/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/mix046_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:25:55,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:25:55,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:25:55,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:25:55,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:25:55,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:25:55,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:25:55,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:25:55,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:25:55,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:25:55,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:25:55,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:25:55,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:25:55,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:25:55,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:25:55,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:25:55,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:25:55,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:25:55,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:25:55,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:25:55,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:25:55,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:25:55,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:25:55,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:25:55,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:25:55,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 21:25:55,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 21:25:55,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 21:25:55,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 21:25:55,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 21:25:55,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 21:25:55,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 21:25:55,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 21:25:55,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:25:55,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:25:55,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:25:55,909 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 [2021-04-28 21:25:55,966 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:25:55,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:25:55,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:25:55,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:25:55,971 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:25:55,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:25:55,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:25:55,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:25:55,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:25:55,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:25:55,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:25:55,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:25:55,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:25:55,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:25:55,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:25:55,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:25:55,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:25:55,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:25:55,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:25:55,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:25:55,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:25:55,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:25:55,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:25:55,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:25:55,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:25:55,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:25:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:25:55,977 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:25:55,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:25:55,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:25:55,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:25:56,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:25:56,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:25:56,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:25:56,426 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:25:56,426 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:25:56,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_power.opt.i [2021-04-28 21:25:56,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ff8ce16/7aaaf80f1d4343208325e22da07d9847/FLAG95d7dfda2 [2021-04-28 21:25:57,413 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:25:57,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_power.opt.i [2021-04-28 21:25:57,438 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ff8ce16/7aaaf80f1d4343208325e22da07d9847/FLAG95d7dfda2 [2021-04-28 21:25:57,622 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02ff8ce16/7aaaf80f1d4343208325e22da07d9847 [2021-04-28 21:25:57,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:25:57,680 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:25:57,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:25:57,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:25:57,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:25:57,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:25:57" (1/1) ... [2021-04-28 21:25:57,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397716c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:57, skipping insertion in model container [2021-04-28 21:25:57,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:25:57" (1/1) ... [2021-04-28 21:25:57,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:25:57,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:25:57,932 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/mix046_power.opt.i[950,963] [2021-04-28 21:25:58,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:25:58,272 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:25:58,287 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/mix046_power.opt.i[950,963] [2021-04-28 21:25:58,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:25:58,501 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:25:58,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58 WrapperNode [2021-04-28 21:25:58,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:25:58,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:25:58,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:25:58,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:25:58,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:25:58,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:25:58,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:25:58,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:25:58,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (1/1) ... [2021-04-28 21:25:58,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:25:58,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:25:58,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:25:58,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:25:58,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (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 [2021-04-28 21:25:58,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:25:58,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:25:58,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:25:58,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:25:58,734 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:25:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:25:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:25:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:25:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:25:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:25:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:25:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:25:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:25:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:25:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:25:58,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:25:58,741 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:26:00,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:26:00,914 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:26:00,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:26:00 BoogieIcfgContainer [2021-04-28 21:26:00,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:26:00,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:26:00,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:26:00,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:26:00,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:25:57" (1/3) ... [2021-04-28 21:26:00,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62a656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:26:00, skipping insertion in model container [2021-04-28 21:26:00,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:25:58" (2/3) ... [2021-04-28 21:26:00,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b62a656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:26:00, skipping insertion in model container [2021-04-28 21:26:00,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:26:00" (3/3) ... [2021-04-28 21:26:00,926 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_power.opt.i [2021-04-28 21:26:00,934 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:26:00,940 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:26:00,941 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:26:00,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,982 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,983 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,985 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,985 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,986 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,986 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,988 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,988 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,988 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,988 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,988 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,989 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,989 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,989 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,989 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,989 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,990 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,990 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,990 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,991 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,991 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,991 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,991 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,991 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,992 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,992 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,992 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,993 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,993 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,994 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,994 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,994 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,994 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,994 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,994 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,995 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,995 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,995 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,995 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,996 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,996 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,996 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,997 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,997 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,998 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,998 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,998 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,998 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,998 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,999 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,999 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,999 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:00,999 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,000 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,000 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,000 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,001 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,004 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,007 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,007 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,008 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,009 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,010 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,010 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,010 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,011 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,013 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,014 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,014 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,015 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,016 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,016 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:26:01,017 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:26:01,040 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:26:01,067 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:26:01,067 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:26:01,067 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:26:01,067 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:26:01,068 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:26:01,068 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:26:01,068 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:26:01,068 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:26:01,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 21:26:01,138 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 21:26:01,138 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:26:01,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:26:01,144 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 21:26:01,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 21:26:01,153 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:26:01,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 21:26:01,183 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 21:26:01,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 21:26:01,245 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 21:26:01,245 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:26:01,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:26:01,254 INFO L146 LiptonReduction]: Number of co-enabled transitions 2598 [2021-04-28 21:26:01,949 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-04-28 21:26:05,374 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:26:05,493 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:26:06,027 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 21:26:06,236 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:26:07,394 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:26:07,983 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:26:10,427 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:26:11,511 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:26:12,124 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 21:26:12,271 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 21:26:15,549 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:26:16,082 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:26:18,705 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:26:19,890 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:26:21,816 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 21:26:22,364 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:26:25,055 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:26:26,292 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:26:27,603 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 234 DAG size of output: 193 [2021-04-28 21:26:28,249 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:26:31,316 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 21:26:32,668 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 21:26:37,523 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:26:38,191 WARN L205 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:26:41,258 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:26:42,834 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:26:45,468 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 21:26:46,285 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:26:49,990 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:26:51,614 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:26:54,329 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 21:26:55,150 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:26:58,887 WARN L205 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:27:00,625 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:27:02,654 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:27:04,251 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 21:27:08,032 WARN L205 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:27:09,727 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:27:11,725 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:27:11,837 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:27:11,956 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:27:12,079 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:27:12,598 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:27:12,721 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:27:12,838 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:27:12,961 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:27:13,067 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:27:14,204 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,314 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,425 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,539 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,656 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,775 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,878 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:14,983 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:17,001 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 21:27:18,874 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-04-28 21:27:22,908 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:27:24,778 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:27:26,925 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 21:27:27,914 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:27:32,415 WARN L205 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:27:34,435 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:27:36,817 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:27:37,856 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:27:42,293 WARN L205 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 314 DAG size of output: 269 [2021-04-28 21:27:44,334 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 21:27:44,492 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:27:44,617 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:27:44,739 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:27:44,863 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:27:46,049 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:27:46,187 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:27:46,321 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:27:46,471 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:27:48,436 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:27:48,556 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:27:48,676 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:27:48,797 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:27:49,936 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:27:50,043 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:27:50,154 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:27:50,263 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:27:50,687 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:27:50,791 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:27:50,894 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 21:27:51,122 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:51,257 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:51,383 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:51,507 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:27:52,592 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:27:52,778 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:27:52,956 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:27:53,123 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:27:53,287 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:27:53,451 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:27:53,620 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:27:53,787 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:27:53,970 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:27:54,152 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:27:54,329 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:27:54,504 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:27:54,724 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:27:54,952 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:27:55,167 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:27:55,380 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:27:55,557 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:55,748 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:55,925 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:56,096 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:56,266 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:56,436 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:56,625 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:56,818 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:57,034 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:27:57,242 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:27:57,456 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:27:57,681 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:27:57,882 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:27:58,071 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:27:58,279 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:27:58,486 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:27:58,667 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:58,823 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:58,981 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:59,140 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:27:59,379 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:27:59,626 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:27:59,869 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:28:00,108 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:28:00,254 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:28:00,401 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:28:00,546 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:28:00,693 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:28:00,931 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:28:01,166 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:28:01,404 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:28:01,635 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:28:01,794 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:01,952 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:02,110 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:02,269 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:02,440 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:02,598 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:02,758 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:02,916 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:03,050 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:28:03,180 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:28:03,312 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:28:03,444 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:28:03,595 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:03,748 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:03,898 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:04,049 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:04,189 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:28:04,328 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:28:04,467 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:28:04,606 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:28:04,768 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:04,924 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:05,081 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:05,239 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:28:05,392 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:05,545 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:05,698 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:05,846 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:28:06,112 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:28:06,379 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:28:06,649 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:28:06,935 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:28:07,210 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:07,483 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:07,789 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:08,081 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:08,330 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:08,592 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:08,853 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:09,107 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:09,436 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:28:09,753 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:28:10,087 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:28:10,425 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:28:10,751 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:28:11,068 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:28:11,392 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:28:11,720 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:28:11,955 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:28:12,200 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:28:12,429 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:28:12,660 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:28:12,953 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:28:13,233 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:28:13,526 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:28:13,823 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:28:14,123 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:28:14,416 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:28:14,722 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:28:15,019 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:28:15,314 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:15,615 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:15,911 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:16,207 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:28:16,469 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:16,721 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:16,973 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:17,236 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:17,465 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:17,690 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:17,923 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:18,156 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:18,410 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:28:18,661 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:28:18,899 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:28:19,142 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:28:19,414 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:19,681 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:19,946 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:20,213 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:28:20,471 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:28:20,723 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:28:21,008 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:28:21,278 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:28:21,526 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:21,748 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:21,956 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:22,170 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:28:22,550 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:22,937 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:23,338 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:23,719 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:24,067 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:28:24,409 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:28:24,757 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:28:25,129 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:28:25,506 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:25,900 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:26,296 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:26,692 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:27,064 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:27,425 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:27,799 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:28,175 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:29,183 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:28:29,683 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:28:30,727 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:28:31,209 WARN L205 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:28:31,588 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:31,983 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:32,368 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:32,754 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:33,140 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:33,509 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:33,900 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:34,297 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:28:34,652 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:28:35,012 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:28:35,369 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:28:35,717 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:28:36,134 WARN L205 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:36,546 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:36,913 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:37,280 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:28:37,625 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:28:37,975 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:28:38,364 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:28:38,739 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:28:39,818 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:28:40,345 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:28:41,400 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:28:41,917 WARN L205 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:28:41,985 INFO L158 LiptonReduction]: Checked pairs total: 24899 [2021-04-28 21:28:41,985 INFO L160 LiptonReduction]: Total number of compositions: 262 [2021-04-28 21:28:41,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160839 [2021-04-28 21:28:42,042 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-04-28 21:28:42,042 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:28:42,043 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:42,043 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:42,044 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:42,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1988398300, now seen corresponding path program 1 times [2021-04-28 21:28:42,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:42,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106477834] [2021-04-28 21:28:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:42,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:28:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:42,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106477834] [2021-04-28 21:28:42,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:42,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:28:42,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126096183] [2021-04-28 21:28:42,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:28:42,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:42,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:28:42,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:28:42,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 379 [2021-04-28 21:28:42,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:42,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:42,542 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 379 [2021-04-28 21:28:42,544 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:43,167 INFO L129 PetriNetUnfolder]: 212/677 cut-off events. [2021-04-28 21:28:43,167 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:28:43,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 677 events. 212/677 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5244 event pairs, 16 based on Foata normal form. 10/308 useless extension candidates. Maximal degree in co-relation 1006. Up to 333 conditions per place. [2021-04-28 21:28:43,174 INFO L132 encePairwiseOnDemand]: 361/379 looper letters, 7 selfloop transitions, 4 changer transitions 102/154 dead transitions. [2021-04-28 21:28:43,175 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 418 flow [2021-04-28 21:28:43,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:28:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:28:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2021-04-28 21:28:43,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469656992084432 [2021-04-28 21:28:43,200 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 963 transitions. [2021-04-28 21:28:43,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 963 transitions. [2021-04-28 21:28:43,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:43,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 963 transitions. [2021-04-28 21:28:43,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,239 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,241 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,243 INFO L185 Difference]: Start difference. First operand has 153 places, 142 transitions, 296 flow. Second operand 3 states and 963 transitions. [2021-04-28 21:28:43,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 418 flow [2021-04-28 21:28:43,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 154 transitions, 414 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:28:43,255 INFO L241 Difference]: Finished difference. Result has 148 places, 49 transitions, 114 flow [2021-04-28 21:28:43,257 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=148, PETRI_TRANSITIONS=49} [2021-04-28 21:28:43,258 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -5 predicate places. [2021-04-28 21:28:43,259 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:43,259 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:28:43,260 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:28:43,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 49 transitions, 114 flow [2021-04-28 21:28:43,271 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 21:28:43,271 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:28:43,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 172 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:28:43,273 INFO L146 LiptonReduction]: Number of co-enabled transitions 1464 [2021-04-28 21:28:43,717 INFO L158 LiptonReduction]: Checked pairs total: 1426 [2021-04-28 21:28:43,717 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:43,717 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-04-28 21:28:43,719 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 114 flow [2021-04-28 21:28:43,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:43,721 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:43,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:28:43,721 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:43,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:43,722 INFO L82 PathProgramCache]: Analyzing trace with hash 409763528, now seen corresponding path program 1 times [2021-04-28 21:28:43,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:43,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932885123] [2021-04-28 21:28:43,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:43,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:43,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:28:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:43,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932885123] [2021-04-28 21:28:43,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:43,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:28:43,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227568359] [2021-04-28 21:28:43,880 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:28:43,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:43,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:28:43,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:28:43,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 275 out of 379 [2021-04-28 21:28:43,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:43,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 275 of 379 [2021-04-28 21:28:43,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:43,919 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 21:28:43,919 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:28:43,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 64 events. 0/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 260 event pairs, 0 based on Foata normal form. 1/36 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-28 21:28:43,920 INFO L132 encePairwiseOnDemand]: 375/379 looper letters, 2 selfloop transitions, 3 changer transitions 10/50 dead transitions. [2021-04-28 21:28:43,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 50 transitions, 126 flow [2021-04-28 21:28:43,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:28:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:28:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 831 transitions. [2021-04-28 21:28:43,927 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7308707124010554 [2021-04-28 21:28:43,927 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 831 transitions. [2021-04-28 21:28:43,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 831 transitions. [2021-04-28 21:28:43,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:43,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 831 transitions. [2021-04-28 21:28:43,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 277.0) internal successors, (831), 3 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,936 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:43,936 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 114 flow. Second operand 3 states and 831 transitions. [2021-04-28 21:28:43,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 50 transitions, 126 flow [2021-04-28 21:28:43,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 50 transitions, 118 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:28:43,938 INFO L241 Difference]: Finished difference. Result has 62 places, 40 transitions, 104 flow [2021-04-28 21:28:43,939 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=62, PETRI_TRANSITIONS=40} [2021-04-28 21:28:43,939 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -91 predicate places. [2021-04-28 21:28:43,939 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:43,940 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 40 transitions, 104 flow [2021-04-28 21:28:43,940 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 40 transitions, 104 flow [2021-04-28 21:28:43,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 40 transitions, 104 flow [2021-04-28 21:28:43,949 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-04-28 21:28:43,950 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 21:28:43,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 54 events. 0/54 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 195 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-28 21:28:43,951 INFO L146 LiptonReduction]: Number of co-enabled transitions 922 [2021-04-28 21:28:44,604 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:28:44,720 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:28:44,748 INFO L158 LiptonReduction]: Checked pairs total: 1718 [2021-04-28 21:28:44,749 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:28:44,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 810 [2021-04-28 21:28:44,750 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 40 transitions, 104 flow [2021-04-28 21:28:44,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 275.6666666666667) internal successors, (827), 3 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:44,751 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:44,752 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:44,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:28:44,752 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:44,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:44,752 INFO L82 PathProgramCache]: Analyzing trace with hash -653572674, now seen corresponding path program 1 times [2021-04-28 21:28:44,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:44,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813938878] [2021-04-28 21:28:44,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:44,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:44,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:28:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:44,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813938878] [2021-04-28 21:28:44,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:44,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:28:44,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100738286] [2021-04-28 21:28:44,898 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:28:44,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:44,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:28:44,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:28:44,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 380 [2021-04-28 21:28:44,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 40 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:44,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:44,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 380 [2021-04-28 21:28:44,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:44,938 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-04-28 21:28:44,938 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 21:28:44,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 54 events. 0/54 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 184 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-28 21:28:44,939 INFO L132 encePairwiseOnDemand]: 377/380 looper letters, 1 selfloop transitions, 2 changer transitions 4/40 dead transitions. [2021-04-28 21:28:44,939 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 40 transitions, 110 flow [2021-04-28 21:28:44,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:28:44,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:28:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2021-04-28 21:28:44,945 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7008771929824561 [2021-04-28 21:28:44,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2021-04-28 21:28:44,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2021-04-28 21:28:44,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:44,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2021-04-28 21:28:44,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:44,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:44,954 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:44,954 INFO L185 Difference]: Start difference. First operand has 52 places, 40 transitions, 104 flow. Second operand 3 states and 799 transitions. [2021-04-28 21:28:44,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 40 transitions, 110 flow [2021-04-28 21:28:44,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 40 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:28:44,959 INFO L241 Difference]: Finished difference. Result has 53 places, 36 transitions, 98 flow [2021-04-28 21:28:44,960 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=53, PETRI_TRANSITIONS=36} [2021-04-28 21:28:44,960 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -100 predicate places. [2021-04-28 21:28:44,960 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:44,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 36 transitions, 98 flow [2021-04-28 21:28:44,962 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 36 transitions, 98 flow [2021-04-28 21:28:44,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 36 transitions, 98 flow [2021-04-28 21:28:44,972 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 21:28:44,972 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 21:28:44,972 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 50 events. 0/50 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 172 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-28 21:28:44,975 INFO L146 LiptonReduction]: Number of co-enabled transitions 744 [2021-04-28 21:28:45,375 INFO L158 LiptonReduction]: Checked pairs total: 709 [2021-04-28 21:28:45,375 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:45,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 416 [2021-04-28 21:28:45,377 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 98 flow [2021-04-28 21:28:45,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:45,378 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:45,378 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:45,378 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:28:45,379 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:45,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1219727133, now seen corresponding path program 1 times [2021-04-28 21:28:45,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:45,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312128193] [2021-04-28 21:28:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:45,578 INFO L142 QuantifierPusher]: treesize reduction 30, result has 36.2 percent of original size [2021-04-28 21:28:45,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 21:28:45,613 INFO L142 QuantifierPusher]: treesize reduction 31, result has 59.7 percent of original size [2021-04-28 21:28:45,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-28 21:28:45,729 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-04-28 21:28:45,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-28 21:28:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:45,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312128193] [2021-04-28 21:28:45,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:45,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:28:45,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052605509] [2021-04-28 21:28:45,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:28:45,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:45,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:28:45,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:28:45,849 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 380 [2021-04-28 21:28:45,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:45,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:45,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 380 [2021-04-28 21:28:45,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:46,116 INFO L129 PetriNetUnfolder]: 38/186 cut-off events. [2021-04-28 21:28:46,116 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-04-28 21:28:46,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 186 events. 38/186 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1023 event pairs, 4 based on Foata normal form. 5/129 useless extension candidates. Maximal degree in co-relation 313. Up to 48 conditions per place. [2021-04-28 21:28:46,119 INFO L132 encePairwiseOnDemand]: 375/380 looper letters, 10 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2021-04-28 21:28:46,119 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 43 transitions, 140 flow [2021-04-28 21:28:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:28:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:28:46,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 931 transitions. [2021-04-28 21:28:46,128 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6125 [2021-04-28 21:28:46,128 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 931 transitions. [2021-04-28 21:28:46,128 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 931 transitions. [2021-04-28 21:28:46,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:46,129 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 931 transitions. [2021-04-28 21:28:46,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:46,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:46,138 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:46,138 INFO L185 Difference]: Start difference. First operand has 49 places, 36 transitions, 98 flow. Second operand 4 states and 931 transitions. [2021-04-28 21:28:46,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 43 transitions, 140 flow [2021-04-28 21:28:46,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:28:46,141 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 115 flow [2021-04-28 21:28:46,141 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=115, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-04-28 21:28:46,141 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -102 predicate places. [2021-04-28 21:28:46,141 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:46,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 38 transitions, 115 flow [2021-04-28 21:28:46,142 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 38 transitions, 115 flow [2021-04-28 21:28:46,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 38 transitions, 115 flow [2021-04-28 21:28:46,159 INFO L129 PetriNetUnfolder]: 8/92 cut-off events. [2021-04-28 21:28:46,159 INFO L130 PetriNetUnfolder]: For 22/26 co-relation queries the response was YES. [2021-04-28 21:28:46,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 92 events. 8/92 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 403 event pairs, 4 based on Foata normal form. 1/61 useless extension candidates. Maximal degree in co-relation 146. Up to 22 conditions per place. [2021-04-28 21:28:46,162 INFO L146 LiptonReduction]: Number of co-enabled transitions 798 [2021-04-28 21:28:46,165 INFO L158 LiptonReduction]: Checked pairs total: 465 [2021-04-28 21:28:46,165 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:46,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24 [2021-04-28 21:28:46,167 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 38 transitions, 115 flow [2021-04-28 21:28:46,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 229.8) internal successors, (1149), 5 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:46,168 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:46,168 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:46,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:28:46,169 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:46,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:46,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1501278794, now seen corresponding path program 1 times [2021-04-28 21:28:46,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:46,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912947158] [2021-04-28 21:28:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:46,337 INFO L142 QuantifierPusher]: treesize reduction 31, result has 59.2 percent of original size [2021-04-28 21:28:46,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-28 21:28:46,471 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2021-04-28 21:28:46,478 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-04-28 21:28:46,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-04-28 21:28:46,611 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2021-04-28 21:28:46,619 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.3 percent of original size [2021-04-28 21:28:46,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-28 21:28:46,769 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2021-04-28 21:28:46,778 INFO L142 QuantifierPusher]: treesize reduction 20, result has 79.2 percent of original size [2021-04-28 21:28:46,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-04-28 21:28:46,936 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2021-04-28 21:28:46,945 INFO L142 QuantifierPusher]: treesize reduction 51, result has 57.1 percent of original size [2021-04-28 21:28:46,951 INFO L147 QuantifierPusher]: treesize reduction 4, result has 94.1 percent of original size 64 [2021-04-28 21:28:47,085 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2021-04-28 21:28:47,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:47,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912947158] [2021-04-28 21:28:47,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:47,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:28:47,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398946162] [2021-04-28 21:28:47,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:28:47,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:47,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:28:47,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:28:47,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 380 [2021-04-28 21:28:47,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 38 transitions, 115 flow. Second operand has 7 states, 7 states have (on average 225.85714285714286) internal successors, (1581), 7 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:47,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:47,096 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 380 [2021-04-28 21:28:47,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:47,480 INFO L129 PetriNetUnfolder]: 48/220 cut-off events. [2021-04-28 21:28:47,480 INFO L130 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES. [2021-04-28 21:28:47,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 220 events. 48/220 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1299 event pairs, 4 based on Foata normal form. 2/154 useless extension candidates. Maximal degree in co-relation 445. Up to 73 conditions per place. [2021-04-28 21:28:47,483 INFO L132 encePairwiseOnDemand]: 373/380 looper letters, 11 selfloop transitions, 8 changer transitions 0/48 dead transitions. [2021-04-28 21:28:47,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 48 transitions, 189 flow [2021-04-28 21:28:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:28:47,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:28:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1142 transitions. [2021-04-28 21:28:47,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6010526315789474 [2021-04-28 21:28:47,492 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1142 transitions. [2021-04-28 21:28:47,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1142 transitions. [2021-04-28 21:28:47,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:47,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1142 transitions. [2021-04-28 21:28:47,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 228.4) internal successors, (1142), 5 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:47,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:47,504 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:47,504 INFO L185 Difference]: Start difference. First operand has 51 places, 38 transitions, 115 flow. Second operand 5 states and 1142 transitions. [2021-04-28 21:28:47,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 48 transitions, 189 flow [2021-04-28 21:28:47,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 48 transitions, 181 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:28:47,507 INFO L241 Difference]: Finished difference. Result has 56 places, 44 transitions, 171 flow [2021-04-28 21:28:47,508 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=171, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2021-04-28 21:28:47,508 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -97 predicate places. [2021-04-28 21:28:47,508 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:47,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 44 transitions, 171 flow [2021-04-28 21:28:47,509 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 44 transitions, 171 flow [2021-04-28 21:28:47,509 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 44 transitions, 171 flow [2021-04-28 21:28:47,544 INFO L129 PetriNetUnfolder]: 34/194 cut-off events. [2021-04-28 21:28:47,544 INFO L130 PetriNetUnfolder]: For 102/104 co-relation queries the response was YES. [2021-04-28 21:28:47,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 194 events. 34/194 cut-off events. For 102/104 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1179 event pairs, 8 based on Foata normal form. 1/137 useless extension candidates. Maximal degree in co-relation 409. Up to 58 conditions per place. [2021-04-28 21:28:47,550 INFO L146 LiptonReduction]: Number of co-enabled transitions 958 [2021-04-28 21:28:47,594 INFO L158 LiptonReduction]: Checked pairs total: 506 [2021-04-28 21:28:47,595 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:47,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 87 [2021-04-28 21:28:47,596 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 171 flow [2021-04-28 21:28:47,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 225.85714285714286) internal successors, (1581), 7 states have internal predecessors, (1581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:47,598 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:47,598 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:47,598 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:28:47,598 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:47,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:47,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1189509498, now seen corresponding path program 2 times [2021-04-28 21:28:47,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:47,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356068351] [2021-04-28 21:28:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:47,739 INFO L142 QuantifierPusher]: treesize reduction 30, result has 40.0 percent of original size [2021-04-28 21:28:47,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-28 21:28:47,778 INFO L142 QuantifierPusher]: treesize reduction 30, result has 43.4 percent of original size [2021-04-28 21:28:47,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 21:28:47,824 INFO L142 QuantifierPusher]: treesize reduction 51, result has 45.7 percent of original size [2021-04-28 21:28:47,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-04-28 21:28:47,927 INFO L142 QuantifierPusher]: treesize reduction 33, result has 74.4 percent of original size [2021-04-28 21:28:47,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-04-28 21:28:48,113 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2021-04-28 21:28:48,118 INFO L142 QuantifierPusher]: treesize reduction 11, result has 77.6 percent of original size [2021-04-28 21:28:48,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-28 21:28:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:48,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356068351] [2021-04-28 21:28:48,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:48,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:28:48,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573050991] [2021-04-28 21:28:48,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:28:48,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:48,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:28:48,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:28:48,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 380 [2021-04-28 21:28:48,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 171 flow. Second operand has 7 states, 7 states have (on average 222.85714285714286) internal successors, (1560), 7 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:48,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:48,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 380 [2021-04-28 21:28:48,212 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:48,451 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2021-04-28 21:28:48,719 INFO L129 PetriNetUnfolder]: 46/214 cut-off events. [2021-04-28 21:28:48,719 INFO L130 PetriNetUnfolder]: For 149/157 co-relation queries the response was YES. [2021-04-28 21:28:48,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 214 events. 46/214 cut-off events. For 149/157 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1235 event pairs, 0 based on Foata normal form. 5/154 useless extension candidates. Maximal degree in co-relation 531. Up to 49 conditions per place. [2021-04-28 21:28:48,723 INFO L132 encePairwiseOnDemand]: 374/380 looper letters, 10 selfloop transitions, 11 changer transitions 0/50 dead transitions. [2021-04-28 21:28:48,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 50 transitions, 243 flow [2021-04-28 21:28:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:28:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:28:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1127 transitions. [2021-04-28 21:28:48,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5931578947368421 [2021-04-28 21:28:48,730 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1127 transitions. [2021-04-28 21:28:48,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1127 transitions. [2021-04-28 21:28:48,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:48,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1127 transitions. [2021-04-28 21:28:48,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 225.4) internal successors, (1127), 5 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:48,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:48,740 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:48,740 INFO L185 Difference]: Start difference. First operand has 56 places, 44 transitions, 171 flow. Second operand 5 states and 1127 transitions. [2021-04-28 21:28:48,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 50 transitions, 243 flow [2021-04-28 21:28:48,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 50 transitions, 236 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:28:48,744 INFO L241 Difference]: Finished difference. Result has 61 places, 46 transitions, 214 flow [2021-04-28 21:28:48,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=61, PETRI_TRANSITIONS=46} [2021-04-28 21:28:48,745 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -92 predicate places. [2021-04-28 21:28:48,745 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:48,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 46 transitions, 214 flow [2021-04-28 21:28:48,746 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 46 transitions, 214 flow [2021-04-28 21:28:48,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 46 transitions, 214 flow [2021-04-28 21:28:48,785 INFO L129 PetriNetUnfolder]: 32/194 cut-off events. [2021-04-28 21:28:48,786 INFO L130 PetriNetUnfolder]: For 194/197 co-relation queries the response was YES. [2021-04-28 21:28:48,787 INFO L84 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 194 events. 32/194 cut-off events. For 194/197 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1157 event pairs, 4 based on Foata normal form. 3/136 useless extension candidates. Maximal degree in co-relation 461. Up to 48 conditions per place. [2021-04-28 21:28:48,792 INFO L146 LiptonReduction]: Number of co-enabled transitions 1018 [2021-04-28 21:28:48,797 INFO L158 LiptonReduction]: Checked pairs total: 557 [2021-04-28 21:28:48,797 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:48,797 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-28 21:28:48,799 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 46 transitions, 214 flow [2021-04-28 21:28:48,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 222.85714285714286) internal successors, (1560), 7 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:48,800 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:48,800 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:48,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:28:48,800 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:48,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:48,801 INFO L82 PathProgramCache]: Analyzing trace with hash 66471502, now seen corresponding path program 1 times [2021-04-28 21:28:48,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:48,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108792302] [2021-04-28 21:28:48,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:48,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:48,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:28:48,905 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:28:48,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:28:48,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:48,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:28:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:48,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108792302] [2021-04-28 21:28:48,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:48,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:28:48,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901837878] [2021-04-28 21:28:48,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:28:48,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:48,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:28:48,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:28:48,937 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:28:48,939 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 46 transitions, 214 flow. Second operand has 4 states, 4 states have (on average 286.75) internal successors, (1147), 4 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:48,939 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:48,939 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:28:48,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:51,428 INFO L129 PetriNetUnfolder]: 9677/14754 cut-off events. [2021-04-28 21:28:51,429 INFO L130 PetriNetUnfolder]: For 8922/10203 co-relation queries the response was YES. [2021-04-28 21:28:51,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34365 conditions, 14754 events. 9677/14754 cut-off events. For 8922/10203 co-relation queries the response was YES. Maximal size of possible extension queue 2379. Compared 121899 event pairs, 4809 based on Foata normal form. 1051/7465 useless extension candidates. Maximal degree in co-relation 34346. Up to 10945 conditions per place. [2021-04-28 21:28:51,600 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 28 selfloop transitions, 26 changer transitions 0/83 dead transitions. [2021-04-28 21:28:51,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 83 transitions, 396 flow [2021-04-28 21:28:51,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:28:51,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:28:51,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1484 transitions. [2021-04-28 21:28:51,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7810526315789473 [2021-04-28 21:28:51,609 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1484 transitions. [2021-04-28 21:28:51,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1484 transitions. [2021-04-28 21:28:51,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:51,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1484 transitions. [2021-04-28 21:28:51,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 296.8) internal successors, (1484), 5 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:51,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:51,620 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:51,620 INFO L185 Difference]: Start difference. First operand has 61 places, 46 transitions, 214 flow. Second operand 5 states and 1484 transitions. [2021-04-28 21:28:51,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 83 transitions, 396 flow [2021-04-28 21:28:51,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 83 transitions, 382 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 21:28:51,665 INFO L241 Difference]: Finished difference. Result has 66 places, 71 transitions, 403 flow [2021-04-28 21:28:51,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=403, PETRI_PLACES=66, PETRI_TRANSITIONS=71} [2021-04-28 21:28:51,665 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -87 predicate places. [2021-04-28 21:28:51,666 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:51,666 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 71 transitions, 403 flow [2021-04-28 21:28:51,666 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 71 transitions, 403 flow [2021-04-28 21:28:51,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 71 transitions, 403 flow [2021-04-28 21:28:53,613 INFO L129 PetriNetUnfolder]: 10179/15107 cut-off events. [2021-04-28 21:28:53,613 INFO L130 PetriNetUnfolder]: For 12180/17990 co-relation queries the response was YES. [2021-04-28 21:28:53,718 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47661 conditions, 15107 events. 10179/15107 cut-off events. For 12180/17990 co-relation queries the response was YES. Maximal size of possible extension queue 2075. Compared 119800 event pairs, 5671 based on Foata normal form. 5/6351 useless extension candidates. Maximal degree in co-relation 47640. Up to 13129 conditions per place. [2021-04-28 21:28:54,081 INFO L146 LiptonReduction]: Number of co-enabled transitions 1606 [2021-04-28 21:28:54,216 INFO L158 LiptonReduction]: Checked pairs total: 895 [2021-04-28 21:28:54,216 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:54,216 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2550 [2021-04-28 21:28:54,218 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 71 transitions, 403 flow [2021-04-28 21:28:54,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 286.75) internal successors, (1147), 4 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:54,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:54,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:54,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:28:54,220 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:54,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:54,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1062457008, now seen corresponding path program 1 times [2021-04-28 21:28:54,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:54,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140346732] [2021-04-28 21:28:54,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:54,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:54,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:28:54,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:54,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:28:54,403 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:28:54,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:28:54,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:54,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:28:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:54,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140346732] [2021-04-28 21:28:54,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:54,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:28:54,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530764304] [2021-04-28 21:28:54,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:28:54,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:54,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:28:54,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:28:54,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:28:54,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 71 transitions, 403 flow. Second operand has 5 states, 5 states have (on average 286.8) internal successors, (1434), 5 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:54,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:54,443 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:28:54,443 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:28:56,889 INFO L129 PetriNetUnfolder]: 9422/14928 cut-off events. [2021-04-28 21:28:56,889 INFO L130 PetriNetUnfolder]: For 19107/65876 co-relation queries the response was YES. [2021-04-28 21:28:56,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60298 conditions, 14928 events. 9422/14928 cut-off events. For 19107/65876 co-relation queries the response was YES. Maximal size of possible extension queue 2727. Compared 126359 event pairs, 1737 based on Foata normal form. 1159/7439 useless extension candidates. Maximal degree in co-relation 60275. Up to 12868 conditions per place. [2021-04-28 21:28:57,013 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 28 selfloop transitions, 51 changer transitions 0/108 dead transitions. [2021-04-28 21:28:57,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 108 transitions, 781 flow [2021-04-28 21:28:57,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:28:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:28:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2081 transitions. [2021-04-28 21:28:57,023 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7823308270676692 [2021-04-28 21:28:57,024 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2081 transitions. [2021-04-28 21:28:57,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2081 transitions. [2021-04-28 21:28:57,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:28:57,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2081 transitions. [2021-04-28 21:28:57,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 297.2857142857143) internal successors, (2081), 7 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:57,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:57,038 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:57,038 INFO L185 Difference]: Start difference. First operand has 66 places, 71 transitions, 403 flow. Second operand 7 states and 2081 transitions. [2021-04-28 21:28:57,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 108 transitions, 781 flow [2021-04-28 21:28:57,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 108 transitions, 768 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:28:57,087 INFO L241 Difference]: Finished difference. Result has 74 places, 96 transitions, 764 flow [2021-04-28 21:28:57,087 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=764, PETRI_PLACES=74, PETRI_TRANSITIONS=96} [2021-04-28 21:28:57,087 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -79 predicate places. [2021-04-28 21:28:57,087 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:28:57,088 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 96 transitions, 764 flow [2021-04-28 21:28:57,088 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 96 transitions, 764 flow [2021-04-28 21:28:57,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 96 transitions, 764 flow [2021-04-28 21:28:58,814 INFO L129 PetriNetUnfolder]: 9823/15320 cut-off events. [2021-04-28 21:28:58,814 INFO L130 PetriNetUnfolder]: For 35424/56320 co-relation queries the response was YES. [2021-04-28 21:28:58,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75667 conditions, 15320 events. 9823/15320 cut-off events. For 35424/56320 co-relation queries the response was YES. Maximal size of possible extension queue 2358. Compared 130919 event pairs, 2198 based on Foata normal form. 14/6473 useless extension candidates. Maximal degree in co-relation 75642. Up to 13273 conditions per place. [2021-04-28 21:28:59,170 INFO L146 LiptonReduction]: Number of co-enabled transitions 2272 [2021-04-28 21:28:59,201 INFO L158 LiptonReduction]: Checked pairs total: 1655 [2021-04-28 21:28:59,201 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:28:59,202 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2115 [2021-04-28 21:28:59,203 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 96 transitions, 764 flow [2021-04-28 21:28:59,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 286.8) internal successors, (1434), 5 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:59,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:28:59,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:28:59,205 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:28:59,205 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:28:59,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:28:59,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1170998508, now seen corresponding path program 1 times [2021-04-28 21:28:59,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:28:59,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717581991] [2021-04-28 21:28:59,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:28:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:28:59,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:59,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:28:59,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:59,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:28:59,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:59,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:28:59,352 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:28:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:28:59,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:28:59,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:28:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:28:59,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717581991] [2021-04-28 21:28:59,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:28:59,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:28:59,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917758051] [2021-04-28 21:28:59,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:28:59,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:28:59,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:28:59,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:28:59,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:28:59,396 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 96 transitions, 764 flow. Second operand has 6 states, 6 states have (on average 286.8333333333333) internal successors, (1721), 6 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:28:59,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:28:59,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:28:59,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:29:01,580 INFO L129 PetriNetUnfolder]: 7649/12813 cut-off events. [2021-04-28 21:29:01,580 INFO L130 PetriNetUnfolder]: For 34714/176051 co-relation queries the response was YES. [2021-04-28 21:29:01,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74973 conditions, 12813 events. 7649/12813 cut-off events. For 34714/176051 co-relation queries the response was YES. Maximal size of possible extension queue 2511. Compared 113143 event pairs, 162 based on Foata normal form. 1193/6259 useless extension candidates. Maximal degree in co-relation 74946. Up to 11534 conditions per place. [2021-04-28 21:29:01,775 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 15 selfloop transitions, 76 changer transitions 12/132 dead transitions. [2021-04-28 21:29:01,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 132 transitions, 1319 flow [2021-04-28 21:29:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:29:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:29:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2678 transitions. [2021-04-28 21:29:01,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7830409356725146 [2021-04-28 21:29:01,789 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2678 transitions. [2021-04-28 21:29:01,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2678 transitions. [2021-04-28 21:29:01,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:29:01,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2678 transitions. [2021-04-28 21:29:01,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 297.55555555555554) internal successors, (2678), 9 states have internal predecessors, (2678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:01,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 380.0) internal successors, (3800), 10 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:01,820 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 380.0) internal successors, (3800), 10 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:01,820 INFO L185 Difference]: Start difference. First operand has 74 places, 96 transitions, 764 flow. Second operand 9 states and 2678 transitions. [2021-04-28 21:29:01,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 132 transitions, 1319 flow [2021-04-28 21:29:02,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 132 transitions, 1181 flow, removed 49 selfloop flow, removed 3 redundant places. [2021-04-28 21:29:02,034 INFO L241 Difference]: Finished difference. Result has 82 places, 120 transitions, 1103 flow [2021-04-28 21:29:02,034 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1103, PETRI_PLACES=82, PETRI_TRANSITIONS=120} [2021-04-28 21:29:02,034 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -71 predicate places. [2021-04-28 21:29:02,035 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:29:02,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 120 transitions, 1103 flow [2021-04-28 21:29:02,035 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 120 transitions, 1103 flow [2021-04-28 21:29:02,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 120 transitions, 1103 flow [2021-04-28 21:29:03,413 INFO L129 PetriNetUnfolder]: 6209/10914 cut-off events. [2021-04-28 21:29:03,413 INFO L130 PetriNetUnfolder]: For 43703/52129 co-relation queries the response was YES. [2021-04-28 21:29:03,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66732 conditions, 10914 events. 6209/10914 cut-off events. For 43703/52129 co-relation queries the response was YES. Maximal size of possible extension queue 1958. Compared 102646 event pairs, 405 based on Foata normal form. 9/4470 useless extension candidates. Maximal degree in co-relation 66704. Up to 8965 conditions per place. [2021-04-28 21:29:03,652 INFO L146 LiptonReduction]: Number of co-enabled transitions 2514 [2021-04-28 21:29:03,670 INFO L158 LiptonReduction]: Checked pairs total: 2370 [2021-04-28 21:29:03,671 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:29:03,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1637 [2021-04-28 21:29:03,672 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 120 transitions, 1103 flow [2021-04-28 21:29:03,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 286.8333333333333) internal successors, (1721), 6 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:03,674 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:29:03,674 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:29:03,674 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:29:03,674 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:29:03,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:29:03,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1951809419, now seen corresponding path program 1 times [2021-04-28 21:29:03,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:29:03,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104494952] [2021-04-28 21:29:03,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:29:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:29:03,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:03,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:29:03,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:03,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:29:03,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:03,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:29:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:29:03,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104494952] [2021-04-28 21:29:03,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:29:03,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:29:03,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563840339] [2021-04-28 21:29:03,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:29:03,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:29:03,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:29:03,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:29:03,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 380 [2021-04-28 21:29:03,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 120 transitions, 1103 flow. Second operand has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:03,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:29:03,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 380 [2021-04-28 21:29:03,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:29:06,854 INFO L129 PetriNetUnfolder]: 12324/21428 cut-off events. [2021-04-28 21:29:06,854 INFO L130 PetriNetUnfolder]: For 103690/216787 co-relation queries the response was YES. [2021-04-28 21:29:06,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130763 conditions, 21428 events. 12324/21428 cut-off events. For 103690/216787 co-relation queries the response was YES. Maximal size of possible extension queue 4575. Compared 211439 event pairs, 324 based on Foata normal form. 199/8596 useless extension candidates. Maximal degree in co-relation 130733. Up to 17623 conditions per place. [2021-04-28 21:29:07,071 INFO L132 encePairwiseOnDemand]: 377/380 looper letters, 4 selfloop transitions, 2 changer transitions 0/122 dead transitions. [2021-04-28 21:29:07,071 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 122 transitions, 1127 flow [2021-04-28 21:29:07,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:29:07,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:29:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1043 transitions. [2021-04-28 21:29:07,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6861842105263158 [2021-04-28 21:29:07,079 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1043 transitions. [2021-04-28 21:29:07,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1043 transitions. [2021-04-28 21:29:07,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:29:07,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1043 transitions. [2021-04-28 21:29:07,083 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:07,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:07,086 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:07,087 INFO L185 Difference]: Start difference. First operand has 82 places, 120 transitions, 1103 flow. Second operand 4 states and 1043 transitions. [2021-04-28 21:29:07,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 122 transitions, 1127 flow [2021-04-28 21:29:16,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 122 transitions, 854 flow, removed 98 selfloop flow, removed 4 redundant places. [2021-04-28 21:29:16,469 INFO L241 Difference]: Finished difference. Result has 83 places, 121 transitions, 843 flow [2021-04-28 21:29:16,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=843, PETRI_PLACES=83, PETRI_TRANSITIONS=121} [2021-04-28 21:29:16,470 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -70 predicate places. [2021-04-28 21:29:16,470 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:29:16,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 121 transitions, 843 flow [2021-04-28 21:29:16,471 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 121 transitions, 843 flow [2021-04-28 21:29:16,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 121 transitions, 843 flow [2021-04-28 21:29:18,602 INFO L129 PetriNetUnfolder]: 12297/21284 cut-off events. [2021-04-28 21:29:18,602 INFO L130 PetriNetUnfolder]: For 59066/59942 co-relation queries the response was YES. [2021-04-28 21:29:18,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88490 conditions, 21284 events. 12297/21284 cut-off events. For 59066/59942 co-relation queries the response was YES. Maximal size of possible extension queue 3870. Compared 215097 event pairs, 783 based on Foata normal form. 13/8383 useless extension candidates. Maximal degree in co-relation 88460. Up to 9181 conditions per place. [2021-04-28 21:29:18,908 INFO L146 LiptonReduction]: Number of co-enabled transitions 2600 [2021-04-28 21:29:18,929 INFO L158 LiptonReduction]: Checked pairs total: 448 [2021-04-28 21:29:18,930 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:29:18,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2460 [2021-04-28 21:29:18,931 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 121 transitions, 843 flow [2021-04-28 21:29:18,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:18,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:29:18,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:29:18,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 21:29:18,932 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:29:18,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:29:18,933 INFO L82 PathProgramCache]: Analyzing trace with hash -392791724, now seen corresponding path program 1 times [2021-04-28 21:29:18,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:29:18,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336739551] [2021-04-28 21:29:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:29:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:29:18,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:18,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:29:19,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:19,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:29:19,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:19,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:29:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:29:19,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336739551] [2021-04-28 21:29:19,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:29:19,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:29:19,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881266083] [2021-04-28 21:29:19,028 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:29:19,028 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:29:19,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:29:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:29:19,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 262 out of 380 [2021-04-28 21:29:19,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 121 transitions, 843 flow. Second operand has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:19,230 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:29:19,230 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 262 of 380 [2021-04-28 21:29:19,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:29:23,964 INFO L129 PetriNetUnfolder]: 23592/40344 cut-off events. [2021-04-28 21:29:23,964 INFO L130 PetriNetUnfolder]: For 113396/127590 co-relation queries the response was YES. [2021-04-28 21:29:24,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 166802 conditions, 40344 events. 23592/40344 cut-off events. For 113396/127590 co-relation queries the response was YES. Maximal size of possible extension queue 8317. Compared 425549 event pairs, 1026 based on Foata normal form. 227/15963 useless extension candidates. Maximal degree in co-relation 166770. Up to 17254 conditions per place. [2021-04-28 21:29:24,278 INFO L132 encePairwiseOnDemand]: 377/380 looper letters, 4 selfloop transitions, 2 changer transitions 1/123 dead transitions. [2021-04-28 21:29:24,278 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 123 transitions, 869 flow [2021-04-28 21:29:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:29:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:29:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1055 transitions. [2021-04-28 21:29:24,286 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.694078947368421 [2021-04-28 21:29:24,286 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1055 transitions. [2021-04-28 21:29:24,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1055 transitions. [2021-04-28 21:29:24,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:29:24,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1055 transitions. [2021-04-28 21:29:24,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 263.75) internal successors, (1055), 4 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:24,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:24,295 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:24,295 INFO L185 Difference]: Start difference. First operand has 83 places, 121 transitions, 843 flow. Second operand 4 states and 1055 transitions. [2021-04-28 21:29:24,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 123 transitions, 869 flow [2021-04-28 21:29:40,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 123 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:29:40,477 INFO L241 Difference]: Finished difference. Result has 87 places, 121 transitions, 836 flow [2021-04-28 21:29:40,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=842, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=836, PETRI_PLACES=87, PETRI_TRANSITIONS=121} [2021-04-28 21:29:40,477 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -66 predicate places. [2021-04-28 21:29:40,477 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:29:40,478 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 121 transitions, 836 flow [2021-04-28 21:29:40,478 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 121 transitions, 836 flow [2021-04-28 21:29:40,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 121 transitions, 836 flow [2021-04-28 21:29:44,879 INFO L129 PetriNetUnfolder]: 23457/40023 cut-off events. [2021-04-28 21:29:44,879 INFO L130 PetriNetUnfolder]: For 106416/111112 co-relation queries the response was YES. [2021-04-28 21:29:45,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165939 conditions, 40023 events. 23457/40023 cut-off events. For 106416/111112 co-relation queries the response was YES. Maximal size of possible extension queue 7571. Compared 430493 event pairs, 1539 based on Foata normal form. 13/15398 useless extension candidates. Maximal degree in co-relation 165907. Up to 17335 conditions per place. [2021-04-28 21:29:45,553 INFO L146 LiptonReduction]: Number of co-enabled transitions 2666 [2021-04-28 21:29:46,539 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 21:29:46,539 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:29:46,539 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6062 [2021-04-28 21:29:46,541 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 121 transitions, 836 flow [2021-04-28 21:29:46,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 263.0) internal successors, (1052), 4 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:46,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:29:46,542 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:29:46,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 21:29:46,542 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:29:46,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:29:46,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1750887785, now seen corresponding path program 1 times [2021-04-28 21:29:46,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:29:46,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640722596] [2021-04-28 21:29:46,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:29:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:29:46,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:46,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:29:46,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:46,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:29:46,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:46,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:29:46,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:46,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:29:46,709 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:29:46,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:29:46,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:29:46,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:29:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:29:46,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640722596] [2021-04-28 21:29:46,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:29:46,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:29:46,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530254694] [2021-04-28 21:29:46,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:29:46,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:29:46,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:29:46,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:29:46,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:29:46,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 121 transitions, 836 flow. Second operand has 7 states, 7 states have (on average 286.85714285714283) internal successors, (2008), 7 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:46,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:29:46,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:29:46,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:29:52,044 INFO L129 PetriNetUnfolder]: 19785/34755 cut-off events. [2021-04-28 21:29:52,044 INFO L130 PetriNetUnfolder]: For 119078/345531 co-relation queries the response was YES. [2021-04-28 21:29:52,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164625 conditions, 34755 events. 19785/34755 cut-off events. For 119078/345531 co-relation queries the response was YES. Maximal size of possible extension queue 8259. Compared 372823 event pairs, 0 based on Foata normal form. 3031/15004 useless extension candidates. Maximal degree in co-relation 164591. Up to 16470 conditions per place. [2021-04-28 21:29:52,274 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 2 selfloop transitions, 80 changer transitions 30/134 dead transitions. [2021-04-28 21:29:52,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 134 transitions, 1194 flow [2021-04-28 21:29:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 21:29:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 21:29:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3251 transitions. [2021-04-28 21:29:52,287 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777511961722487 [2021-04-28 21:29:52,287 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3251 transitions. [2021-04-28 21:29:52,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3251 transitions. [2021-04-28 21:29:52,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:29:52,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3251 transitions. [2021-04-28 21:29:52,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 295.54545454545456) internal successors, (3251), 11 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:52,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 380.0) internal successors, (4560), 12 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:52,308 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 380.0) internal successors, (4560), 12 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:29:52,309 INFO L185 Difference]: Start difference. First operand has 87 places, 121 transitions, 836 flow. Second operand 11 states and 3251 transitions. [2021-04-28 21:29:52,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 134 transitions, 1194 flow [2021-04-28 21:30:06,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 134 transitions, 1176 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 21:30:06,166 INFO L241 Difference]: Finished difference. Result has 97 places, 104 transitions, 902 flow [2021-04-28 21:30:06,166 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=902, PETRI_PLACES=97, PETRI_TRANSITIONS=104} [2021-04-28 21:30:06,167 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -56 predicate places. [2021-04-28 21:30:06,167 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:30:06,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 104 transitions, 902 flow [2021-04-28 21:30:06,167 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 104 transitions, 902 flow [2021-04-28 21:30:06,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 104 transitions, 902 flow [2021-04-28 21:30:06,659 INFO L129 PetriNetUnfolder]: 3261/6620 cut-off events. [2021-04-28 21:30:06,660 INFO L130 PetriNetUnfolder]: For 19715/29358 co-relation queries the response was YES. [2021-04-28 21:30:06,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31912 conditions, 6620 events. 3261/6620 cut-off events. For 19715/29358 co-relation queries the response was YES. Maximal size of possible extension queue 1800. Compared 67752 event pairs, 0 based on Foata normal form. 4/2507 useless extension candidates. Maximal degree in co-relation 31878. Up to 2700 conditions per place. [2021-04-28 21:30:06,739 INFO L146 LiptonReduction]: Number of co-enabled transitions 1368 [2021-04-28 21:30:08,898 INFO L158 LiptonReduction]: Checked pairs total: 190 [2021-04-28 21:30:08,899 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 21:30:08,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2732 [2021-04-28 21:30:08,903 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 104 transitions, 908 flow [2021-04-28 21:30:08,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 286.85714285714283) internal successors, (2008), 7 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:30:08,904 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:30:08,904 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:30:08,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 21:30:08,904 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:30:08,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:30:08,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1400271571, now seen corresponding path program 1 times [2021-04-28 21:30:08,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:30:08,905 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979262067] [2021-04-28 21:30:08,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:30:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:30:09,000 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:30:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:30:09,062 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:30:09,132 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 21:30:09,133 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 21:30:09,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 21:30:09,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:30:09 BasicIcfg [2021-04-28 21:30:09,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:30:09,299 INFO L168 Benchmark]: Toolchain (without parser) took 251670.94 ms. Allocated memory was 302.0 MB in the beginning and 11.2 GB in the end (delta: 10.9 GB). Free memory was 276.4 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.0 GB. [2021-04-28 21:30:09,299 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:30:09,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 820.20 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 279.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2021-04-28 21:30:09,299 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 302.0 MB. Free memory was 279.5 MB in the beginning and 276.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:30:09,300 INFO L168 Benchmark]: Boogie Preprocessor took 43.94 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 274.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:30:09,300 INFO L168 Benchmark]: RCFGBuilder took 2284.15 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.4 MB in the beginning and 296.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. [2021-04-28 21:30:09,300 INFO L168 Benchmark]: TraceAbstraction took 248379.70 ms. Allocated memory was 362.8 MB in the beginning and 11.2 GB in the end (delta: 10.9 GB). Free memory was 296.4 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.0 GB. [2021-04-28 21:30:09,302 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 820.20 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 279.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 302.0 MB. Free memory was 279.5 MB in the beginning and 276.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.94 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 274.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2284.15 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.4 MB in the beginning and 296.4 MB in the end (delta: -22.0 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 248379.70 ms. Allocated memory was 362.8 MB in the beginning and 11.2 GB in the end (delta: 10.9 GB). Free memory was 296.4 MB in the beginning and 9.0 GB in the end (delta: -8.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160802.4ms, 124 PlacesBefore, 153 PlacesAfterwards, 113 TransitionsBefore, 142 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 9 FixpointIterations, 170 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 262 TotalNumberOfCompositions, 24899 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5473, positive: 5125, positive conditional: 5125, positive unconditional: 0, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2821, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2821, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2821, positive: 2718, positive conditional: 0, positive unconditional: 2718, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1754, positive: 176, positive conditional: 0, positive unconditional: 176, negative: 1578, negative conditional: 0, negative unconditional: 1578, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5473, positive: 2368, positive conditional: 2368, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 2821, unknown conditional: 2821, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2821, Positive cache size: 2757, Positive conditional cache size: 2757, Positive unconditional cache size: 0, Negative cache size: 64, Negative conditional cache size: 64, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.4ms, 148 PlacesBefore, 60 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 104, positive conditional: 24, positive unconditional: 80, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 104, positive conditional: 24, positive unconditional: 80, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 401, negative conditional: 198, negative unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 267, positive conditional: 267, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 116, unknown conditional: 116, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2937, Positive cache size: 2861, Positive conditional cache size: 2861, 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: 808.5ms, 62 PlacesBefore, 52 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 922 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1718 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 477, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 60, positive conditional: 11, positive unconditional: 49, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 68, positive: 60, positive conditional: 11, positive unconditional: 49, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 68, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 378, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 477, positive: 354, positive conditional: 354, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 68, unknown conditional: 68, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3005, Positive cache size: 2921, Positive conditional cache size: 2921, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 413.8ms, 53 PlacesBefore, 49 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 709 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 156, positive: 127, positive conditional: 127, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 396, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 396, negative conditional: 0, negative unconditional: 396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 156, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3040, Positive cache size: 2948, Positive conditional cache size: 2948, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.5ms, 51 PlacesBefore, 51 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 465 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 145, positive: 128, positive conditional: 128, 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: 9, positive: 9, positive conditional: 2, positive unconditional: 7, 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: 9, positive: 9, positive conditional: 2, positive unconditional: 7, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 145, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3049, Positive cache size: 2957, Positive conditional cache size: 2957, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.0ms, 56 PlacesBefore, 56 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 506 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 139, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 17, positive conditional: 10, positive unconditional: 7, 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: 18, positive: 17, positive conditional: 10, positive unconditional: 7, 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: 18, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 139, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3067, Positive cache size: 2974, Positive conditional cache size: 2974, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.4ms, 61 PlacesBefore, 61 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 1018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 557 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 129, positive: 112, positive conditional: 112, 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: 4, positive: 4, positive conditional: 3, 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: 4, positive: 4, positive conditional: 3, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 129, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3071, Positive cache size: 2978, Positive conditional cache size: 2978, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2550.1ms, 66 PlacesBefore, 66 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 1606 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 895 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 172, positive: 155, positive conditional: 155, 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: 47, positive: 45, positive conditional: 26, positive unconditional: 19, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 47, positive: 45, positive conditional: 26, positive unconditional: 19, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 47, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 84, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 172, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 47, unknown conditional: 47, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3118, Positive cache size: 3023, Positive conditional cache size: 3023, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2113.5ms, 74 PlacesBefore, 74 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 2272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1655 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 282, positive: 259, positive conditional: 259, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, positive: 58, positive conditional: 43, positive unconditional: 15, 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: 58, positive: 58, positive conditional: 43, positive unconditional: 15, 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: 58, positive: 58, positive conditional: 0, positive unconditional: 58, 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: 282, positive: 201, positive conditional: 201, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3176, Positive cache size: 3081, Positive conditional cache size: 3081, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1635.6ms, 82 PlacesBefore, 82 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 2514 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2370 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 382, positive conditional: 382, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, positive: 68, positive conditional: 63, positive unconditional: 5, 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: 68, positive: 68, positive conditional: 63, positive unconditional: 5, 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: 68, positive: 68, positive conditional: 0, positive unconditional: 68, 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: 411, positive: 314, positive conditional: 314, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 68, unknown conditional: 68, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3244, Positive cache size: 3149, Positive conditional cache size: 3149, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2459.1ms, 83 PlacesBefore, 83 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 2600 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 448 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 78, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 19, 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: 20, positive: 20, positive conditional: 19, 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: 20, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 78, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3264, Positive cache size: 3169, Positive conditional cache size: 3169, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6061.4ms, 87 PlacesBefore, 87 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 2666 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): 3264, Positive cache size: 3169, Positive conditional cache size: 3169, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2731.7ms, 97 PlacesBefore, 90 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 1368 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 190 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 190, positive: 190, positive conditional: 190, 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: 128, positive: 128, positive conditional: 104, positive unconditional: 24, 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: 128, positive: 128, positive conditional: 104, positive unconditional: 24, 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: 128, positive: 128, positive conditional: 0, positive unconditional: 128, 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: 190, positive: 62, positive conditional: 62, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 128, unknown conditional: 128, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3392, Positive cache size: 3297, Positive conditional cache size: 3297, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1221; [L847] FCALL, FORK 0 pthread_create(&t1221, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1222; [L849] FCALL, FORK 0 pthread_create(&t1222, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1223; [L851] FCALL, FORK 0 pthread_create(&t1223, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1224; [L853] FCALL, FORK 0 pthread_create(&t1224, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 [L815] 4 a = 1 [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 41.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 248072.1ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 63700.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 160932.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 45 SDtfs, 52 SDslu, 24 SDs, 0 SdLazy, 595 SolverSat, 255 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1488.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2318.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1103occurred in iteration=9, InterpolantAutomatonStates: 63, 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: 63.3ms SsaConstructionTime, 831.7ms SatisfiabilityAnalysisTime, 2648.7ms InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 1505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...