/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 16:09:16,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 16:09:16,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 16:09:16,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 16:09:16,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 16:09:16,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 16:09:16,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 16:09:16,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 16:09:16,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 16:09:16,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 16:09:16,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 16:09:16,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 16:09:16,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 16:09:16,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 16:09:16,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 16:09:16,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 16:09:16,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 16:09:16,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 16:09:16,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 16:09:16,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 16:09:16,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 16:09:16,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 16:09:16,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 16:09:16,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 16:09:16,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 16:09:16,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 16:09:16,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 16:09:16,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 16:09:16,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 16:09:16,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 16:09:16,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 16:09:16,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 16:09:16,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 16:09:16,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 16:09:16,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 16:09:16,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 16:09:16,785 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 16:09:16,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 16:09:16,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 16:09:16,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 16:09:16,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 16:09:16,806 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 16:09:16,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 16:09:16,806 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 16:09:16,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 16:09:16,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 16:09:16,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 16:09:16,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:09:16,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 16:09:16,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 16:09:16,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 16:09:17,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 16:09:17,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 16:09:17,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 16:09:17,032 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 16:09:17,032 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 16:09:17,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i [2021-06-11 16:09:17,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/158db0453/2b4a2ac44f7342ab8e2fddc04c7ae904/FLAG9845a91aa [2021-06-11 16:09:17,496 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 16:09:17,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_tso.oepc.i [2021-06-11 16:09:17,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/158db0453/2b4a2ac44f7342ab8e2fddc04c7ae904/FLAG9845a91aa [2021-06-11 16:09:17,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/158db0453/2b4a2ac44f7342ab8e2fddc04c7ae904 [2021-06-11 16:09:17,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 16:09:17,858 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 16:09:17,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 16:09:17,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 16:09:17,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 16:09:17,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:09:17" (1/1) ... [2021-06-11 16:09:17,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108ebcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:17, skipping insertion in model container [2021-06-11 16:09:17,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:09:17" (1/1) ... [2021-06-11 16:09:17,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 16:09:17,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 16:09:18,055 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/safe015_tso.oepc.i[950,963] [2021-06-11 16:09:18,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:09:18,166 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 16:09:18,175 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/safe015_tso.oepc.i[950,963] [2021-06-11 16:09:18,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:09:18,257 INFO L208 MainTranslator]: Completed translation [2021-06-11 16:09:18,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18 WrapperNode [2021-06-11 16:09:18,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 16:09:18,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 16:09:18,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 16:09:18,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 16:09:18,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 16:09:18,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 16:09:18,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 16:09:18,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 16:09:18,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (1/1) ... [2021-06-11 16:09:18,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 16:09:18,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 16:09:18,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 16:09:18,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 16:09:18,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (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 [2021-06-11 16:09:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 16:09:18,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 16:09:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 16:09:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 16:09:18,396 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 16:09:18,396 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 16:09:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 16:09:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 16:09:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 16:09:18,397 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 16:09:18,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 16:09:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 16:09:18,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 16:09:18,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 16:09:18,399 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 16:09:18,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 16:09:18,677 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-11 16:09:18,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:09:18 BoogieIcfgContainer [2021-06-11 16:09:18,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 16:09:18,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 16:09:18,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 16:09:18,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 16:09:18,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:09:17" (1/3) ... [2021-06-11 16:09:18,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126a5884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:09:18, skipping insertion in model container [2021-06-11 16:09:18,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:09:18" (2/3) ... [2021-06-11 16:09:18,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126a5884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:09:18, skipping insertion in model container [2021-06-11 16:09:18,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:09:18" (3/3) ... [2021-06-11 16:09:18,683 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_tso.oepc.i [2021-06-11 16:09:18,686 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 16:09:18,689 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 16:09:18,689 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 16:09:18,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,705 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,705 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,706 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,707 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,708 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,709 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,711 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,711 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,714 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,714 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,714 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,716 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,716 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:09:18,717 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 16:09:18,728 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 16:09:18,745 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 16:09:18,745 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 16:09:18,746 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 16:09:18,746 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 16:09:18,746 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 16:09:18,746 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 16:09:18,746 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 16:09:18,746 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 16:09:18,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 74 transitions, 163 flow [2021-06-11 16:09:18,775 INFO L129 PetriNetUnfolder]: 2/71 cut-off events. [2021-06-11 16:09:18,775 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:09:18,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 71 events. 2/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-06-11 16:09:18,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 74 transitions, 163 flow [2021-06-11 16:09:18,780 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 59 transitions, 127 flow [2021-06-11 16:09:18,781 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:18,790 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 59 transitions, 127 flow [2021-06-11 16:09:18,792 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 59 transitions, 127 flow [2021-06-11 16:09:18,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 59 transitions, 127 flow [2021-06-11 16:09:18,803 INFO L129 PetriNetUnfolder]: 1/59 cut-off events. [2021-06-11 16:09:18,803 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:09:18,803 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 50 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-06-11 16:09:18,805 INFO L151 LiptonReduction]: Number of co-enabled transitions 864 [2021-06-11 16:09:18,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:18,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:18,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:18,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:18,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:18,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:18,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,008 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:19,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:19,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:19,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:19,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:19,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:19,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:19,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:19,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 16:09:19,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:19,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,518 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-11 16:09:19,540 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 16:09:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:19,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:19,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:19,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:19,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:19,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:20,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:20,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:20,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:20,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:20,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:20,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 16:09:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-11 16:09:20,613 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-11 16:09:20,823 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-06-11 16:09:20,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:09:20,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:20,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:20,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:09:20,905 INFO L163 LiptonReduction]: Checked pairs total: 1665 [2021-06-11 16:09:20,905 INFO L165 LiptonReduction]: Total number of compositions: 45 [2021-06-11 16:09:20,908 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2128 [2021-06-11 16:09:20,919 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-11 16:09:20,920 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:09:20,920 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:20,920 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:20,920 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:20,924 INFO L82 PathProgramCache]: Analyzing trace with hash -674906884, now seen corresponding path program 1 times [2021-06-11 16:09:20,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:20,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186939280] [2021-06-11 16:09:20,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,056 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:21,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:21,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186939280] [2021-06-11 16:09:21,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:09:21,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252035705] [2021-06-11 16:09:21,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:09:21,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:09:21,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:09:21,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:21,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:21,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,116 INFO L129 PetriNetUnfolder]: 88/212 cut-off events. [2021-06-11 16:09:21,116 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:09:21,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 212 events. 88/212 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1026 event pairs, 28 based on Foata normal form. 16/219 useless extension candidates. Maximal degree in co-relation 377. Up to 87 conditions per place. [2021-06-11 16:09:21,123 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 7 selfloop transitions, 7 changer transitions 0/23 dead transitions. [2021-06-11 16:09:21,123 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 23 transitions, 83 flow [2021-06-11 16:09:21,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:09:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:09:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2021-06-11 16:09:21,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-06-11 16:09:21,136 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2021-06-11 16:09:21,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2021-06-11 16:09:21,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2021-06-11 16:09:21,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,145 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 119.0) internal successors, (476), 4 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,146 INFO L185 Difference]: Start difference. First operand has 27 places, 17 transitions, 43 flow. Second operand 3 states and 273 transitions. [2021-06-11 16:09:21,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 23 transitions, 83 flow [2021-06-11 16:09:21,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 23 transitions, 80 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 16:09:21,149 INFO L241 Difference]: Finished difference. Result has 28 places, 23 transitions, 94 flow [2021-06-11 16:09:21,150 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=28, PETRI_TRANSITIONS=23} [2021-06-11 16:09:21,150 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 1 predicate places. [2021-06-11 16:09:21,150 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,150 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 23 transitions, 94 flow [2021-06-11 16:09:21,151 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 23 transitions, 94 flow [2021-06-11 16:09:21,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 23 transitions, 94 flow [2021-06-11 16:09:21,162 INFO L129 PetriNetUnfolder]: 88/210 cut-off events. [2021-06-11 16:09:21,162 INFO L130 PetriNetUnfolder]: For 32/40 co-relation queries the response was YES. [2021-06-11 16:09:21,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 210 events. 88/210 cut-off events. For 32/40 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1001 event pairs, 28 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 458. Up to 87 conditions per place. [2021-06-11 16:09:21,163 INFO L151 LiptonReduction]: Number of co-enabled transitions 142 [2021-06-11 16:09:21,165 INFO L163 LiptonReduction]: Checked pairs total: 15 [2021-06-11 16:09:21,165 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 16:09:21,166 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 23 transitions, 94 flow [2021-06-11 16:09:21,166 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,166 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,166 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 16:09:21,166 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,166 INFO L82 PathProgramCache]: Analyzing trace with hash 929898329, now seen corresponding path program 1 times [2021-06-11 16:09:21,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905995420] [2021-06-11 16:09:21,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,208 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:21,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905995420] [2021-06-11 16:09:21,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:09:21,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611935328] [2021-06-11 16:09:21,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:09:21,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:09:21,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:09:21,217 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:21,217 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,217 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,217 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:21,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,242 INFO L129 PetriNetUnfolder]: 65/160 cut-off events. [2021-06-11 16:09:21,242 INFO L130 PetriNetUnfolder]: For 43/144 co-relation queries the response was YES. [2021-06-11 16:09:21,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 492 conditions, 160 events. 65/160 cut-off events. For 43/144 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 670 event pairs, 4 based on Foata normal form. 7/161 useless extension candidates. Maximal degree in co-relation 481. Up to 73 conditions per place. [2021-06-11 16:09:21,244 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 14 selfloop transitions, 8 changer transitions 0/31 dead transitions. [2021-06-11 16:09:21,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 31 transitions, 178 flow [2021-06-11 16:09:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:09:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:09:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 362 transitions. [2021-06-11 16:09:21,245 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2021-06-11 16:09:21,245 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,248 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,248 INFO L185 Difference]: Start difference. First operand has 28 places, 23 transitions, 94 flow. Second operand 4 states and 362 transitions. [2021-06-11 16:09:21,248 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 31 transitions, 178 flow [2021-06-11 16:09:21,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 31 transitions, 156 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:09:21,249 INFO L241 Difference]: Finished difference. Result has 32 places, 27 transitions, 138 flow [2021-06-11 16:09:21,250 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=32, PETRI_TRANSITIONS=27} [2021-06-11 16:09:21,250 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2021-06-11 16:09:21,250 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,250 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 27 transitions, 138 flow [2021-06-11 16:09:21,250 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 27 transitions, 138 flow [2021-06-11 16:09:21,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 27 transitions, 138 flow [2021-06-11 16:09:21,258 INFO L129 PetriNetUnfolder]: 65/162 cut-off events. [2021-06-11 16:09:21,258 INFO L130 PetriNetUnfolder]: For 93/118 co-relation queries the response was YES. [2021-06-11 16:09:21,258 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449 conditions, 162 events. 65/162 cut-off events. For 93/118 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 697 event pairs, 12 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 437. Up to 73 conditions per place. [2021-06-11 16:09:21,260 INFO L151 LiptonReduction]: Number of co-enabled transitions 166 [2021-06-11 16:09:21,262 INFO L163 LiptonReduction]: Checked pairs total: 19 [2021-06-11 16:09:21,262 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 16:09:21,263 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 27 transitions, 138 flow [2021-06-11 16:09:21,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 16:09:21,263 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,263 INFO L82 PathProgramCache]: Analyzing trace with hash -374501123, now seen corresponding path program 1 times [2021-06-11 16:09:21,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446771085] [2021-06-11 16:09:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,295 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:21,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:21,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446771085] [2021-06-11 16:09:21,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:09:21,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248055782] [2021-06-11 16:09:21,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:09:21,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:09:21,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:09:21,310 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:21,311 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 27 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,311 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:21,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,333 INFO L129 PetriNetUnfolder]: 56/146 cut-off events. [2021-06-11 16:09:21,333 INFO L130 PetriNetUnfolder]: For 127/253 co-relation queries the response was YES. [2021-06-11 16:09:21,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 146 events. 56/146 cut-off events. For 127/253 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 580 event pairs, 4 based on Foata normal form. 2/143 useless extension candidates. Maximal degree in co-relation 504. Up to 60 conditions per place. [2021-06-11 16:09:21,334 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 16 selfloop transitions, 12 changer transitions 0/37 dead transitions. [2021-06-11 16:09:21,334 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 37 transitions, 258 flow [2021-06-11 16:09:21,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:09:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:09:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 362 transitions. [2021-06-11 16:09:21,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2021-06-11 16:09:21,335 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,337 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,338 INFO L185 Difference]: Start difference. First operand has 32 places, 27 transitions, 138 flow. Second operand 4 states and 362 transitions. [2021-06-11 16:09:21,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 37 transitions, 258 flow [2021-06-11 16:09:21,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 37 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:09:21,339 INFO L241 Difference]: Finished difference. Result has 37 places, 33 transitions, 240 flow [2021-06-11 16:09:21,339 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=240, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2021-06-11 16:09:21,340 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 10 predicate places. [2021-06-11 16:09:21,340 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,340 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 33 transitions, 240 flow [2021-06-11 16:09:21,340 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 33 transitions, 240 flow [2021-06-11 16:09:21,340 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 33 transitions, 240 flow [2021-06-11 16:09:21,350 INFO L129 PetriNetUnfolder]: 56/146 cut-off events. [2021-06-11 16:09:21,350 INFO L130 PetriNetUnfolder]: For 226/270 co-relation queries the response was YES. [2021-06-11 16:09:21,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 146 events. 56/146 cut-off events. For 226/270 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 581 event pairs, 3 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 523. Up to 60 conditions per place. [2021-06-11 16:09:21,351 INFO L151 LiptonReduction]: Number of co-enabled transitions 182 [2021-06-11 16:09:21,354 INFO L163 LiptonReduction]: Checked pairs total: 25 [2021-06-11 16:09:21,354 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-06-11 16:09:21,354 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 240 flow [2021-06-11 16:09:21,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 16:09:21,355 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,355 INFO L82 PathProgramCache]: Analyzing trace with hash -336498378, now seen corresponding path program 1 times [2021-06-11 16:09:21,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146406675] [2021-06-11 16:09:21,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:21,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,401 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:21,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:21,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146406675] [2021-06-11 16:09:21,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:09:21,409 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899003227] [2021-06-11 16:09:21,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:09:21,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:09:21,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:09:21,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:21,411 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 240 flow. Second operand has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:21,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,440 INFO L129 PetriNetUnfolder]: 43/120 cut-off events. [2021-06-11 16:09:21,440 INFO L130 PetriNetUnfolder]: For 230/386 co-relation queries the response was YES. [2021-06-11 16:09:21,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 537 conditions, 120 events. 43/120 cut-off events. For 230/386 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 444 event pairs, 0 based on Foata normal form. 14/130 useless extension candidates. Maximal degree in co-relation 519. Up to 47 conditions per place. [2021-06-11 16:09:21,442 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 15 selfloop transitions, 18 changer transitions 0/42 dead transitions. [2021-06-11 16:09:21,442 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 42 transitions, 384 flow [2021-06-11 16:09:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:09:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:09:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 362 transitions. [2021-06-11 16:09:21,443 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7605042016806722 [2021-06-11 16:09:21,443 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 362 transitions. [2021-06-11 16:09:21,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 90.5) internal successors, (362), 4 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,445 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,445 INFO L185 Difference]: Start difference. First operand has 37 places, 33 transitions, 240 flow. Second operand 4 states and 362 transitions. [2021-06-11 16:09:21,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 42 transitions, 384 flow [2021-06-11 16:09:21,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 378 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:09:21,450 INFO L241 Difference]: Finished difference. Result has 42 places, 38 transitions, 377 flow [2021-06-11 16:09:21,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=377, PETRI_PLACES=42, PETRI_TRANSITIONS=38} [2021-06-11 16:09:21,450 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 15 predicate places. [2021-06-11 16:09:21,450 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 38 transitions, 377 flow [2021-06-11 16:09:21,450 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 38 transitions, 377 flow [2021-06-11 16:09:21,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 38 transitions, 377 flow [2021-06-11 16:09:21,457 INFO L129 PetriNetUnfolder]: 43/121 cut-off events. [2021-06-11 16:09:21,457 INFO L130 PetriNetUnfolder]: For 376/406 co-relation queries the response was YES. [2021-06-11 16:09:21,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 121 events. 43/121 cut-off events. For 376/406 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 483 event pairs, 3 based on Foata normal form. 2/121 useless extension candidates. Maximal degree in co-relation 544. Up to 47 conditions per place. [2021-06-11 16:09:21,459 INFO L151 LiptonReduction]: Number of co-enabled transitions 204 [2021-06-11 16:09:21,463 INFO L163 LiptonReduction]: Checked pairs total: 30 [2021-06-11 16:09:21,463 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 16:09:21,468 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 38 transitions, 377 flow [2021-06-11 16:09:21,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,469 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,469 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 16:09:21,469 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1275352602, now seen corresponding path program 1 times [2021-06-11 16:09:21,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287481401] [2021-06-11 16:09:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,515 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:21,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287481401] [2021-06-11 16:09:21,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:09:21,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19484481] [2021-06-11 16:09:21,521 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:09:21,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:09:21,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:09:21,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:21,523 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 38 transitions, 377 flow. Second operand has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,523 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,523 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:21,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,553 INFO L129 PetriNetUnfolder]: 41/115 cut-off events. [2021-06-11 16:09:21,553 INFO L130 PetriNetUnfolder]: For 380/544 co-relation queries the response was YES. [2021-06-11 16:09:21,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 115 events. 41/115 cut-off events. For 380/544 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 414 event pairs, 0 based on Foata normal form. 13/127 useless extension candidates. Maximal degree in co-relation 606. Up to 46 conditions per place. [2021-06-11 16:09:21,554 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 15 selfloop transitions, 28 changer transitions 0/52 dead transitions. [2021-06-11 16:09:21,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 52 transitions, 626 flow [2021-06-11 16:09:21,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:09:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:09:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 364 transitions. [2021-06-11 16:09:21,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7647058823529411 [2021-06-11 16:09:21,556 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 364 transitions. [2021-06-11 16:09:21,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 364 transitions. [2021-06-11 16:09:21,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 364 transitions. [2021-06-11 16:09:21,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,558 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,558 INFO L185 Difference]: Start difference. First operand has 42 places, 38 transitions, 377 flow. Second operand 4 states and 364 transitions. [2021-06-11 16:09:21,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 52 transitions, 626 flow [2021-06-11 16:09:21,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 615 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:09:21,561 INFO L241 Difference]: Finished difference. Result has 47 places, 49 transitions, 633 flow [2021-06-11 16:09:21,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=633, PETRI_PLACES=47, PETRI_TRANSITIONS=49} [2021-06-11 16:09:21,562 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 20 predicate places. [2021-06-11 16:09:21,562 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 49 transitions, 633 flow [2021-06-11 16:09:21,562 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 49 transitions, 633 flow [2021-06-11 16:09:21,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 49 transitions, 633 flow [2021-06-11 16:09:21,574 INFO L129 PetriNetUnfolder]: 41/119 cut-off events. [2021-06-11 16:09:21,574 INFO L130 PetriNetUnfolder]: For 593/633 co-relation queries the response was YES. [2021-06-11 16:09:21,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 119 events. 41/119 cut-off events. For 593/633 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 483 event pairs, 0 based on Foata normal form. 3/122 useless extension candidates. Maximal degree in co-relation 625. Up to 46 conditions per place. [2021-06-11 16:09:21,576 INFO L151 LiptonReduction]: Number of co-enabled transitions 234 [2021-06-11 16:09:21,580 INFO L163 LiptonReduction]: Checked pairs total: 41 [2021-06-11 16:09:21,580 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 16:09:21,582 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 49 transitions, 633 flow [2021-06-11 16:09:21,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,582 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,582 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 16:09:21,582 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1230324329, now seen corresponding path program 1 times [2021-06-11 16:09:21,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549919722] [2021-06-11 16:09:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,655 INFO L142 QuantifierPusher]: treesize reduction 19, result has 32.1 percent of original size [2021-06-11 16:09:21,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 16:09:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549919722] [2021-06-11 16:09:21,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:09:21,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159332171] [2021-06-11 16:09:21,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:09:21,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:09:21,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:09:21,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 119 [2021-06-11 16:09:21,661 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 49 transitions, 633 flow. Second operand has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,661 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,661 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 119 [2021-06-11 16:09:21,661 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,700 INFO L129 PetriNetUnfolder]: 128/297 cut-off events. [2021-06-11 16:09:21,701 INFO L130 PetriNetUnfolder]: For 1314/1452 co-relation queries the response was YES. [2021-06-11 16:09:21,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 297 events. 128/297 cut-off events. For 1314/1452 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 1621 event pairs, 30 based on Foata normal form. 34/315 useless extension candidates. Maximal degree in co-relation 1106. Up to 154 conditions per place. [2021-06-11 16:09:21,702 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 8 selfloop transitions, 8 changer transitions 0/59 dead transitions. [2021-06-11 16:09:21,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 59 transitions, 685 flow [2021-06-11 16:09:21,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:09:21,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:09:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 463 transitions. [2021-06-11 16:09:21,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7781512605042017 [2021-06-11 16:09:21,704 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 463 transitions. [2021-06-11 16:09:21,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 463 transitions. [2021-06-11 16:09:21,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 463 transitions. [2021-06-11 16:09:21,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 92.6) internal successors, (463), 5 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,706 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,706 INFO L185 Difference]: Start difference. First operand has 47 places, 49 transitions, 633 flow. Second operand 5 states and 463 transitions. [2021-06-11 16:09:21,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 59 transitions, 685 flow [2021-06-11 16:09:21,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 59 transitions, 685 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:09:21,709 INFO L241 Difference]: Finished difference. Result has 54 places, 56 transitions, 693 flow [2021-06-11 16:09:21,710 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=693, PETRI_PLACES=54, PETRI_TRANSITIONS=56} [2021-06-11 16:09:21,710 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 27 predicate places. [2021-06-11 16:09:21,710 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 56 transitions, 693 flow [2021-06-11 16:09:21,710 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 56 transitions, 693 flow [2021-06-11 16:09:21,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 56 transitions, 693 flow [2021-06-11 16:09:21,728 INFO L129 PetriNetUnfolder]: 128/311 cut-off events. [2021-06-11 16:09:21,728 INFO L130 PetriNetUnfolder]: For 1231/1313 co-relation queries the response was YES. [2021-06-11 16:09:21,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1337 conditions, 311 events. 128/311 cut-off events. For 1231/1313 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 1812 event pairs, 30 based on Foata normal form. 24/327 useless extension candidates. Maximal degree in co-relation 1307. Up to 180 conditions per place. [2021-06-11 16:09:21,731 INFO L151 LiptonReduction]: Number of co-enabled transitions 384 [2021-06-11 16:09:21,735 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:09:21,735 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 16:09:21,736 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 56 transitions, 693 flow [2021-06-11 16:09:21,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,736 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,736 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 16:09:21,736 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,736 INFO L82 PathProgramCache]: Analyzing trace with hash -758424438, now seen corresponding path program 1 times [2021-06-11 16:09:21,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636920285] [2021-06-11 16:09:21,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 16:09:21,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 16:09:21,760 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 16:09:21,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636920285] [2021-06-11 16:09:21,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:09:21,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268697718] [2021-06-11 16:09:21,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:09:21,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:09:21,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:09:21,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 119 [2021-06-11 16:09:21,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 56 transitions, 693 flow. Second operand has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 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) [2021-06-11 16:09:21,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 119 [2021-06-11 16:09:21,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,815 INFO L129 PetriNetUnfolder]: 99/265 cut-off events. [2021-06-11 16:09:21,815 INFO L130 PetriNetUnfolder]: For 1440/1813 co-relation queries the response was YES. [2021-06-11 16:09:21,816 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1303 conditions, 265 events. 99/265 cut-off events. For 1440/1813 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1561 event pairs, 3 based on Foata normal form. 131/385 useless extension candidates. Maximal degree in co-relation 1271. Up to 158 conditions per place. [2021-06-11 16:09:21,817 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 5 selfloop transitions, 15 changer transitions 3/66 dead transitions. [2021-06-11 16:09:21,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 66 transitions, 797 flow [2021-06-11 16:09:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 16:09:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 16:09:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 648 transitions. [2021-06-11 16:09:21,819 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7779111644657863 [2021-06-11 16:09:21,819 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 648 transitions. [2021-06-11 16:09:21,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 648 transitions. [2021-06-11 16:09:21,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 648 transitions. [2021-06-11 16:09:21,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 92.57142857142857) internal successors, (648), 7 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) [2021-06-11 16:09:21,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 119.0) internal successors, (952), 8 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,822 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 119.0) internal successors, (952), 8 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,822 INFO L185 Difference]: Start difference. First operand has 54 places, 56 transitions, 693 flow. Second operand 7 states and 648 transitions. [2021-06-11 16:09:21,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 66 transitions, 797 flow [2021-06-11 16:09:21,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 793 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:09:21,826 INFO L241 Difference]: Finished difference. Result has 62 places, 63 transitions, 788 flow [2021-06-11 16:09:21,826 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=788, PETRI_PLACES=62, PETRI_TRANSITIONS=63} [2021-06-11 16:09:21,826 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 35 predicate places. [2021-06-11 16:09:21,826 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:21,826 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 63 transitions, 788 flow [2021-06-11 16:09:21,827 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 63 transitions, 788 flow [2021-06-11 16:09:21,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 63 transitions, 788 flow [2021-06-11 16:09:21,843 INFO L129 PetriNetUnfolder]: 91/268 cut-off events. [2021-06-11 16:09:21,844 INFO L130 PetriNetUnfolder]: For 1264/1355 co-relation queries the response was YES. [2021-06-11 16:09:21,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1397 conditions, 268 events. 91/268 cut-off events. For 1264/1355 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1678 event pairs, 3 based on Foata normal form. 8/273 useless extension candidates. Maximal degree in co-relation 1363. Up to 156 conditions per place. [2021-06-11 16:09:21,846 INFO L151 LiptonReduction]: Number of co-enabled transitions 444 [2021-06-11 16:09:21,850 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:09:21,850 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:21,851 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 16:09:21,851 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 788 flow [2021-06-11 16:09:21,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.8) internal successors, (449), 5 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) [2021-06-11 16:09:21,851 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:21,851 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:21,851 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 16:09:21,851 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1628086370, now seen corresponding path program 1 times [2021-06-11 16:09:21,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:21,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045984052] [2021-06-11 16:09:21,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:21,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:21,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:21,873 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:21,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:21,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045984052] [2021-06-11 16:09:21,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:21,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:09:21,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767521189] [2021-06-11 16:09:21,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:09:21,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:21,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:09:21,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:09:21,881 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:21,881 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 788 flow. Second operand has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,881 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:21,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:21,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:21,993 INFO L129 PetriNetUnfolder]: 137/398 cut-off events. [2021-06-11 16:09:21,993 INFO L130 PetriNetUnfolder]: For 2185/2551 co-relation queries the response was YES. [2021-06-11 16:09:21,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2139 conditions, 398 events. 137/398 cut-off events. For 2185/2551 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2836 event pairs, 5 based on Foata normal form. 28/410 useless extension candidates. Maximal degree in co-relation 2103. Up to 256 conditions per place. [2021-06-11 16:09:21,996 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 16 selfloop transitions, 16 changer transitions 25/80 dead transitions. [2021-06-11 16:09:21,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 80 transitions, 1111 flow [2021-06-11 16:09:21,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:09:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:09:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 451 transitions. [2021-06-11 16:09:21,998 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7579831932773109 [2021-06-11 16:09:21,998 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 451 transitions. [2021-06-11 16:09:21,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 451 transitions. [2021-06-11 16:09:21,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:21,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 451 transitions. [2021-06-11 16:09:21,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 90.2) internal successors, (451), 5 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:21,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,000 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,000 INFO L185 Difference]: Start difference. First operand has 62 places, 63 transitions, 788 flow. Second operand 5 states and 451 transitions. [2021-06-11 16:09:22,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 80 transitions, 1111 flow [2021-06-11 16:09:22,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 80 transitions, 1076 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-06-11 16:09:22,010 INFO L241 Difference]: Finished difference. Result has 65 places, 52 transitions, 612 flow [2021-06-11 16:09:22,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=753, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=612, PETRI_PLACES=65, PETRI_TRANSITIONS=52} [2021-06-11 16:09:22,011 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 38 predicate places. [2021-06-11 16:09:22,011 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:22,011 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 52 transitions, 612 flow [2021-06-11 16:09:22,011 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 52 transitions, 612 flow [2021-06-11 16:09:22,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 52 transitions, 612 flow [2021-06-11 16:09:22,025 INFO L129 PetriNetUnfolder]: 72/223 cut-off events. [2021-06-11 16:09:22,025 INFO L130 PetriNetUnfolder]: For 1052/1082 co-relation queries the response was YES. [2021-06-11 16:09:22,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1027 conditions, 223 events. 72/223 cut-off events. For 1052/1082 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1349 event pairs, 5 based on Foata normal form. 9/229 useless extension candidates. Maximal degree in co-relation 991. Up to 57 conditions per place. [2021-06-11 16:09:22,027 INFO L151 LiptonReduction]: Number of co-enabled transitions 374 [2021-06-11 16:09:22,030 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:09:22,030 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:22,030 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 19 [2021-06-11 16:09:22,031 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 52 transitions, 612 flow [2021-06-11 16:09:22,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,031 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:22,031 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:22,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 16:09:22,031 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:22,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:22,032 INFO L82 PathProgramCache]: Analyzing trace with hash 2027505102, now seen corresponding path program 2 times [2021-06-11 16:09:22,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:22,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190798357] [2021-06-11 16:09:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:22,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:22,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:09:22,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:22,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:22,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:22,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:22,067 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:09:22,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:09:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:22,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190798357] [2021-06-11 16:09:22,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:22,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:09:22,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753965515] [2021-06-11 16:09:22,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:09:22,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:22,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:09:22,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:09:22,078 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 119 [2021-06-11 16:09:22,078 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 52 transitions, 612 flow. Second operand has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,078 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:22,078 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 119 [2021-06-11 16:09:22,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:22,116 INFO L129 PetriNetUnfolder]: 92/287 cut-off events. [2021-06-11 16:09:22,116 INFO L130 PetriNetUnfolder]: For 1549/1701 co-relation queries the response was YES. [2021-06-11 16:09:22,117 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1299 conditions, 287 events. 92/287 cut-off events. For 1549/1701 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 1949 event pairs, 3 based on Foata normal form. 29/305 useless extension candidates. Maximal degree in co-relation 1261. Up to 81 conditions per place. [2021-06-11 16:09:22,117 INFO L132 encePairwiseOnDemand]: 111/119 looper letters, 8 selfloop transitions, 14 changer transitions 21/65 dead transitions. [2021-06-11 16:09:22,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 65 transitions, 841 flow [2021-06-11 16:09:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 16:09:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 16:09:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2021-06-11 16:09:22,119 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7563025210084033 [2021-06-11 16:09:22,119 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 540 transitions. [2021-06-11 16:09:22,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 540 transitions. [2021-06-11 16:09:22,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:22,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 540 transitions. [2021-06-11 16:09:22,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.0) internal successors, (540), 6 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,121 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,121 INFO L185 Difference]: Start difference. First operand has 65 places, 52 transitions, 612 flow. Second operand 6 states and 540 transitions. [2021-06-11 16:09:22,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 65 transitions, 841 flow [2021-06-11 16:09:22,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 65 transitions, 767 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-06-11 16:09:22,128 INFO L241 Difference]: Finished difference. Result has 66 places, 43 transitions, 456 flow [2021-06-11 16:09:22,128 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=456, PETRI_PLACES=66, PETRI_TRANSITIONS=43} [2021-06-11 16:09:22,128 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 39 predicate places. [2021-06-11 16:09:22,128 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:22,128 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 43 transitions, 456 flow [2021-06-11 16:09:22,128 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 43 transitions, 456 flow [2021-06-11 16:09:22,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 43 transitions, 456 flow [2021-06-11 16:09:22,139 INFO L129 PetriNetUnfolder]: 34/121 cut-off events. [2021-06-11 16:09:22,140 INFO L130 PetriNetUnfolder]: For 574/610 co-relation queries the response was YES. [2021-06-11 16:09:22,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 550 conditions, 121 events. 34/121 cut-off events. For 574/610 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 602 event pairs, 1 based on Foata normal form. 6/121 useless extension candidates. Maximal degree in co-relation 515. Up to 32 conditions per place. [2021-06-11 16:09:22,141 INFO L151 LiptonReduction]: Number of co-enabled transitions 284 [2021-06-11 16:09:22,143 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:09:22,143 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:22,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 16:09:22,144 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 43 transitions, 456 flow [2021-06-11 16:09:22,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:09:22,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:09:22,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 16:09:22,144 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:09:22,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:09:22,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1160973164, now seen corresponding path program 1 times [2021-06-11 16:09:22,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:09:22,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027637151] [2021-06-11 16:09:22,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:09:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:09:22,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:22,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:22,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:09:22,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:09:22,178 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-06-11 16:09:22,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 16:09:22,183 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 16:09:22,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:09:22,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:09:22,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027637151] [2021-06-11 16:09:22,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:09:22,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:09:22,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422483902] [2021-06-11 16:09:22,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 16:09:22,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:09:22,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 16:09:22,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 16:09:22,190 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 119 [2021-06-11 16:09:22,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 43 transitions, 456 flow. Second operand has 6 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:09:22,191 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 119 [2021-06-11 16:09:22,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:09:22,235 INFO L129 PetriNetUnfolder]: 32/115 cut-off events. [2021-06-11 16:09:22,236 INFO L130 PetriNetUnfolder]: For 628/802 co-relation queries the response was YES. [2021-06-11 16:09:22,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 115 events. 32/115 cut-off events. For 628/802 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 570 event pairs, 0 based on Foata normal form. 87/196 useless extension candidates. Maximal degree in co-relation 562. Up to 35 conditions per place. [2021-06-11 16:09:22,236 INFO L132 encePairwiseOnDemand]: 113/119 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2021-06-11 16:09:22,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 45 transitions, 500 flow [2021-06-11 16:09:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 16:09:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 16:09:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 823 transitions. [2021-06-11 16:09:22,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7684407096171803 [2021-06-11 16:09:22,238 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 823 transitions. [2021-06-11 16:09:22,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 823 transitions. [2021-06-11 16:09:22,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:09:22,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 823 transitions. [2021-06-11 16:09:22,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 91.44444444444444) internal successors, (823), 9 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,241 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 119.0) internal successors, (1190), 10 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,242 INFO L185 Difference]: Start difference. First operand has 64 places, 43 transitions, 456 flow. Second operand 9 states and 823 transitions. [2021-06-11 16:09:22,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 45 transitions, 500 flow [2021-06-11 16:09:22,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 45 transitions, 427 flow, removed 5 selfloop flow, removed 10 redundant places. [2021-06-11 16:09:22,244 INFO L241 Difference]: Finished difference. Result has 61 places, 0 transitions, 0 flow [2021-06-11 16:09:22,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=61, PETRI_TRANSITIONS=0} [2021-06-11 16:09:22,244 INFO L343 CegarLoopForPetriNet]: 27 programPoint places, 34 predicate places. [2021-06-11 16:09:22,244 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:09:22,244 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 0 transitions, 0 flow [2021-06-11 16:09:22,245 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 0 transitions, 0 flow [2021-06-11 16:09:22,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 16:09:22,245 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 16:09:22,245 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:09:22,245 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. [2021-06-11 16:09:22,245 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 16:09:22,245 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:09:22,245 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:09:22,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 16:09:22,245 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 16:09:22,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:09:22,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 16:09:22,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:09:22 BasicIcfg [2021-06-11 16:09:22,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 16:09:22,249 INFO L168 Benchmark]: Toolchain (without parser) took 4391.00 ms. Allocated memory was 339.7 MB in the beginning and 427.8 MB in the end (delta: 88.1 MB). Free memory was 302.5 MB in the beginning and 196.1 MB in the end (delta: 106.4 MB). Peak memory consumption was 196.9 MB. Max. memory is 16.0 GB. [2021-06-11 16:09:22,249 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 339.7 MB. Free memory is still 320.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:09:22,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.59 ms. Allocated memory is still 339.7 MB. Free memory was 302.3 MB in the beginning and 301.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.0 GB. [2021-06-11 16:09:22,249 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.91 ms. Allocated memory is still 339.7 MB. Free memory was 300.4 MB in the beginning and 299.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:09:22,249 INFO L168 Benchmark]: Boogie Preprocessor took 25.46 ms. Allocated memory is still 339.7 MB. Free memory was 299.1 MB in the beginning and 297.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:09:22,249 INFO L168 Benchmark]: RCFGBuilder took 347.08 ms. Allocated memory is still 339.7 MB. Free memory was 297.7 MB in the beginning and 275.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:09:22,249 INFO L168 Benchmark]: TraceAbstraction took 3569.01 ms. Allocated memory was 339.7 MB in the beginning and 427.8 MB in the end (delta: 88.1 MB). Free memory was 274.7 MB in the beginning and 196.1 MB in the end (delta: 78.5 MB). Peak memory consumption was 166.6 MB. Max. memory is 16.0 GB. [2021-06-11 16:09:22,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 339.7 MB. Free memory is still 320.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 398.59 ms. Allocated memory is still 339.7 MB. Free memory was 302.3 MB in the beginning and 301.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.91 ms. Allocated memory is still 339.7 MB. Free memory was 300.4 MB in the beginning and 299.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.46 ms. Allocated memory is still 339.7 MB. Free memory was 299.1 MB in the beginning and 297.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 347.08 ms. Allocated memory is still 339.7 MB. Free memory was 297.7 MB in the beginning and 275.2 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3569.01 ms. Allocated memory was 339.7 MB in the beginning and 427.8 MB in the end (delta: 88.1 MB). Free memory was 274.7 MB in the beginning and 196.1 MB in the end (delta: 78.5 MB). Peak memory consumption was 166.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2112.9ms, 68 PlacesBefore, 27 PlacesAfterwards, 59 TransitionsBefore, 17 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 45 TotalNumberOfCompositions, 1665 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 941, positive: 861, positive conditional: 861, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 941, positive: 861, positive conditional: 0, positive unconditional: 861, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 941, positive: 861, positive conditional: 0, positive unconditional: 861, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 693, positive: 650, positive conditional: 0, positive unconditional: 650, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 693, positive: 637, positive conditional: 0, positive unconditional: 637, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 116, negative conditional: 0, negative unconditional: 116, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 941, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 693, unknown conditional: 0, unknown unconditional: 693] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 650, Positive conditional cache size: 0, Positive unconditional cache size: 650, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.0ms, 28 PlacesBefore, 28 PlacesAfterwards, 23 TransitionsBefore, 23 TransitionsAfterwards, 142 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 15 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.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: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 650, Positive conditional cache size: 0, Positive unconditional cache size: 650, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.4ms, 32 PlacesBefore, 32 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 19 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 695, Positive cache size: 652, Positive conditional cache size: 0, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 37 PlacesBefore, 37 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 25 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 695, Positive cache size: 652, Positive conditional cache size: 0, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.5ms, 42 PlacesBefore, 42 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 696, Positive cache size: 653, Positive conditional cache size: 1, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.2ms, 47 PlacesBefore, 47 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 234 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 41 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 654, Positive conditional cache size: 2, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.8ms, 54 PlacesBefore, 54 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 384 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, 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: 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): 697, Positive cache size: 654, Positive conditional cache size: 2, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.8ms, 62 PlacesBefore, 62 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, 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: 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): 697, Positive cache size: 654, Positive conditional cache size: 2, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.3ms, 65 PlacesBefore, 65 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 374 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, 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: 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): 697, Positive cache size: 654, Positive conditional cache size: 2, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.1ms, 66 PlacesBefore, 64 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 284 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: 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: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, 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: 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): 697, Positive cache size: 654, Positive conditional cache size: 2, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 61 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: 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: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, 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: 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): 697, Positive cache size: 654, Positive conditional cache size: 2, Positive unconditional cache size: 652, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Eliminated conditions: 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 4 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3506.9ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 561.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2171.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 66 SDtfs, 48 SDslu, 43 SDs, 0 SdLazy, 157 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 124.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=788occurred in iteration=7, InterpolantAutomatonStates: 51, 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: 15.7ms SsaConstructionTime, 130.2ms SatisfiabilityAnalysisTime, 332.9ms InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 724 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...