions, 157 flow [2021-04-29 00:32:03,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:03,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:03,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:32:03,429 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:03,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:03,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1515277411, now seen corresponding path program 1 times [2021-04-29 00:32:03,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:03,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708760860] [2021-04-29 00:32:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:03,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:03,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:03,494 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:03,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:03,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708760860] [2021-04-29 00:32:03,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:03,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:32:03,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708124052] [2021-04-29 00:32:03,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:32:03,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:03,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:32:03,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:32:03,517 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 189 [2021-04-29 00:32:03,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 43 transitions, 157 flow. Second operand has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:03,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 189 [2021-04-29 00:32:03,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:03,585 INFO L129 PetriNetUnfolder]: 23/142 cut-off events. [2021-04-29 00:32:03,585 INFO L130 PetriNetUnfolder]: For 193/194 co-relation queries the response was YES. [2021-04-29 00:32:03,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 142 events. 23/142 cut-off events. For 193/194 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 734 event pairs, 8 based on Foata normal form. 8/91 useless extension candidates. Maximal degree in co-relation 319. Up to 34 conditions per place. [2021-04-29 00:32:03,588 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 8 selfloop transitions, 5 changer transitions 8/53 dead transitions. [2021-04-29 00:32:03,589 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 53 transitions, 268 flow [2021-04-29 00:32:03,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:32:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:32:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 524 transitions. [2021-04-29 00:32:03,593 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6931216931216931 [2021-04-29 00:32:03,594 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 524 transitions. [2021-04-29 00:32:03,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 524 transitions. [2021-04-29 00:32:03,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:03,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 524 transitions. [2021-04-29 00:32:03,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,601 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,601 INFO L185 Difference]: Start difference. First operand has 59 places, 43 transitions, 157 flow. Second operand 4 states and 524 transitions. [2021-04-29 00:32:03,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 53 transitions, 268 flow [2021-04-29 00:32:03,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 53 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:32:03,605 INFO L241 Difference]: Finished difference. Result has 62 places, 42 transitions, 167 flow [2021-04-29 00:32:03,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=167, PETRI_PLACES=62, PETRI_TRANSITIONS=42} [2021-04-29 00:32:03,606 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -30 predicate places. [2021-04-29 00:32:03,606 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:03,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 42 transitions, 167 flow [2021-04-29 00:32:03,607 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 42 transitions, 167 flow [2021-04-29 00:32:03,608 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 42 transitions, 167 flow [2021-04-29 00:32:03,620 INFO L129 PetriNetUnfolder]: 8/72 cut-off events. [2021-04-29 00:32:03,620 INFO L130 PetriNetUnfolder]: For 72/73 co-relation queries the response was YES. [2021-04-29 00:32:03,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 72 events. 8/72 cut-off events. For 72/73 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 273 event pairs, 5 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 158. Up to 19 conditions per place. [2021-04-29 00:32:03,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 828 [2021-04-29 00:32:03,632 INFO L158 LiptonReduction]: Checked pairs total: 23 [2021-04-29 00:32:03,633 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:03,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-04-29 00:32:03,635 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 42 transitions, 167 flow [2021-04-29 00:32:03,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:03,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:03,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:32:03,637 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:03,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:03,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2049059060, now seen corresponding path program 1 times [2021-04-29 00:32:03,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:03,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800106652] [2021-04-29 00:32:03,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:03,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:03,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:03,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:32:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:03,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800106652] [2021-04-29 00:32:03,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:03,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:32:03,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920510944] [2021-04-29 00:32:03,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:32:03,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:03,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:32:03,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:32:03,710 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:32:03,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 42 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:03,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:03,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:32:03,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:07,408 INFO L129 PetriNetUnfolder]: 13225/18731 cut-off events. [2021-04-29 00:32:07,409 INFO L130 PetriNetUnfolder]: For 23476/28049 co-relation queries the response was YES. [2021-04-29 00:32:07,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40385 conditions, 18731 events. 13225/18731 cut-off events. For 23476/28049 co-relation queries the response was YES. Maximal size of possible extension queue 2511. Compared 137368 event pairs, 7402 based on Foata normal form. 315/5707 useless extension candidates. Maximal degree in co-relation 40368. Up to 12052 conditions per place. [2021-04-29 00:32:07,772 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 33 selfloop transitions, 32 changer transitions 0/85 dead transitions. [2021-04-29 00:32:07,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 85 transitions, 383 flow [2021-04-29 00:32:07,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:32:07,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:32:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 681 transitions. [2021-04-29 00:32:07,778 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7206349206349206 [2021-04-29 00:32:07,778 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 681 transitions. [2021-04-29 00:32:07,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 681 transitions. [2021-04-29 00:32:07,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:07,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 681 transitions. [2021-04-29 00:32:07,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:07,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:07,787 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:07,787 INFO L185 Difference]: Start difference. First operand has 61 places, 42 transitions, 167 flow. Second operand 5 states and 681 transitions. [2021-04-29 00:32:07,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 85 transitions, 383 flow [2021-04-29 00:32:07,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 85 transitions, 367 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-29 00:32:07,807 INFO L241 Difference]: Finished difference. Result has 64 places, 72 transitions, 389 flow [2021-04-29 00:32:07,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=389, PETRI_PLACES=64, PETRI_TRANSITIONS=72} [2021-04-29 00:32:07,808 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -28 predicate places. [2021-04-29 00:32:07,808 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:07,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 72 transitions, 389 flow [2021-04-29 00:32:07,809 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 72 transitions, 389 flow [2021-04-29 00:32:07,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 72 transitions, 389 flow [2021-04-29 00:32:10,512 INFO L129 PetriNetUnfolder]: 11307/16289 cut-off events. [2021-04-29 00:32:10,513 INFO L130 PetriNetUnfolder]: For 11681/50513 co-relation queries the response was YES. [2021-04-29 00:32:10,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48651 conditions, 16289 events. 11307/16289 cut-off events. For 11681/50513 co-relation queries the response was YES. Maximal size of possible extension queue 2275. Compared 121968 event pairs, 6877 based on Foata normal form. 5/4790 useless extension candidates. Maximal degree in co-relation 48635. Up to 15592 conditions per place. [2021-04-29 00:32:10,964 INFO L146 LiptonReduction]: Number of co-enabled transitions 1068 [2021-04-29 00:32:11,294 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:32:11,295 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:11,295 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3487 [2021-04-29 00:32:11,297 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 72 transitions, 389 flow [2021-04-29 00:32:11,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:11,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:11,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:11,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:32:11,301 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:11,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:11,302 INFO L82 PathProgramCache]: Analyzing trace with hash -212838586, now seen corresponding path program 1 times [2021-04-29 00:32:11,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:11,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741124480] [2021-04-29 00:32:11,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:11,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:11,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:11,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:11,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:11,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:11,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:32:11,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:11,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741124480] [2021-04-29 00:32:11,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:11,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:32:11,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775632446] [2021-04-29 00:32:11,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:32:11,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:11,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:32:11,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:32:11,432 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:32:11,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 72 transitions, 389 flow. Second operand has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:11,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:11,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:32:11,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:15,443 INFO L129 PetriNetUnfolder]: 15103/22262 cut-off events. [2021-04-29 00:32:15,444 INFO L130 PetriNetUnfolder]: For 24254/131629 co-relation queries the response was YES. [2021-04-29 00:32:15,593 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87456 conditions, 22262 events. 15103/22262 cut-off events. For 24254/131629 co-relation queries the response was YES. Maximal size of possible extension queue 3261. Compared 172717 event pairs, 3448 based on Foata normal form. 369/7692 useless extension candidates. Maximal degree in co-relation 87438. Up to 20899 conditions per place. [2021-04-29 00:32:15,711 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 34 selfloop transitions, 62 changer transitions 0/116 dead transitions. [2021-04-29 00:32:15,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 116 transitions, 826 flow [2021-04-29 00:32:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:32:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:32:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 957 transitions. [2021-04-29 00:32:15,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7233560090702947 [2021-04-29 00:32:15,718 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 957 transitions. [2021-04-29 00:32:15,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 957 transitions. [2021-04-29 00:32:15,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:15,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 957 transitions. [2021-04-29 00:32:15,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 136.71428571428572) internal successors, (957), 7 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:15,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:15,731 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:15,731 INFO L185 Difference]: Start difference. First operand has 64 places, 72 transitions, 389 flow. Second operand 7 states and 957 transitions. [2021-04-29 00:32:15,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 116 transitions, 826 flow [2021-04-29 00:32:15,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 116 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:32:15,786 INFO L241 Difference]: Finished difference. Result has 73 places, 102 transitions, 819 flow [2021-04-29 00:32:15,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=819, PETRI_PLACES=73, PETRI_TRANSITIONS=102} [2021-04-29 00:32:15,787 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -19 predicate places. [2021-04-29 00:32:15,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:15,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 102 transitions, 819 flow [2021-04-29 00:32:15,788 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 102 transitions, 819 flow [2021-04-29 00:32:15,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 102 transitions, 819 flow [2021-04-29 00:32:18,176 INFO L129 PetriNetUnfolder]: 13256/19810 cut-off events. [2021-04-29 00:32:18,177 INFO L130 PetriNetUnfolder]: For 43453/271700 co-relation queries the response was YES. [2021-04-29 00:32:18,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95999 conditions, 19810 events. 13256/19810 cut-off events. For 43453/271700 co-relation queries the response was YES. Maximal size of possible extension queue 3028. Compared 162111 event pairs, 3249 based on Foata normal form. 6/5975 useless extension candidates. Maximal degree in co-relation 95978. Up to 19066 conditions per place. [2021-04-29 00:32:18,813 INFO L146 LiptonReduction]: Number of co-enabled transitions 1472 [2021-04-29 00:32:18,980 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:32:18,980 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:18,981 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3193 [2021-04-29 00:32:18,984 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 102 transitions, 819 flow [2021-04-29 00:32:18,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:18,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:18,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:18,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:32:18,986 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:18,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:18,986 INFO L82 PathProgramCache]: Analyzing trace with hash 39364471, now seen corresponding path program 1 times [2021-04-29 00:32:18,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:18,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443337395] [2021-04-29 00:32:18,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:19,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:19,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:19,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:19,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:19,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:19,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:19,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:19,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:32:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:19,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443337395] [2021-04-29 00:32:19,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:19,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:32:19,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187851281] [2021-04-29 00:32:19,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:32:19,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:19,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:32:19,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:32:19,109 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:32:19,110 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 102 transitions, 819 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:19,110 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:19,110 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:32:19,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:22,248 INFO L129 PetriNetUnfolder]: 14545/22703 cut-off events. [2021-04-29 00:32:22,248 INFO L130 PetriNetUnfolder]: For 42961/379047 co-relation queries the response was YES. [2021-04-29 00:32:22,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130862 conditions, 22703 events. 14545/22703 cut-off events. For 42961/379047 co-relation queries the response was YES. Maximal size of possible extension queue 3888. Compared 192326 event pairs, 622 based on Foata normal form. 402/7832 useless extension candidates. Maximal degree in co-relation 130839. Up to 21529 conditions per place. [2021-04-29 00:32:22,745 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 23 selfloop transitions, 92 changer transitions 12/147 dead transitions. [2021-04-29 00:32:22,746 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 147 transitions, 1477 flow [2021-04-29 00:32:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:32:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:32:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1233 transitions. [2021-04-29 00:32:22,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7248677248677249 [2021-04-29 00:32:22,757 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1233 transitions. [2021-04-29 00:32:22,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1233 transitions. [2021-04-29 00:32:22,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:22,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1233 transitions. [2021-04-29 00:32:22,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 137.0) internal successors, (1233), 9 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:22,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:22,781 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:22,781 INFO L185 Difference]: Start difference. First operand has 73 places, 102 transitions, 819 flow. Second operand 9 states and 1233 transitions. [2021-04-29 00:32:22,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 147 transitions, 1477 flow [2021-04-29 00:32:23,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 147 transitions, 1318 flow, removed 53 selfloop flow, removed 3 redundant places. [2021-04-29 00:32:23,387 INFO L241 Difference]: Finished difference. Result has 81 places, 132 transitions, 1235 flow [2021-04-29 00:32:23,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1235, PETRI_PLACES=81, PETRI_TRANSITIONS=132} [2021-04-29 00:32:23,388 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -11 predicate places. [2021-04-29 00:32:23,388 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:23,388 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 132 transitions, 1235 flow [2021-04-29 00:32:23,389 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 132 transitions, 1235 flow [2021-04-29 00:32:23,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 132 transitions, 1235 flow [2021-04-29 00:32:25,097 INFO L129 PetriNetUnfolder]: 9547/16128 cut-off events. [2021-04-29 00:32:25,097 INFO L130 PetriNetUnfolder]: For 157576/304275 co-relation queries the response was YES. [2021-04-29 00:32:25,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97097 conditions, 16128 events. 9547/16128 cut-off events. For 157576/304275 co-relation queries the response was YES. Maximal size of possible extension queue 2943. Compared 158407 event pairs, 622 based on Foata normal form. 5/4864 useless extension candidates. Maximal degree in co-relation 97073. Up to 13276 conditions per place. [2021-04-29 00:32:25,740 INFO L146 LiptonReduction]: Number of co-enabled transitions 1662 [2021-04-29 00:32:25,787 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:32:25,787 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:25,788 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2400 [2021-04-29 00:32:25,790 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 132 transitions, 1235 flow [2021-04-29 00:32:25,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:25,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:25,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:25,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:32:25,792 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:25,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:25,793 INFO L82 PathProgramCache]: Analyzing trace with hash 424236118, now seen corresponding path program 1 times [2021-04-29 00:32:25,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:25,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835695410] [2021-04-29 00:32:25,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:25,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:25,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:25,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:25,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:25,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:25,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:25,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:25,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:25,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:25,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:32:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:25,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835695410] [2021-04-29 00:32:25,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:25,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:32:25,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563272590] [2021-04-29 00:32:25,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:32:25,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:25,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:32:25,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:32:25,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:32:25,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 132 transitions, 1235 flow. Second operand has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:25,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:25,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:32:25,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:28,681 INFO L129 PetriNetUnfolder]: 9469/16493 cut-off events. [2021-04-29 00:32:28,682 INFO L130 PetriNetUnfolder]: For 62303/231559 co-relation queries the response was YES. [2021-04-29 00:32:28,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113507 conditions, 16493 events. 9469/16493 cut-off events. For 62303/231559 co-relation queries the response was YES. Maximal size of possible extension queue 2973. Compared 158680 event pairs, 1 based on Foata normal form. 327/5624 useless extension candidates. Maximal degree in co-relation 113481. Up to 13330 conditions per place. [2021-04-29 00:32:28,921 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 6 selfloop transitions, 109 changer transitions 19/154 dead transitions. [2021-04-29 00:32:28,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 154 transitions, 1705 flow [2021-04-29 00:32:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 00:32:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 00:32:28,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1485 transitions. [2021-04-29 00:32:28,929 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-04-29 00:32:28,929 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1485 transitions. [2021-04-29 00:32:28,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1485 transitions. [2021-04-29 00:32:28,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:28,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1485 transitions. [2021-04-29 00:32:29,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:29,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 189.0) internal successors, (2268), 12 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:29,233 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 189.0) internal successors, (2268), 12 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:29,233 INFO L185 Difference]: Start difference. First operand has 81 places, 132 transitions, 1235 flow. Second operand 11 states and 1485 transitions. [2021-04-29 00:32:29,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 154 transitions, 1705 flow [2021-04-29 00:32:42,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 154 transitions, 1380 flow, removed 106 selfloop flow, removed 5 redundant places. [2021-04-29 00:32:42,651 INFO L241 Difference]: Finished difference. Result has 89 places, 132 transitions, 1183 flow [2021-04-29 00:32:42,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1183, PETRI_PLACES=89, PETRI_TRANSITIONS=132} [2021-04-29 00:32:42,652 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -3 predicate places. [2021-04-29 00:32:42,652 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:32:42,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 132 transitions, 1183 flow [2021-04-29 00:32:42,653 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 132 transitions, 1183 flow [2021-04-29 00:32:42,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 132 transitions, 1183 flow [2021-04-29 00:32:44,031 INFO L129 PetriNetUnfolder]: 7225/12996 cut-off events. [2021-04-29 00:32:44,031 INFO L130 PetriNetUnfolder]: For 119709/168919 co-relation queries the response was YES. [2021-04-29 00:32:44,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58625 conditions, 12996 events. 7225/12996 cut-off events. For 119709/168919 co-relation queries the response was YES. Maximal size of possible extension queue 2838. Compared 133838 event pairs, 1 based on Foata normal form. 5/3858 useless extension candidates. Maximal degree in co-relation 58598. Up to 8748 conditions per place. [2021-04-29 00:32:44,328 INFO L146 LiptonReduction]: Number of co-enabled transitions 1652 [2021-04-29 00:32:44,392 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:32:44,393 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:32:44,393 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1741 [2021-04-29 00:32:44,394 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 132 transitions, 1183 flow [2021-04-29 00:32:44,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:44,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:32:44,395 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:32:44,395 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:32:44,395 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:32:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:32:44,396 INFO L82 PathProgramCache]: Analyzing trace with hash -67449975, now seen corresponding path program 1 times [2021-04-29 00:32:44,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:32:44,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818492201] [2021-04-29 00:32:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:32:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:32:44,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:44,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:32:44,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:32:44,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:32:44,448 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:32:44,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:32:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:32:44,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818492201] [2021-04-29 00:32:44,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:32:44,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:32:44,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331369428] [2021-04-29 00:32:44,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:32:44,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:32:44,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:32:44,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:32:44,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-04-29 00:32:44,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 132 transitions, 1183 flow. Second operand has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:44,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:32:44,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-04-29 00:32:44,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:32:47,518 INFO L129 PetriNetUnfolder]: 13142/23417 cut-off events. [2021-04-29 00:32:47,518 INFO L130 PetriNetUnfolder]: For 169005/232739 co-relation queries the response was YES. [2021-04-29 00:32:47,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105214 conditions, 23417 events. 13142/23417 cut-off events. For 169005/232739 co-relation queries the response was YES. Maximal size of possible extension queue 5970. Compared 248202 event pairs, 0 based on Foata normal form. 90/7091 useless extension candidates. Maximal degree in co-relation 105185. Up to 16038 conditions per place. [2021-04-29 00:32:47,771 INFO L132 encePairwiseOnDemand]: 182/189 looper letters, 5 selfloop transitions, 9 changer transitions 0/135 dead transitions. [2021-04-29 00:32:47,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 135 transitions, 1229 flow [2021-04-29 00:32:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:32:47,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:32:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 654 transitions. [2021-04-29 00:32:47,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.692063492063492 [2021-04-29 00:32:47,775 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 654 transitions. [2021-04-29 00:32:47,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 654 transitions. [2021-04-29 00:32:47,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:32:47,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 654 transitions. [2021-04-29 00:32:47,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 130.8) internal successors, (654), 5 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:47,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:47,783 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:32:47,783 INFO L185 Difference]: Start difference. First operand has 87 places, 132 transitions, 1183 flow. Second operand 5 states and 654 transitions. [2021-04-29 00:32:47,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 135 transitions, 1229 flow [2021-04-29 00:33:39,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 135 transitions, 878 flow, removed 77 selfloop flow, removed 10 redundant places. [2021-04-29 00:33:39,020 INFO L241 Difference]: Finished difference. Result has 83 places, 135 transitions, 888 flow [2021-04-29 00:33:39,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=888, PETRI_PLACES=83, PETRI_TRANSITIONS=135} [2021-04-29 00:33:39,021 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -9 predicate places. [2021-04-29 00:33:39,021 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:33:39,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 135 transitions, 888 flow [2021-04-29 00:33:39,022 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 135 transitions, 888 flow [2021-04-29 00:33:39,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 135 transitions, 888 flow [2021-04-29 00:33:41,300 INFO L129 PetriNetUnfolder]: 13022/23108 cut-off events. [2021-04-29 00:33:41,300 INFO L130 PetriNetUnfolder]: For 21578/25242 co-relation queries the response was YES. [2021-04-29 00:33:41,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89091 conditions, 23108 events. 13022/23108 cut-off events. For 21578/25242 co-relation queries the response was YES. Maximal size of possible extension queue 5985. Compared 254573 event pairs, 0 based on Foata normal form. 5/6769 useless extension candidates. Maximal degree in co-relation 89065. Up to 16038 conditions per place. [2021-04-29 00:33:41,988 INFO L146 LiptonReduction]: Number of co-enabled transitions 2016 [2021-04-29 00:33:42,043 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:33:42,044 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:33:42,044 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3023 [2021-04-29 00:33:42,046 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 135 transitions, 888 flow [2021-04-29 00:33:42,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:33:42,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:33:42,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:33:42,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:33:42,048 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:33:42,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:33:42,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1340731365, now seen corresponding path program 1 times [2021-04-29 00:33:42,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:33:42,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899846702] [2021-04-29 00:33:42,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:33:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:33:42,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:33:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:33:42,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:33:42,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:33:42,106 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-29 00:33:42,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:33:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:33:42,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899846702] [2021-04-29 00:33:42,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:33:42,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:33:42,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369916350] [2021-04-29 00:33:42,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:33:42,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:33:42,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:33:42,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:33:42,129 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 189 [2021-04-29 00:33:42,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 135 transitions, 888 flow. Second operand has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:33:42,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:33:42,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 189 [2021-04-29 00:33:42,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:33:44,715 INFO L129 PetriNetUnfolder]: 14446/25769 cut-off events. [2021-04-29 00:33:44,715 INFO L130 PetriNetUnfolder]: For 24626/27594 co-relation queries the response was YES. [2021-04-29 00:33:44,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98599 conditions, 25769 events. 14446/25769 cut-off events. For 24626/27594 co-relation queries the response was YES. Maximal size of possible extension queue 6861. Compared 277497 event pairs, 0 based on Foata normal form. 89/7685 useless extension candidates. Maximal degree in co-relation 98571. Up to 17496 conditions per place. [2021-04-29 00:33:45,017 INFO L132 encePairwiseOnDemand]: 182/189 looper letters, 0 selfloop transitions, 0 changer transitions 139/139 dead transitions. [2021-04-29 00:33:45,017 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 139 transitions, 938 flow [2021-04-29 00:33:45,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:33:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:33:45,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 648 transitions. [2021-04-29 00:33:45,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6857142857142857 [2021-04-29 00:33:45,027 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 648 transitions. [2021-04-29 00:33:45,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 648 transitions. [2021-04-29 00:33:45,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:33:45,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 648 transitions. [2021-04-29 00:33:45,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:33:45,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:33:45,037 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:33:45,038 INFO L185 Difference]: Start difference. First operand has 83 places, 135 transitions, 888 flow. Second operand 5 states and 648 transitions. [2021-04-29 00:33:45,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 139 transitions, 938 flow [2021-04-29 00:34:39,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 139 transitions, 795 flow, removed 1 selfloop flow, removed 10 redundant places. [2021-04-29 00:34:39,093 INFO L241 Difference]: Finished difference. Result has 76 places, 0 transitions, 0 flow [2021-04-29 00:34:39,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=721, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=76, PETRI_TRANSITIONS=0} [2021-04-29 00:34:39,094 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -16 predicate places. [2021-04-29 00:34:39,094 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:34:39,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 0 transitions, 0 flow [2021-04-29 00:34:39,095 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 0 transitions, 0 flow [2021-04-29 00:34:39,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 00:34:39,095 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 00:34:39,095 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:34:39,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 00:34:39,095 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 00:34:39,096 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:34:39,096 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:34:39,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-04-29 00:34:39,097 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 00:34:39,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:34:39,098 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:34:39,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:34:39 BasicIcfg [2021-04-29 00:34:39,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:34:39,108 INFO L168 Benchmark]: Toolchain (without parser) took 173340.43 ms. Allocated memory was 312.5 MB in the beginning and 11.3 GB in the end (delta: 11.0 GB). Free memory was 286.5 MB in the beginning and 6.6 GB in the end (delta: -6.4 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.0 GB. [2021-04-29 00:34:39,108 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 312.5 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:34:39,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.66 ms. Allocated memory is still 312.5 MB. Free memory was 283.4 MB in the beginning and 280.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.0 GB. [2021-04-29 00:34:39,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.68 ms. Allocated memory is still 312.5 MB. Free memory was 280.5 MB in the beginning and 278.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:34:39,109 INFO L168 Benchmark]: Boogie Preprocessor took 39.03 ms. Allocated memory is still 312.5 MB. Free memory was 278.4 MB in the beginning and 277.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:34:39,110 INFO L168 Benchmark]: RCFGBuilder took 722.83 ms. Allocated memory is still 312.5 MB. Free memory was 277.3 MB in the beginning and 252.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:34:39,111 INFO L168 Benchmark]: TraceAbstraction took 171506.86 ms. Allocated memory was 312.5 MB in the beginning and 11.3 GB in the end (delta: 11.0 GB). Free memory was 251.1 MB in the beginning and 6.6 GB in the end (delta: -6.4 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.0 GB. [2021-04-29 00:34:39,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 ms. Allocated memory is still 312.5 MB. Free memory is still 280.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 929.66 ms. Allocated memory is still 312.5 MB. Free memory was 283.4 MB in the beginning and 280.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 84.68 ms. Allocated memory is still 312.5 MB. Free memory was 280.5 MB in the beginning and 278.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 39.03 ms. Allocated memory is still 312.5 MB. Free memory was 278.4 MB in the beginning and 277.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 722.83 ms. Allocated memory is still 312.5 MB. Free memory was 277.3 MB in the beginning and 252.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 171506.86 ms. Allocated memory was 312.5 MB in the beginning and 11.3 GB in the end (delta: 11.0 GB). Free memory was 251.1 MB in the beginning and 6.6 GB in the end (delta: -6.4 GB). Peak memory consumption was 4.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13343.1ms, 81 PlacesBefore, 92 PlacesAfterwards, 69 TransitionsBefore, 79 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 7 FixpointIterations, 54 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 102 TotalNumberOfCompositions, 8994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2965, positive: 2738, positive conditional: 2738, positive unconditional: 0, negative: 227, negative conditional: 227, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1348, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1348, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1348, positive: 1217, positive conditional: 0, positive unconditional: 1217, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 805, positive: 378, positive conditional: 0, positive unconditional: 378, negative: 426, negative conditional: 0, negative unconditional: 426, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2965, positive: 1458, positive conditional: 1458, positive unconditional: 0, negative: 159, negative conditional: 159, negative unconditional: 0, unknown: 1348, unknown conditional: 1348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1342, Positive cache size: 1274, Positive conditional cache size: 1274, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.1ms, 91 PlacesBefore, 55 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 816 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 7, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188, positive: 133, positive conditional: 133, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1376, Positive cache size: 1304, Positive conditional cache size: 1304, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.9ms, 61 PlacesBefore, 61 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 310 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1377, Positive cache size: 1304, Positive conditional cache size: 1304, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.5ms, 63 PlacesBefore, 63 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 310 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1387, Positive cache size: 1313, Positive conditional cache size: 1313, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.4ms, 66 PlacesBefore, 63 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 235 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.7ms, 60 PlacesBefore, 59 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.2ms, 62 PlacesBefore, 61 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3485.9ms, 64 PlacesBefore, 64 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3192.4ms, 73 PlacesBefore, 73 PlacesAfterwards, 102 TransitionsBefore, 102 TransitionsAfterwards, 1472 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2398.6ms, 81 PlacesBefore, 81 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 1662 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1739.9ms, 89 PlacesBefore, 87 PlacesAfterwards, 132 TransitionsBefore, 132 TransitionsAfterwards, 1652 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3021.9ms, 83 PlacesBefore, 83 PlacesAfterwards, 135 TransitionsBefore, 135 TransitionsAfterwards, 2016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2ms, 76 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - PositiveResult [Line: 18]: 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 5 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 171295.4ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 141767.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13508.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 102 SDtfs, 159 SDslu, 46 SDs, 0 SdLazy, 650 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 967.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 402.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1235occurred in iteration=9, InterpolantAutomatonStates: 64, 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: 47.9ms SsaConstructionTime, 386.7ms SatisfiabilityAnalysisTime, 1085.0ms InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 962 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...