/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:29:39,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:29:39,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:29:39,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:29:39,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:29:39,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:29:39,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:29:39,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:29:39,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:29:39,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:29:39,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:29:39,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:29:39,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:29:39,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:29:39,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:29:39,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:29:39,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:29:39,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:29:39,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:29:39,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:29:39,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:29:39,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:29:39,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:29:39,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:29:39,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:29:39,955 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:29:39,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:29:39,960 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:29:39,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:29:39,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:29:39,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:29:39,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:29:39,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:29:39,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:29:39,964 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:29:39,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:29:39,965 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:29:39,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:29:39,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:29:39,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:29:39,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:29:39,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:29:39,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:29:39,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:29:39,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:29:39,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:29:39,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:29:39,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:29:39,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:29:39,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:29:39,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:29:39,968 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:29:40,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:29:40,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:29:40,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:29:40,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:29:40,497 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:29:40,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2021-04-29 00:29:40,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb560710e/3475e637ed1b4df88f93049986ebc6b7/FLAGb61bd490a [2021-04-29 00:29:41,594 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:29:41,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i [2021-04-29 00:29:41,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb560710e/3475e637ed1b4df88f93049986ebc6b7/FLAGb61bd490a [2021-04-29 00:29:41,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb560710e/3475e637ed1b4df88f93049986ebc6b7 [2021-04-29 00:29:41,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:29:41,875 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:29:41,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:29:41,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:29:41,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:29:41,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:29:41" (1/1) ... [2021-04-29 00:29:41,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef8b43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:41, skipping insertion in model container [2021-04-29 00:29:41,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:29:41" (1/1) ... [2021-04-29 00:29:41,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:29:42,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:29:42,234 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i[949,962] [2021-04-29 00:29:42,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:29:42,642 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:29:42,664 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_pso.opt.i[949,962] [2021-04-29 00:29:42,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:29:42,958 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:29:42,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42 WrapperNode [2021-04-29 00:29:42,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:29:42,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:29:42,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:29:42,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:29:42,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:42,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:29:43,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:29:43,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:29:43,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:29:43,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... [2021-04-29 00:29:43,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:29:43,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:29:43,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:29:43,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:29:43,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:29:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:29:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:29:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:29:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:29:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:29:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:29:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:29:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:29:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:29:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:29:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-29 00:29:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-29 00:29:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:29:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:29:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:29:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:29:43,193 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:29:43,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:29:43,757 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-29 00:29:43,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:29:43 BoogieIcfgContainer [2021-04-29 00:29:43,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:29:43,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:29:43,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:29:43,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:29:43,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:29:41" (1/3) ... [2021-04-29 00:29:43,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6549974b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:29:43, skipping insertion in model container [2021-04-29 00:29:43,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:29:42" (2/3) ... [2021-04-29 00:29:43,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6549974b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:29:43, skipping insertion in model container [2021-04-29 00:29:43,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:29:43" (3/3) ... [2021-04-29 00:29:43,784 INFO L111 eAbstractionObserver]: Analyzing ICFG safe027_pso.opt.i [2021-04-29 00:29:43,795 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:29:43,804 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 00:29:43,806 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:29:43,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,865 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,865 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,869 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,870 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,873 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,878 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,879 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,879 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,888 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,888 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,891 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,891 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,892 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,892 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,896 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:29:43,898 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:29:43,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-29 00:29:43,968 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:29:43,968 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:29:43,968 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:29:43,969 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:29:43,969 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:29:43,969 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:29:43,969 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:29:43,969 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:29:44,005 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 87 transitions, 194 flow [2021-04-29 00:29:44,151 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-04-29 00:29:44,152 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:29:44,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 83 events. 2/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 64 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-04-29 00:29:44,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 87 transitions, 194 flow [2021-04-29 00:29:44,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 69 transitions, 150 flow [2021-04-29 00:29:44,181 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:44,205 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 69 transitions, 150 flow [2021-04-29 00:29:44,210 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 69 transitions, 150 flow [2021-04-29 00:29:44,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 69 transitions, 150 flow [2021-04-29 00:29:44,236 INFO L129 PetriNetUnfolder]: 1/69 cut-off events. [2021-04-29 00:29:44,237 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:29:44,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 69 events. 1/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-04-29 00:29:44,242 INFO L146 LiptonReduction]: Number of co-enabled transitions 1250 [2021-04-29 00:29:49,013 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:29:49,451 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:29:49,608 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:29:49,905 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 00:29:50,644 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:29:50,811 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:29:50,979 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:29:51,153 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:29:51,473 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:29:51,804 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-29 00:29:51,925 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:29:52,138 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-29 00:29:53,167 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-29 00:29:53,280 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:29:53,487 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-29 00:29:54,947 INFO L158 LiptonReduction]: Checked pairs total: 8994 [2021-04-29 00:29:54,947 INFO L160 LiptonReduction]: Total number of compositions: 102 [2021-04-29 00:29:54,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10773 [2021-04-29 00:29:55,006 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-04-29 00:29:55,006 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:29:55,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:55,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:55,009 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:55,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:55,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2132360900, now seen corresponding path program 1 times [2021-04-29 00:29:55,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:55,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878829636] [2021-04-29 00:29:55,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:55,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:55,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:29:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:55,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878829636] [2021-04-29 00:29:55,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:55,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:29:55,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517206257] [2021-04-29 00:29:55,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:29:55,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:55,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:29:55,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:29:55,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 189 [2021-04-29 00:29:55,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 79 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:55,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:55,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 189 [2021-04-29 00:29:55,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:29:55,706 INFO L129 PetriNetUnfolder]: 84/314 cut-off events. [2021-04-29 00:29:55,706 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:29:55,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 314 events. 84/314 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 2118 event pairs, 58 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 445. Up to 149 conditions per place. [2021-04-29 00:29:55,712 INFO L132 encePairwiseOnDemand]: 170/189 looper letters, 5 selfloop transitions, 3 changer transitions 41/86 dead transitions. [2021-04-29 00:29:55,713 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 86 transitions, 250 flow [2021-04-29 00:29:55,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:29:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:29:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2021-04-29 00:29:55,735 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7918871252204586 [2021-04-29 00:29:55,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 449 transitions. [2021-04-29 00:29:55,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 449 transitions. [2021-04-29 00:29:55,741 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:29:55,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 449 transitions. [2021-04-29 00:29:55,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:55,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:55,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:55,770 INFO L185 Difference]: Start difference. First operand has 92 places, 79 transitions, 170 flow. Second operand 3 states and 449 transitions. [2021-04-29 00:29:55,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 86 transitions, 250 flow [2021-04-29 00:29:55,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 86 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-29 00:29:55,783 INFO L241 Difference]: Finished difference. Result has 91 places, 45 transitions, 113 flow [2021-04-29 00:29:55,787 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=91, PETRI_TRANSITIONS=45} [2021-04-29 00:29:55,788 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -1 predicate places. [2021-04-29 00:29:55,788 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:55,789 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 45 transitions, 113 flow [2021-04-29 00:29:55,789 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 45 transitions, 113 flow [2021-04-29 00:29:55,790 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 45 transitions, 113 flow [2021-04-29 00:29:55,804 INFO L129 PetriNetUnfolder]: 3/57 cut-off events. [2021-04-29 00:29:55,805 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:29:55,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 57 events. 3/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 212 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 72. Up to 10 conditions per place. [2021-04-29 00:29:55,810 INFO L146 LiptonReduction]: Number of co-enabled transitions 1140 [2021-04-29 00:29:55,841 INFO L158 LiptonReduction]: Checked pairs total: 816 [2021-04-29 00:29:55,842 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:29:55,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 54 [2021-04-29 00:29:55,845 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 113 flow [2021-04-29 00:29:55,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:55,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:55,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:55,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:29:55,847 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:55,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:55,848 INFO L82 PathProgramCache]: Analyzing trace with hash 98632856, now seen corresponding path program 1 times [2021-04-29 00:29:55,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:55,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860821145] [2021-04-29 00:29:55,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:56,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:56,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:29:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:56,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860821145] [2021-04-29 00:29:56,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:56,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:29:56,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858662000] [2021-04-29 00:29:56,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:29:56,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:56,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:29:56,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:29:56,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-04-29 00:29:56,040 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,040 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:56,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-04-29 00:29:56,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:29:56,123 INFO L129 PetriNetUnfolder]: 50/200 cut-off events. [2021-04-29 00:29:56,123 INFO L130 PetriNetUnfolder]: For 35/95 co-relation queries the response was YES. [2021-04-29 00:29:56,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 200 events. 50/200 cut-off events. For 35/95 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1127 event pairs, 4 based on Foata normal form. 6/128 useless extension candidates. Maximal degree in co-relation 334. Up to 53 conditions per place. [2021-04-29 00:29:56,128 INFO L132 encePairwiseOnDemand]: 182/189 looper letters, 10 selfloop transitions, 13 changer transitions 0/59 dead transitions. [2021-04-29 00:29:56,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 59 transitions, 203 flow [2021-04-29 00:29:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:29:56,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:29:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 663 transitions. [2021-04-29 00:29:56,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7015873015873015 [2021-04-29 00:29:56,136 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 663 transitions. [2021-04-29 00:29:56,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 663 transitions. [2021-04-29 00:29:56,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:29:56,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 663 transitions. [2021-04-29 00:29:56,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 132.6) internal successors, (663), 5 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,147 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,147 INFO L185 Difference]: Start difference. First operand has 55 places, 45 transitions, 113 flow. Second operand 5 states and 663 transitions. [2021-04-29 00:29:56,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 59 transitions, 203 flow [2021-04-29 00:29:56,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 59 transitions, 198 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:29:56,152 INFO L241 Difference]: Finished difference. Result has 61 places, 55 transitions, 205 flow [2021-04-29 00:29:56,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=205, PETRI_PLACES=61, PETRI_TRANSITIONS=55} [2021-04-29 00:29:56,155 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -31 predicate places. [2021-04-29 00:29:56,155 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:56,156 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 55 transitions, 205 flow [2021-04-29 00:29:56,157 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 55 transitions, 205 flow [2021-04-29 00:29:56,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 55 transitions, 205 flow [2021-04-29 00:29:56,204 INFO L129 PetriNetUnfolder]: 41/176 cut-off events. [2021-04-29 00:29:56,204 INFO L130 PetriNetUnfolder]: For 84/111 co-relation queries the response was YES. [2021-04-29 00:29:56,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 176 events. 41/176 cut-off events. For 84/111 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1012 event pairs, 11 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 367. Up to 56 conditions per place. [2021-04-29 00:29:56,226 INFO L146 LiptonReduction]: Number of co-enabled transitions 1510 [2021-04-29 00:29:56,245 INFO L158 LiptonReduction]: Checked pairs total: 310 [2021-04-29 00:29:56,247 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:29:56,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-04-29 00:29:56,260 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 205 flow [2021-04-29 00:29:56,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:56,263 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:56,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:29:56,264 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:56,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:56,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1650737977, now seen corresponding path program 1 times [2021-04-29 00:29:56,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:56,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706845481] [2021-04-29 00:29:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:56,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:56,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:29:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:56,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706845481] [2021-04-29 00:29:56,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:56,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:29:56,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685677562] [2021-04-29 00:29:56,452 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:29:56,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:56,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:29:56,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:29:56,455 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 189 [2021-04-29 00:29:56,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 205 flow. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,456 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:56,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 189 [2021-04-29 00:29:56,457 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:29:56,502 INFO L129 PetriNetUnfolder]: 24/144 cut-off events. [2021-04-29 00:29:56,502 INFO L130 PetriNetUnfolder]: For 104/207 co-relation queries the response was YES. [2021-04-29 00:29:56,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 144 events. 24/144 cut-off events. For 104/207 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 762 event pairs, 5 based on Foata normal form. 4/87 useless extension candidates. Maximal degree in co-relation 330. Up to 47 conditions per place. [2021-04-29 00:29:56,506 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 13 selfloop transitions, 5 changer transitions 0/56 dead transitions. [2021-04-29 00:29:56,507 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 56 transitions, 247 flow [2021-04-29 00:29:56,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:29:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:29:56,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2021-04-29 00:29:56,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2021-04-29 00:29:56,510 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2021-04-29 00:29:56,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2021-04-29 00:29:56,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:29:56,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2021-04-29 00:29:56,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,517 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,518 INFO L185 Difference]: Start difference. First operand has 61 places, 55 transitions, 205 flow. Second operand 3 states and 423 transitions. [2021-04-29 00:29:56,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 56 transitions, 247 flow [2021-04-29 00:29:56,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 56 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:29:56,523 INFO L241 Difference]: Finished difference. Result has 63 places, 55 transitions, 215 flow [2021-04-29 00:29:56,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=63, PETRI_TRANSITIONS=55} [2021-04-29 00:29:56,524 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -29 predicate places. [2021-04-29 00:29:56,524 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:56,524 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 55 transitions, 215 flow [2021-04-29 00:29:56,525 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 55 transitions, 215 flow [2021-04-29 00:29:56,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 55 transitions, 215 flow [2021-04-29 00:29:56,547 INFO L129 PetriNetUnfolder]: 30/144 cut-off events. [2021-04-29 00:29:56,548 INFO L130 PetriNetUnfolder]: For 88/105 co-relation queries the response was YES. [2021-04-29 00:29:56,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 144 events. 30/144 cut-off events. For 88/105 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 762 event pairs, 7 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 305. Up to 47 conditions per place. [2021-04-29 00:29:56,554 INFO L146 LiptonReduction]: Number of co-enabled transitions 1508 [2021-04-29 00:29:56,573 INFO L158 LiptonReduction]: Checked pairs total: 310 [2021-04-29 00:29:56,573 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:29:56,574 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-29 00:29:56,576 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 215 flow [2021-04-29 00:29:56,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,578 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:56,578 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:56,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:29:56,579 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:56,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:56,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1237351640, now seen corresponding path program 1 times [2021-04-29 00:29:56,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:56,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968938839] [2021-04-29 00:29:56,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:56,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:56,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:56,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:29:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:56,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968938839] [2021-04-29 00:29:56,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:56,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:29:56,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969789826] [2021-04-29 00:29:56,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:29:56,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:56,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:29:56,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:29:56,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-04-29 00:29:56,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 215 flow. Second operand has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:56,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-04-29 00:29:56,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:29:56,749 INFO L129 PetriNetUnfolder]: 28/143 cut-off events. [2021-04-29 00:29:56,750 INFO L130 PetriNetUnfolder]: For 205/308 co-relation queries the response was YES. [2021-04-29 00:29:56,751 INFO L84 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 143 events. 28/143 cut-off events. For 205/308 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 764 event pairs, 3 based on Foata normal form. 7/97 useless extension candidates. Maximal degree in co-relation 353. Up to 43 conditions per place. [2021-04-29 00:29:56,753 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 8 selfloop transitions, 5 changer transitions 15/61 dead transitions. [2021-04-29 00:29:56,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 61 transitions, 305 flow [2021-04-29 00:29:56,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:29:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:29:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2021-04-29 00:29:56,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6984126984126984 [2021-04-29 00:29:56,758 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 528 transitions. [2021-04-29 00:29:56,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 528 transitions. [2021-04-29 00:29:56,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:29:56,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 528 transitions. [2021-04-29 00:29:56,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,766 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,767 INFO L185 Difference]: Start difference. First operand has 63 places, 55 transitions, 215 flow. Second operand 4 states and 528 transitions. [2021-04-29 00:29:56,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 61 transitions, 305 flow [2021-04-29 00:29:56,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 61 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:29:56,773 INFO L241 Difference]: Finished difference. Result has 66 places, 44 transitions, 170 flow [2021-04-29 00:29:56,773 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=66, PETRI_TRANSITIONS=44} [2021-04-29 00:29:56,773 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -26 predicate places. [2021-04-29 00:29:56,773 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:56,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 44 transitions, 170 flow [2021-04-29 00:29:56,774 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 44 transitions, 170 flow [2021-04-29 00:29:56,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 44 transitions, 170 flow [2021-04-29 00:29:56,790 INFO L129 PetriNetUnfolder]: 11/81 cut-off events. [2021-04-29 00:29:56,790 INFO L130 PetriNetUnfolder]: For 67/72 co-relation queries the response was YES. [2021-04-29 00:29:56,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 191 conditions, 81 events. 11/81 cut-off events. For 67/72 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 299 event pairs, 6 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 175. Up to 23 conditions per place. [2021-04-29 00:29:56,794 INFO L146 LiptonReduction]: Number of co-enabled transitions 972 [2021-04-29 00:29:56,806 INFO L158 LiptonReduction]: Checked pairs total: 235 [2021-04-29 00:29:56,806 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:29:56,806 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-29 00:29:56,809 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 44 transitions, 170 flow [2021-04-29 00:29:56,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 128.8) internal successors, (644), 5 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:56,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:56,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:29:56,811 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:56,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:56,812 INFO L82 PathProgramCache]: Analyzing trace with hash 498438446, now seen corresponding path program 1 times [2021-04-29 00:29:56,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:56,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489462405] [2021-04-29 00:29:56,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:56,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:56,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:56,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:29:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:56,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489462405] [2021-04-29 00:29:56,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:56,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:29:56,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653453350] [2021-04-29 00:29:56,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:29:56,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:56,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:29:56,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:29:56,894 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 189 [2021-04-29 00:29:56,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 44 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:56,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 189 [2021-04-29 00:29:56,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:29:56,925 INFO L129 PetriNetUnfolder]: 9/69 cut-off events. [2021-04-29 00:29:56,926 INFO L130 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2021-04-29 00:29:56,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 69 events. 9/69 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 234 event pairs, 6 based on Foata normal form. 2/44 useless extension candidates. Maximal degree in co-relation 171. Up to 20 conditions per place. [2021-04-29 00:29:56,928 INFO L132 encePairwiseOnDemand]: 186/189 looper letters, 6 selfloop transitions, 4 changer transitions 1/45 dead transitions. [2021-04-29 00:29:56,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 45 transitions, 196 flow [2021-04-29 00:29:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:29:56,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:29:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 423 transitions. [2021-04-29 00:29:56,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2021-04-29 00:29:56,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 423 transitions. [2021-04-29 00:29:56,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 423 transitions. [2021-04-29 00:29:56,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:29:56,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 423 transitions. [2021-04-29 00:29:56,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,937 INFO L185 Difference]: Start difference. First operand has 63 places, 44 transitions, 170 flow. Second operand 3 states and 423 transitions. [2021-04-29 00:29:56,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 45 transitions, 196 flow [2021-04-29 00:29:56,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 45 transitions, 171 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-04-29 00:29:56,941 INFO L241 Difference]: Finished difference. Result has 60 places, 43 transitions, 157 flow [2021-04-29 00:29:56,941 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=60, PETRI_TRANSITIONS=43} [2021-04-29 00:29:56,942 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -32 predicate places. [2021-04-29 00:29:56,942 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:56,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 43 transitions, 157 flow [2021-04-29 00:29:56,942 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 43 transitions, 157 flow [2021-04-29 00:29:56,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 43 transitions, 157 flow [2021-04-29 00:29:56,953 INFO L129 PetriNetUnfolder]: 8/66 cut-off events. [2021-04-29 00:29:56,954 INFO L130 PetriNetUnfolder]: For 38/43 co-relation queries the response was YES. [2021-04-29 00:29:56,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 66 events. 8/66 cut-off events. For 38/43 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 224 event pairs, 5 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 136. Up to 18 conditions per place. [2021-04-29 00:29:56,957 INFO L146 LiptonReduction]: Number of co-enabled transitions 916 [2021-04-29 00:29:56,971 INFO L158 LiptonReduction]: Checked pairs total: 228 [2021-04-29 00:29:56,971 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:29:56,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-04-29 00:29:56,974 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 43 transitions, 157 flow [2021-04-29 00:29:56,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 138.75) internal successors, (555), 4 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:56,975 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:56,975 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:56,975 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:29:56,975 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:56,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:56,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1515277411, now seen corresponding path program 1 times [2021-04-29 00:29:56,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:56,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462262191] [2021-04-29 00:29:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:57,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:57,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:57,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:57,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:57,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:29:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:57,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462262191] [2021-04-29 00:29:57,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:57,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:29:57,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818195549] [2021-04-29 00:29:57,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:29:57,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:57,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:29:57,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:29:57,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 189 [2021-04-29 00:29:57,125 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 43 transitions, 157 flow. Second operand has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:57,125 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:57,125 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 189 [2021-04-29 00:29:57,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:29:57,198 INFO L129 PetriNetUnfolder]: 23/142 cut-off events. [2021-04-29 00:29:57,199 INFO L130 PetriNetUnfolder]: For 193/194 co-relation queries the response was YES. [2021-04-29 00:29:57,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 142 events. 23/142 cut-off events. For 193/194 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 734 event pairs, 8 based on Foata normal form. 8/91 useless extension candidates. Maximal degree in co-relation 319. Up to 34 conditions per place. [2021-04-29 00:29:57,203 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 8 selfloop transitions, 5 changer transitions 8/53 dead transitions. [2021-04-29 00:29:57,203 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 53 transitions, 268 flow [2021-04-29 00:29:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:29:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:29:57,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 524 transitions. [2021-04-29 00:29:57,206 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6931216931216931 [2021-04-29 00:29:57,206 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 524 transitions. [2021-04-29 00:29:57,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 524 transitions. [2021-04-29 00:29:57,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:29:57,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 524 transitions. [2021-04-29 00:29:57,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:57,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:57,215 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:57,215 INFO L185 Difference]: Start difference. First operand has 59 places, 43 transitions, 157 flow. Second operand 4 states and 524 transitions. [2021-04-29 00:29:57,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 53 transitions, 268 flow [2021-04-29 00:29:57,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 53 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:29:57,226 INFO L241 Difference]: Finished difference. Result has 62 places, 42 transitions, 167 flow [2021-04-29 00:29:57,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=167, PETRI_PLACES=62, PETRI_TRANSITIONS=42} [2021-04-29 00:29:57,226 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -30 predicate places. [2021-04-29 00:29:57,227 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:29:57,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 42 transitions, 167 flow [2021-04-29 00:29:57,227 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 42 transitions, 167 flow [2021-04-29 00:29:57,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 42 transitions, 167 flow [2021-04-29 00:29:57,242 INFO L129 PetriNetUnfolder]: 8/72 cut-off events. [2021-04-29 00:29:57,242 INFO L130 PetriNetUnfolder]: For 72/73 co-relation queries the response was YES. [2021-04-29 00:29:57,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 72 events. 8/72 cut-off events. For 72/73 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 273 event pairs, 5 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 158. Up to 19 conditions per place. [2021-04-29 00:29:57,246 INFO L146 LiptonReduction]: Number of co-enabled transitions 828 [2021-04-29 00:29:57,253 INFO L158 LiptonReduction]: Checked pairs total: 23 [2021-04-29 00:29:57,254 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:29:57,254 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 28 [2021-04-29 00:29:57,261 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 42 transitions, 167 flow [2021-04-29 00:29:57,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:57,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:29:57,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:29:57,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:29:57,263 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:29:57,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:29:57,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2049059060, now seen corresponding path program 1 times [2021-04-29 00:29:57,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:29:57,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130261330] [2021-04-29 00:29:57,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:29:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:29:57,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:57,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:29:57,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:29:57,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:29:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:29:57,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130261330] [2021-04-29 00:29:57,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:29:57,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:29:57,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100956312] [2021-04-29 00:29:57,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:29:57,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:29:57,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:29:57,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:29:57,418 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:29:57,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 42 transitions, 167 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:29:57,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:29:57,419 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:29:57,419 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:30:01,638 INFO L129 PetriNetUnfolder]: 13870/19739 cut-off events. [2021-04-29 00:30:01,639 INFO L130 PetriNetUnfolder]: For 23584/28469 co-relation queries the response was YES. [2021-04-29 00:30:01,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42401 conditions, 19739 events. 13870/19739 cut-off events. For 23584/28469 co-relation queries the response was YES. Maximal size of possible extension queue 2541. Compared 144816 event pairs, 7402 based on Foata normal form. 315/6012 useless extension candidates. Maximal degree in co-relation 42384. Up to 12052 conditions per place. [2021-04-29 00:30:02,039 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 33 selfloop transitions, 32 changer transitions 0/85 dead transitions. [2021-04-29 00:30:02,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 85 transitions, 383 flow [2021-04-29 00:30:02,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:30:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:30:02,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 681 transitions. [2021-04-29 00:30:02,043 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7206349206349206 [2021-04-29 00:30:02,043 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 681 transitions. [2021-04-29 00:30:02,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 681 transitions. [2021-04-29 00:30:02,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:30:02,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 681 transitions. [2021-04-29 00:30:02,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 136.2) internal successors, (681), 5 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:02,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:02,051 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:02,051 INFO L185 Difference]: Start difference. First operand has 61 places, 42 transitions, 167 flow. Second operand 5 states and 681 transitions. [2021-04-29 00:30:02,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 85 transitions, 383 flow [2021-04-29 00:30:02,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 85 transitions, 367 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-29 00:30:02,072 INFO L241 Difference]: Finished difference. Result has 64 places, 72 transitions, 389 flow [2021-04-29 00:30:02,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=389, PETRI_PLACES=64, PETRI_TRANSITIONS=72} [2021-04-29 00:30:02,072 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -28 predicate places. [2021-04-29 00:30:02,073 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:30:02,073 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 72 transitions, 389 flow [2021-04-29 00:30:02,073 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 72 transitions, 389 flow [2021-04-29 00:30:02,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 72 transitions, 389 flow [2021-04-29 00:30:04,903 INFO L129 PetriNetUnfolder]: 12762/18269 cut-off events. [2021-04-29 00:30:04,904 INFO L130 PetriNetUnfolder]: For 12628/53448 co-relation queries the response was YES. [2021-04-29 00:30:05,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54249 conditions, 18269 events. 12762/18269 cut-off events. For 12628/53448 co-relation queries the response was YES. Maximal size of possible extension queue 2375. Compared 135315 event pairs, 7003 based on Foata normal form. 5/5614 useless extension candidates. Maximal degree in co-relation 54233. Up to 16222 conditions per place. [2021-04-29 00:30:05,345 INFO L146 LiptonReduction]: Number of co-enabled transitions 1044 [2021-04-29 00:30:05,394 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:30:05,394 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:30:05,394 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3321 [2021-04-29 00:30:05,396 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 72 transitions, 389 flow [2021-04-29 00:30:05,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:05,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:30:05,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:30:05,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:30:05,397 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:30:05,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:30:05,398 INFO L82 PathProgramCache]: Analyzing trace with hash -212838586, now seen corresponding path program 1 times [2021-04-29 00:30:05,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:30:05,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532253300] [2021-04-29 00:30:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:30:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:30:05,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:05,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:05,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:05,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:05,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:05,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:30:05,587 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2021-04-29 00:30:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:30:05,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532253300] [2021-04-29 00:30:05,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:30:05,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:30:05,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051152162] [2021-04-29 00:30:05,589 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:30:05,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:30:05,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:30:05,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:30:05,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:30:05,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 72 transitions, 389 flow. Second operand has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:05,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:30:05,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:30:05,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:30:09,433 INFO L129 PetriNetUnfolder]: 15748/23270 cut-off events. [2021-04-29 00:30:09,433 INFO L130 PetriNetUnfolder]: For 24044/141730 co-relation queries the response was YES. [2021-04-29 00:30:09,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91488 conditions, 23270 events. 15748/23270 cut-off events. For 24044/141730 co-relation queries the response was YES. Maximal size of possible extension queue 3336. Compared 181142 event pairs, 3448 based on Foata normal form. 364/7998 useless extension candidates. Maximal degree in co-relation 91470. Up to 20899 conditions per place. [2021-04-29 00:30:09,686 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 46 selfloop transitions, 74 changer transitions 0/140 dead transitions. [2021-04-29 00:30:09,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 140 transitions, 1018 flow [2021-04-29 00:30:09,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:30:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:30:09,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 957 transitions. [2021-04-29 00:30:09,693 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7233560090702947 [2021-04-29 00:30:09,693 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 957 transitions. [2021-04-29 00:30:09,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 957 transitions. [2021-04-29 00:30:09,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:30:09,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 957 transitions. [2021-04-29 00:30:09,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 136.71428571428572) internal successors, (957), 7 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:09,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:09,706 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:09,706 INFO L185 Difference]: Start difference. First operand has 64 places, 72 transitions, 389 flow. Second operand 7 states and 957 transitions. [2021-04-29 00:30:09,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 140 transitions, 1018 flow [2021-04-29 00:30:10,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 140 transitions, 1018 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:30:10,052 INFO L241 Difference]: Finished difference. Result has 73 places, 126 transitions, 1035 flow [2021-04-29 00:30:10,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1035, PETRI_PLACES=73, PETRI_TRANSITIONS=126} [2021-04-29 00:30:10,053 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -19 predicate places. [2021-04-29 00:30:10,053 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:30:10,054 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 126 transitions, 1035 flow [2021-04-29 00:30:10,054 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 126 transitions, 1035 flow [2021-04-29 00:30:10,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 126 transitions, 1035 flow [2021-04-29 00:30:12,867 INFO L129 PetriNetUnfolder]: 14711/21871 cut-off events. [2021-04-29 00:30:12,867 INFO L130 PetriNetUnfolder]: For 50947/320477 co-relation queries the response was YES. [2021-04-29 00:30:13,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105008 conditions, 21871 events. 14711/21871 cut-off events. For 50947/320477 co-relation queries the response was YES. Maximal size of possible extension queue 3267. Compared 178109 event pairs, 3330 based on Foata normal form. 6/6770 useless extension candidates. Maximal degree in co-relation 104987. Up to 19876 conditions per place. [2021-04-29 00:30:13,310 INFO L146 LiptonReduction]: Number of co-enabled transitions 1676 [2021-04-29 00:30:13,814 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:30:13,814 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:30:13,814 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3761 [2021-04-29 00:30:13,826 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 126 transitions, 1035 flow [2021-04-29 00:30:13,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 123.8) internal successors, (619), 5 states have internal predecessors, (619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:13,827 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:30:13,827 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:30:13,827 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:30:13,828 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:30:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:30:13,828 INFO L82 PathProgramCache]: Analyzing trace with hash -2018633845, now seen corresponding path program 1 times [2021-04-29 00:30:13,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:30:13,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435714116] [2021-04-29 00:30:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:30:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:30:13,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:13,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:13,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:13,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:13,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:13,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:13,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:13,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:30:13,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:30:13,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435714116] [2021-04-29 00:30:13,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:30:13,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:30:13,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322110282] [2021-04-29 00:30:13,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:30:13,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:30:13,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:30:13,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:30:13,921 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:30:13,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 126 transitions, 1035 flow. Second operand has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:13,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:30:13,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:30:13,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:30:17,221 INFO L129 PetriNetUnfolder]: 15190/23711 cut-off events. [2021-04-29 00:30:17,221 INFO L130 PetriNetUnfolder]: For 43250/411328 co-relation queries the response was YES. [2021-04-29 00:30:17,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136100 conditions, 23711 events. 15190/23711 cut-off events. For 43250/411328 co-relation queries the response was YES. Maximal size of possible extension queue 3969. Compared 201222 event pairs, 622 based on Foata normal form. 423/8164 useless extension candidates. Maximal degree in co-relation 136077. Up to 21529 conditions per place. [2021-04-29 00:30:17,495 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 23 selfloop transitions, 116 changer transitions 24/183 dead transitions. [2021-04-29 00:30:17,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 183 transitions, 1861 flow [2021-04-29 00:30:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:30:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:30:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1233 transitions. [2021-04-29 00:30:17,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7248677248677249 [2021-04-29 00:30:17,505 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1233 transitions. [2021-04-29 00:30:17,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1233 transitions. [2021-04-29 00:30:17,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:30:17,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1233 transitions. [2021-04-29 00:30:17,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 137.0) internal successors, (1233), 9 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:17,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:17,518 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 189.0) internal successors, (1890), 10 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:17,519 INFO L185 Difference]: Start difference. First operand has 73 places, 126 transitions, 1035 flow. Second operand 9 states and 1233 transitions. [2021-04-29 00:30:17,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 183 transitions, 1861 flow [2021-04-29 00:30:18,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 183 transitions, 1744 flow, removed 41 selfloop flow, removed 2 redundant places. [2021-04-29 00:30:18,747 INFO L241 Difference]: Finished difference. Result has 82 places, 156 transitions, 1577 flow [2021-04-29 00:30:18,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=919, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1577, PETRI_PLACES=82, PETRI_TRANSITIONS=156} [2021-04-29 00:30:18,748 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -10 predicate places. [2021-04-29 00:30:18,748 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:30:18,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 156 transitions, 1577 flow [2021-04-29 00:30:18,749 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 156 transitions, 1577 flow [2021-04-29 00:30:18,751 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 156 transitions, 1577 flow [2021-04-29 00:30:20,577 INFO L129 PetriNetUnfolder]: 9949/16812 cut-off events. [2021-04-29 00:30:20,578 INFO L130 PetriNetUnfolder]: For 94189/342264 co-relation queries the response was YES. [2021-04-29 00:30:20,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103385 conditions, 16812 events. 9949/16812 cut-off events. For 94189/342264 co-relation queries the response was YES. Maximal size of possible extension queue 2904. Compared 162451 event pairs, 622 based on Foata normal form. 5/5062 useless extension candidates. Maximal degree in co-relation 103361. Up to 14086 conditions per place. [2021-04-29 00:30:21,252 INFO L146 LiptonReduction]: Number of co-enabled transitions 1890 [2021-04-29 00:30:21,358 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:30:21,358 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:30:21,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2610 [2021-04-29 00:30:21,359 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 156 transitions, 1577 flow [2021-04-29 00:30:21,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 123.83333333333333) internal successors, (743), 6 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:21,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:30:21,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:30:21,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:30:21,361 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:30:21,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:30:21,362 INFO L82 PathProgramCache]: Analyzing trace with hash 424285408, now seen corresponding path program 1 times [2021-04-29 00:30:21,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:30:21,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805133020] [2021-04-29 00:30:21,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:30:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:30:21,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:21,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:21,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:21,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:21,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:21,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:21,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:21,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:30:21,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:21,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:30:21,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:30:21,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805133020] [2021-04-29 00:30:21,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:30:21,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:30:21,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569202433] [2021-04-29 00:30:21,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:30:21,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:30:21,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:30:21,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:30:21,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 189 [2021-04-29 00:30:21,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 156 transitions, 1577 flow. Second operand has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:21,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:30:21,461 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 189 [2021-04-29 00:30:21,461 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:30:24,692 INFO L129 PetriNetUnfolder]: 9871/17177 cut-off events. [2021-04-29 00:30:24,693 INFO L130 PetriNetUnfolder]: For 59119/316392 co-relation queries the response was YES. [2021-04-29 00:30:24,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120479 conditions, 17177 events. 9871/17177 cut-off events. For 59119/316392 co-relation queries the response was YES. Maximal size of possible extension queue 3051. Compared 165338 event pairs, 1 based on Foata normal form. 348/5848 useless extension candidates. Maximal degree in co-relation 120453. Up to 14086 conditions per place. [2021-04-29 00:30:24,907 INFO L132 encePairwiseOnDemand]: 169/189 looper letters, 6 selfloop transitions, 133 changer transitions 19/178 dead transitions. [2021-04-29 00:30:24,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 178 transitions, 2095 flow [2021-04-29 00:30:24,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-29 00:30:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-29 00:30:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1485 transitions. [2021-04-29 00:30:24,915 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2021-04-29 00:30:24,915 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1485 transitions. [2021-04-29 00:30:24,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1485 transitions. [2021-04-29 00:30:24,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:30:24,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1485 transitions. [2021-04-29 00:30:24,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 135.0) internal successors, (1485), 11 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:24,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 189.0) internal successors, (2268), 12 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:24,932 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 189.0) internal successors, (2268), 12 states have internal predecessors, (2268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:24,933 INFO L185 Difference]: Start difference. First operand has 82 places, 156 transitions, 1577 flow. Second operand 11 states and 1485 transitions. [2021-04-29 00:30:24,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 178 transitions, 2095 flow [2021-04-29 00:30:36,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 178 transitions, 1782 flow, removed 94 selfloop flow, removed 5 redundant places. [2021-04-29 00:30:36,324 INFO L241 Difference]: Finished difference. Result has 90 places, 156 transitions, 1597 flow [2021-04-29 00:30:36,324 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=1265, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1597, PETRI_PLACES=90, PETRI_TRANSITIONS=156} [2021-04-29 00:30:36,324 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -2 predicate places. [2021-04-29 00:30:36,325 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:30:36,325 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 156 transitions, 1597 flow [2021-04-29 00:30:36,325 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 156 transitions, 1597 flow [2021-04-29 00:30:36,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 156 transitions, 1597 flow [2021-04-29 00:30:37,635 INFO L129 PetriNetUnfolder]: 7627/13680 cut-off events. [2021-04-29 00:30:37,636 INFO L130 PetriNetUnfolder]: For 84961/213838 co-relation queries the response was YES. [2021-04-29 00:30:37,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73373 conditions, 13680 events. 7627/13680 cut-off events. For 84961/213838 co-relation queries the response was YES. Maximal size of possible extension queue 2908. Compared 141640 event pairs, 1 based on Foata normal form. 5/4042 useless extension candidates. Maximal degree in co-relation 73346. Up to 11170 conditions per place. [2021-04-29 00:30:37,979 INFO L146 LiptonReduction]: Number of co-enabled transitions 1880 [2021-04-29 00:30:38,035 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:30:38,036 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:30:38,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1711 [2021-04-29 00:30:38,037 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 156 transitions, 1597 flow [2021-04-29 00:30:38,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:38,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:30:38,039 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:30:38,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:30:38,040 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:30:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:30:38,040 INFO L82 PathProgramCache]: Analyzing trace with hash -67449975, now seen corresponding path program 1 times [2021-04-29 00:30:38,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:30:38,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465323180] [2021-04-29 00:30:38,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:30:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:30:38,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:38,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:30:38,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:38,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:30:38,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:38,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:30:38,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:30:38,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:30:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:30:38,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465323180] [2021-04-29 00:30:38,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:30:38,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:30:38,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717544471] [2021-04-29 00:30:38,139 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:30:38,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:30:38,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:30:38,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:30:38,141 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 189 [2021-04-29 00:30:38,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 156 transitions, 1597 flow. Second operand has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:38,143 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:30:38,143 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 189 [2021-04-29 00:30:38,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:30:41,121 INFO L129 PetriNetUnfolder]: 13875/24652 cut-off events. [2021-04-29 00:30:41,121 INFO L130 PetriNetUnfolder]: For 98458/172923 co-relation queries the response was YES. [2021-04-29 00:30:41,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131878 conditions, 24652 events. 13875/24652 cut-off events. For 98458/172923 co-relation queries the response was YES. Maximal size of possible extension queue 6027. Compared 260129 event pairs, 1 based on Foata normal form. 90/7560 useless extension candidates. Maximal degree in co-relation 131849. Up to 20179 conditions per place. [2021-04-29 00:30:41,351 INFO L132 encePairwiseOnDemand]: 183/189 looper letters, 4 selfloop transitions, 3 changer transitions 94/161 dead transitions. [2021-04-29 00:30:41,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 161 transitions, 1659 flow [2021-04-29 00:30:41,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:30:41,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:30:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 777 transitions. [2021-04-29 00:30:41,358 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6851851851851852 [2021-04-29 00:30:41,358 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 777 transitions. [2021-04-29 00:30:41,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 777 transitions. [2021-04-29 00:30:41,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:30:41,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 777 transitions. [2021-04-29 00:30:41,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.5) internal successors, (777), 6 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:41,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:41,367 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 189.0) internal successors, (1323), 7 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:30:41,367 INFO L185 Difference]: Start difference. First operand has 88 places, 156 transitions, 1597 flow. Second operand 6 states and 777 transitions. [2021-04-29 00:30:41,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 161 transitions, 1659 flow [2021-04-29 00:31:40,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 161 transitions, 1260 flow, removed 77 selfloop flow, removed 10 redundant places. [2021-04-29 00:31:40,081 INFO L241 Difference]: Finished difference. Result has 85 places, 67 transitions, 385 flow [2021-04-29 00:31:40,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=1198, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=85, PETRI_TRANSITIONS=67} [2021-04-29 00:31:40,082 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -7 predicate places. [2021-04-29 00:31:40,082 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:31:40,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 67 transitions, 385 flow [2021-04-29 00:31:40,082 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 67 transitions, 385 flow [2021-04-29 00:31:40,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 67 transitions, 385 flow [2021-04-29 00:31:40,212 INFO L129 PetriNetUnfolder]: 594/1091 cut-off events. [2021-04-29 00:31:40,212 INFO L130 PetriNetUnfolder]: For 6044/6080 co-relation queries the response was YES. [2021-04-29 00:31:40,219 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3937 conditions, 1091 events. 594/1091 cut-off events. For 6044/6080 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 7120 event pairs, 0 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 3911. Up to 487 conditions per place. [2021-04-29 00:31:40,235 INFO L146 LiptonReduction]: Number of co-enabled transitions 468 [2021-04-29 00:31:40,250 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:31:40,251 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:31:40,251 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-04-29 00:31:40,252 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 67 transitions, 385 flow [2021-04-29 00:31:40,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 128.4) internal successors, (642), 5 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:31:40,252 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:31:40,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:31:40,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:31:40,253 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:31:40,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:31:40,253 INFO L82 PathProgramCache]: Analyzing trace with hash 368222622, now seen corresponding path program 1 times [2021-04-29 00:31:40,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:31:40,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728809067] [2021-04-29 00:31:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:31:40,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:31:40,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:31:40,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:31:40,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:31:40,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-29 00:31:40,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:31:40,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:31:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:31:40,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728809067] [2021-04-29 00:31:40,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:31:40,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:31:40,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315666839] [2021-04-29 00:31:40,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:31:40,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:31:40,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:31:40,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:31:40,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-04-29 00:31:40,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 67 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:31:40,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:31:40,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-04-29 00:31:40,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:31:40,510 INFO L129 PetriNetUnfolder]: 594/1010 cut-off events. [2021-04-29 00:31:40,511 INFO L130 PetriNetUnfolder]: For 7026/7062 co-relation queries the response was YES. [2021-04-29 00:31:40,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2893 conditions, 1010 events. 594/1010 cut-off events. For 7026/7062 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 5404 event pairs, 0 based on Foata normal form. 81/430 useless extension candidates. Maximal degree in co-relation 2873. Up to 487 conditions per place. [2021-04-29 00:31:40,517 INFO L132 encePairwiseOnDemand]: 184/189 looper letters, 0 selfloop transitions, 0 changer transitions 66/66 dead transitions. [2021-04-29 00:31:40,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 66 transitions, 371 flow [2021-04-29 00:31:40,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:31:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:31:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 647 transitions. [2021-04-29 00:31:40,523 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846560846560846 [2021-04-29 00:31:40,523 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 647 transitions. [2021-04-29 00:31:40,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 647 transitions. [2021-04-29 00:31:40,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:31:40,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 647 transitions. [2021-04-29 00:31:40,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:31:40,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:31:40,531 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:31:40,531 INFO L185 Difference]: Start difference. First operand has 68 places, 67 transitions, 385 flow. Second operand 5 states and 647 transitions. [2021-04-29 00:31:40,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 66 transitions, 371 flow [2021-04-29 00:31:40,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 66 transitions, 345 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-04-29 00:31:40,549 INFO L241 Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow [2021-04-29 00:31:40,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0} [2021-04-29 00:31:40,550 INFO L343 CegarLoopForPetriNet]: 92 programPoint places, -29 predicate places. [2021-04-29 00:31:40,550 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:31:40,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 0 transitions, 0 flow [2021-04-29 00:31:40,551 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 0 transitions, 0 flow [2021-04-29 00:31:40,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 00:31:40,551 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 00:31:40,551 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:31:40,552 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 00:31:40,552 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 00:31:40,552 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:31:40,552 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:31:40,552 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-04-29 00:31:40,554 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 00:31:40,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 129.75) internal successors, (519), 4 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:31:40,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:31:40,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:31:40 BasicIcfg [2021-04-29 00:31:40,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:31:40,564 INFO L168 Benchmark]: Toolchain (without parser) took 118737.01 ms. Allocated memory was 302.0 MB in the beginning and 11.5 GB in the end (delta: 11.2 GB). Free memory was 275.7 MB in the beginning and 9.0 GB in the end (delta: -8.7 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-04-29 00:31:40,564 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 302.0 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:31:40,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.67 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 272.1 MB in the end (delta: 372.6 kB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. [2021-04-29 00:31:40,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.13 ms. Allocated memory is still 302.0 MB. Free memory was 271.3 MB in the beginning and 269.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:31:40,566 INFO L168 Benchmark]: Boogie Preprocessor took 37.07 ms. Allocated memory is still 302.0 MB. Free memory was 269.2 MB in the beginning and 268.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:31:40,566 INFO L168 Benchmark]: RCFGBuilder took 699.45 ms. Allocated memory is still 302.0 MB. Free memory was 268.2 MB in the beginning and 241.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:31:40,567 INFO L168 Benchmark]: TraceAbstraction took 116793.41 ms. Allocated memory was 302.0 MB in the beginning and 11.5 GB in the end (delta: 11.2 GB). Free memory was 241.9 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. [2021-04-29 00:31:40,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 302.0 MB. Free memory is still 270.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1078.67 ms. Allocated memory is still 302.0 MB. Free memory was 272.5 MB in the beginning and 272.1 MB in the end (delta: 372.6 kB). Peak memory consumption was 24.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.13 ms. Allocated memory is still 302.0 MB. Free memory was 271.3 MB in the beginning and 269.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.07 ms. Allocated memory is still 302.0 MB. Free memory was 269.2 MB in the beginning and 268.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 699.45 ms. Allocated memory is still 302.0 MB. Free memory was 268.2 MB in the beginning and 241.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 116793.41 ms. Allocated memory was 302.0 MB in the beginning and 11.5 GB in the end (delta: 11.2 GB). Free memory was 241.9 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10736.9ms, 81 PlacesBefore, 92 PlacesAfterwards, 69 TransitionsBefore, 79 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 7 FixpointIterations, 54 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 102 TotalNumberOfCompositions, 8994 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2965, positive: 2738, positive conditional: 2738, positive unconditional: 0, negative: 227, negative conditional: 227, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1348, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1348, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1348, positive: 1217, positive conditional: 0, positive unconditional: 1217, negative: 131, negative conditional: 0, negative unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 131, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 752, positive: 375, positive conditional: 0, positive unconditional: 375, negative: 378, negative conditional: 0, negative unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2965, positive: 1458, positive conditional: 1458, positive unconditional: 0, negative: 159, negative conditional: 159, negative unconditional: 0, unknown: 1348, unknown conditional: 1348, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1342, Positive cache size: 1274, Positive conditional cache size: 1274, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 52.6ms, 91 PlacesBefore, 55 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 1140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 816 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 8, positive unconditional: 22, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 5, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188, positive: 133, positive conditional: 133, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1376, Positive cache size: 1304, Positive conditional cache size: 1304, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 90.1ms, 61 PlacesBefore, 61 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1510 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 310 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1377, Positive cache size: 1304, Positive conditional cache size: 1304, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.5ms, 63 PlacesBefore, 63 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 1508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 310 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1387, Positive cache size: 1313, Positive conditional cache size: 1313, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.2ms, 66 PlacesBefore, 63 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 235 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 1, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 37, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1390, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 75, Negative conditional cache size: 75, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.7ms, 60 PlacesBefore, 59 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 16, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.9ms, 62 PlacesBefore, 61 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 23 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3321.0ms, 64 PlacesBefore, 64 PlacesAfterwards, 72 TransitionsBefore, 72 TransitionsAfterwards, 1044 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3760.2ms, 73 PlacesBefore, 73 PlacesAfterwards, 126 TransitionsBefore, 126 TransitionsAfterwards, 1676 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2608.8ms, 82 PlacesBefore, 82 PlacesAfterwards, 156 TransitionsBefore, 156 TransitionsAfterwards, 1890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1710.3ms, 90 PlacesBefore, 88 PlacesAfterwards, 156 TransitionsBefore, 156 TransitionsAfterwards, 1880 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.3ms, 85 PlacesBefore, 68 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.4ms, 63 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1391, Positive cache size: 1315, Positive conditional cache size: 1315, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 42.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 116597.1ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 91636.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10993.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 98 SDtfs, 159 SDslu, 48 SDs, 0 SdLazy, 661 SolverSat, 268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 757.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 452.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1597occurred in iteration=10, InterpolantAutomatonStates: 65, 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: 46.6ms SsaConstructionTime, 360.7ms SatisfiabilityAnalysisTime, 1256.6ms InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 1064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...