/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/safe016_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 16:11:16,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 16:11:16,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 16:11:16,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 16:11:16,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 16:11:16,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 16:11:16,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 16:11:16,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 16:11:16,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 16:11:16,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 16:11:16,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 16:11:16,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 16:11:16,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 16:11:16,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 16:11:16,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 16:11:16,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 16:11:16,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 16:11:16,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 16:11:16,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 16:11:16,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 16:11:16,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 16:11:16,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 16:11:16,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 16:11:16,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 16:11:16,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 16:11:16,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 16:11:16,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 16:11:16,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 16:11:16,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 16:11:16,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 16:11:16,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 16:11:16,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 16:11:16,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 16:11:16,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 16:11:16,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 16:11:16,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 16:11:16,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 16:11:16,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 16:11:16,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 16:11:16,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 16:11:16,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 16:11:16,984 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 16:11:17,017 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 16:11:17,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 16:11:17,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 16:11:17,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 16:11:17,020 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 16:11:17,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 16:11:17,020 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 16:11:17,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 16:11:17,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 16:11:17,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 16:11:17,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 16:11:17,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 16:11:17,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 16:11:17,022 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 16:11:17,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 16:11:17,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 16:11:17,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 16:11:17,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 16:11:17,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 16:11:17,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 16:11:17,023 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 16:11:17,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 16:11:17,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 16:11:17,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 16:11:17,025 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 16:11:17,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 16:11:17,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 16:11:17,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 16:11:17,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 16:11:17,337 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 16:11:17,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2021-06-11 16:11:17,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9536173cb/2533c03b8e4d4aac90df964623508430/FLAGce5b39c87 [2021-06-11 16:11:17,825 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 16:11:17,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_pso.oepc.i [2021-06-11 16:11:17,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9536173cb/2533c03b8e4d4aac90df964623508430/FLAGce5b39c87 [2021-06-11 16:11:18,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9536173cb/2533c03b8e4d4aac90df964623508430 [2021-06-11 16:11:18,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 16:11:18,370 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 16:11:18,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 16:11:18,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 16:11:18,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 16:11:18,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c20770f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18, skipping insertion in model container [2021-06-11 16:11:18,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 16:11:18,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 16:11:18,549 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/safe016_pso.oepc.i[950,963] [2021-06-11 16:11:18,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:11:18,735 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 16:11:18,744 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/safe016_pso.oepc.i[950,963] [2021-06-11 16:11:18,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 16:11:18,828 INFO L208 MainTranslator]: Completed translation [2021-06-11 16:11:18,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18 WrapperNode [2021-06-11 16:11:18,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 16:11:18,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 16:11:18,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 16:11:18,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 16:11:18,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 16:11:18,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 16:11:18,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 16:11:18,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 16:11:18,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (1/1) ... [2021-06-11 16:11:18,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 16:11:18,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 16:11:18,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 16:11:18,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 16:11:18,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (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 16:11:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 16:11:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 16:11:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 16:11:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 16:11:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 16:11:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 16:11:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 16:11:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 16:11:18,986 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 16:11:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 16:11:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 16:11:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 16:11:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 16:11:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 16:11:18,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 16:11:18,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 16:11:18,988 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 16:11:19,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 16:11:19,349 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-11 16:11:19,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:11:19 BoogieIcfgContainer [2021-06-11 16:11:19,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 16:11:19,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 16:11:19,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 16:11:19,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 16:11:19,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 04:11:18" (1/3) ... [2021-06-11 16:11:19,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:11:19, skipping insertion in model container [2021-06-11 16:11:19,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 04:11:18" (2/3) ... [2021-06-11 16:11:19,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 04:11:19, skipping insertion in model container [2021-06-11 16:11:19,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 04:11:19" (3/3) ... [2021-06-11 16:11:19,357 INFO L111 eAbstractionObserver]: Analyzing ICFG safe016_pso.oepc.i [2021-06-11 16:11:19,362 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 16:11:19,365 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 16:11:19,366 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 16:11:19,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,390 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,397 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,397 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,398 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,398 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,400 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,401 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,401 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,405 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,405 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,406 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,407 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,407 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 16:11:19,410 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 16:11:19,426 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-11 16:11:19,442 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 16:11:19,443 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 16:11:19,443 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 16:11:19,443 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 16:11:19,443 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 16:11:19,443 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 16:11:19,443 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 16:11:19,443 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 16:11:19,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 85 transitions, 190 flow [2021-06-11 16:11:19,485 INFO L129 PetriNetUnfolder]: 2/81 cut-off events. [2021-06-11 16:11:19,485 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:19,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 81 events. 2/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-06-11 16:11:19,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 85 transitions, 190 flow [2021-06-11 16:11:19,493 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 67 transitions, 146 flow [2021-06-11 16:11:19,494 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:19,505 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions, 146 flow [2021-06-11 16:11:19,509 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 67 transitions, 146 flow [2021-06-11 16:11:19,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions, 146 flow [2021-06-11 16:11:19,532 INFO L129 PetriNetUnfolder]: 1/67 cut-off events. [2021-06-11 16:11:19,532 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:19,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 67 events. 1/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-06-11 16:11:19,537 INFO L151 LiptonReduction]: Number of co-enabled transitions 1250 [2021-06-11 16:11:19,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:19,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:19,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:19,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:19,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:19,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:19,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:19,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:19,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:19,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:19,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:20,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:20,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:20,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:20,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:20,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:20,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:20,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:20,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:20,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:20,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:20,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:20,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:21,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:21,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:21,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,107 INFO L147 QuantifierPusher]: treesize reduction 29, result has 3.3 percent of original size 1 [2021-06-11 16:11:21,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:21,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:21,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:21,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:21,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:21,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:21,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:21,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 16:11:21,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 16:11:21,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,497 INFO L147 QuantifierPusher]: treesize reduction 31, result has 11.4 percent of original size 4 [2021-06-11 16:11:21,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:21,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:21,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 16:11:21,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 16:11:21,920 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2021-06-11 16:11:22,110 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2021-06-11 16:11:22,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,183 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:22,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:22,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 16:11:22,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:22,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:22,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:22,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 16:11:22,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 16:11:22,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 16:11:22,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 16:11:22,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 16:11:22,207 INFO L163 LiptonReduction]: Checked pairs total: 2055 [2021-06-11 16:11:22,208 INFO L165 LiptonReduction]: Total number of compositions: 50 [2021-06-11 16:11:22,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2720 [2021-06-11 16:11:22,221 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-06-11 16:11:22,221 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:22,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:22,222 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:22,222 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:22,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:22,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1819579583, now seen corresponding path program 1 times [2021-06-11 16:11:22,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:22,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836136380] [2021-06-11 16:11:22,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:22,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:22,345 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 16:11:22,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836136380] [2021-06-11 16:11:22,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:22,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:11:22,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141549078] [2021-06-11 16:11:22,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-11 16:11:22,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:22,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-11 16:11:22,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-11 16:11:22,365 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 135 [2021-06-11 16:11:22,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 21 transitions, 54 flow. Second operand has 2 states, 2 states have (on average 128.5) internal successors, (257), 2 states have internal predecessors, (257), 0 states have call successors, (0), 0 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 16:11:22,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:22,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 135 [2021-06-11 16:11:22,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:22,374 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-06-11 16:11:22,374 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:22,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 20 events. 0/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 20 event pairs, 0 based on Foata normal form. 1/21 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 16:11:22,375 INFO L132 encePairwiseOnDemand]: 134/135 looper letters, 0 selfloop transitions, 0 changer transitions 0/20 dead transitions. [2021-06-11 16:11:22,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 20 transitions, 52 flow [2021-06-11 16:11:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-11 16:11:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-11 16:11:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 257 transitions. [2021-06-11 16:11:22,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9518518518518518 [2021-06-11 16:11:22,385 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 257 transitions. [2021-06-11 16:11:22,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 257 transitions. [2021-06-11 16:11:22,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:22,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 257 transitions. [2021-06-11 16:11:22,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 128.5) internal successors, (257), 2 states have internal predecessors, (257), 0 states have call successors, (0), 0 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 16:11:22,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 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 16:11:22,394 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 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 16:11:22,395 INFO L185 Difference]: Start difference. First operand has 33 places, 21 transitions, 54 flow. Second operand 2 states and 257 transitions. [2021-06-11 16:11:22,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 20 transitions, 52 flow [2021-06-11 16:11:22,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 20 transitions, 48 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 16:11:22,398 INFO L241 Difference]: Finished difference. Result has 30 places, 20 transitions, 48 flow [2021-06-11 16:11:22,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=48, PETRI_PLACES=30, PETRI_TRANSITIONS=20} [2021-06-11 16:11:22,400 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, -3 predicate places. [2021-06-11 16:11:22,400 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:22,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 20 transitions, 48 flow [2021-06-11 16:11:22,401 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 20 transitions, 48 flow [2021-06-11 16:11:22,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 20 transitions, 48 flow [2021-06-11 16:11:22,405 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-06-11 16:11:22,405 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:22,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 20 events. 0/20 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/20 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-06-11 16:11:22,405 INFO L151 LiptonReduction]: Number of co-enabled transitions 178 [2021-06-11 16:11:22,407 INFO L163 LiptonReduction]: Checked pairs total: 172 [2021-06-11 16:11:22,407 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:22,407 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-06-11 16:11:22,408 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 20 transitions, 48 flow [2021-06-11 16:11:22,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 128.5) internal successors, (257), 2 states have internal predecessors, (257), 0 states have call successors, (0), 0 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 16:11:22,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:22,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:22,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 16:11:22,409 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:22,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:22,409 INFO L82 PathProgramCache]: Analyzing trace with hash 572392223, now seen corresponding path program 1 times [2021-06-11 16:11:22,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:22,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093143093] [2021-06-11 16:11:22,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:22,497 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:11:22,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:22,508 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 16:11:22,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093143093] [2021-06-11 16:11:22,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:22,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:11:22,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409775227] [2021-06-11 16:11:22,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:11:22,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:22,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:11:22,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:11:22,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 135 [2021-06-11 16:11:22,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 20 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 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 16:11:22,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:22,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 135 [2021-06-11 16:11:22,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:22,565 INFO L129 PetriNetUnfolder]: 148/336 cut-off events. [2021-06-11 16:11:22,565 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:22,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 336 events. 148/336 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1848 event pairs, 66 based on Foata normal form. 15/327 useless extension candidates. Maximal degree in co-relation 592. Up to 189 conditions per place. [2021-06-11 16:11:22,568 INFO L132 encePairwiseOnDemand]: 127/135 looper letters, 7 selfloop transitions, 7 changer transitions 0/26 dead transitions. [2021-06-11 16:11:22,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 88 flow [2021-06-11 16:11:22,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:11:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:11:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2021-06-11 16:11:22,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7925925925925926 [2021-06-11 16:11:22,571 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 321 transitions. [2021-06-11 16:11:22,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions. [2021-06-11 16:11:22,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:22,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions. [2021-06-11 16:11:22,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 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 16:11:22,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 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 16:11:22,575 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 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 16:11:22,575 INFO L185 Difference]: Start difference. First operand has 29 places, 20 transitions, 48 flow. Second operand 3 states and 321 transitions. [2021-06-11 16:11:22,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 26 transitions, 88 flow [2021-06-11 16:11:22,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 88 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:11:22,576 INFO L241 Difference]: Finished difference. Result has 33 places, 26 transitions, 102 flow [2021-06-11 16:11:22,576 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=33, PETRI_TRANSITIONS=26} [2021-06-11 16:11:22,577 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2021-06-11 16:11:22,577 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:22,577 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 26 transitions, 102 flow [2021-06-11 16:11:22,577 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 26 transitions, 102 flow [2021-06-11 16:11:22,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 26 transitions, 102 flow [2021-06-11 16:11:22,602 INFO L129 PetriNetUnfolder]: 148/333 cut-off events. [2021-06-11 16:11:22,602 INFO L130 PetriNetUnfolder]: For 31/41 co-relation queries the response was YES. [2021-06-11 16:11:22,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 706 conditions, 333 events. 148/333 cut-off events. For 31/41 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1833 event pairs, 66 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 697. Up to 189 conditions per place. [2021-06-11 16:11:22,606 INFO L151 LiptonReduction]: Number of co-enabled transitions 216 [2021-06-11 16:11:22,609 INFO L163 LiptonReduction]: Checked pairs total: 16 [2021-06-11 16:11:22,609 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:22,609 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-06-11 16:11:22,610 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 26 transitions, 102 flow [2021-06-11 16:11:22,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 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 16:11:22,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:22,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:22,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 16:11:22,611 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:22,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:22,612 INFO L82 PathProgramCache]: Analyzing trace with hash 702786869, now seen corresponding path program 1 times [2021-06-11 16:11:22,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:22,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502250056] [2021-06-11 16:11:22,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:22,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:22,692 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:11:22,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:22,702 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 16:11:22,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502250056] [2021-06-11 16:11:22,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:22,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:11:22,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928307374] [2021-06-11 16:11:22,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:22,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:22,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:22,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:22,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 135 [2021-06-11 16:11:22,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 26 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 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 16:11:22,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:22,709 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 135 [2021-06-11 16:11:22,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:22,757 INFO L129 PetriNetUnfolder]: 105/258 cut-off events. [2021-06-11 16:11:22,758 INFO L130 PetriNetUnfolder]: For 74/360 co-relation queries the response was YES. [2021-06-11 16:11:22,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 258 events. 105/258 cut-off events. For 74/360 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1263 event pairs, 2 based on Foata normal form. 3/249 useless extension candidates. Maximal degree in co-relation 726. Up to 142 conditions per place. [2021-06-11 16:11:22,762 INFO L132 encePairwiseOnDemand]: 127/135 looper letters, 14 selfloop transitions, 11 changer transitions 0/37 dead transitions. [2021-06-11 16:11:22,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 37 transitions, 208 flow [2021-06-11 16:11:22,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:11:22,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:11:22,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 429 transitions. [2021-06-11 16:11:22,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7944444444444444 [2021-06-11 16:11:22,768 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 429 transitions. [2021-06-11 16:11:22,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 429 transitions. [2021-06-11 16:11:22,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:22,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 429 transitions. [2021-06-11 16:11:22,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 107.25) internal successors, (429), 4 states have internal predecessors, (429), 0 states have call successors, (0), 0 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 16:11:22,773 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:22,774 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:22,774 INFO L185 Difference]: Start difference. First operand has 33 places, 26 transitions, 102 flow. Second operand 4 states and 429 transitions. [2021-06-11 16:11:22,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 37 transitions, 208 flow [2021-06-11 16:11:22,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 37 transitions, 182 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:11:22,778 INFO L241 Difference]: Finished difference. Result has 37 places, 34 transitions, 178 flow [2021-06-11 16:11:22,778 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=37, PETRI_TRANSITIONS=34} [2021-06-11 16:11:22,778 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 4 predicate places. [2021-06-11 16:11:22,778 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:22,778 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 34 transitions, 178 flow [2021-06-11 16:11:22,781 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 34 transitions, 178 flow [2021-06-11 16:11:22,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 34 transitions, 178 flow [2021-06-11 16:11:22,810 INFO L129 PetriNetUnfolder]: 105/251 cut-off events. [2021-06-11 16:11:22,810 INFO L130 PetriNetUnfolder]: For 186/276 co-relation queries the response was YES. [2021-06-11 16:11:22,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 251 events. 105/251 cut-off events. For 186/276 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1271 event pairs, 23 based on Foata normal form. 1/239 useless extension candidates. Maximal degree in co-relation 657. Up to 142 conditions per place. [2021-06-11 16:11:22,813 INFO L151 LiptonReduction]: Number of co-enabled transitions 268 [2021-06-11 16:11:22,819 INFO L163 LiptonReduction]: Checked pairs total: 24 [2021-06-11 16:11:22,819 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:22,819 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-06-11 16:11:22,822 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 34 transitions, 178 flow [2021-06-11 16:11:22,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 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 16:11:22,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:22,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:22,822 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 16:11:22,822 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:22,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:22,823 INFO L82 PathProgramCache]: Analyzing trace with hash 564273576, now seen corresponding path program 1 times [2021-06-11 16:11:22,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:22,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904137561] [2021-06-11 16:11:22,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:22,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:22,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:22,904 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:11:22,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:11:22,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904137561] [2021-06-11 16:11:22,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:22,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:11:22,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789960107] [2021-06-11 16:11:22,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:22,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:22,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:22,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:22,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 135 [2021-06-11 16:11:22,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 34 transitions, 178 flow. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 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 16:11:22,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:22,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 135 [2021-06-11 16:11:22,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:22,954 INFO L129 PetriNetUnfolder]: 89/227 cut-off events. [2021-06-11 16:11:22,955 INFO L130 PetriNetUnfolder]: For 233/728 co-relation queries the response was YES. [2021-06-11 16:11:22,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 227 events. 89/227 cut-off events. For 233/728 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1078 event pairs, 19 based on Foata normal form. 19/239 useless extension candidates. Maximal degree in co-relation 756. Up to 119 conditions per place. [2021-06-11 16:11:22,957 INFO L132 encePairwiseOnDemand]: 127/135 looper letters, 19 selfloop transitions, 14 changer transitions 0/45 dead transitions. [2021-06-11 16:11:22,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 45 transitions, 318 flow [2021-06-11 16:11:22,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:11:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:11:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2021-06-11 16:11:22,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7888888888888889 [2021-06-11 16:11:22,958 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 426 transitions. [2021-06-11 16:11:22,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 426 transitions. [2021-06-11 16:11:22,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:22,959 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 426 transitions. [2021-06-11 16:11:22,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.5) internal successors, (426), 4 states have internal predecessors, (426), 0 states have call successors, (0), 0 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 16:11:22,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:22,961 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:22,961 INFO L185 Difference]: Start difference. First operand has 37 places, 34 transitions, 178 flow. Second operand 4 states and 426 transitions. [2021-06-11 16:11:22,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 45 transitions, 318 flow [2021-06-11 16:11:22,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 45 transitions, 318 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 16:11:22,964 INFO L241 Difference]: Finished difference. Result has 43 places, 41 transitions, 302 flow [2021-06-11 16:11:22,965 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=302, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2021-06-11 16:11:22,965 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 10 predicate places. [2021-06-11 16:11:22,965 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:22,965 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 41 transitions, 302 flow [2021-06-11 16:11:22,965 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 41 transitions, 302 flow [2021-06-11 16:11:22,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 41 transitions, 302 flow [2021-06-11 16:11:22,982 INFO L129 PetriNetUnfolder]: 89/224 cut-off events. [2021-06-11 16:11:22,983 INFO L130 PetriNetUnfolder]: For 483/659 co-relation queries the response was YES. [2021-06-11 16:11:22,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 782 conditions, 224 events. 89/224 cut-off events. For 483/659 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1109 event pairs, 16 based on Foata normal form. 2/217 useless extension candidates. Maximal degree in co-relation 765. Up to 119 conditions per place. [2021-06-11 16:11:22,985 INFO L151 LiptonReduction]: Number of co-enabled transitions 316 [2021-06-11 16:11:22,990 INFO L163 LiptonReduction]: Checked pairs total: 31 [2021-06-11 16:11:22,990 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:22,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 25 [2021-06-11 16:11:22,991 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 41 transitions, 302 flow [2021-06-11 16:11:22,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 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 16:11:22,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:22,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:22,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 16:11:22,992 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:22,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:22,992 INFO L82 PathProgramCache]: Analyzing trace with hash 313083180, now seen corresponding path program 1 times [2021-06-11 16:11:22,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:22,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783593955] [2021-06-11 16:11:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,022 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 16:11:23,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783593955] [2021-06-11 16:11:23,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:11:23,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394079644] [2021-06-11 16:11:23,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:11:23,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:11:23,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:11:23,024 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 135 [2021-06-11 16:11:23,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 41 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 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 16:11:23,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 135 [2021-06-11 16:11:23,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:23,063 INFO L129 PetriNetUnfolder]: 74/200 cut-off events. [2021-06-11 16:11:23,064 INFO L130 PetriNetUnfolder]: For 517/711 co-relation queries the response was YES. [2021-06-11 16:11:23,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 200 events. 74/200 cut-off events. For 517/711 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 958 event pairs, 8 based on Foata normal form. 8/200 useless extension candidates. Maximal degree in co-relation 744. Up to 103 conditions per place. [2021-06-11 16:11:23,065 INFO L132 encePairwiseOnDemand]: 131/135 looper letters, 12 selfloop transitions, 8 changer transitions 0/47 dead transitions. [2021-06-11 16:11:23,066 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 47 transitions, 388 flow [2021-06-11 16:11:23,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:11:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:11:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 345 transitions. [2021-06-11 16:11:23,068 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8518518518518519 [2021-06-11 16:11:23,068 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 345 transitions. [2021-06-11 16:11:23,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 345 transitions. [2021-06-11 16:11:23,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:23,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 345 transitions. [2021-06-11 16:11:23,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 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 16:11:23,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 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 16:11:23,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 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 16:11:23,071 INFO L185 Difference]: Start difference. First operand has 43 places, 41 transitions, 302 flow. Second operand 3 states and 345 transitions. [2021-06-11 16:11:23,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 47 transitions, 388 flow [2021-06-11 16:11:23,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 47 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:11:23,075 INFO L241 Difference]: Finished difference. Result has 45 places, 46 transitions, 376 flow [2021-06-11 16:11:23,076 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=45, PETRI_TRANSITIONS=46} [2021-06-11 16:11:23,076 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 12 predicate places. [2021-06-11 16:11:23,076 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:23,076 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 46 transitions, 376 flow [2021-06-11 16:11:23,076 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 46 transitions, 376 flow [2021-06-11 16:11:23,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 46 transitions, 376 flow [2021-06-11 16:11:23,105 INFO L129 PetriNetUnfolder]: 74/200 cut-off events. [2021-06-11 16:11:23,105 INFO L130 PetriNetUnfolder]: For 497/664 co-relation queries the response was YES. [2021-06-11 16:11:23,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 765 conditions, 200 events. 74/200 cut-off events. For 497/664 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 982 event pairs, 10 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 746. Up to 103 conditions per place. [2021-06-11 16:11:23,107 INFO L151 LiptonReduction]: Number of co-enabled transitions 366 [2021-06-11 16:11:23,115 INFO L163 LiptonReduction]: Checked pairs total: 36 [2021-06-11 16:11:23,115 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:23,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-06-11 16:11:23,119 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 46 transitions, 376 flow [2021-06-11 16:11:23,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 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 16:11:23,119 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:23,119 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:23,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 16:11:23,120 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:23,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:23,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1234743094, now seen corresponding path program 1 times [2021-06-11 16:11:23,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:23,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224123779] [2021-06-11 16:11:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:23,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,188 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:11:23,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:23,196 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 16:11:23,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224123779] [2021-06-11 16:11:23,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,196 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:11:23,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104051882] [2021-06-11 16:11:23,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:23,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:23,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:23,198 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 135 [2021-06-11 16:11:23,198 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 46 transitions, 376 flow. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 0 states have call successors, (0), 0 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 16:11:23,198 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,198 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 135 [2021-06-11 16:11:23,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:23,249 INFO L129 PetriNetUnfolder]: 66/206 cut-off events. [2021-06-11 16:11:23,249 INFO L130 PetriNetUnfolder]: For 536/910 co-relation queries the response was YES. [2021-06-11 16:11:23,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 907 conditions, 206 events. 66/206 cut-off events. For 536/910 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1073 event pairs, 12 based on Foata normal form. 23/220 useless extension candidates. Maximal degree in co-relation 886. Up to 98 conditions per place. [2021-06-11 16:11:23,251 INFO L132 encePairwiseOnDemand]: 127/135 looper letters, 16 selfloop transitions, 22 changer transitions 1/51 dead transitions. [2021-06-11 16:11:23,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 51 transitions, 502 flow [2021-06-11 16:11:23,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:11:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:11:23,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2021-06-11 16:11:23,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7888888888888889 [2021-06-11 16:11:23,253 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 426 transitions. [2021-06-11 16:11:23,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 426 transitions. [2021-06-11 16:11:23,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:23,253 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 426 transitions. [2021-06-11 16:11:23,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.5) internal successors, (426), 4 states have internal predecessors, (426), 0 states have call successors, (0), 0 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 16:11:23,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:23,256 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:23,256 INFO L185 Difference]: Start difference. First operand has 45 places, 46 transitions, 376 flow. Second operand 4 states and 426 transitions. [2021-06-11 16:11:23,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 51 transitions, 502 flow [2021-06-11 16:11:23,258 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 494 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 16:11:23,259 INFO L241 Difference]: Finished difference. Result has 50 places, 48 transitions, 488 flow [2021-06-11 16:11:23,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=488, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2021-06-11 16:11:23,260 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 17 predicate places. [2021-06-11 16:11:23,260 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:23,260 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 48 transitions, 488 flow [2021-06-11 16:11:23,261 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 48 transitions, 488 flow [2021-06-11 16:11:23,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 48 transitions, 488 flow [2021-06-11 16:11:23,279 INFO L129 PetriNetUnfolder]: 61/186 cut-off events. [2021-06-11 16:11:23,280 INFO L130 PetriNetUnfolder]: For 626/697 co-relation queries the response was YES. [2021-06-11 16:11:23,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 186 events. 61/186 cut-off events. For 626/697 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 973 event pairs, 13 based on Foata normal form. 1/180 useless extension candidates. Maximal degree in co-relation 798. Up to 93 conditions per place. [2021-06-11 16:11:23,282 INFO L151 LiptonReduction]: Number of co-enabled transitions 372 [2021-06-11 16:11:23,289 INFO L163 LiptonReduction]: Checked pairs total: 38 [2021-06-11 16:11:23,289 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:23,289 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 16:11:23,290 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 488 flow [2021-06-11 16:11:23,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 4 states have internal predecessors, (413), 0 states have call successors, (0), 0 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 16:11:23,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:23,290 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:23,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 16:11:23,290 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:23,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:23,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1067787209, now seen corresponding path program 1 times [2021-06-11 16:11:23,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:23,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484189643] [2021-06-11 16:11:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,331 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 16:11:23,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484189643] [2021-06-11 16:11:23,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 16:11:23,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863463584] [2021-06-11 16:11:23,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 16:11:23,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 16:11:23,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 16:11:23,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 135 [2021-06-11 16:11:23,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 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 16:11:23,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 135 [2021-06-11 16:11:23,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:23,358 INFO L129 PetriNetUnfolder]: 58/185 cut-off events. [2021-06-11 16:11:23,358 INFO L130 PetriNetUnfolder]: For 786/888 co-relation queries the response was YES. [2021-06-11 16:11:23,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 811 conditions, 185 events. 58/185 cut-off events. For 786/888 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 928 event pairs, 10 based on Foata normal form. 5/182 useless extension candidates. Maximal degree in co-relation 786. Up to 88 conditions per place. [2021-06-11 16:11:23,360 INFO L132 encePairwiseOnDemand]: 132/135 looper letters, 1 selfloop transitions, 5 changer transitions 0/48 dead transitions. [2021-06-11 16:11:23,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 48 transitions, 500 flow [2021-06-11 16:11:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 16:11:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 16:11:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2021-06-11 16:11:23,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8617283950617284 [2021-06-11 16:11:23,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 349 transitions. [2021-06-11 16:11:23,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 349 transitions. [2021-06-11 16:11:23,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:23,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 349 transitions. [2021-06-11 16:11:23,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 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 16:11:23,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 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 16:11:23,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 135.0) internal successors, (540), 4 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 16:11:23,364 INFO L185 Difference]: Start difference. First operand has 50 places, 48 transitions, 488 flow. Second operand 3 states and 349 transitions. [2021-06-11 16:11:23,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 48 transitions, 500 flow [2021-06-11 16:11:23,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 492 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-06-11 16:11:23,370 INFO L241 Difference]: Finished difference. Result has 53 places, 48 transitions, 497 flow [2021-06-11 16:11:23,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=53, PETRI_TRANSITIONS=48} [2021-06-11 16:11:23,370 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 20 predicate places. [2021-06-11 16:11:23,370 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:23,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 48 transitions, 497 flow [2021-06-11 16:11:23,371 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 48 transitions, 497 flow [2021-06-11 16:11:23,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 48 transitions, 497 flow [2021-06-11 16:11:23,388 INFO L129 PetriNetUnfolder]: 58/179 cut-off events. [2021-06-11 16:11:23,388 INFO L130 PetriNetUnfolder]: For 669/734 co-relation queries the response was YES. [2021-06-11 16:11:23,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 807 conditions, 179 events. 58/179 cut-off events. For 669/734 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 905 event pairs, 8 based on Foata normal form. 1/175 useless extension candidates. Maximal degree in co-relation 781. Up to 88 conditions per place. [2021-06-11 16:11:23,391 INFO L151 LiptonReduction]: Number of co-enabled transitions 372 [2021-06-11 16:11:23,397 INFO L163 LiptonReduction]: Checked pairs total: 38 [2021-06-11 16:11:23,397 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:23,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-06-11 16:11:23,399 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 48 transitions, 497 flow [2021-06-11 16:11:23,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 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 16:11:23,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:23,400 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:23,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 16:11:23,400 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:23,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:23,400 INFO L82 PathProgramCache]: Analyzing trace with hash -788244257, now seen corresponding path program 1 times [2021-06-11 16:11:23,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:23,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446397657] [2021-06-11 16:11:23,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,454 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 16:11:23,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446397657] [2021-06-11 16:11:23,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:11:23,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745622033] [2021-06-11 16:11:23,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:23,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:23,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:23,456 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 135 [2021-06-11 16:11:23,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 48 transitions, 497 flow. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 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 16:11:23,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 135 [2021-06-11 16:11:23,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:23,495 INFO L129 PetriNetUnfolder]: 67/239 cut-off events. [2021-06-11 16:11:23,495 INFO L130 PetriNetUnfolder]: For 1176/1312 co-relation queries the response was YES. [2021-06-11 16:11:23,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 239 events. 67/239 cut-off events. For 1176/1312 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1420 event pairs, 17 based on Foata normal form. 9/240 useless extension candidates. Maximal degree in co-relation 1105. Up to 107 conditions per place. [2021-06-11 16:11:23,497 INFO L132 encePairwiseOnDemand]: 130/135 looper letters, 9 selfloop transitions, 6 changer transitions 14/54 dead transitions. [2021-06-11 16:11:23,497 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 54 transitions, 612 flow [2021-06-11 16:11:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:11:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:11:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 447 transitions. [2021-06-11 16:11:23,499 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8277777777777777 [2021-06-11 16:11:23,499 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 447 transitions. [2021-06-11 16:11:23,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 447 transitions. [2021-06-11 16:11:23,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:23,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 447 transitions. [2021-06-11 16:11:23,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.75) internal successors, (447), 4 states have internal predecessors, (447), 0 states have call successors, (0), 0 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 16:11:23,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:23,503 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:23,503 INFO L185 Difference]: Start difference. First operand has 53 places, 48 transitions, 497 flow. Second operand 4 states and 447 transitions. [2021-06-11 16:11:23,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 54 transitions, 612 flow [2021-06-11 16:11:23,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 54 transitions, 602 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:11:23,509 INFO L241 Difference]: Finished difference. Result has 55 places, 39 transitions, 386 flow [2021-06-11 16:11:23,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=386, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2021-06-11 16:11:23,509 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 22 predicate places. [2021-06-11 16:11:23,509 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:23,509 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 39 transitions, 386 flow [2021-06-11 16:11:23,510 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 39 transitions, 386 flow [2021-06-11 16:11:23,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 39 transitions, 386 flow [2021-06-11 16:11:23,523 INFO L129 PetriNetUnfolder]: 34/134 cut-off events. [2021-06-11 16:11:23,523 INFO L130 PetriNetUnfolder]: For 604/635 co-relation queries the response was YES. [2021-06-11 16:11:23,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 134 events. 34/134 cut-off events. For 604/635 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 650 event pairs, 4 based on Foata normal form. 2/135 useless extension candidates. Maximal degree in co-relation 596. Up to 60 conditions per place. [2021-06-11 16:11:23,524 INFO L151 LiptonReduction]: Number of co-enabled transitions 252 [2021-06-11 16:11:23,529 INFO L163 LiptonReduction]: Checked pairs total: 29 [2021-06-11 16:11:23,529 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:23,529 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 16:11:23,529 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 386 flow [2021-06-11 16:11:23,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 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 16:11:23,530 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:23,530 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:23,530 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 16:11:23,530 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:23,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:23,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1272797497, now seen corresponding path program 1 times [2021-06-11 16:11:23,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:23,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413545036] [2021-06-11 16:11:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:23,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,564 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:11:23,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:11:23,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413545036] [2021-06-11 16:11:23,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:11:23,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507314816] [2021-06-11 16:11:23,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:23,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:23,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:23,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 135 [2021-06-11 16:11:23,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 386 flow. Second operand has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 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 16:11:23,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,576 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 135 [2021-06-11 16:11:23,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:23,608 INFO L129 PetriNetUnfolder]: 30/134 cut-off events. [2021-06-11 16:11:23,609 INFO L130 PetriNetUnfolder]: For 583/608 co-relation queries the response was YES. [2021-06-11 16:11:23,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 134 events. 30/134 cut-off events. For 583/608 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 654 event pairs, 2 based on Foata normal form. 8/140 useless extension candidates. Maximal degree in co-relation 680. Up to 58 conditions per place. [2021-06-11 16:11:23,610 INFO L132 encePairwiseOnDemand]: 128/135 looper letters, 13 selfloop transitions, 14 changer transitions 5/44 dead transitions. [2021-06-11 16:11:23,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 44 transitions, 518 flow [2021-06-11 16:11:23,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:11:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:11:23,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 425 transitions. [2021-06-11 16:11:23,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7870370370370371 [2021-06-11 16:11:23,611 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 425 transitions. [2021-06-11 16:11:23,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 425 transitions. [2021-06-11 16:11:23,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:23,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 425 transitions. [2021-06-11 16:11:23,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 106.25) internal successors, (425), 4 states have internal predecessors, (425), 0 states have call successors, (0), 0 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 16:11:23,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:23,614 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:23,614 INFO L185 Difference]: Start difference. First operand has 55 places, 39 transitions, 386 flow. Second operand 4 states and 425 transitions. [2021-06-11 16:11:23,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 44 transitions, 518 flow [2021-06-11 16:11:23,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 44 transitions, 478 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-06-11 16:11:23,617 INFO L241 Difference]: Finished difference. Result has 56 places, 37 transitions, 395 flow [2021-06-11 16:11:23,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=395, PETRI_PLACES=56, PETRI_TRANSITIONS=37} [2021-06-11 16:11:23,618 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2021-06-11 16:11:23,618 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:23,618 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 37 transitions, 395 flow [2021-06-11 16:11:23,618 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 37 transitions, 395 flow [2021-06-11 16:11:23,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 37 transitions, 395 flow [2021-06-11 16:11:23,628 INFO L129 PetriNetUnfolder]: 22/116 cut-off events. [2021-06-11 16:11:23,628 INFO L130 PetriNetUnfolder]: For 641/672 co-relation queries the response was YES. [2021-06-11 16:11:23,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 541 conditions, 116 events. 22/116 cut-off events. For 641/672 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 542 event pairs, 3 based on Foata normal form. 2/116 useless extension candidates. Maximal degree in co-relation 514. Up to 51 conditions per place. [2021-06-11 16:11:23,630 INFO L151 LiptonReduction]: Number of co-enabled transitions 228 [2021-06-11 16:11:23,633 INFO L163 LiptonReduction]: Checked pairs total: 27 [2021-06-11 16:11:23,633 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:23,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-06-11 16:11:23,634 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 37 transitions, 395 flow [2021-06-11 16:11:23,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 103.5) internal successors, (414), 4 states have internal predecessors, (414), 0 states have call successors, (0), 0 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 16:11:23,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:23,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:23,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 16:11:23,635 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:23,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1094058835, now seen corresponding path program 2 times [2021-06-11 16:11:23,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:23,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078073896] [2021-06-11 16:11:23,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:11:23,664 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 16:11:23,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078073896] [2021-06-11 16:11:23,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:11:23,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267203285] [2021-06-11 16:11:23,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:23,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:23,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:23,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 135 [2021-06-11 16:11:23,666 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 37 transitions, 395 flow. Second operand has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 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 16:11:23,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 135 [2021-06-11 16:11:23,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:23,781 INFO L129 PetriNetUnfolder]: 517/964 cut-off events. [2021-06-11 16:11:23,782 INFO L130 PetriNetUnfolder]: For 2986/3187 co-relation queries the response was YES. [2021-06-11 16:11:23,785 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2598 conditions, 964 events. 517/964 cut-off events. For 2986/3187 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 6247 event pairs, 232 based on Foata normal form. 54/921 useless extension candidates. Maximal degree in co-relation 2569. Up to 651 conditions per place. [2021-06-11 16:11:23,788 INFO L132 encePairwiseOnDemand]: 128/135 looper letters, 10 selfloop transitions, 10 changer transitions 0/50 dead transitions. [2021-06-11 16:11:23,788 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 50 transitions, 461 flow [2021-06-11 16:11:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 16:11:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 16:11:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 537 transitions. [2021-06-11 16:11:23,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7955555555555556 [2021-06-11 16:11:23,791 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 537 transitions. [2021-06-11 16:11:23,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 537 transitions. [2021-06-11 16:11:23,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:23,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 537 transitions. [2021-06-11 16:11:23,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 107.4) internal successors, (537), 5 states have internal predecessors, (537), 0 states have call successors, (0), 0 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 16:11:23,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 0 states have call successors, (0), 0 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 16:11:23,793 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 135.0) internal successors, (810), 6 states have internal predecessors, (810), 0 states have call successors, (0), 0 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 16:11:23,794 INFO L185 Difference]: Start difference. First operand has 56 places, 37 transitions, 395 flow. Second operand 5 states and 537 transitions. [2021-06-11 16:11:23,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 50 transitions, 461 flow [2021-06-11 16:11:23,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 50 transitions, 417 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-06-11 16:11:23,798 INFO L241 Difference]: Finished difference. Result has 60 places, 46 transitions, 426 flow [2021-06-11 16:11:23,799 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=426, PETRI_PLACES=60, PETRI_TRANSITIONS=46} [2021-06-11 16:11:23,799 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 27 predicate places. [2021-06-11 16:11:23,799 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:23,799 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 46 transitions, 426 flow [2021-06-11 16:11:23,800 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 46 transitions, 426 flow [2021-06-11 16:11:23,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 46 transitions, 426 flow [2021-06-11 16:11:23,890 INFO L129 PetriNetUnfolder]: 510/952 cut-off events. [2021-06-11 16:11:23,890 INFO L130 PetriNetUnfolder]: For 2572/2875 co-relation queries the response was YES. [2021-06-11 16:11:23,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3231 conditions, 952 events. 510/952 cut-off events. For 2572/2875 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 6239 event pairs, 231 based on Foata normal form. 12/873 useless extension candidates. Maximal degree in co-relation 3202. Up to 800 conditions per place. [2021-06-11 16:11:23,900 INFO L151 LiptonReduction]: Number of co-enabled transitions 432 [2021-06-11 16:11:23,904 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:11:23,904 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:23,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-06-11 16:11:23,904 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 46 transitions, 426 flow [2021-06-11 16:11:23,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 103.75) internal successors, (415), 4 states have internal predecessors, (415), 0 states have call successors, (0), 0 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 16:11:23,905 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:23,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:23,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 16:11:23,905 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash -443111058, now seen corresponding path program 1 times [2021-06-11 16:11:23,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:23,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649384599] [2021-06-11 16:11:23,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:23,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:23,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:23,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:11:23,940 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 16:11:23,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649384599] [2021-06-11 16:11:23,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:23,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 16:11:23,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53725975] [2021-06-11 16:11:23,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:11:23,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:23,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:11:23,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:11:23,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 135 [2021-06-11 16:11:23,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 46 transitions, 426 flow. Second operand has 5 states, 5 states have (on average 103.8) internal successors, (519), 5 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:11:23,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:23,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 135 [2021-06-11 16:11:23,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:24,088 INFO L129 PetriNetUnfolder]: 488/975 cut-off events. [2021-06-11 16:11:24,088 INFO L130 PetriNetUnfolder]: For 3872/5806 co-relation queries the response was YES. [2021-06-11 16:11:24,092 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4077 conditions, 975 events. 488/975 cut-off events. For 3872/5806 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 6716 event pairs, 64 based on Foata normal form. 277/1166 useless extension candidates. Maximal degree in co-relation 4046. Up to 846 conditions per place. [2021-06-11 16:11:24,096 INFO L132 encePairwiseOnDemand]: 128/135 looper letters, 10 selfloop transitions, 19 changer transitions 0/59 dead transitions. [2021-06-11 16:11:24,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 59 transitions, 560 flow [2021-06-11 16:11:24,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 16:11:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 16:11:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 752 transitions. [2021-06-11 16:11:24,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7957671957671958 [2021-06-11 16:11:24,098 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 752 transitions. [2021-06-11 16:11:24,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 752 transitions. [2021-06-11 16:11:24,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:24,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 752 transitions. [2021-06-11 16:11:24,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 107.42857142857143) internal successors, (752), 7 states have internal predecessors, (752), 0 states have call successors, (0), 0 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 16:11:24,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 135.0) internal successors, (1080), 8 states have internal predecessors, (1080), 0 states have call successors, (0), 0 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 16:11:24,102 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 135.0) internal successors, (1080), 8 states have internal predecessors, (1080), 0 states have call successors, (0), 0 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 16:11:24,102 INFO L185 Difference]: Start difference. First operand has 60 places, 46 transitions, 426 flow. Second operand 7 states and 752 transitions. [2021-06-11 16:11:24,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 59 transitions, 560 flow [2021-06-11 16:11:24,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 59 transitions, 539 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 16:11:24,108 INFO L241 Difference]: Finished difference. Result has 67 places, 55 transitions, 539 flow [2021-06-11 16:11:24,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=539, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2021-06-11 16:11:24,109 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 34 predicate places. [2021-06-11 16:11:24,109 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:24,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 55 transitions, 539 flow [2021-06-11 16:11:24,109 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 55 transitions, 539 flow [2021-06-11 16:11:24,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 55 transitions, 539 flow [2021-06-11 16:11:24,193 INFO L129 PetriNetUnfolder]: 488/975 cut-off events. [2021-06-11 16:11:24,193 INFO L130 PetriNetUnfolder]: For 4605/6469 co-relation queries the response was YES. [2021-06-11 16:11:24,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4785 conditions, 975 events. 488/975 cut-off events. For 4605/6469 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 6873 event pairs, 64 based on Foata normal form. 21/913 useless extension candidates. Maximal degree in co-relation 4753. Up to 846 conditions per place. [2021-06-11 16:11:24,208 INFO L151 LiptonReduction]: Number of co-enabled transitions 628 [2021-06-11 16:11:24,214 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:11:24,214 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:24,214 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 105 [2021-06-11 16:11:24,215 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 539 flow [2021-06-11 16:11:24,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 103.8) internal successors, (519), 5 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:11:24,215 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:24,215 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:24,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 16:11:24,216 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:24,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1920274917, now seen corresponding path program 1 times [2021-06-11 16:11:24,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:24,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772612627] [2021-06-11 16:11:24,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:24,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:11:24,255 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 16:11:24,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772612627] [2021-06-11 16:11:24,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:24,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:11:24,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107391306] [2021-06-11 16:11:24,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 16:11:24,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:24,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 16:11:24,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 16:11:24,257 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 135 [2021-06-11 16:11:24,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 539 flow. Second operand has 6 states, 6 states have (on average 103.83333333333333) internal successors, (623), 6 states have internal predecessors, (623), 0 states have call successors, (0), 0 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 16:11:24,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:24,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 135 [2021-06-11 16:11:24,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:24,432 INFO L129 PetriNetUnfolder]: 451/937 cut-off events. [2021-06-11 16:11:24,432 INFO L130 PetriNetUnfolder]: For 5735/10493 co-relation queries the response was YES. [2021-06-11 16:11:24,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5362 conditions, 937 events. 451/937 cut-off events. For 5735/10493 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 6674 event pairs, 8 based on Foata normal form. 462/1315 useless extension candidates. Maximal degree in co-relation 5328. Up to 831 conditions per place. [2021-06-11 16:11:24,441 INFO L132 encePairwiseOnDemand]: 128/135 looper letters, 6 selfloop transitions, 28 changer transitions 5/68 dead transitions. [2021-06-11 16:11:24,441 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 68 transitions, 741 flow [2021-06-11 16:11:24,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 16:11:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 16:11:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 967 transitions. [2021-06-11 16:11:24,443 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7958847736625514 [2021-06-11 16:11:24,444 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 967 transitions. [2021-06-11 16:11:24,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 967 transitions. [2021-06-11 16:11:24,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:24,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 967 transitions. [2021-06-11 16:11:24,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 107.44444444444444) internal successors, (967), 9 states have internal predecessors, (967), 0 states have call successors, (0), 0 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 16:11:24,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 135.0) internal successors, (1350), 10 states have internal predecessors, (1350), 0 states have call successors, (0), 0 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 16:11:24,449 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 135.0) internal successors, (1350), 10 states have internal predecessors, (1350), 0 states have call successors, (0), 0 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 16:11:24,449 INFO L185 Difference]: Start difference. First operand has 67 places, 55 transitions, 539 flow. Second operand 9 states and 967 transitions. [2021-06-11 16:11:24,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 68 transitions, 741 flow [2021-06-11 16:11:24,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 68 transitions, 691 flow, removed 17 selfloop flow, removed 3 redundant places. [2021-06-11 16:11:24,469 INFO L241 Difference]: Finished difference. Result has 75 places, 63 transitions, 659 flow [2021-06-11 16:11:24,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=659, PETRI_PLACES=75, PETRI_TRANSITIONS=63} [2021-06-11 16:11:24,469 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 42 predicate places. [2021-06-11 16:11:24,469 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:24,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions, 659 flow [2021-06-11 16:11:24,470 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 63 transitions, 659 flow [2021-06-11 16:11:24,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions, 659 flow [2021-06-11 16:11:24,575 INFO L129 PetriNetUnfolder]: 405/876 cut-off events. [2021-06-11 16:11:24,575 INFO L130 PetriNetUnfolder]: For 5289/5804 co-relation queries the response was YES. [2021-06-11 16:11:24,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4690 conditions, 876 events. 405/876 cut-off events. For 5289/5804 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 6570 event pairs, 8 based on Foata normal form. 5/810 useless extension candidates. Maximal degree in co-relation 4655. Up to 557 conditions per place. [2021-06-11 16:11:24,590 INFO L151 LiptonReduction]: Number of co-enabled transitions 672 [2021-06-11 16:11:24,596 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:11:24,596 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:24,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 127 [2021-06-11 16:11:24,598 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 63 transitions, 659 flow [2021-06-11 16:11:24,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 103.83333333333333) internal successors, (623), 6 states have internal predecessors, (623), 0 states have call successors, (0), 0 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 16:11:24,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:24,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:24,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 16:11:24,598 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:24,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:24,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1399050828, now seen corresponding path program 1 times [2021-06-11 16:11:24,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:24,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492881602] [2021-06-11 16:11:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:24,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 16:11:24,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,649 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-11 16:11:24,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 16:11:24,659 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 16:11:24,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492881602] [2021-06-11 16:11:24,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:24,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 16:11:24,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912826289] [2021-06-11 16:11:24,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 16:11:24,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:24,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 16:11:24,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 16:11:24,661 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 135 [2021-06-11 16:11:24,662 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 63 transitions, 659 flow. Second operand has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 0 states have call successors, (0), 0 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 16:11:24,662 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:24,662 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 135 [2021-06-11 16:11:24,662 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:24,790 INFO L129 PetriNetUnfolder]: 498/1054 cut-off events. [2021-06-11 16:11:24,790 INFO L130 PetriNetUnfolder]: For 7412/8391 co-relation queries the response was YES. [2021-06-11 16:11:24,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5766 conditions, 1054 events. 498/1054 cut-off events. For 7412/8391 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 7936 event pairs, 10 based on Foata normal form. 21/969 useless extension candidates. Maximal degree in co-relation 5729. Up to 693 conditions per place. [2021-06-11 16:11:24,798 INFO L132 encePairwiseOnDemand]: 127/135 looper letters, 13 selfloop transitions, 16 changer transitions 5/72 dead transitions. [2021-06-11 16:11:24,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 72 transitions, 820 flow [2021-06-11 16:11:24,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 16:11:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 16:11:24,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 633 transitions. [2021-06-11 16:11:24,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7814814814814814 [2021-06-11 16:11:24,800 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 633 transitions. [2021-06-11 16:11:24,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 633 transitions. [2021-06-11 16:11:24,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:24,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 633 transitions. [2021-06-11 16:11:24,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 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 16:11:24,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:11:24,804 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 135.0) internal successors, (945), 7 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 16:11:24,804 INFO L185 Difference]: Start difference. First operand has 75 places, 63 transitions, 659 flow. Second operand 6 states and 633 transitions. [2021-06-11 16:11:24,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 72 transitions, 820 flow [2021-06-11 16:11:24,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 72 transitions, 723 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-06-11 16:11:24,855 INFO L241 Difference]: Finished difference. Result has 80 places, 65 transitions, 661 flow [2021-06-11 16:11:24,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=661, PETRI_PLACES=80, PETRI_TRANSITIONS=65} [2021-06-11 16:11:24,855 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 47 predicate places. [2021-06-11 16:11:24,855 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:24,856 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 65 transitions, 661 flow [2021-06-11 16:11:24,856 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 65 transitions, 661 flow [2021-06-11 16:11:24,856 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 65 transitions, 661 flow [2021-06-11 16:11:24,929 INFO L129 PetriNetUnfolder]: 402/926 cut-off events. [2021-06-11 16:11:24,929 INFO L130 PetriNetUnfolder]: For 3221/3305 co-relation queries the response was YES. [2021-06-11 16:11:24,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 926 events. 402/926 cut-off events. For 3221/3305 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 7173 event pairs, 11 based on Foata normal form. 5/853 useless extension candidates. Maximal degree in co-relation 3525. Up to 270 conditions per place. [2021-06-11 16:11:24,940 INFO L151 LiptonReduction]: Number of co-enabled transitions 712 [2021-06-11 16:11:24,947 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:11:24,947 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:24,948 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-06-11 16:11:24,948 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 65 transitions, 661 flow [2021-06-11 16:11:24,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 0 states have call successors, (0), 0 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 16:11:24,948 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:24,949 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:24,949 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 16:11:24,949 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:24,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:24,949 INFO L82 PathProgramCache]: Analyzing trace with hash 405209038, now seen corresponding path program 2 times [2021-06-11 16:11:24,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:24,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216638492] [2021-06-11 16:11:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:24,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:24,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:24,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:25,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:25,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:25,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:25,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 16:11:25,012 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 16:11:25,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216638492] [2021-06-11 16:11:25,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:25,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 16:11:25,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916617477] [2021-06-11 16:11:25,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 16:11:25,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:25,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 16:11:25,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 16:11:25,014 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 135 [2021-06-11 16:11:25,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 65 transitions, 661 flow. Second operand has 7 states, 7 states have (on average 103.85714285714286) internal successors, (727), 7 states have internal predecessors, (727), 0 states have call successors, (0), 0 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 16:11:25,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:25,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 135 [2021-06-11 16:11:25,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:25,194 INFO L129 PetriNetUnfolder]: 388/899 cut-off events. [2021-06-11 16:11:25,194 INFO L130 PetriNetUnfolder]: For 3775/5587 co-relation queries the response was YES. [2021-06-11 16:11:25,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4211 conditions, 899 events. 388/899 cut-off events. For 3775/5587 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 6924 event pairs, 2 based on Foata normal form. 455/1267 useless extension candidates. Maximal degree in co-relation 4169. Up to 254 conditions per place. [2021-06-11 16:11:25,201 INFO L132 encePairwiseOnDemand]: 128/135 looper letters, 2 selfloop transitions, 17 changer transitions 37/70 dead transitions. [2021-06-11 16:11:25,201 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 70 transitions, 793 flow [2021-06-11 16:11:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 16:11:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 16:11:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1173 transitions. [2021-06-11 16:11:25,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7898989898989899 [2021-06-11 16:11:25,204 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1173 transitions. [2021-06-11 16:11:25,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1173 transitions. [2021-06-11 16:11:25,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:25,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1173 transitions. [2021-06-11 16:11:25,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 106.63636363636364) internal successors, (1173), 11 states have internal predecessors, (1173), 0 states have call successors, (0), 0 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 16:11:25,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 135.0) internal successors, (1620), 12 states have internal predecessors, (1620), 0 states have call successors, (0), 0 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 16:11:25,210 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 135.0) internal successors, (1620), 12 states have internal predecessors, (1620), 0 states have call successors, (0), 0 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 16:11:25,210 INFO L185 Difference]: Start difference. First operand has 80 places, 65 transitions, 661 flow. Second operand 11 states and 1173 transitions. [2021-06-11 16:11:25,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 70 transitions, 793 flow [2021-06-11 16:11:25,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 70 transitions, 762 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 16:11:25,233 INFO L241 Difference]: Finished difference. Result has 90 places, 33 transitions, 345 flow [2021-06-11 16:11:25,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=345, PETRI_PLACES=90, PETRI_TRANSITIONS=33} [2021-06-11 16:11:25,233 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 57 predicate places. [2021-06-11 16:11:25,233 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:25,234 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 33 transitions, 345 flow [2021-06-11 16:11:25,234 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 33 transitions, 345 flow [2021-06-11 16:11:25,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 33 transitions, 345 flow [2021-06-11 16:11:25,240 INFO L129 PetriNetUnfolder]: 24/66 cut-off events. [2021-06-11 16:11:25,241 INFO L130 PetriNetUnfolder]: For 324/336 co-relation queries the response was YES. [2021-06-11 16:11:25,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 349 conditions, 66 events. 24/66 cut-off events. For 324/336 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 182 event pairs, 2 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 306. Up to 24 conditions per place. [2021-06-11 16:11:25,242 INFO L151 LiptonReduction]: Number of co-enabled transitions 90 [2021-06-11 16:11:25,244 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:11:25,244 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:25,244 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 16:11:25,245 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 33 transitions, 345 flow [2021-06-11 16:11:25,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 103.85714285714286) internal successors, (727), 7 states have internal predecessors, (727), 0 states have call successors, (0), 0 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 16:11:25,245 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 16:11:25,245 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 16:11:25,245 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 16:11:25,245 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 16:11:25,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 16:11:25,246 INFO L82 PathProgramCache]: Analyzing trace with hash 168386984, now seen corresponding path program 1 times [2021-06-11 16:11:25,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 16:11:25,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001687262] [2021-06-11 16:11:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 16:11:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 16:11:25,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:25,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:25,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 16:11:25,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 16:11:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 16:11:25,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001687262] [2021-06-11 16:11:25,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 16:11:25,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 16:11:25,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974454517] [2021-06-11 16:11:25,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 16:11:25,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 16:11:25,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 16:11:25,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 16:11:25,274 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 135 [2021-06-11 16:11:25,275 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 33 transitions, 345 flow. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 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 16:11:25,275 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 16:11:25,275 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 135 [2021-06-11 16:11:25,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 16:11:25,303 INFO L129 PetriNetUnfolder]: 24/65 cut-off events. [2021-06-11 16:11:25,303 INFO L130 PetriNetUnfolder]: For 359/372 co-relation queries the response was YES. [2021-06-11 16:11:25,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 65 events. 24/65 cut-off events. For 359/372 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 157 event pairs, 2 based on Foata normal form. 1/62 useless extension candidates. Maximal degree in co-relation 307. Up to 24 conditions per place. [2021-06-11 16:11:25,304 INFO L132 encePairwiseOnDemand]: 131/135 looper letters, 0 selfloop transitions, 0 changer transitions 32/32 dead transitions. [2021-06-11 16:11:25,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 32 transitions, 321 flow [2021-06-11 16:11:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 16:11:25,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 16:11:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 442 transitions. [2021-06-11 16:11:25,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8185185185185185 [2021-06-11 16:11:25,306 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 442 transitions. [2021-06-11 16:11:25,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 442 transitions. [2021-06-11 16:11:25,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 16:11:25,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 442 transitions. [2021-06-11 16:11:25,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 0 states have call successors, (0), 0 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 16:11:25,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:25,309 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 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 16:11:25,309 INFO L185 Difference]: Start difference. First operand has 77 places, 33 transitions, 345 flow. Second operand 4 states and 442 transitions. [2021-06-11 16:11:25,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 32 transitions, 321 flow [2021-06-11 16:11:25,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 32 transitions, 165 flow, removed 24 selfloop flow, removed 29 redundant places. [2021-06-11 16:11:25,311 INFO L241 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2021-06-11 16:11:25,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2021-06-11 16:11:25,311 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 17 predicate places. [2021-06-11 16:11:25,311 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 16:11:25,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 0 transitions, 0 flow [2021-06-11 16:11:25,312 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 0 transitions, 0 flow [2021-06-11 16:11:25,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-06-11 16:11:25,312 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-06-11 16:11:25,312 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 16:11:25,312 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 16:11:25,312 INFO L151 LiptonReduction]: Number of co-enabled transitions 0 [2021-06-11 16:11:25,312 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 16:11:25,312 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 16:11:25,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-06-11 16:11:25,313 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-06-11 16:11:25,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 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 16:11:25,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 16:11:25,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 04:11:25 BasicIcfg [2021-06-11 16:11:25,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 16:11:25,317 INFO L168 Benchmark]: Toolchain (without parser) took 6948.06 ms. Allocated memory was 348.1 MB in the beginning and 503.3 MB in the end (delta: 155.2 MB). Free memory was 310.9 MB in the beginning and 477.9 MB in the end (delta: -167.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:11:25,317 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 348.1 MB. Free memory was 329.0 MB in the beginning and 329.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:11:25,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.87 ms. Allocated memory is still 348.1 MB. Free memory was 310.7 MB in the beginning and 309.8 MB in the end (delta: 907.0 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-11 16:11:25,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.02 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:11:25,318 INFO L168 Benchmark]: Boogie Preprocessor took 28.39 ms. Allocated memory is still 348.1 MB. Free memory was 308.7 MB in the beginning and 306.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 16:11:25,318 INFO L168 Benchmark]: RCFGBuilder took 434.40 ms. Allocated memory is still 348.1 MB. Free memory was 306.6 MB in the beginning and 281.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-11 16:11:25,318 INFO L168 Benchmark]: TraceAbstraction took 5964.85 ms. Allocated memory was 348.1 MB in the beginning and 503.3 MB in the end (delta: 155.2 MB). Free memory was 280.4 MB in the beginning and 477.9 MB in the end (delta: -197.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 16:11:25,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 348.1 MB. Free memory was 329.0 MB in the beginning and 329.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 456.87 ms. Allocated memory is still 348.1 MB. Free memory was 310.7 MB in the beginning and 309.8 MB in the end (delta: 907.0 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 45.02 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.39 ms. Allocated memory is still 348.1 MB. Free memory was 308.7 MB in the beginning and 306.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 434.40 ms. Allocated memory is still 348.1 MB. Free memory was 306.6 MB in the beginning and 281.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5964.85 ms. Allocated memory was 348.1 MB in the beginning and 503.3 MB in the end (delta: 155.2 MB). Free memory was 280.4 MB in the beginning and 477.9 MB in the end (delta: -197.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2699.1ms, 79 PlacesBefore, 33 PlacesAfterwards, 67 TransitionsBefore, 21 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 50 TotalNumberOfCompositions, 2055 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1314, positive: 1235, positive conditional: 1235, positive unconditional: 0, negative: 79, negative conditional: 79, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1314, positive: 1235, positive conditional: 0, positive unconditional: 1235, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1314, positive: 1235, positive conditional: 0, positive unconditional: 1235, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 892, positive: 859, positive conditional: 0, positive unconditional: 859, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 892, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 59, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 219, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1314, positive: 376, positive conditional: 0, positive unconditional: 376, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 892, unknown conditional: 0, unknown unconditional: 892] , Statistics on independence cache: Total cache size (in pairs): 892, Positive cache size: 859, Positive conditional cache size: 0, Positive unconditional cache size: 859, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.9ms, 30 PlacesBefore, 29 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 172 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 91, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 91, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 91, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 91, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 893, Positive cache size: 860, Positive conditional cache size: 0, Positive unconditional cache size: 860, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.1ms, 33 PlacesBefore, 33 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 216 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 16 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): 893, Positive cache size: 860, Positive conditional cache size: 0, Positive unconditional cache size: 860, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.5ms, 37 PlacesBefore, 37 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 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): 895, Positive cache size: 862, Positive conditional cache size: 0, Positive unconditional cache size: 862, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24.9ms, 43 PlacesBefore, 43 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 316 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 31 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: 0, positive unconditional: 5, 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: 0, positive unconditional: 5, 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: 6, positive: 3, positive conditional: 0, positive unconditional: 3, 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): 897, Positive cache size: 864, Positive conditional cache size: 0, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.6ms, 45 PlacesBefore, 45 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 366 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 4, 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: 5, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 5, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.2ms, 50 PlacesBefore, 50 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 38 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.3ms, 53 PlacesBefore, 53 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 38 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: 1, 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: 4, positive: 3, positive conditional: 1, 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: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 2 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.1ms, 55 PlacesBefore, 55 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 29 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.3ms, 56 PlacesBefore, 56 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 27 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 104.3ms, 60 PlacesBefore, 60 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 432 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 105.3ms, 67 PlacesBefore, 67 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 628 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 126.6ms, 75 PlacesBefore, 75 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 672 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.7ms, 80 PlacesBefore, 80 PlacesAfterwards, 65 TransitionsBefore, 65 TransitionsAfterwards, 712 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.2ms, 90 PlacesBefore, 77 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 90 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8ms, 50 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): 898, Positive cache size: 865, Positive conditional cache size: 0, Positive unconditional cache size: 865, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, 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 5 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5874.8ms, OverallIterations: 15, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1444.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2774.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 83 SDtfs, 50 SDslu, 41 SDs, 0 SdLazy, 245 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 207.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 209.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=661occurred in iteration=13, InterpolantAutomatonStates: 73, 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: 25.9ms SsaConstructionTime, 198.4ms SatisfiabilityAnalysisTime, 556.0ms InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 921 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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...