/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/safe030_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:38:57,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:38:57,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:38:57,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:38:57,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:38:57,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:38:57,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:38:57,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:38:57,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:38:57,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:38:57,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:38:57,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:38:57,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:38:57,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:38:57,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:38:57,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:38:57,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:38:57,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:38:57,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:38:57,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:38:57,162 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 00:38:57,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:38:57,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:38:57,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:38:57,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:38:57,232 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:38:57,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:38:57,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:38:57,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:38:57,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:38:57,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:38:57,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:38:57,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:38:57,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:38:57,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:38:57,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:38:57,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:38:57,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:38:57,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:38:57,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:38:57,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:38:57,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:38:57,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:38:57,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:38:57,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:38:57,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:38:57,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:38:57,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:38:57,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:38:57,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:38:57,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:38:57,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:38:57,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:38:57,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:38:57,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:38:57,723 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:38:57,725 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:38:57,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.oepc.i [2021-04-29 00:38:57,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb2b765c/9e3ce4a5d2e24a70bf62546927d8a13e/FLAG35b728cef [2021-04-29 00:38:58,780 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:38:58,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.oepc.i [2021-04-29 00:38:58,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb2b765c/9e3ce4a5d2e24a70bf62546927d8a13e/FLAG35b728cef [2021-04-29 00:38:58,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb2b765c/9e3ce4a5d2e24a70bf62546927d8a13e [2021-04-29 00:38:58,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:38:59,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:38:59,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:38:59,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:38:59,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:38:59,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:38:58" (1/1) ... [2021-04-29 00:38:59,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19becf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59, skipping insertion in model container [2021-04-29 00:38:59,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:38:58" (1/1) ... [2021-04-29 00:38:59,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:38:59,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:38:59,406 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/safe030_tso.oepc.i[950,963] [2021-04-29 00:38:59,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:38:59,737 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:38:59,757 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/safe030_tso.oepc.i[950,963] [2021-04-29 00:38:59,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:38:59,927 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:38:59,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59 WrapperNode [2021-04-29 00:38:59,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:38:59,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:38:59,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:38:59,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:38:59,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:38:59,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:39:00,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:39:00,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:39:00,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:39:00,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (1/1) ... [2021-04-29 00:39:00,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:39:00,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:39:00,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:39:00,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:39:00,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (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 00:39:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:39:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:39:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:39:00,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:39:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:39:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:39:00,170 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:39:00,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:39:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:39:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:39:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:39:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:39:00,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:39:00,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:39:00,173 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 00:39:00,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:39:00,698 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-29 00:39:00,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:39:00 BoogieIcfgContainer [2021-04-29 00:39:00,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:39:00,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:39:00,704 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:39:00,708 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:39:00,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:38:58" (1/3) ... [2021-04-29 00:39:00,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71550565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:39:00, skipping insertion in model container [2021-04-29 00:39:00,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:38:59" (2/3) ... [2021-04-29 00:39:00,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71550565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:39:00, skipping insertion in model container [2021-04-29 00:39:00,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:39:00" (3/3) ... [2021-04-29 00:39:00,713 INFO L111 eAbstractionObserver]: Analyzing ICFG safe030_tso.oepc.i [2021-04-29 00:39:00,721 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:39:00,727 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 00:39:00,728 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:39:00,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,793 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,793 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,794 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,795 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,796 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,796 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,797 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,800 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,800 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,801 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,801 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,802 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,804 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,804 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,804 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,807 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,807 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,816 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,829 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,829 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:39:00,833 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:39:00,862 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 00:39:00,915 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:39:00,915 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:39:00,915 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:39:00,915 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:39:00,916 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:39:00,916 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:39:00,916 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:39:00,916 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:39:00,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 73 transitions, 161 flow [2021-04-29 00:39:01,026 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-04-29 00:39:01,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:39:01,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 2/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-04-29 00:39:01,034 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 73 transitions, 161 flow [2021-04-29 00:39:01,048 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 58 transitions, 125 flow [2021-04-29 00:39:01,050 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:01,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 58 transitions, 125 flow [2021-04-29 00:39:01,076 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 58 transitions, 125 flow [2021-04-29 00:39:01,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 58 transitions, 125 flow [2021-04-29 00:39:01,114 INFO L129 PetriNetUnfolder]: 1/58 cut-off events. [2021-04-29 00:39:01,114 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:39:01,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 58 events. 1/58 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-04-29 00:39:01,119 INFO L146 LiptonReduction]: Number of co-enabled transitions 864 [2021-04-29 00:39:05,404 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 00:39:05,582 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 00:39:06,324 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:39:06,502 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:39:06,669 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:39:06,825 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:39:07,661 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:39:07,868 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:39:08,074 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:39:08,292 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:39:08,487 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:39:08,681 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:39:08,897 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:39:09,154 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:39:09,350 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:39:09,715 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:39:09,926 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:39:10,185 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-04-29 00:39:10,509 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2021-04-29 00:39:10,826 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-04-29 00:39:11,123 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2021-04-29 00:39:11,247 INFO L158 LiptonReduction]: Checked pairs total: 6958 [2021-04-29 00:39:11,247 INFO L160 LiptonReduction]: Total number of compositions: 89 [2021-04-29 00:39:11,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10204 [2021-04-29 00:39:11,290 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-29 00:39:11,290 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:39:11,290 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:11,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:11,292 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:11,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:11,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1912635337, now seen corresponding path program 1 times [2021-04-29 00:39:11,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:11,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848670839] [2021-04-29 00:39:11,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:11,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:11,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:11,655 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 00:39:11,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848670839] [2021-04-29 00:39:11,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:11,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:39:11,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076276254] [2021-04-29 00:39:11,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:39:11,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:11,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:39:11,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:39:11,700 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 162 [2021-04-29 00:39:11,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 68 transitions, 145 flow. Second operand has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 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 00:39:11,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:11,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 162 [2021-04-29 00:39:11,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:11,826 INFO L129 PetriNetUnfolder]: 25/116 cut-off events. [2021-04-29 00:39:11,826 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:39:11,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 116 events. 25/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 527 event pairs, 7 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 151. Up to 50 conditions per place. [2021-04-29 00:39:11,829 INFO L132 encePairwiseOnDemand]: 153/162 looper letters, 3 selfloop transitions, 3 changer transitions 36/75 dead transitions. [2021-04-29 00:39:11,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 75 transitions, 201 flow [2021-04-29 00:39:11,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:39:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:39:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 395 transitions. [2021-04-29 00:39:11,848 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8127572016460906 [2021-04-29 00:39:11,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 395 transitions. [2021-04-29 00:39:11,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 395 transitions. [2021-04-29 00:39:11,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:11,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 395 transitions. [2021-04-29 00:39:11,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 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 00:39:11,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:11,871 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:11,873 INFO L185 Difference]: Start difference. First operand has 78 places, 68 transitions, 145 flow. Second operand 3 states and 395 transitions. [2021-04-29 00:39:11,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 75 transitions, 201 flow [2021-04-29 00:39:11,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 75 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:39:11,881 INFO L241 Difference]: Finished difference. Result has 78 places, 39 transitions, 99 flow [2021-04-29 00:39:11,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=78, PETRI_TRANSITIONS=39} [2021-04-29 00:39:11,885 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, 0 predicate places. [2021-04-29 00:39:11,885 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:11,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 39 transitions, 99 flow [2021-04-29 00:39:11,886 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 39 transitions, 99 flow [2021-04-29 00:39:11,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 39 transitions, 99 flow [2021-04-29 00:39:11,894 INFO L129 PetriNetUnfolder]: 3/49 cut-off events. [2021-04-29 00:39:11,894 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:39:11,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 49 events. 3/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 163 event pairs, 1 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 62. Up to 10 conditions per place. [2021-04-29 00:39:11,897 INFO L146 LiptonReduction]: Number of co-enabled transitions 822 [2021-04-29 00:39:11,934 INFO L158 LiptonReduction]: Checked pairs total: 476 [2021-04-29 00:39:11,934 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:11,934 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-04-29 00:39:11,936 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 99 flow [2021-04-29 00:39:11,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 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 00:39:11,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:11,937 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:11,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:39:11,938 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:11,939 INFO L82 PathProgramCache]: Analyzing trace with hash -837847732, now seen corresponding path program 1 times [2021-04-29 00:39:11,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:11,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428590395] [2021-04-29 00:39:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:12,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:12,008 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 00:39:12,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428590395] [2021-04-29 00:39:12,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:12,009 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:39:12,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501941583] [2021-04-29 00:39:12,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:39:12,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:12,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:39:12,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:39:12,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 162 [2021-04-29 00:39:12,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 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 00:39:12,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:12,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 162 [2021-04-29 00:39:12,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:12,036 INFO L129 PetriNetUnfolder]: 11/70 cut-off events. [2021-04-29 00:39:12,037 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-29 00:39:12,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 118 conditions, 70 events. 11/70 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 270 event pairs, 3 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 108. Up to 19 conditions per place. [2021-04-29 00:39:12,038 INFO L132 encePairwiseOnDemand]: 158/162 looper letters, 3 selfloop transitions, 3 changer transitions 0/41 dead transitions. [2021-04-29 00:39:12,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:39:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:39:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2021-04-29 00:39:12,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7613168724279835 [2021-04-29 00:39:12,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2021-04-29 00:39:12,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2021-04-29 00:39:12,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:12,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2021-04-29 00:39:12,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 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 00:39:12,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,047 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,047 INFO L185 Difference]: Start difference. First operand has 47 places, 39 transitions, 99 flow. Second operand 3 states and 370 transitions. [2021-04-29 00:39:12,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:39:12,049 INFO L241 Difference]: Finished difference. Result has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,050 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=115, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2021-04-29 00:39:12,050 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -29 predicate places. [2021-04-29 00:39:12,051 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:12,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,051 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,063 INFO L129 PetriNetUnfolder]: 7/69 cut-off events. [2021-04-29 00:39:12,063 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-29 00:39:12,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 69 events. 7/69 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 299 event pairs, 3 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 100. Up to 15 conditions per place. [2021-04-29 00:39:12,065 INFO L146 LiptonReduction]: Number of co-enabled transitions 888 [2021-04-29 00:39:12,080 INFO L158 LiptonReduction]: Checked pairs total: 266 [2021-04-29 00:39:12,080 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:12,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-04-29 00:39:12,083 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 115 flow [2021-04-29 00:39:12,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 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 00:39:12,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:12,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:12,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:39:12,084 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:12,085 INFO L82 PathProgramCache]: Analyzing trace with hash -203477106, now seen corresponding path program 1 times [2021-04-29 00:39:12,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:12,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289265346] [2021-04-29 00:39:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:12,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:12,173 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 00:39:12,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289265346] [2021-04-29 00:39:12,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:12,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:39:12,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125170494] [2021-04-29 00:39:12,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:39:12,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:12,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:39:12,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:39:12,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 162 [2021-04-29 00:39:12,179 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:12,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 162 [2021-04-29 00:39:12,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:12,202 INFO L129 PetriNetUnfolder]: 23/102 cut-off events. [2021-04-29 00:39:12,202 INFO L130 PetriNetUnfolder]: For 50/53 co-relation queries the response was YES. [2021-04-29 00:39:12,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 102 events. 23/102 cut-off events. For 50/53 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 470 event pairs, 8 based on Foata normal form. 3/68 useless extension candidates. Maximal degree in co-relation 186. Up to 29 conditions per place. [2021-04-29 00:39:12,204 INFO L132 encePairwiseOnDemand]: 158/162 looper letters, 3 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2021-04-29 00:39:12,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:39:12,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:39:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-04-29 00:39:12,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7551440329218106 [2021-04-29 00:39:12,208 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-04-29 00:39:12,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-04-29 00:39:12,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:12,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-04-29 00:39:12,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 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 00:39:12,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,212 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 115 flow. Second operand 3 states and 367 transitions. [2021-04-29 00:39:12,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 128 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:39:12,215 INFO L241 Difference]: Finished difference. Result has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2021-04-29 00:39:12,215 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -27 predicate places. [2021-04-29 00:39:12,215 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:12,216 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,216 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,217 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,231 INFO L129 PetriNetUnfolder]: 20/105 cut-off events. [2021-04-29 00:39:12,231 INFO L130 PetriNetUnfolder]: For 40/41 co-relation queries the response was YES. [2021-04-29 00:39:12,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 105 events. 20/105 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 525 event pairs, 7 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 186. Up to 29 conditions per place. [2021-04-29 00:39:12,235 INFO L146 LiptonReduction]: Number of co-enabled transitions 962 [2021-04-29 00:39:12,241 INFO L158 LiptonReduction]: Checked pairs total: 24 [2021-04-29 00:39:12,241 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:12,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-04-29 00:39:12,243 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 131 flow [2021-04-29 00:39:12,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:12,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:12,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:39:12,245 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:12,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:12,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1107777126, now seen corresponding path program 1 times [2021-04-29 00:39:12,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:12,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631789049] [2021-04-29 00:39:12,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:12,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:39:12,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:12,301 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-29 00:39:12,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:39:12,309 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 00:39:12,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631789049] [2021-04-29 00:39:12,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:12,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:39:12,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786016140] [2021-04-29 00:39:12,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:39:12,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:12,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:39:12,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:39:12,313 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 162 [2021-04-29 00:39:12,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,314 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:12,314 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 162 [2021-04-29 00:39:12,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:12,373 INFO L129 PetriNetUnfolder]: 52/234 cut-off events. [2021-04-29 00:39:12,373 INFO L130 PetriNetUnfolder]: For 155/228 co-relation queries the response was YES. [2021-04-29 00:39:12,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 234 events. 52/234 cut-off events. For 155/228 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1457 event pairs, 2 based on Foata normal form. 18/173 useless extension candidates. Maximal degree in co-relation 493. Up to 48 conditions per place. [2021-04-29 00:39:12,377 INFO L132 encePairwiseOnDemand]: 154/162 looper letters, 13 selfloop transitions, 15 changer transitions 1/58 dead transitions. [2021-04-29 00:39:12,377 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 58 transitions, 251 flow [2021-04-29 00:39:12,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:39:12,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:39:12,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 456 transitions. [2021-04-29 00:39:12,380 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7037037037037037 [2021-04-29 00:39:12,380 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 456 transitions. [2021-04-29 00:39:12,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 456 transitions. [2021-04-29 00:39:12,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:12,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 456 transitions. [2021-04-29 00:39:12,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 114.0) internal successors, (456), 4 states have internal predecessors, (456), 0 states have call successors, (0), 0 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 00:39:12,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 162.0) internal successors, (810), 5 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,386 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 162.0) internal successors, (810), 5 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,386 INFO L185 Difference]: Start difference. First operand has 51 places, 43 transitions, 131 flow. Second operand 4 states and 456 transitions. [2021-04-29 00:39:12,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 58 transitions, 251 flow [2021-04-29 00:39:12,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 58 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:39:12,390 INFO L241 Difference]: Finished difference. Result has 56 places, 53 transitions, 248 flow [2021-04-29 00:39:12,391 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=248, PETRI_PLACES=56, PETRI_TRANSITIONS=53} [2021-04-29 00:39:12,391 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -22 predicate places. [2021-04-29 00:39:12,391 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:12,391 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 53 transitions, 248 flow [2021-04-29 00:39:12,392 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 53 transitions, 248 flow [2021-04-29 00:39:12,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 53 transitions, 248 flow [2021-04-29 00:39:12,421 INFO L129 PetriNetUnfolder]: 44/229 cut-off events. [2021-04-29 00:39:12,421 INFO L130 PetriNetUnfolder]: For 183/192 co-relation queries the response was YES. [2021-04-29 00:39:12,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 229 events. 44/229 cut-off events. For 183/192 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1472 event pairs, 2 based on Foata normal form. 1/149 useless extension candidates. Maximal degree in co-relation 535. Up to 57 conditions per place. [2021-04-29 00:39:12,429 INFO L146 LiptonReduction]: Number of co-enabled transitions 1282 [2021-04-29 00:39:12,443 INFO L158 LiptonReduction]: Checked pairs total: 34 [2021-04-29 00:39:12,444 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:12,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 53 [2021-04-29 00:39:12,446 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 53 transitions, 248 flow [2021-04-29 00:39:12,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:12,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:12,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:39:12,447 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:12,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:12,448 INFO L82 PathProgramCache]: Analyzing trace with hash -2012793273, now seen corresponding path program 1 times [2021-04-29 00:39:12,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:12,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381017574] [2021-04-29 00:39:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:12,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:39:12,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:12,493 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-29 00:39:12,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:39:12,502 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 00:39:12,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381017574] [2021-04-29 00:39:12,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:12,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:39:12,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288334625] [2021-04-29 00:39:12,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:39:12,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:12,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:39:12,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:39:12,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 162 [2021-04-29 00:39:12,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 53 transitions, 248 flow. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:12,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 162 [2021-04-29 00:39:12,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:12,576 INFO L129 PetriNetUnfolder]: 48/273 cut-off events. [2021-04-29 00:39:12,576 INFO L130 PetriNetUnfolder]: For 291/386 co-relation queries the response was YES. [2021-04-29 00:39:12,578 INFO L84 FinitePrefix]: Finished finitePrefix Result has 758 conditions, 273 events. 48/273 cut-off events. For 291/386 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1901 event pairs, 2 based on Foata normal form. 9/183 useless extension candidates. Maximal degree in co-relation 740. Up to 69 conditions per place. [2021-04-29 00:39:12,580 INFO L132 encePairwiseOnDemand]: 154/162 looper letters, 14 selfloop transitions, 17 changer transitions 3/63 dead transitions. [2021-04-29 00:39:12,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 388 flow [2021-04-29 00:39:12,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:39:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:39:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 455 transitions. [2021-04-29 00:39:12,583 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7021604938271605 [2021-04-29 00:39:12,584 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 455 transitions. [2021-04-29 00:39:12,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 455 transitions. [2021-04-29 00:39:12,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:12,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 455 transitions. [2021-04-29 00:39:12,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 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 00:39:12,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 162.0) internal successors, (810), 5 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,589 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 162.0) internal successors, (810), 5 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,590 INFO L185 Difference]: Start difference. First operand has 56 places, 53 transitions, 248 flow. Second operand 4 states and 455 transitions. [2021-04-29 00:39:12,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 388 flow [2021-04-29 00:39:12,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 63 transitions, 384 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-04-29 00:39:12,596 INFO L241 Difference]: Finished difference. Result has 62 places, 58 transitions, 364 flow [2021-04-29 00:39:12,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=364, PETRI_PLACES=62, PETRI_TRANSITIONS=58} [2021-04-29 00:39:12,597 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -16 predicate places. [2021-04-29 00:39:12,597 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:12,598 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions, 364 flow [2021-04-29 00:39:12,598 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 58 transitions, 364 flow [2021-04-29 00:39:12,599 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions, 364 flow [2021-04-29 00:39:12,638 INFO L129 PetriNetUnfolder]: 41/266 cut-off events. [2021-04-29 00:39:12,638 INFO L130 PetriNetUnfolder]: For 494/554 co-relation queries the response was YES. [2021-04-29 00:39:12,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 776 conditions, 266 events. 41/266 cut-off events. For 494/554 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1928 event pairs, 5 based on Foata normal form. 2/169 useless extension candidates. Maximal degree in co-relation 755. Up to 64 conditions per place. [2021-04-29 00:39:12,647 INFO L146 LiptonReduction]: Number of co-enabled transitions 1448 [2021-04-29 00:39:12,657 INFO L158 LiptonReduction]: Checked pairs total: 39 [2021-04-29 00:39:12,658 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:12,658 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-04-29 00:39:12,660 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 58 transitions, 364 flow [2021-04-29 00:39:12,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:12,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:12,661 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:12,661 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:39:12,661 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:12,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:12,662 INFO L82 PathProgramCache]: Analyzing trace with hash 439502987, now seen corresponding path program 1 times [2021-04-29 00:39:12,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:12,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000252287] [2021-04-29 00:39:12,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:12,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:12,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:12,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:39:12,757 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 00:39:12,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000252287] [2021-04-29 00:39:12,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:12,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:39:12,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399066898] [2021-04-29 00:39:12,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:39:12,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:12,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:39:12,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:39:12,761 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 162 [2021-04-29 00:39:12,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 364 flow. Second operand has 4 states, 4 states have (on average 97.75) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 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 00:39:12,762 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:12,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 162 [2021-04-29 00:39:12,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:15,909 INFO L129 PetriNetUnfolder]: 10112/16860 cut-off events. [2021-04-29 00:39:15,910 INFO L130 PetriNetUnfolder]: For 3895/4759 co-relation queries the response was YES. [2021-04-29 00:39:16,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34653 conditions, 16860 events. 10112/16860 cut-off events. For 3895/4759 co-relation queries the response was YES. Maximal size of possible extension queue 3483. Compared 162807 event pairs, 4457 based on Foata normal form. 82/4356 useless extension candidates. Maximal degree in co-relation 34630. Up to 10918 conditions per place. [2021-04-29 00:39:16,049 INFO L132 encePairwiseOnDemand]: 144/162 looper letters, 29 selfloop transitions, 27 changer transitions 0/93 dead transitions. [2021-04-29 00:39:16,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 93 transitions, 546 flow [2021-04-29 00:39:16,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:39:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:39:16,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 541 transitions. [2021-04-29 00:39:16,053 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6679012345679012 [2021-04-29 00:39:16,053 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 541 transitions. [2021-04-29 00:39:16,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 541 transitions. [2021-04-29 00:39:16,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:16,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 541 transitions. [2021-04-29 00:39:16,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 0 states have call successors, (0), 0 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 00:39:16,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 00:39:16,061 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 162.0) internal successors, (972), 6 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 00:39:16,061 INFO L185 Difference]: Start difference. First operand has 62 places, 58 transitions, 364 flow. Second operand 5 states and 541 transitions. [2021-04-29 00:39:16,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 93 transitions, 546 flow [2021-04-29 00:39:16,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 93 transitions, 542 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-04-29 00:39:16,076 INFO L241 Difference]: Finished difference. Result has 69 places, 83 transitions, 563 flow [2021-04-29 00:39:16,076 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=563, PETRI_PLACES=69, PETRI_TRANSITIONS=83} [2021-04-29 00:39:16,077 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -9 predicate places. [2021-04-29 00:39:16,077 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:16,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 83 transitions, 563 flow [2021-04-29 00:39:16,077 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 83 transitions, 563 flow [2021-04-29 00:39:16,079 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 83 transitions, 563 flow [2021-04-29 00:39:18,781 INFO L129 PetriNetUnfolder]: 10497/17011 cut-off events. [2021-04-29 00:39:18,781 INFO L130 PetriNetUnfolder]: For 6101/15359 co-relation queries the response was YES. [2021-04-29 00:39:18,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48623 conditions, 17011 events. 10497/17011 cut-off events. For 6101/15359 co-relation queries the response was YES. Maximal size of possible extension queue 3606. Compared 157580 event pairs, 4245 based on Foata normal form. 26/4662 useless extension candidates. Maximal degree in co-relation 48597. Up to 16103 conditions per place. [2021-04-29 00:39:19,091 INFO L146 LiptonReduction]: Number of co-enabled transitions 2150 [2021-04-29 00:39:19,123 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:39:19,124 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:19,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3047 [2021-04-29 00:39:19,131 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 83 transitions, 563 flow [2021-04-29 00:39:19,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 97.75) internal successors, (391), 4 states have internal predecessors, (391), 0 states have call successors, (0), 0 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 00:39:19,132 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:19,132 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:19,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:39:19,132 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:19,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:19,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1084231155, now seen corresponding path program 1 times [2021-04-29 00:39:19,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:19,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392730867] [2021-04-29 00:39:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:19,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:19,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:39:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:19,232 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-29 00:39:19,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:39:19,242 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 00:39:19,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392730867] [2021-04-29 00:39:19,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:19,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:39:19,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946585095] [2021-04-29 00:39:19,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:39:19,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:19,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:39:19,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:39:19,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 162 [2021-04-29 00:39:19,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 83 transitions, 563 flow. Second operand has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:19,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:19,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 162 [2021-04-29 00:39:19,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:22,581 INFO L129 PetriNetUnfolder]: 13812/23055 cut-off events. [2021-04-29 00:39:22,582 INFO L130 PetriNetUnfolder]: For 8695/17550 co-relation queries the response was YES. [2021-04-29 00:39:22,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65590 conditions, 23055 events. 13812/23055 cut-off events. For 8695/17550 co-relation queries the response was YES. Maximal size of possible extension queue 5235. Compared 229967 event pairs, 6815 based on Foata normal form. 131/6262 useless extension candidates. Maximal degree in co-relation 65562. Up to 22004 conditions per place. [2021-04-29 00:39:22,772 INFO L132 encePairwiseOnDemand]: 154/162 looper letters, 12 selfloop transitions, 19 changer transitions 5/90 dead transitions. [2021-04-29 00:39:22,773 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 90 transitions, 707 flow [2021-04-29 00:39:22,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:39:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:39:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 455 transitions. [2021-04-29 00:39:22,776 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7021604938271605 [2021-04-29 00:39:22,776 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 455 transitions. [2021-04-29 00:39:22,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 455 transitions. [2021-04-29 00:39:22,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:22,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 455 transitions. [2021-04-29 00:39:22,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 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 00:39:22,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 162.0) internal successors, (810), 5 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:22,782 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 162.0) internal successors, (810), 5 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:22,782 INFO L185 Difference]: Start difference. First operand has 69 places, 83 transitions, 563 flow. Second operand 4 states and 455 transitions. [2021-04-29 00:39:22,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 90 transitions, 707 flow [2021-04-29 00:39:22,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 90 transitions, 707 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:39:22,835 INFO L241 Difference]: Finished difference. Result has 75 places, 83 transitions, 653 flow [2021-04-29 00:39:22,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=653, PETRI_PLACES=75, PETRI_TRANSITIONS=83} [2021-04-29 00:39:22,836 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -3 predicate places. [2021-04-29 00:39:22,836 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:22,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 83 transitions, 653 flow [2021-04-29 00:39:22,836 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 83 transitions, 653 flow [2021-04-29 00:39:22,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 83 transitions, 653 flow [2021-04-29 00:39:25,125 INFO L129 PetriNetUnfolder]: 13985/23120 cut-off events. [2021-04-29 00:39:25,125 INFO L130 PetriNetUnfolder]: For 8421/20690 co-relation queries the response was YES. [2021-04-29 00:39:25,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65930 conditions, 23120 events. 13985/23120 cut-off events. For 8421/20690 co-relation queries the response was YES. Maximal size of possible extension queue 4935. Compared 231119 event pairs, 6744 based on Foata normal form. 21/6176 useless extension candidates. Maximal degree in co-relation 65899. Up to 22106 conditions per place. [2021-04-29 00:39:25,497 INFO L146 LiptonReduction]: Number of co-enabled transitions 2024 [2021-04-29 00:39:25,539 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:39:25,540 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:25,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2704 [2021-04-29 00:39:25,544 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 83 transitions, 653 flow [2021-04-29 00:39:25,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 110.25) internal successors, (441), 4 states have internal predecessors, (441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:39:25,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:25,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:25,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:39:25,546 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:25,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:25,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1415048598, now seen corresponding path program 1 times [2021-04-29 00:39:25,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:25,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066801857] [2021-04-29 00:39:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:25,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:25,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:25,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:25,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:25,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:25,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:39:25,675 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 00:39:25,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066801857] [2021-04-29 00:39:25,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:25,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:39:25,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215151447] [2021-04-29 00:39:25,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:39:25,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:25,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:39:25,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:39:25,679 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 162 [2021-04-29 00:39:25,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 83 transitions, 653 flow. Second operand has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 0 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 00:39:25,681 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:25,681 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 162 [2021-04-29 00:39:25,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:29,225 INFO L129 PetriNetUnfolder]: 15249/27339 cut-off events. [2021-04-29 00:39:29,225 INFO L130 PetriNetUnfolder]: For 14098/68101 co-relation queries the response was YES. [2021-04-29 00:39:29,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103971 conditions, 27339 events. 15249/27339 cut-off events. For 14098/68101 co-relation queries the response was YES. Maximal size of possible extension queue 7260. Compared 302653 event pairs, 1516 based on Foata normal form. 274/8469 useless extension candidates. Maximal degree in co-relation 103938. Up to 25376 conditions per place. [2021-04-29 00:39:29,367 INFO L132 encePairwiseOnDemand]: 144/162 looper letters, 11 selfloop transitions, 19 changer transitions 67/119 dead transitions. [2021-04-29 00:39:29,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 119 transitions, 1012 flow [2021-04-29 00:39:29,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:39:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:39:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 759 transitions. [2021-04-29 00:39:29,373 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6693121693121693 [2021-04-29 00:39:29,374 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 759 transitions. [2021-04-29 00:39:29,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 759 transitions. [2021-04-29 00:39:29,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:29,375 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 759 transitions. [2021-04-29 00:39:29,378 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 108.42857142857143) internal successors, (759), 7 states have internal predecessors, (759), 0 states have call successors, (0), 0 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 00:39:29,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 00:39:29,382 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 00:39:29,383 INFO L185 Difference]: Start difference. First operand has 75 places, 83 transitions, 653 flow. Second operand 7 states and 759 transitions. [2021-04-29 00:39:29,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 119 transitions, 1012 flow [2021-04-29 00:39:29,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 119 transitions, 1006 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-29 00:39:29,465 INFO L241 Difference]: Finished difference. Result has 84 places, 52 transitions, 510 flow [2021-04-29 00:39:29,466 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=510, PETRI_PLACES=84, PETRI_TRANSITIONS=52} [2021-04-29 00:39:29,466 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, 6 predicate places. [2021-04-29 00:39:29,466 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:29,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 52 transitions, 510 flow [2021-04-29 00:39:29,467 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 52 transitions, 510 flow [2021-04-29 00:39:29,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 52 transitions, 510 flow [2021-04-29 00:39:29,785 INFO L129 PetriNetUnfolder]: 486/1001 cut-off events. [2021-04-29 00:39:29,785 INFO L130 PetriNetUnfolder]: For 3093/4541 co-relation queries the response was YES. [2021-04-29 00:39:29,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4966 conditions, 1001 events. 486/1001 cut-off events. For 3093/4541 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 7359 event pairs, 81 based on Foata normal form. 4/457 useless extension candidates. Maximal degree in co-relation 4930. Up to 919 conditions per place. [2021-04-29 00:39:29,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 556 [2021-04-29 00:39:29,809 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:39:29,810 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:29,810 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 344 [2021-04-29 00:39:29,821 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 52 transitions, 510 flow [2021-04-29 00:39:29,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 97.8) internal successors, (489), 5 states have internal predecessors, (489), 0 states have call successors, (0), 0 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 00:39:29,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:39:29,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:39:29,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:39:29,823 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:39:29,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:39:29,824 INFO L82 PathProgramCache]: Analyzing trace with hash -113065001, now seen corresponding path program 1 times [2021-04-29 00:39:29,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:39:29,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397988929] [2021-04-29 00:39:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:39:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:39:29,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:29,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:29,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:29,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:29,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:29,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:39:29,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:39:29,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:39:29,957 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 00:39:29,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397988929] [2021-04-29 00:39:29,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:39:29,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:39:29,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673259619] [2021-04-29 00:39:29,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:39:29,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:39:29,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:39:29,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:39:29,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 162 [2021-04-29 00:39:29,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 52 transitions, 510 flow. Second operand has 6 states, 6 states have (on average 97.83333333333333) internal successors, (587), 6 states have internal predecessors, (587), 0 states have call successors, (0), 0 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 00:39:29,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:39:29,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 162 [2021-04-29 00:39:29,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:39:30,183 INFO L129 PetriNetUnfolder]: 405/866 cut-off events. [2021-04-29 00:39:30,184 INFO L130 PetriNetUnfolder]: For 2844/5942 co-relation queries the response was YES. [2021-04-29 00:39:30,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4860 conditions, 866 events. 405/866 cut-off events. For 2844/5942 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 6383 event pairs, 0 based on Foata normal form. 59/429 useless extension candidates. Maximal degree in co-relation 4838. Up to 838 conditions per place. [2021-04-29 00:39:30,187 INFO L132 encePairwiseOnDemand]: 150/162 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2021-04-29 00:39:30,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 660 flow [2021-04-29 00:39:30,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:39:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:39:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 719 transitions. [2021-04-29 00:39:30,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6340388007054674 [2021-04-29 00:39:30,191 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 719 transitions. [2021-04-29 00:39:30,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 719 transitions. [2021-04-29 00:39:30,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:39:30,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 719 transitions. [2021-04-29 00:39:30,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 102.71428571428571) internal successors, (719), 7 states have internal predecessors, (719), 0 states have call successors, (0), 0 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 00:39:30,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 00:39:30,199 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 162.0) internal successors, (1296), 8 states have internal predecessors, (1296), 0 states have call successors, (0), 0 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 00:39:30,199 INFO L185 Difference]: Start difference. First operand has 70 places, 52 transitions, 510 flow. Second operand 7 states and 719 transitions. [2021-04-29 00:39:30,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 660 flow [2021-04-29 00:39:30,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 61 transitions, 405 flow, removed 54 selfloop flow, removed 17 redundant places. [2021-04-29 00:39:30,240 INFO L241 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2021-04-29 00:39:30,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2021-04-29 00:39:30,240 INFO L343 CegarLoopForPetriNet]: 78 programPoint places, -20 predicate places. [2021-04-29 00:39:30,241 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:39:30,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 0 transitions, 0 flow [2021-04-29 00:39:30,241 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 0 transitions, 0 flow [2021-04-29 00:39:30,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 00:39:30,255 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 00:39:30,255 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:39:30,255 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 00:39:30,256 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 00:39:30,256 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:39:30,256 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:39:30,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 00:39:30,257 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 00:39:30,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 97.83333333333333) internal successors, (587), 6 states have internal predecessors, (587), 0 states have call successors, (0), 0 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 00:39:30,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:39:30,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:39:30 BasicIcfg [2021-04-29 00:39:30,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:39:30,266 INFO L168 Benchmark]: Toolchain (without parser) took 31281.12 ms. Allocated memory was 302.0 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 276.9 MB in the beginning and 6.5 GB in the end (delta: -6.2 GB). Peak memory consumption was 709.5 MB. Max. memory is 16.0 GB. [2021-04-29 00:39:30,266 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:39:30,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.46 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 243.0 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2021-04-29 00:39:30,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.57 ms. Allocated memory is still 302.0 MB. Free memory was 242.8 MB in the beginning and 283.4 MB in the end (delta: -40.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. [2021-04-29 00:39:30,267 INFO L168 Benchmark]: Boogie Preprocessor took 34.01 ms. Allocated memory is still 302.0 MB. Free memory was 283.4 MB in the beginning and 281.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:39:30,268 INFO L168 Benchmark]: RCFGBuilder took 665.62 ms. Allocated memory is still 302.0 MB. Free memory was 281.6 MB in the beginning and 258.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:39:30,268 INFO L168 Benchmark]: TraceAbstraction took 29560.85 ms. Allocated memory was 302.0 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 258.2 MB in the beginning and 6.5 GB in the end (delta: -6.2 GB). Peak memory consumption was 688.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:39:30,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 302.0 MB. Free memory is still 272.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 895.46 ms. Allocated memory is still 302.0 MB. Free memory was 273.6 MB in the beginning and 243.0 MB in the end (delta: 30.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.57 ms. Allocated memory is still 302.0 MB. Free memory was 242.8 MB in the beginning and 283.4 MB in the end (delta: -40.5 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 34.01 ms. Allocated memory is still 302.0 MB. Free memory was 283.4 MB in the beginning and 281.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 665.62 ms. Allocated memory is still 302.0 MB. Free memory was 281.6 MB in the beginning and 258.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 29560.85 ms. Allocated memory was 302.0 MB in the beginning and 7.2 GB in the end (delta: 6.9 GB). Free memory was 258.2 MB in the beginning and 6.5 GB in the end (delta: -6.2 GB). Peak memory consumption was 688.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10171.4ms, 67 PlacesBefore, 78 PlacesAfterwards, 58 TransitionsBefore, 68 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 89 TotalNumberOfCompositions, 6958 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1689, positive: 1477, positive conditional: 1477, positive unconditional: 0, negative: 212, negative conditional: 212, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 920, positive: 850, positive conditional: 0, positive unconditional: 850, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 920, positive: 850, positive conditional: 0, positive unconditional: 850, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 920, positive: 819, positive conditional: 0, positive unconditional: 819, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 542, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 383, negative conditional: 0, negative unconditional: 383, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1689, positive: 627, positive conditional: 627, positive unconditional: 0, negative: 142, negative conditional: 142, negative unconditional: 0, unknown: 920, unknown conditional: 920, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 917, Positive cache size: 847, Positive conditional cache size: 847, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 78 PlacesBefore, 47 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 476 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 157, positive: 112, positive conditional: 112, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 950, Positive cache size: 875, Positive conditional cache size: 875, 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: 29.2ms, 49 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 114, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 13, positive conditional: 7, positive unconditional: 6, 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: 14, positive: 13, positive conditional: 7, positive unconditional: 6, 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: 14, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 114, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 888, Positive conditional cache size: 888, 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: 25.2ms, 51 PlacesBefore, 51 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 965, Positive cache size: 889, Positive conditional cache size: 889, 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: 52.0ms, 56 PlacesBefore, 56 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 34 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 971, Positive cache size: 894, Positive conditional cache size: 894, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.8ms, 62 PlacesBefore, 62 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 1448 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 39 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 6, 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: 3, positive: 3, positive conditional: 2, positive unconditional: 1, 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: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 7, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 974, Positive cache size: 897, Positive conditional cache size: 897, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3046.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 2150 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): 974, Positive cache size: 897, Positive conditional cache size: 897, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2703.3ms, 75 PlacesBefore, 75 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 2024 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): 974, Positive cache size: 897, Positive conditional cache size: 897, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 342.5ms, 84 PlacesBefore, 70 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 556 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): 974, Positive cache size: 897, Positive conditional cache size: 897, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.8ms, 58 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): 974, Positive cache size: 897, Positive conditional cache size: 897, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, 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 4 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 29353.3ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 11421.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10360.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 80 SDtfs, 51 SDslu, 26 SDs, 0 SdLazy, 291 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 376.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 137.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=653occurred in iteration=7, InterpolantAutomatonStates: 40, 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: 30.0ms SsaConstructionTime, 242.4ms SatisfiabilityAnalysisTime, 656.5ms InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...